1241 lines
		
	
	
		
			44 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			1241 lines
		
	
	
		
			44 KiB
		
	
	
	
		
			LLVM
		
	
	
	
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -instcombine -S | FileCheck %s
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target datalayout = "e-p:64:64-p1:16:16-p2:32:32:32-p3:64:64:64"
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%intstruct = type { i32 }
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%pair = type { i32, i32 }
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%struct.B = type { double }
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%struct.A = type { %struct.B, i32, i32 }
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%struct.C = type { [7 x i8] }
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@Global = external global [10 x i8]
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@Global_as1 = external addrspace(1) global [10 x i8]
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; Test noop elimination
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define i32* @test1(i32* %I) {
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; CHECK-LABEL: @test1(
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; CHECK-NEXT:    ret i32* [[I:%.*]]
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;
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  %A = getelementptr i32, i32* %I, i64 0
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  ret i32* %A
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}
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define i32 addrspace(1)* @test1_as1(i32 addrspace(1)* %I) {
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; CHECK-LABEL: @test1_as1(
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; CHECK-NEXT:    ret i32 addrspace(1)* [[I:%.*]]
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;
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  %A = getelementptr i32, i32 addrspace(1)* %I, i64 0
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  ret i32 addrspace(1)* %A
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}
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; Test noop elimination
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define i32* @test2(i32* %I) {
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; CHECK-LABEL: @test2(
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; CHECK-NEXT:    ret i32* [[I:%.*]]
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;
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  %A = getelementptr i32, i32* %I
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  ret i32* %A
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}
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; Test that two array indexing geps fold
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define i32* @test3(i32* %I) {
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; CHECK-LABEL: @test3(
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; CHECK-NEXT:    [[B:%.*]] = getelementptr i32, i32* [[I:%.*]], i64 21
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; CHECK-NEXT:    ret i32* [[B]]
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;
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  %A = getelementptr i32, i32* %I, i64 17
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  %B = getelementptr i32, i32* %A, i64 4
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  ret i32* %B
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}
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; Test that two getelementptr insts fold
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define i32* @test4({ i32 }* %I) {
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; CHECK-LABEL: @test4(
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; CHECK-NEXT:    [[B:%.*]] = getelementptr { i32 }, { i32 }* [[I:%.*]], i64 1, i32 0
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; CHECK-NEXT:    ret i32* [[B]]
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;
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  %A = getelementptr { i32 }, { i32 }* %I, i64 1
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  %B = getelementptr { i32 }, { i32 }* %A, i64 0, i32 0
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  ret i32* %B
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}
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define void @test5(i8 %B) {
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        ; This should be turned into a constexpr instead of being an instruction
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; CHECK-LABEL: @test5(
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; CHECK-NEXT:    store i8 [[B:%.*]], i8* getelementptr inbounds ([10 x i8], [10 x i8]* @Global, i64 0, i64 4), align 1
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; CHECK-NEXT:    ret void
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;
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  %A = getelementptr [10 x i8], [10 x i8]* @Global, i64 0, i64 4
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  store i8 %B, i8* %A
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  ret void
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}
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define void @test5_as1(i8 %B) {
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        ; This should be turned into a constexpr instead of being an instruction
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; CHECK-LABEL: @test5_as1(
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; CHECK-NEXT:    store i8 [[B:%.*]], i8 addrspace(1)* getelementptr inbounds ([10 x i8], [10 x i8] addrspace(1)* @Global_as1, i16 0, i16 4), align 1
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; CHECK-NEXT:    ret void
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;
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  %A = getelementptr [10 x i8], [10 x i8] addrspace(1)* @Global_as1, i16 0, i16 4
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  store i8 %B, i8 addrspace(1)* %A
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  ret void
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}
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%as1_ptr_struct = type { i32 addrspace(1)* }
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%as2_ptr_struct = type { i32 addrspace(2)* }
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@global_as2 = addrspace(2) global i32 zeroinitializer
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@global_as1_as2_ptr = addrspace(1) global %as2_ptr_struct { i32 addrspace(2)* @global_as2 }
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; This should be turned into a constexpr instead of being an instruction
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define void @test_evaluate_gep_nested_as_ptrs(i32 addrspace(2)* %B) {
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; CHECK-LABEL: @test_evaluate_gep_nested_as_ptrs(
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; CHECK-NEXT:    store i32 addrspace(2)* [[B:%.*]], i32 addrspace(2)* addrspace(1)* getelementptr inbounds (%as2_ptr_struct, [[AS2_PTR_STRUCT:%.*]] addrspace(1)* @global_as1_as2_ptr, i16 0, i32 0), align 8
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; CHECK-NEXT:    ret void
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;
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  %A = getelementptr %as2_ptr_struct, %as2_ptr_struct addrspace(1)* @global_as1_as2_ptr, i16 0, i32 0
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  store i32 addrspace(2)* %B, i32 addrspace(2)* addrspace(1)* %A
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  ret void
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}
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@arst = addrspace(1) global [4 x i8 addrspace(2)*] zeroinitializer
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define void @test_evaluate_gep_as_ptrs_array(i8 addrspace(2)* %B) {
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; CHECK-LABEL: @test_evaluate_gep_as_ptrs_array(
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; CHECK-NEXT:    store i8 addrspace(2)* [[B:%.*]], i8 addrspace(2)* addrspace(1)* getelementptr inbounds ([4 x i8 addrspace(2)*], [4 x i8 addrspace(2)*] addrspace(1)* @arst, i16 0, i16 2), align 4
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; CHECK-NEXT:    ret void
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;
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  %A = getelementptr [4 x i8 addrspace(2)*], [4 x i8 addrspace(2)*] addrspace(1)* @arst, i16 0, i16 2
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  store i8 addrspace(2)* %B, i8 addrspace(2)* addrspace(1)* %A
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  ret void
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}
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define i32* @test7(i32* %I, i64 %C, i64 %D) {
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; CHECK-LABEL: @test7(
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; CHECK-NEXT:    [[A:%.*]] = getelementptr i32, i32* [[I:%.*]], i64 [[C:%.*]]
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; CHECK-NEXT:    [[B:%.*]] = getelementptr i32, i32* [[A]], i64 [[D:%.*]]
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; CHECK-NEXT:    ret i32* [[B]]
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;
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  %A = getelementptr i32, i32* %I, i64 %C
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  %B = getelementptr i32, i32* %A, i64 %D
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  ret i32* %B
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}
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define i8* @test8([10 x i32]* %X) {
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        ;; Fold into the cast.
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; CHECK-LABEL: @test8(
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; CHECK-NEXT:    [[B:%.*]] = bitcast [10 x i32]* [[X:%.*]] to i8*
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; CHECK-NEXT:    ret i8* [[B]]
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;
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  %A = getelementptr [10 x i32], [10 x i32]* %X, i64 0, i64 0
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  %B = bitcast i32* %A to i8*
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  ret i8* %B
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}
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define i32 @test9() {
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; CHECK-LABEL: @test9(
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; CHECK-NEXT:    ret i32 8
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;
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  %A = getelementptr { i32, double }, { i32, double }* null, i32 0, i32 1
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  %B = ptrtoint double* %A to i32
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  ret i32 %B
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}
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define i1 @test10({ i32, i32 }* %x, { i32, i32 }* %y) {
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; CHECK-LABEL: @test10(
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; CHECK-NEXT:    [[TMP_4:%.*]] = icmp eq { i32, i32 }* [[X:%.*]], [[Y:%.*]]
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; CHECK-NEXT:    ret i1 [[TMP_4]]
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;
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  %tmp.1 = getelementptr { i32, i32 }, { i32, i32 }* %x, i32 0, i32 1
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  %tmp.3 = getelementptr { i32, i32 }, { i32, i32 }* %y, i32 0, i32 1
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  ;; seteq x, y
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  %tmp.4 = icmp eq i32* %tmp.1, %tmp.3
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  ret i1 %tmp.4
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}
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define i1 @test11({ i32, i32 }* %X) {
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; CHECK-LABEL: @test11(
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; CHECK-NEXT:    [[Q:%.*]] = icmp eq { i32, i32 }* [[X:%.*]], null
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; CHECK-NEXT:    ret i1 [[Q]]
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;
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  %P = getelementptr { i32, i32 }, { i32, i32 }* %X, i32 0, i32 0
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  %Q = icmp eq i32* %P, null
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  ret i1 %Q
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}
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; PR4748
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define i32 @test12(%struct.A* %a) {
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; CHECK-LABEL: @test12(
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; CHECK-NEXT:  entry:
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; CHECK-NEXT:    [[G3:%.*]] = getelementptr [[STRUCT_A:%.*]], %struct.A* [[A:%.*]], i64 0, i32 1
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; CHECK-NEXT:    store i32 10, i32* [[G3]], align 4
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; CHECK-NEXT:    ret i32 10
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;
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entry:
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  %g3 = getelementptr %struct.A, %struct.A* %a, i32 0, i32 1
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  store i32 10, i32* %g3, align 4
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  %g4 = getelementptr %struct.A, %struct.A* %a, i32 0, i32 0
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  %new_a = bitcast %struct.B* %g4 to %struct.A*
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  %g5 = getelementptr %struct.A, %struct.A* %new_a, i32 0, i32 1
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  %a_a = load i32, i32* %g5, align 4
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  ret i32 %a_a
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}
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; PR2235
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%S = type { i32, [ 100 x i32] }
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define i1 @test13(i64 %X, %S* %P) {
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; CHECK-LABEL: @test13(
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; CHECK-NEXT:    [[C:%.*]] = icmp eq i64 [[X:%.*]], -1
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; CHECK-NEXT:    ret i1 [[C]]
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;
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  %A = getelementptr inbounds %S, %S* %P, i32 0, i32 1, i64 %X
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  %B = getelementptr inbounds %S, %S* %P, i32 0, i32 0
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  %C = icmp eq i32* %A, %B
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  ret i1 %C
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}
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define <2 x i1> @test13_vector(<2 x i64> %X, <2 x %S*> %P) nounwind {
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; CHECK-LABEL: @test13_vector(
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; CHECK-NEXT:    [[C:%.*]] = icmp eq <2 x i64> [[X:%.*]], <i64 -1, i64 -1>
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; CHECK-NEXT:    ret <2 x i1> [[C]]
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;
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  %A = getelementptr inbounds %S, <2 x %S*> %P, <2 x i64> zeroinitializer, <2 x i32> <i32 1, i32 1>, <2 x i64> %X
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  %B = getelementptr inbounds %S, <2 x %S*> %P, <2 x i64> <i64 0, i64 0>, <2 x i32> <i32 0, i32 0>
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  %C = icmp eq <2 x i32*> %A, %B
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  ret <2 x i1> %C
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}
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define <2 x i1> @test13_vector2(i64 %X, <2 x %S*> %P) nounwind {
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; CHECK-LABEL: @test13_vector2(
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; CHECK-NEXT:    [[DOTSPLATINSERT:%.*]] = insertelement <2 x i64> undef, i64 [[X:%.*]], i32 0
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; CHECK-NEXT:    [[TMP1:%.*]] = shl <2 x i64> [[DOTSPLATINSERT]], <i64 2, i64 undef>
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; CHECK-NEXT:    [[TMP2:%.*]] = icmp eq <2 x i64> [[TMP1]], <i64 -4, i64 undef>
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; CHECK-NEXT:    [[C:%.*]] = shufflevector <2 x i1> [[TMP2]], <2 x i1> undef, <2 x i32> zeroinitializer
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; CHECK-NEXT:    ret <2 x i1> [[C]]
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;
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  %A = getelementptr inbounds %S, <2 x %S*> %P, <2 x i64> zeroinitializer, <2 x i32> <i32 1, i32 1>, i64 %X
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  %B = getelementptr inbounds %S, <2 x %S*> %P, <2 x i64> <i64 0, i64 0>, <2 x i32> <i32 0, i32 0>
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  %C = icmp eq <2 x i32*> %A, %B
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						|
  ret <2 x i1> %C
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}
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; This is a test of icmp + shl nuw in disguise - 4611... is 0x3fff...
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define <2 x i1> @test13_vector3(i64 %X, <2 x %S*> %P) nounwind {
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; CHECK-LABEL: @test13_vector3(
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; CHECK-NEXT:    [[DOTSPLATINSERT:%.*]] = insertelement <2 x i64> undef, i64 [[X:%.*]], i32 0
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; CHECK-NEXT:    [[TMP1:%.*]] = shl <2 x i64> [[DOTSPLATINSERT]], <i64 2, i64 undef>
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; CHECK-NEXT:    [[TMP2:%.*]] = icmp eq <2 x i64> [[TMP1]], <i64 4, i64 undef>
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; CHECK-NEXT:    [[C:%.*]] = shufflevector <2 x i1> [[TMP2]], <2 x i1> undef, <2 x i32> zeroinitializer
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; CHECK-NEXT:    ret <2 x i1> [[C]]
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;
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						|
  %A = getelementptr inbounds %S, <2 x %S*> %P, <2 x i64> zeroinitializer, <2 x i32> <i32 1, i32 1>, i64 %X
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  %B = getelementptr inbounds %S, <2 x %S*> %P, <2 x i64> <i64 0, i64 0>, <2 x i32> <i32 1, i32 1>, i64 1
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  %C = icmp eq <2 x i32*> %A, %B
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  ret <2 x i1> %C
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}
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define i1 @test13_as1(i16 %X, %S addrspace(1)* %P) {
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; CHECK-LABEL: @test13_as1(
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; CHECK-NEXT:    [[C:%.*]] = icmp eq i16 [[X:%.*]], -1
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; CHECK-NEXT:    ret i1 [[C]]
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;
 | 
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  %A = getelementptr inbounds %S, %S addrspace(1)* %P, i16 0, i32 1, i16 %X
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						|
  %B = getelementptr inbounds %S, %S addrspace(1)* %P, i16 0, i32 0
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  %C = icmp eq i32 addrspace(1)* %A, %B
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  ret i1 %C
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						|
}
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define <2 x i1> @test13_vector_as1(<2 x i16> %X, <2 x %S addrspace(1)*> %P) {
 | 
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; CHECK-LABEL: @test13_vector_as1(
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; CHECK-NEXT:    [[C:%.*]] = icmp eq <2 x i16> [[X:%.*]], <i16 -1, i16 -1>
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; CHECK-NEXT:    ret <2 x i1> [[C]]
 | 
						|
;
 | 
						|
  %A = getelementptr inbounds %S, <2 x %S addrspace(1)*> %P, <2 x i16> <i16 0, i16 0>, <2 x i32> <i32 1, i32 1>, <2 x i16> %X
 | 
						|
  %B = getelementptr inbounds %S, <2 x %S addrspace(1)*> %P, <2 x i16> <i16 0, i16 0>, <2 x i32> <i32 0, i32 0>
 | 
						|
  %C = icmp eq <2 x i32 addrspace(1)*> %A, %B
 | 
						|
  ret <2 x i1> %C
 | 
						|
}
 | 
						|
 | 
						|
define i1 @test13_i32(i32 %X, %S* %P) {
 | 
						|
; CHECK-LABEL: @test13_i32(
 | 
						|
; CHECK-NEXT:    [[C:%.*]] = icmp eq i32 [[X:%.*]], -1
 | 
						|
; CHECK-NEXT:    ret i1 [[C]]
 | 
						|
;
 | 
						|
  %A = getelementptr inbounds %S, %S* %P, i32 0, i32 1, i32 %X
 | 
						|
  %B = getelementptr inbounds %S, %S* %P, i32 0, i32 0
 | 
						|
  %C = icmp eq i32* %A, %B
 | 
						|
  ret i1 %C
 | 
						|
}
 | 
						|
 | 
						|
define i1 @test13_i16(i16 %X, %S* %P) {
 | 
						|
; CHECK-LABEL: @test13_i16(
 | 
						|
; CHECK-NEXT:    [[C:%.*]] = icmp eq i16 [[X:%.*]], -1
 | 
						|
; CHECK-NEXT:    ret i1 [[C]]
 | 
						|
;
 | 
						|
  %A = getelementptr inbounds %S, %S* %P, i16 0, i32 1, i16 %X
 | 
						|
  %B = getelementptr inbounds %S, %S* %P, i16 0, i32 0
 | 
						|
  %C = icmp eq i32* %A, %B
 | 
						|
  ret i1 %C
 | 
						|
}
 | 
						|
 | 
						|
define i1 @test13_i128(i128 %X, %S* %P) {
 | 
						|
; CHECK-LABEL: @test13_i128(
 | 
						|
; CHECK-NEXT:    [[TMP1:%.*]] = trunc i128 [[X:%.*]] to i64
 | 
						|
; CHECK-NEXT:    [[C:%.*]] = icmp eq i64 [[TMP1]], -1
 | 
						|
; CHECK-NEXT:    ret i1 [[C]]
 | 
						|
;
 | 
						|
  %A = getelementptr inbounds %S, %S* %P, i128 0, i32 1, i128 %X
 | 
						|
  %B = getelementptr inbounds %S, %S* %P, i128 0, i32 0
 | 
						|
  %C = icmp eq i32* %A, %B
 | 
						|
  ret i1 %C
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
@G = external global [3 x i8]
 | 
						|
define i8* @test14(i32 %idx) {
 | 
						|
; CHECK-LABEL: @test14(
 | 
						|
; CHECK-NEXT:    [[ZEXT:%.*]] = zext i32 [[IDX:%.*]] to i64
 | 
						|
; CHECK-NEXT:    [[TMP:%.*]] = getelementptr [3 x i8], [3 x i8]* @G, i64 0, i64 [[ZEXT]]
 | 
						|
; CHECK-NEXT:    ret i8* [[TMP]]
 | 
						|
;
 | 
						|
  %zext = zext i32 %idx to i64
 | 
						|
  %tmp = getelementptr i8, i8* getelementptr ([3 x i8], [3 x i8]* @G, i32 0, i32 0), i64 %zext
 | 
						|
  ret i8* %tmp
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
; Test folding of constantexpr geps into normal geps.
 | 
						|
@Array = external global [40 x i32]
 | 
						|
define i32 *@test15(i64 %X) {
 | 
						|
; CHECK-LABEL: @test15(
 | 
						|
; CHECK-NEXT:    [[A:%.*]] = getelementptr [40 x i32], [40 x i32]* @Array, i64 0, i64 [[X:%.*]]
 | 
						|
; CHECK-NEXT:    ret i32* [[A]]
 | 
						|
;
 | 
						|
  %A = getelementptr i32, i32* getelementptr ([40 x i32], [40 x i32]* @Array, i64 0, i64 0), i64 %X
 | 
						|
  ret i32* %A
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
define i32* @test16(i32* %X, i32 %Idx) {
 | 
						|
; CHECK-LABEL: @test16(
 | 
						|
; CHECK-NEXT:    [[TMP1:%.*]] = sext i32 [[IDX:%.*]] to i64
 | 
						|
; CHECK-NEXT:    [[R:%.*]] = getelementptr i32, i32* [[X:%.*]], i64 [[TMP1]]
 | 
						|
; CHECK-NEXT:    ret i32* [[R]]
 | 
						|
;
 | 
						|
  %R = getelementptr i32, i32* %X, i32 %Idx
 | 
						|
  ret i32* %R
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
define i1 @test17(i16* %P, i32 %I, i32 %J) {
 | 
						|
; CHECK-LABEL: @test17(
 | 
						|
; CHECK-NEXT:    [[C:%.*]] = icmp slt i32 [[I:%.*]], [[J:%.*]]
 | 
						|
; CHECK-NEXT:    ret i1 [[C]]
 | 
						|
;
 | 
						|
  %X = getelementptr inbounds i16, i16* %P, i32 %I
 | 
						|
  %Y = getelementptr inbounds i16, i16* %P, i32 %J
 | 
						|
  %C = icmp ult i16* %X, %Y
 | 
						|
  ret i1 %C
 | 
						|
}
 | 
						|
 | 
						|
define i1 @test18(i16* %P, i32 %I) {
 | 
						|
; CHECK-LABEL: @test18(
 | 
						|
; CHECK-NEXT:    [[C:%.*]] = icmp slt i32 [[I:%.*]], 0
 | 
						|
; CHECK-NEXT:    ret i1 [[C]]
 | 
						|
;
 | 
						|
  %X = getelementptr inbounds i16, i16* %P, i32 %I
 | 
						|
  %C = icmp ult i16* %X, %P
 | 
						|
  ret i1 %C
 | 
						|
}
 | 
						|
 | 
						|
; Larger than the pointer size for a non-zero address space
 | 
						|
define i1 @test18_as1(i16 addrspace(1)* %P, i32 %I) {
 | 
						|
; CHECK-LABEL: @test18_as1(
 | 
						|
; CHECK-NEXT:    [[TMP1:%.*]] = trunc i32 [[I:%.*]] to i16
 | 
						|
; CHECK-NEXT:    [[C:%.*]] = icmp slt i16 [[TMP1]], 0
 | 
						|
; CHECK-NEXT:    ret i1 [[C]]
 | 
						|
;
 | 
						|
  %X = getelementptr inbounds i16, i16 addrspace(1)* %P, i32 %I
 | 
						|
  %C = icmp ult i16 addrspace(1)* %X, %P
 | 
						|
  ret i1 %C
 | 
						|
}
 | 
						|
 | 
						|
; Smaller than the pointer size for a non-zero address space
 | 
						|
define i1 @test18_as1_i32(i16 addrspace(1)* %P, i32 %I) {
 | 
						|
; CHECK-LABEL: @test18_as1_i32(
 | 
						|
; CHECK-NEXT:    [[TMP1:%.*]] = trunc i32 [[I:%.*]] to i16
 | 
						|
; CHECK-NEXT:    [[C:%.*]] = icmp slt i16 [[TMP1]], 0
 | 
						|
; CHECK-NEXT:    ret i1 [[C]]
 | 
						|
;
 | 
						|
  %X = getelementptr inbounds i16, i16 addrspace(1)* %P, i32 %I
 | 
						|
  %C = icmp ult i16 addrspace(1)* %X, %P
 | 
						|
  ret i1 %C
 | 
						|
}
 | 
						|
 | 
						|
; Smaller than pointer size
 | 
						|
define i1 @test18_i16(i16* %P, i16 %I) {
 | 
						|
; CHECK-LABEL: @test18_i16(
 | 
						|
; CHECK-NEXT:    [[C:%.*]] = icmp slt i16 [[I:%.*]], 0
 | 
						|
; CHECK-NEXT:    ret i1 [[C]]
 | 
						|
;
 | 
						|
  %X = getelementptr inbounds i16, i16* %P, i16 %I
 | 
						|
  %C = icmp ult i16* %X, %P
 | 
						|
  ret i1 %C
 | 
						|
}
 | 
						|
 | 
						|
; Same as pointer size
 | 
						|
define i1 @test18_i64(i16* %P, i64 %I) {
 | 
						|
; CHECK-LABEL: @test18_i64(
 | 
						|
; CHECK-NEXT:    [[C:%.*]] = icmp slt i64 [[I:%.*]], 0
 | 
						|
; CHECK-NEXT:    ret i1 [[C]]
 | 
						|
;
 | 
						|
  %X = getelementptr inbounds i16, i16* %P, i64 %I
 | 
						|
  %C = icmp ult i16* %X, %P
 | 
						|
  ret i1 %C
 | 
						|
}
 | 
						|
 | 
						|
; Larger than the pointer size
 | 
						|
define i1 @test18_i128(i16* %P, i128 %I) {
 | 
						|
; CHECK-LABEL: @test18_i128(
 | 
						|
; CHECK-NEXT:    [[TMP1:%.*]] = trunc i128 [[I:%.*]] to i64
 | 
						|
; CHECK-NEXT:    [[C:%.*]] = icmp slt i64 [[TMP1]], 0
 | 
						|
; CHECK-NEXT:    ret i1 [[C]]
 | 
						|
;
 | 
						|
  %X = getelementptr inbounds i16, i16* %P, i128 %I
 | 
						|
  %C = icmp ult i16* %X, %P
 | 
						|
  ret i1 %C
 | 
						|
}
 | 
						|
 | 
						|
define i32 @test19(i32* %P, i32 %A, i32 %B) {
 | 
						|
; CHECK-LABEL: @test19(
 | 
						|
; CHECK-NEXT:    [[TMP_10:%.*]] = icmp eq i32 [[A:%.*]], [[B:%.*]]
 | 
						|
; CHECK-NEXT:    [[TMP_11:%.*]] = zext i1 [[TMP_10]] to i32
 | 
						|
; CHECK-NEXT:    ret i32 [[TMP_11]]
 | 
						|
;
 | 
						|
  %tmp.4 = getelementptr inbounds i32, i32* %P, i32 %A
 | 
						|
  %tmp.9 = getelementptr inbounds i32, i32* %P, i32 %B
 | 
						|
  %tmp.10 = icmp eq i32* %tmp.4, %tmp.9
 | 
						|
  %tmp.11 = zext i1 %tmp.10 to i32
 | 
						|
  ret i32 %tmp.11
 | 
						|
}
 | 
						|
 | 
						|
define i32 @test20(i32* %P, i32 %A, i32 %B) {
 | 
						|
; CHECK-LABEL: @test20(
 | 
						|
; CHECK-NEXT:    [[TMP_6:%.*]] = icmp eq i32 [[A:%.*]], 0
 | 
						|
; CHECK-NEXT:    [[TMP_7:%.*]] = zext i1 [[TMP_6]] to i32
 | 
						|
; CHECK-NEXT:    ret i32 [[TMP_7]]
 | 
						|
;
 | 
						|
  %tmp.4 = getelementptr inbounds i32, i32* %P, i32 %A
 | 
						|
  %tmp.6 = icmp eq i32* %tmp.4, %P
 | 
						|
  %tmp.7 = zext i1 %tmp.6 to i32
 | 
						|
  ret i32 %tmp.7
 | 
						|
}
 | 
						|
 | 
						|
define i32 @test20_as1(i32 addrspace(1)* %P, i32 %A, i32 %B) {
 | 
						|
; CHECK-LABEL: @test20_as1(
 | 
						|
; CHECK-NEXT:    [[TMP1:%.*]] = trunc i32 [[A:%.*]] to i16
 | 
						|
; CHECK-NEXT:    [[TMP_6:%.*]] = icmp eq i16 [[TMP1]], 0
 | 
						|
; CHECK-NEXT:    [[TMP_7:%.*]] = zext i1 [[TMP_6]] to i32
 | 
						|
; CHECK-NEXT:    ret i32 [[TMP_7]]
 | 
						|
;
 | 
						|
  %tmp.4 = getelementptr inbounds i32, i32 addrspace(1)* %P, i32 %A
 | 
						|
  %tmp.6 = icmp eq i32 addrspace(1)* %tmp.4, %P
 | 
						|
  %tmp.7 = zext i1 %tmp.6 to i32
 | 
						|
  ret i32 %tmp.7
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
define i32 @test21() {
 | 
						|
; CHECK-LABEL: @test21(
 | 
						|
; CHECK-NEXT:    [[PBOB1:%.*]] = alloca [[INTSTRUCT:%.*]], align 8
 | 
						|
; CHECK-NEXT:    [[PBOBEL:%.*]] = getelementptr inbounds [[INTSTRUCT]], %intstruct* [[PBOB1]], i64 0, i32 0
 | 
						|
; CHECK-NEXT:    [[RVAL:%.*]] = load i32, i32* [[PBOBEL]], align 8
 | 
						|
; CHECK-NEXT:    ret i32 [[RVAL]]
 | 
						|
;
 | 
						|
  %pbob1 = alloca %intstruct
 | 
						|
  %pbob2 = getelementptr %intstruct, %intstruct* %pbob1
 | 
						|
  %pbobel = getelementptr %intstruct, %intstruct* %pbob2, i64 0, i32 0
 | 
						|
  %rval = load i32, i32* %pbobel
 | 
						|
  ret i32 %rval
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
@A = global i32 1               ; <i32*> [#uses=1]
 | 
						|
@B = global i32 2               ; <i32*> [#uses=1]
 | 
						|
 | 
						|
define i1 @test22() {
 | 
						|
; CHECK-LABEL: @test22(
 | 
						|
; CHECK-NEXT:    ret i1 icmp ult (i32* getelementptr inbounds (i32, i32* @A, i64 1), i32* getelementptr (i32, i32* @B, i64 2))
 | 
						|
;
 | 
						|
  %C = icmp ult i32* getelementptr (i32, i32* @A, i64 1),
 | 
						|
  getelementptr (i32, i32* @B, i64 2)
 | 
						|
  ret i1 %C
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
%X = type { [10 x i32], float }
 | 
						|
 | 
						|
define i1 @test23() {
 | 
						|
; CHECK-LABEL: @test23(
 | 
						|
; CHECK-NEXT:    ret i1 false
 | 
						|
;
 | 
						|
  %A = getelementptr %X, %X* null, i64 0, i32 0, i64 0                ; <i32*> [#uses=1]
 | 
						|
  %B = icmp ne i32* %A, null              ; <i1> [#uses=1]
 | 
						|
  ret i1 %B
 | 
						|
}
 | 
						|
 | 
						|
define void @test25() {
 | 
						|
; CHECK-LABEL: @test25(
 | 
						|
; CHECK-NEXT:  entry:
 | 
						|
; CHECK-NEXT:    store i64 undef, i64* null, align 536870912
 | 
						|
; CHECK-NEXT:    tail call void @foo25(i32 0, i64 0)
 | 
						|
; CHECK-NEXT:    unreachable
 | 
						|
;
 | 
						|
entry:
 | 
						|
  %tmp = getelementptr { i64, i64, i64, i64 }, { i64, i64, i64, i64 }* null, i32 0, i32 3         ; <i64*> [#uses=1]
 | 
						|
  %tmp.upgrd.1 = load i64, i64* %tmp           ; <i64> [#uses=1]
 | 
						|
  %tmp8.ui = load i64, i64* null               ; <i64> [#uses=1]
 | 
						|
  %tmp8 = bitcast i64 %tmp8.ui to i64             ; <i64> [#uses=1]
 | 
						|
  %tmp9 = and i64 %tmp8, %tmp.upgrd.1             ; <i64> [#uses=1]
 | 
						|
  %sext = trunc i64 %tmp9 to i32          ; <i32> [#uses=1]
 | 
						|
  %tmp27.i = sext i32 %sext to i64                ; <i64> [#uses=1]
 | 
						|
  tail call void @foo25( i32 0, i64 %tmp27.i )
 | 
						|
  unreachable
 | 
						|
}
 | 
						|
 | 
						|
declare void @foo25(i32, i64)
 | 
						|
 | 
						|
 | 
						|
; PR1637
 | 
						|
define i1 @test26(i8* %arr) {
 | 
						|
; CHECK-LABEL: @test26(
 | 
						|
; CHECK-NEXT:    ret i1 true
 | 
						|
;
 | 
						|
  %X = getelementptr i8, i8* %arr, i32 1
 | 
						|
  %Y = getelementptr i8, i8* %arr, i32 1
 | 
						|
  %test = icmp uge i8* %X, %Y
 | 
						|
  ret i1 %test
 | 
						|
}
 | 
						|
 | 
						|
	%struct.__large_struct = type { [100 x i64] }
 | 
						|
	%struct.compat_siginfo = type { i32, i32, i32, { [29 x i32] } }
 | 
						|
	%struct.siginfo_t = type { i32, i32, i32, { { i32, i32, [0 x i8], %struct.sigval_t, i32 }, [88 x i8] } }
 | 
						|
	%struct.sigval_t = type { i8* }
 | 
						|
 | 
						|
define i32 @test27(%struct.compat_siginfo* %to, %struct.siginfo_t* %from) {
 | 
						|
; CHECK-LABEL: @test27(
 | 
						|
; CHECK-NEXT:  entry:
 | 
						|
; CHECK-NEXT:    [[FROM_ADDR:%.*]] = alloca %struct.siginfo_t*, align 8
 | 
						|
; CHECK-NEXT:    [[TMP344:%.*]] = load %struct.siginfo_t*, %struct.siginfo_t** [[FROM_ADDR]], align 8
 | 
						|
; CHECK-NEXT:    [[TMP349:%.*]] = getelementptr [[STRUCT_SIGINFO_T:%.*]], %struct.siginfo_t* [[TMP344]], i64 0, i32 3, i32 0, i32 3, i32 0
 | 
						|
; CHECK-NEXT:    [[TMP349350:%.*]] = bitcast i8** [[TMP349]] to i32*
 | 
						|
; CHECK-NEXT:    [[TMP351:%.*]] = load i32, i32* [[TMP349350]], align 8
 | 
						|
; CHECK-NEXT:    [[TMP360:%.*]] = call i32 asm sideeffect "...", "=r,ir,*m,i,0,~{dirflag},~{fpsr},~{flags}"(i32 [[TMP351]], %struct.__large_struct* null, i32 -14, i32 0) #0
 | 
						|
; CHECK-NEXT:    unreachable
 | 
						|
;
 | 
						|
entry:
 | 
						|
  %from_addr = alloca %struct.siginfo_t*
 | 
						|
  %tmp344 = load %struct.siginfo_t*, %struct.siginfo_t** %from_addr, align 8
 | 
						|
  %tmp345 = getelementptr %struct.siginfo_t, %struct.siginfo_t* %tmp344, i32 0, i32 3
 | 
						|
  %tmp346 = getelementptr { { i32, i32, [0 x i8], %struct.sigval_t, i32 }, [88 x i8] }, { { i32, i32, [0 x i8], %struct.sigval_t, i32 }, [88 x i8] }* %tmp345, i32 0, i32 0
 | 
						|
  %tmp346347 = bitcast { i32, i32, [0 x i8], %struct.sigval_t, i32 }* %tmp346 to { i32, i32, %struct.sigval_t }*
 | 
						|
  %tmp348 = getelementptr { i32, i32, %struct.sigval_t }, { i32, i32, %struct.sigval_t }* %tmp346347, i32 0, i32 2
 | 
						|
  %tmp349 = getelementptr %struct.sigval_t, %struct.sigval_t* %tmp348, i32 0, i32 0
 | 
						|
  %tmp349350 = bitcast i8** %tmp349 to i32*
 | 
						|
  %tmp351 = load i32, i32* %tmp349350, align 8
 | 
						|
  %tmp360 = call i32 asm sideeffect "...",
 | 
						|
  "=r,ir,*m,i,0,~{dirflag},~{fpsr},~{flags}"( i32 %tmp351,
 | 
						|
  %struct.__large_struct* null, i32 -14, i32 0 )
 | 
						|
  unreachable
 | 
						|
}
 | 
						|
 | 
						|
; PR1978
 | 
						|
	%struct.x = type <{ i8 }>
 | 
						|
@.str = internal constant [6 x i8] c"Main!\00"
 | 
						|
@.str1 = internal constant [12 x i8] c"destroy %p\0A\00"
 | 
						|
 | 
						|
define i32 @test28() nounwind  {
 | 
						|
; CHECK-LABEL: @test28(
 | 
						|
; CHECK-NEXT:  entry:
 | 
						|
; CHECK-NEXT:    [[ORIENTATIONS:%.*]] = alloca [1 x [1 x %struct.x]], align 8
 | 
						|
; CHECK-NEXT:    [[TMP3:%.*]] = call i32 @puts(i8* nonnull dereferenceable(1) getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0)) #0
 | 
						|
; CHECK-NEXT:    br label [[BB10:%.*]]
 | 
						|
; CHECK:       bb10:
 | 
						|
; CHECK-NEXT:    [[INDVAR:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[INDVAR_NEXT:%.*]], [[BB10]] ]
 | 
						|
; CHECK-NEXT:    [[TMP12_REC:%.*]] = xor i32 [[INDVAR]], -1
 | 
						|
; CHECK-NEXT:    [[TMP0:%.*]] = sext i32 [[TMP12_REC]] to i64
 | 
						|
; CHECK-NEXT:    [[TMP12:%.*]] = getelementptr inbounds [1 x [1 x %struct.x]], [1 x [1 x %struct.x]]* [[ORIENTATIONS]], i64 1, i64 0, i64 [[TMP0]]
 | 
						|
; CHECK-NEXT:    [[TMP16:%.*]] = call i32 (i8*, ...) @printf(i8* nonnull dereferenceable(1) getelementptr inbounds ([12 x i8], [12 x i8]* @.str1, i64 0, i64 0), %struct.x* nonnull [[TMP12]]) #0
 | 
						|
; CHECK-NEXT:    [[TMP84:%.*]] = icmp eq i32 [[INDVAR]], 0
 | 
						|
; CHECK-NEXT:    [[INDVAR_NEXT]] = add i32 [[INDVAR]], 1
 | 
						|
; CHECK-NEXT:    br i1 [[TMP84]], label [[BB17:%.*]], label [[BB10]]
 | 
						|
; CHECK:       bb17:
 | 
						|
; CHECK-NEXT:    ret i32 0
 | 
						|
;
 | 
						|
entry:
 | 
						|
  %orientations = alloca [1 x [1 x %struct.x]]
 | 
						|
  %tmp3 = call i32 @puts( i8* getelementptr ([6 x i8], [6 x i8]* @.str, i32 0, i32 0) ) nounwind
 | 
						|
  %tmp45 = getelementptr inbounds [1 x [1 x %struct.x]], [1 x [1 x %struct.x]]* %orientations, i32 1, i32 0, i32 0
 | 
						|
  %orientations62 = getelementptr [1 x [1 x %struct.x]], [1 x [1 x %struct.x]]* %orientations, i32 0, i32 0, i32 0
 | 
						|
  br label %bb10
 | 
						|
 | 
						|
bb10:
 | 
						|
  %indvar = phi i32 [ 0, %entry ], [ %indvar.next, %bb10 ]
 | 
						|
  %tmp.0.reg2mem.0.rec = mul i32 %indvar, -1
 | 
						|
  %tmp12.rec = add i32 %tmp.0.reg2mem.0.rec, -1
 | 
						|
  %tmp12 = getelementptr inbounds %struct.x, %struct.x* %tmp45, i32 %tmp12.rec
 | 
						|
  %tmp16 = call i32 (i8*, ...) @printf( i8* nonnull dereferenceable(1) getelementptr ([12 x i8], [12 x i8]* @.str1, i32 0, i32 0), %struct.x* %tmp12 ) nounwind
 | 
						|
  %tmp84 = icmp eq %struct.x* %tmp12, %orientations62
 | 
						|
  %indvar.next = add i32 %indvar, 1
 | 
						|
  br i1 %tmp84, label %bb17, label %bb10
 | 
						|
 | 
						|
bb17:
 | 
						|
  ret i32 0
 | 
						|
}
 | 
						|
 | 
						|
declare i32 @puts(i8*)
 | 
						|
 | 
						|
declare i32 @printf(i8*, ...)
 | 
						|
 | 
						|
 | 
						|
 | 
						|
 | 
						|
; rdar://6762290
 | 
						|
	%T = type <{ i64, i64, i64 }>
 | 
						|
define i32 @test29(i8* %start, i32 %X) nounwind {
 | 
						|
; CHECK-LABEL: @test29(
 | 
						|
; CHECK-NEXT:  entry:
 | 
						|
; CHECK-NEXT:    store i64 undef, i64* null, align 536870912
 | 
						|
; CHECK-NEXT:    [[ADD_PTR:%.*]] = getelementptr i8, i8* [[START:%.*]], i64 undef
 | 
						|
; CHECK-NEXT:    [[TMP0:%.*]] = sext i32 [[X:%.*]] to i64
 | 
						|
; CHECK-NEXT:    [[ADD_PTR212:%.*]] = getelementptr i8, i8* [[START]], i64 [[TMP0]]
 | 
						|
; CHECK-NEXT:    [[CMP214:%.*]] = icmp ugt i8* [[ADD_PTR212]], [[ADD_PTR]]
 | 
						|
; CHECK-NEXT:    br i1 [[CMP214]], label [[IF_THEN216:%.*]], label [[IF_END363:%.*]]
 | 
						|
; CHECK:       if.then216:
 | 
						|
; CHECK-NEXT:    ret i32 1
 | 
						|
; CHECK:       if.end363:
 | 
						|
; CHECK-NEXT:    ret i32 0
 | 
						|
;
 | 
						|
entry:
 | 
						|
  %tmp3 = load i64, i64* null
 | 
						|
  %add.ptr = getelementptr i8, i8* %start, i64 %tmp3
 | 
						|
  %tmp158 = load i32, i32* null
 | 
						|
  %add.ptr159 = getelementptr %T, %T* null, i32 %tmp158
 | 
						|
  %add.ptr209 = getelementptr i8, i8* %start, i64 0
 | 
						|
  %add.ptr212 = getelementptr i8, i8* %add.ptr209, i32 %X
 | 
						|
  %cmp214 = icmp ugt i8* %add.ptr212, %add.ptr
 | 
						|
  br i1 %cmp214, label %if.then216, label %if.end363
 | 
						|
 | 
						|
if.then216:
 | 
						|
  ret i32 1
 | 
						|
 | 
						|
if.end363:
 | 
						|
  ret i32 0
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
; PR3694
 | 
						|
define i32 @test30(i32 %m, i32 %n) nounwind {
 | 
						|
; CHECK-LABEL: @test30(
 | 
						|
; CHECK-NEXT:  entry:
 | 
						|
; CHECK-NEXT:    [[TMP0:%.*]] = zext i32 [[N:%.*]] to i64
 | 
						|
; CHECK-NEXT:    [[TMP1:%.*]] = alloca i32, i64 [[TMP0]], align 4
 | 
						|
; CHECK-NEXT:    call void @test30f(i32* nonnull [[TMP1]]) #0
 | 
						|
; CHECK-NEXT:    [[TMP2:%.*]] = sext i32 [[M:%.*]] to i64
 | 
						|
; CHECK-NEXT:    [[TMP3:%.*]] = getelementptr i32, i32* [[TMP1]], i64 [[TMP2]]
 | 
						|
; CHECK-NEXT:    [[TMP4:%.*]] = load i32, i32* [[TMP3]], align 4
 | 
						|
; CHECK-NEXT:    ret i32 [[TMP4]]
 | 
						|
;
 | 
						|
entry:
 | 
						|
  %0 = alloca i32, i32 %n, align 4
 | 
						|
  %1 = bitcast i32* %0 to [0 x i32]*
 | 
						|
  call void @test30f(i32* %0) nounwind
 | 
						|
  %2 = getelementptr [0 x i32], [0 x i32]* %1, i32 0, i32 %m
 | 
						|
  %3 = load i32, i32* %2, align 4
 | 
						|
  ret i32 %3
 | 
						|
}
 | 
						|
 | 
						|
declare void @test30f(i32*)
 | 
						|
 | 
						|
 | 
						|
 | 
						|
define i1 @test31(i32* %A) {
 | 
						|
; CHECK-LABEL: @test31(
 | 
						|
; CHECK-NEXT:    ret i1 true
 | 
						|
;
 | 
						|
  %B = getelementptr i32, i32* %A, i32 1
 | 
						|
  %C = getelementptr i32, i32* %A, i64 1
 | 
						|
  %V = icmp eq i32* %B, %C
 | 
						|
  ret i1 %V
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
; PR1345
 | 
						|
define i8* @test32(i8* %v) {
 | 
						|
; CHECK-LABEL: @test32(
 | 
						|
; CHECK-NEXT:    [[A:%.*]] = alloca [4 x i8*], align 16
 | 
						|
; CHECK-NEXT:    [[B:%.*]] = getelementptr inbounds [4 x i8*], [4 x i8*]* [[A]], i64 0, i64 0
 | 
						|
; CHECK-NEXT:    store i8* null, i8** [[B]], align 16
 | 
						|
; CHECK-NEXT:    [[D:%.*]] = getelementptr inbounds [4 x i8*], [4 x i8*]* [[A]], i64 0, i64 1
 | 
						|
; CHECK-NEXT:    store i8* [[V:%.*]], i8** [[D]], align 8
 | 
						|
; CHECK-NEXT:    [[F:%.*]] = getelementptr inbounds [4 x i8*], [4 x i8*]* [[A]], i64 0, i64 2
 | 
						|
; CHECK-NEXT:    [[G:%.*]] = load i8*, i8** [[F]], align 16
 | 
						|
; CHECK-NEXT:    ret i8* [[G]]
 | 
						|
;
 | 
						|
  %A = alloca [4 x i8*], align 16
 | 
						|
  %B = getelementptr [4 x i8*], [4 x i8*]* %A, i32 0, i32 0
 | 
						|
  store i8* null, i8** %B
 | 
						|
  %C = bitcast [4 x i8*]* %A to { [16 x i8] }*
 | 
						|
  %D = getelementptr { [16 x i8] }, { [16 x i8] }* %C, i32 0, i32 0, i32 8
 | 
						|
  %E = bitcast i8* %D to i8**
 | 
						|
  store i8* %v, i8** %E
 | 
						|
  %F = getelementptr [4 x i8*], [4 x i8*]* %A, i32 0, i32 2
 | 
						|
  %G = load i8*, i8** %F
 | 
						|
  ret i8* %G
 | 
						|
}
 | 
						|
 | 
						|
; PR3290
 | 
						|
%struct.Key = type { { i32, i32 } }
 | 
						|
%struct.anon = type <{ i8, [3 x i8], i32 }>
 | 
						|
 | 
						|
define i32* @test33(%struct.Key* %A) {
 | 
						|
; CHECK-LABEL: @test33(
 | 
						|
; CHECK-NEXT:    [[TMP1:%.*]] = getelementptr [[STRUCT_KEY:%.*]], %struct.Key* [[A:%.*]], i64 0, i32 0, i32 1
 | 
						|
; CHECK-NEXT:    ret i32* [[TMP1]]
 | 
						|
;
 | 
						|
  %B = bitcast %struct.Key* %A to %struct.anon*
 | 
						|
  %C = getelementptr %struct.anon, %struct.anon* %B, i32 0, i32 2
 | 
						|
  ret i32* %C
 | 
						|
}
 | 
						|
 | 
						|
define i32 addrspace(1)* @test33_as1(%struct.Key addrspace(1)* %A) {
 | 
						|
; CHECK-LABEL: @test33_as1(
 | 
						|
; CHECK-NEXT:    [[TMP1:%.*]] = getelementptr [[STRUCT_KEY:%.*]], [[STRUCT_KEY]] addrspace(1)* [[A:%.*]], i16 0, i32 0, i32 1
 | 
						|
; CHECK-NEXT:    ret i32 addrspace(1)* [[TMP1]]
 | 
						|
;
 | 
						|
  %B = bitcast %struct.Key addrspace(1)* %A to %struct.anon addrspace(1)*
 | 
						|
  %C = getelementptr %struct.anon, %struct.anon addrspace(1)* %B, i32 0, i32 2
 | 
						|
  ret i32 addrspace(1)* %C
 | 
						|
}
 | 
						|
 | 
						|
define i32 addrspace(1)* @test33_array_as1([10 x i32] addrspace(1)* %A) {
 | 
						|
; CHECK-LABEL: @test33_array_as1(
 | 
						|
; CHECK-NEXT:    [[C:%.*]] = getelementptr [10 x i32], [10 x i32] addrspace(1)* [[A:%.*]], i16 0, i16 2
 | 
						|
; CHECK-NEXT:    ret i32 addrspace(1)* [[C]]
 | 
						|
;
 | 
						|
  %B = bitcast [10 x i32] addrspace(1)* %A to [5 x i32] addrspace(1)*
 | 
						|
  %C = getelementptr [5 x i32], [5 x i32] addrspace(1)* %B, i32 0, i32 2
 | 
						|
  ret i32 addrspace(1)* %C
 | 
						|
}
 | 
						|
 | 
						|
; Make sure the GEP indices use the right pointer sized integer
 | 
						|
define i32 addrspace(1)* @test33_array_struct_as1([10 x %struct.Key] addrspace(1)* %A) {
 | 
						|
; CHECK-LABEL: @test33_array_struct_as1(
 | 
						|
; CHECK-NEXT:    [[TMP1:%.*]] = getelementptr [10 x %struct.Key], [10 x %struct.Key] addrspace(1)* [[A:%.*]], i16 0, i16 1, i32 0, i32 0
 | 
						|
; CHECK-NEXT:    ret i32 addrspace(1)* [[TMP1]]
 | 
						|
;
 | 
						|
  %B = bitcast [10 x %struct.Key] addrspace(1)* %A to [20 x i32] addrspace(1)*
 | 
						|
  %C = getelementptr [20 x i32], [20 x i32] addrspace(1)* %B, i32 0, i32 2
 | 
						|
  ret i32 addrspace(1)* %C
 | 
						|
}
 | 
						|
 | 
						|
define i32 addrspace(1)* @test33_addrspacecast(%struct.Key* %A) {
 | 
						|
; CHECK-LABEL: @test33_addrspacecast(
 | 
						|
; CHECK-NEXT:    [[C:%.*]] = getelementptr [[STRUCT_KEY:%.*]], %struct.Key* [[A:%.*]], i64 0, i32 0, i32 1
 | 
						|
; CHECK-NEXT:    [[TMP1:%.*]] = addrspacecast i32* [[C]] to i32 addrspace(1)*
 | 
						|
; CHECK-NEXT:    ret i32 addrspace(1)* [[TMP1]]
 | 
						|
;
 | 
						|
  %B = addrspacecast %struct.Key* %A to %struct.anon addrspace(1)*
 | 
						|
  %C = getelementptr %struct.anon, %struct.anon addrspace(1)* %B, i32 0, i32 2
 | 
						|
  ret i32 addrspace(1)* %C
 | 
						|
}
 | 
						|
 | 
						|
	%T2 = type { i8*, i8 }
 | 
						|
define i8* @test34(i8* %Val, i64 %V) nounwind {
 | 
						|
; CHECK-LABEL: @test34(
 | 
						|
; CHECK-NEXT:  entry:
 | 
						|
; CHECK-NEXT:    [[C_CAST:%.*]] = inttoptr i64 [[V:%.*]] to i8*
 | 
						|
; CHECK-NEXT:    ret i8* [[C_CAST]]
 | 
						|
;
 | 
						|
entry:
 | 
						|
  %A = alloca %T2, align 8
 | 
						|
  %mrv_gep = bitcast %T2* %A to i64*
 | 
						|
  %B = getelementptr %T2, %T2* %A, i64 0, i32 0
 | 
						|
 | 
						|
  store i64 %V, i64* %mrv_gep
 | 
						|
  %C = load i8*, i8** %B, align 8
 | 
						|
  ret i8* %C
 | 
						|
}
 | 
						|
 | 
						|
%t0 = type { i8*, [19 x i8] }
 | 
						|
%t1 = type { i8*, [0 x i8] }
 | 
						|
 | 
						|
@array = external global [11 x i8]
 | 
						|
 | 
						|
@s = external global %t0
 | 
						|
@"\01LC8" = external constant [17 x i8]
 | 
						|
 | 
						|
; Instcombine should be able to fold this getelementptr.
 | 
						|
 | 
						|
define i32 @test35() nounwind {
 | 
						|
; CHECK-LABEL: @test35(
 | 
						|
; CHECK-NEXT:    [[TMP1:%.*]] = call i32 (i8*, ...) @printf(i8* nonnull dereferenceable(1) getelementptr inbounds ([17 x i8], [17 x i8]* @"\01LC8", i64 0, i64 0), i8* getelementptr inbounds (%t0, %t0* @s, i64 0, i32 1, i64 0)) #0
 | 
						|
; CHECK-NEXT:    ret i32 0
 | 
						|
;
 | 
						|
  call i32 (i8*, ...) @printf(i8* getelementptr ([17 x i8], [17 x i8]* @"\01LC8", i32 0, i32 0),
 | 
						|
  i8* getelementptr (%t1, %t1* bitcast (%t0* @s to %t1*), i32 0, i32 1, i32 0)) nounwind
 | 
						|
  ret i32 0
 | 
						|
}
 | 
						|
 | 
						|
; Don't treat signed offsets as unsigned.
 | 
						|
define i8* @test36() nounwind {
 | 
						|
; CHECK-LABEL: @test36(
 | 
						|
; CHECK-NEXT:    ret i8* getelementptr ([11 x i8], [11 x i8]* @array, i64 0, i64 -1)
 | 
						|
;
 | 
						|
  ret i8* getelementptr ([11 x i8], [11 x i8]* @array, i32 0, i64 -1)
 | 
						|
}
 | 
						|
 | 
						|
; Instcombine shouldn't assume that gep(A,0,1) != gep(A,1,0).
 | 
						|
@A37 = external constant [1 x i8]
 | 
						|
define i1 @test37() nounwind {
 | 
						|
; CHECK-LABEL: @test37(
 | 
						|
; CHECK-NEXT:    ret i1 true
 | 
						|
;
 | 
						|
  %t = icmp eq i8* getelementptr ([1 x i8], [1 x i8]* @A37, i64 0, i64 1),
 | 
						|
  getelementptr ([1 x i8], [1 x i8]* @A37, i64 1, i64 0)
 | 
						|
  ret i1 %t
 | 
						|
}
 | 
						|
 | 
						|
; Test index promotion
 | 
						|
define i32* @test38(i32* %I, i32 %n) {
 | 
						|
; CHECK-LABEL: @test38(
 | 
						|
; CHECK-NEXT:    [[TMP1:%.*]] = sext i32 [[N:%.*]] to i64
 | 
						|
; CHECK-NEXT:    [[A:%.*]] = getelementptr i32, i32* [[I:%.*]], i64 [[TMP1]]
 | 
						|
; CHECK-NEXT:    ret i32* [[A]]
 | 
						|
;
 | 
						|
  %A = getelementptr i32, i32* %I, i32 %n
 | 
						|
  ret i32* %A
 | 
						|
}
 | 
						|
 | 
						|
; Test that we don't duplicate work when the second gep is a "bitcast".
 | 
						|
%pr10322_t = type { i8* }
 | 
						|
declare void @pr10322_f2(%pr10322_t*)
 | 
						|
declare void @pr10322_f3(i8**)
 | 
						|
define void @pr10322_f1(%pr10322_t* %foo) {
 | 
						|
; CHECK-LABEL: @pr10322_f1(
 | 
						|
; CHECK-NEXT:  entry:
 | 
						|
; CHECK-NEXT:    [[ARRAYIDX8:%.*]] = getelementptr inbounds [[PR10322_T:%.*]], %pr10322_t* [[FOO:%.*]], i64 2
 | 
						|
; CHECK-NEXT:    call void @pr10322_f2(%pr10322_t* nonnull [[ARRAYIDX8]]) #0
 | 
						|
; CHECK-NEXT:    [[TMP2:%.*]] = getelementptr inbounds [[PR10322_T]], %pr10322_t* [[ARRAYIDX8]], i64 0, i32 0
 | 
						|
; CHECK-NEXT:    call void @pr10322_f3(i8** nonnull [[TMP2]]) #0
 | 
						|
; CHECK-NEXT:    ret void
 | 
						|
;
 | 
						|
entry:
 | 
						|
  %arrayidx8 = getelementptr inbounds %pr10322_t, %pr10322_t* %foo, i64 2
 | 
						|
  call void @pr10322_f2(%pr10322_t* %arrayidx8) nounwind
 | 
						|
  %tmp2 = getelementptr inbounds %pr10322_t, %pr10322_t* %arrayidx8, i64 0, i32 0
 | 
						|
  call void @pr10322_f3(i8** %tmp2) nounwind
 | 
						|
  ret void
 | 
						|
 | 
						|
}
 | 
						|
 | 
						|
; Test that we combine the last two geps in this sequence, before we
 | 
						|
; would wait for gep1 and gep2 to be combined and never combine 2 and 3.
 | 
						|
%three_gep_t = type {i32}
 | 
						|
%three_gep_t2 = type {%three_gep_t}
 | 
						|
 | 
						|
define void @three_gep_f(%three_gep_t2* %x) {
 | 
						|
; CHECK-LABEL: @three_gep_f(
 | 
						|
; CHECK-NEXT:    [[GEP1:%.*]] = getelementptr [[THREE_GEP_T2:%.*]], %three_gep_t2* [[X:%.*]], i64 2
 | 
						|
; CHECK-NEXT:    call void @three_gep_h(%three_gep_t2* [[GEP1]])
 | 
						|
; CHECK-NEXT:    [[GEP3:%.*]] = getelementptr [[THREE_GEP_T2]], %three_gep_t2* [[GEP1]], i64 0, i32 0, i32 0
 | 
						|
; CHECK-NEXT:    call void @three_gep_g(i32* [[GEP3]])
 | 
						|
; CHECK-NEXT:    ret void
 | 
						|
;
 | 
						|
  %gep1 = getelementptr %three_gep_t2, %three_gep_t2* %x, i64 2
 | 
						|
  call void @three_gep_h(%three_gep_t2* %gep1)
 | 
						|
  %gep2 = getelementptr %three_gep_t2, %three_gep_t2* %gep1, i64 0, i32 0
 | 
						|
  %gep3 = getelementptr %three_gep_t, %three_gep_t* %gep2, i64 0, i32 0
 | 
						|
  call void @three_gep_g(i32* %gep3)
 | 
						|
 | 
						|
  ret void
 | 
						|
}
 | 
						|
 | 
						|
declare void @three_gep_g(i32*)
 | 
						|
declare void @three_gep_h(%three_gep_t2*)
 | 
						|
 | 
						|
%struct.ham = type { i32, %struct.zot*, %struct.zot*, %struct.zot* }
 | 
						|
%struct.zot = type { i64, i8 }
 | 
						|
 | 
						|
define void @test39(%struct.ham* %arg, i8 %arg1) nounwind {
 | 
						|
; CHECK-LABEL: @test39(
 | 
						|
; CHECK-NEXT:    [[TMP:%.*]] = getelementptr inbounds [[STRUCT_HAM:%.*]], %struct.ham* [[ARG:%.*]], i64 0, i32 2
 | 
						|
; CHECK-NEXT:    [[TMP1:%.*]] = bitcast %struct.zot** [[TMP]] to i8**
 | 
						|
; CHECK-NEXT:    [[TMP21:%.*]] = load i8*, i8** [[TMP1]], align 8
 | 
						|
; CHECK-NEXT:    [[TMP4:%.*]] = getelementptr inbounds i8, i8* [[TMP21]], i64 -8
 | 
						|
; CHECK-NEXT:    store i8 [[ARG1:%.*]], i8* [[TMP4]], align 8
 | 
						|
; CHECK-NEXT:    ret void
 | 
						|
;
 | 
						|
  %tmp = getelementptr inbounds %struct.ham, %struct.ham* %arg, i64 0, i32 2
 | 
						|
  %tmp2 = load %struct.zot*, %struct.zot** %tmp, align 8
 | 
						|
  %tmp3 = bitcast %struct.zot* %tmp2 to i8*
 | 
						|
  %tmp4 = getelementptr inbounds i8, i8* %tmp3, i64 -8
 | 
						|
  store i8 %arg1, i8* %tmp4, align 8
 | 
						|
  ret void
 | 
						|
 | 
						|
}
 | 
						|
 | 
						|
define i1 @pr16483([1 x i8]* %a, [1 x i8]* %b) {
 | 
						|
; CHECK-LABEL: @pr16483(
 | 
						|
; CHECK-NEXT:    [[CMP:%.*]] = icmp ult [1 x i8]* [[A:%.*]], [[B:%.*]]
 | 
						|
; CHECK-NEXT:    ret i1 [[CMP]]
 | 
						|
;
 | 
						|
  %c = getelementptr [1 x i8], [1 x i8]* %a, i32 0, i32 0
 | 
						|
  %d = getelementptr [1 x i8], [1 x i8]* %b, i32 0, i32 0
 | 
						|
  %cmp = icmp ult i8* %c, %d
 | 
						|
  ret i1 %cmp
 | 
						|
 | 
						|
}
 | 
						|
 | 
						|
define i8 @test_gep_bitcast_as1(i32 addrspace(1)* %arr, i16 %N) {
 | 
						|
; CHECK-LABEL: @test_gep_bitcast_as1(
 | 
						|
; CHECK-NEXT:    [[T1:%.*]] = getelementptr i32, i32 addrspace(1)* [[ARR:%.*]], i16 [[N:%.*]]
 | 
						|
; CHECK-NEXT:    [[T:%.*]] = bitcast i32 addrspace(1)* [[T1]] to i8 addrspace(1)*
 | 
						|
; CHECK-NEXT:    [[X:%.*]] = load i8, i8 addrspace(1)* [[T]], align 1
 | 
						|
; CHECK-NEXT:    ret i8 [[X]]
 | 
						|
;
 | 
						|
  %cast = bitcast i32 addrspace(1)* %arr to i8 addrspace(1)*
 | 
						|
  %V = mul i16 %N, 4
 | 
						|
  %t = getelementptr i8, i8 addrspace(1)* %cast, i16 %V
 | 
						|
  %x = load i8, i8 addrspace(1)* %t
 | 
						|
  ret i8 %x
 | 
						|
}
 | 
						|
 | 
						|
; The element size of the array matches the element size of the pointer
 | 
						|
define i64 @test_gep_bitcast_array_same_size_element([100 x double]* %arr, i64 %N) {
 | 
						|
; CHECK-LABEL: @test_gep_bitcast_array_same_size_element(
 | 
						|
; CHECK-NEXT:    [[V:%.*]] = shl i64 [[N:%.*]], 3
 | 
						|
; CHECK-NEXT:    [[T1:%.*]] = getelementptr [100 x double], [100 x double]* [[ARR:%.*]], i64 0, i64 [[V]]
 | 
						|
; CHECK-NEXT:    [[T:%.*]] = bitcast double* [[T1]] to i64*
 | 
						|
; CHECK-NEXT:    [[X:%.*]] = load i64, i64* [[T]], align 4
 | 
						|
; CHECK-NEXT:    ret i64 [[X]]
 | 
						|
;
 | 
						|
  %cast = bitcast [100 x double]* %arr to i64*
 | 
						|
  %V = mul i64 %N, 8
 | 
						|
  %t = getelementptr i64, i64* %cast, i64 %V
 | 
						|
  %x = load i64, i64* %t
 | 
						|
  ret i64 %x
 | 
						|
}
 | 
						|
 | 
						|
; gep should be done in the original address space.
 | 
						|
define i64 @test_gep_bitcast_array_same_size_element_addrspacecast([100 x double]* %arr, i64 %N) {
 | 
						|
; CHECK-LABEL: @test_gep_bitcast_array_same_size_element_addrspacecast(
 | 
						|
; CHECK-NEXT:    [[V:%.*]] = shl i64 [[N:%.*]], 3
 | 
						|
; CHECK-NEXT:    [[T1:%.*]] = getelementptr [100 x double], [100 x double]* [[ARR:%.*]], i64 0, i64 [[V]]
 | 
						|
; CHECK-NEXT:    [[TMP1:%.*]] = bitcast double* [[T1]] to i64*
 | 
						|
; CHECK-NEXT:    [[T:%.*]] = addrspacecast i64* [[TMP1]] to i64 addrspace(3)*
 | 
						|
; CHECK-NEXT:    [[X:%.*]] = load i64, i64 addrspace(3)* [[T]], align 4
 | 
						|
; CHECK-NEXT:    ret i64 [[X]]
 | 
						|
;
 | 
						|
  %cast = addrspacecast [100 x double]* %arr to i64 addrspace(3)*
 | 
						|
  %V = mul i64 %N, 8
 | 
						|
  %t = getelementptr i64, i64 addrspace(3)* %cast, i64 %V
 | 
						|
  %x = load i64, i64 addrspace(3)* %t
 | 
						|
  ret i64 %x
 | 
						|
}
 | 
						|
 | 
						|
; The element size of the array is different the element size of the pointer
 | 
						|
define i8 @test_gep_bitcast_array_different_size_element([100 x double]* %arr, i64 %N) {
 | 
						|
; CHECK-LABEL: @test_gep_bitcast_array_different_size_element(
 | 
						|
; CHECK-NEXT:    [[T1:%.*]] = getelementptr [100 x double], [100 x double]* [[ARR:%.*]], i64 0, i64 [[N:%.*]]
 | 
						|
; CHECK-NEXT:    [[T:%.*]] = bitcast double* [[T1]] to i8*
 | 
						|
; CHECK-NEXT:    [[X:%.*]] = load i8, i8* [[T]], align 1
 | 
						|
; CHECK-NEXT:    ret i8 [[X]]
 | 
						|
;
 | 
						|
  %cast = bitcast [100 x double]* %arr to i8*
 | 
						|
  %V = mul i64 %N, 8
 | 
						|
  %t = getelementptr i8, i8* %cast, i64 %V
 | 
						|
  %x = load i8, i8* %t
 | 
						|
  ret i8 %x
 | 
						|
}
 | 
						|
 | 
						|
define i64 @test_gep_bitcast_array_same_size_element_as1([100 x double] addrspace(1)* %arr, i16 %N) {
 | 
						|
; CHECK-LABEL: @test_gep_bitcast_array_same_size_element_as1(
 | 
						|
; CHECK-NEXT:    [[V:%.*]] = shl i16 [[N:%.*]], 3
 | 
						|
; CHECK-NEXT:    [[T1:%.*]] = getelementptr [100 x double], [100 x double] addrspace(1)* [[ARR:%.*]], i16 0, i16 [[V]]
 | 
						|
; CHECK-NEXT:    [[T:%.*]] = bitcast double addrspace(1)* [[T1]] to i64 addrspace(1)*
 | 
						|
; CHECK-NEXT:    [[X:%.*]] = load i64, i64 addrspace(1)* [[T]], align 4
 | 
						|
; CHECK-NEXT:    ret i64 [[X]]
 | 
						|
;
 | 
						|
  %cast = bitcast [100 x double] addrspace(1)* %arr to i64 addrspace(1)*
 | 
						|
  %V = mul i16 %N, 8
 | 
						|
  %t = getelementptr i64, i64 addrspace(1)* %cast, i16 %V
 | 
						|
  %x = load i64, i64 addrspace(1)* %t
 | 
						|
  ret i64 %x
 | 
						|
}
 | 
						|
 | 
						|
define i8 @test_gep_bitcast_array_different_size_element_as1([100 x double] addrspace(1)* %arr, i16 %N) {
 | 
						|
; CHECK-LABEL: @test_gep_bitcast_array_different_size_element_as1(
 | 
						|
; CHECK-NEXT:    [[T1:%.*]] = getelementptr [100 x double], [100 x double] addrspace(1)* [[ARR:%.*]], i16 0, i16 [[N:%.*]]
 | 
						|
; CHECK-NEXT:    [[T:%.*]] = bitcast double addrspace(1)* [[T1]] to i8 addrspace(1)*
 | 
						|
; CHECK-NEXT:    [[X:%.*]] = load i8, i8 addrspace(1)* [[T]], align 1
 | 
						|
; CHECK-NEXT:    ret i8 [[X]]
 | 
						|
;
 | 
						|
  %cast = bitcast [100 x double] addrspace(1)* %arr to i8 addrspace(1)*
 | 
						|
  %V = mul i16 %N, 8
 | 
						|
  %t = getelementptr i8, i8 addrspace(1)* %cast, i16 %V
 | 
						|
  %x = load i8, i8 addrspace(1)* %t
 | 
						|
  ret i8 %x
 | 
						|
}
 | 
						|
 | 
						|
define i64 @test40() {
 | 
						|
; CHECK-LABEL: @test40(
 | 
						|
; CHECK-NEXT:    ret i64 8
 | 
						|
;
 | 
						|
  %array = alloca [3 x i32], align 4
 | 
						|
  %gep = getelementptr inbounds [3 x i32], [3 x i32]* %array, i64 0, i64 2
 | 
						|
  %gepi8 = bitcast i32* %gep to i8*
 | 
						|
  %p = ptrtoint [3 x i32]* %array to i64
 | 
						|
  %np = sub i64 0, %p
 | 
						|
  %gep2 = getelementptr i8, i8* %gepi8, i64 %np
 | 
						|
  %ret = ptrtoint i8* %gep2 to i64
 | 
						|
  ret i64 %ret
 | 
						|
 | 
						|
}
 | 
						|
 | 
						|
define i16 @test41([3 x i32] addrspace(1)* %array) {
 | 
						|
; CHECK-LABEL: @test41(
 | 
						|
; CHECK-NEXT:    ret i16 8
 | 
						|
;
 | 
						|
  %gep = getelementptr inbounds [3 x i32], [3 x i32] addrspace(1)* %array, i16 0, i16 2
 | 
						|
  %gepi8 = bitcast i32 addrspace(1)* %gep to i8 addrspace(1)*
 | 
						|
  %p = ptrtoint [3 x i32] addrspace(1)* %array to i16
 | 
						|
  %np = sub i16 0, %p
 | 
						|
  %gep2 = getelementptr i8, i8 addrspace(1)* %gepi8, i16 %np
 | 
						|
  %ret = ptrtoint i8 addrspace(1)* %gep2 to i16
 | 
						|
  ret i16 %ret
 | 
						|
 | 
						|
}
 | 
						|
 | 
						|
define i8* @test42(i8* %c1, i8* %c2) {
 | 
						|
; CHECK-LABEL: @test42(
 | 
						|
; CHECK-NEXT:    [[PTRTOINT:%.*]] = ptrtoint i8* [[C1:%.*]] to i64
 | 
						|
; CHECK-NEXT:    [[TMP1:%.*]] = ptrtoint i8* [[C2:%.*]] to i64
 | 
						|
; CHECK-NEXT:    [[TMP2:%.*]] = sub i64 [[TMP1]], [[PTRTOINT]]
 | 
						|
; CHECK-NEXT:    [[GEP:%.*]] = inttoptr i64 [[TMP2]] to i8*
 | 
						|
; CHECK-NEXT:    ret i8* [[GEP]]
 | 
						|
;
 | 
						|
  %ptrtoint = ptrtoint i8* %c1 to i64
 | 
						|
  %sub = sub i64 0, %ptrtoint
 | 
						|
  %gep = getelementptr inbounds i8, i8* %c2, i64 %sub
 | 
						|
  ret i8* %gep
 | 
						|
 | 
						|
}
 | 
						|
 | 
						|
define i16* @test43(i16* %c1, i16* %c2) {
 | 
						|
; CHECK-LABEL: @test43(
 | 
						|
; CHECK-NEXT:    [[PTRTOINT:%.*]] = ptrtoint i16* [[C1:%.*]] to i64
 | 
						|
; CHECK-NEXT:    [[TMP1:%.*]] = ptrtoint i16* [[C2:%.*]] to i64
 | 
						|
; CHECK-NEXT:    [[TMP2:%.*]] = sub i64 [[TMP1]], [[PTRTOINT]]
 | 
						|
; CHECK-NEXT:    [[GEP:%.*]] = inttoptr i64 [[TMP2]] to i16*
 | 
						|
; CHECK-NEXT:    ret i16* [[GEP]]
 | 
						|
;
 | 
						|
  %ptrtoint = ptrtoint i16* %c1 to i64
 | 
						|
  %sub = sub i64 0, %ptrtoint
 | 
						|
  %shr = ashr i64 %sub, 1
 | 
						|
  %gep = getelementptr inbounds i16, i16* %c2, i64 %shr
 | 
						|
  ret i16* %gep
 | 
						|
 | 
						|
}
 | 
						|
 | 
						|
define %struct.C* @test44(%struct.C* %c1, %struct.C* %c2) {
 | 
						|
; CHECK-LABEL: @test44(
 | 
						|
; CHECK-NEXT:    [[PTRTOINT:%.*]] = ptrtoint %struct.C* [[C1:%.*]] to i64
 | 
						|
; CHECK-NEXT:    [[TMP1:%.*]] = ptrtoint %struct.C* [[C2:%.*]] to i64
 | 
						|
; CHECK-NEXT:    [[TMP2:%.*]] = sub i64 [[TMP1]], [[PTRTOINT]]
 | 
						|
; CHECK-NEXT:    [[GEP:%.*]] = inttoptr i64 [[TMP2]] to %struct.C*
 | 
						|
; CHECK-NEXT:    ret %struct.C* [[GEP]]
 | 
						|
;
 | 
						|
  %ptrtoint = ptrtoint %struct.C* %c1 to i64
 | 
						|
  %sub = sub i64 0, %ptrtoint
 | 
						|
  %shr = sdiv i64 %sub, 7
 | 
						|
  %gep = getelementptr inbounds %struct.C, %struct.C* %c2, i64 %shr
 | 
						|
  ret %struct.C* %gep
 | 
						|
 | 
						|
}
 | 
						|
 | 
						|
define %struct.C* @test45(%struct.C* %c1, %struct.C** %c2) {
 | 
						|
; CHECK-LABEL: @test45(
 | 
						|
; CHECK-NEXT:    [[GEP:%.*]] = bitcast %struct.C** [[C2:%.*]] to %struct.C*
 | 
						|
; CHECK-NEXT:    ret %struct.C* [[GEP]]
 | 
						|
;
 | 
						|
  %ptrtoint1 = ptrtoint %struct.C* %c1 to i64
 | 
						|
  %ptrtoint2 = ptrtoint %struct.C** %c2 to i64
 | 
						|
  %sub = sub i64 %ptrtoint2, %ptrtoint1 ; C2 - C1
 | 
						|
  %shr = sdiv i64 %sub, 7
 | 
						|
  %gep = getelementptr inbounds %struct.C, %struct.C* %c1, i64 %shr ; C1 + (C2 - C1)
 | 
						|
  ret %struct.C* %gep
 | 
						|
 | 
						|
}
 | 
						|
 | 
						|
define %struct.C* @test46(%struct.C* %c1, %struct.C* %c2, i64 %N) {
 | 
						|
; CHECK-LABEL: @test46(
 | 
						|
; CHECK-NEXT:    [[PTRTOINT:%.*]] = ptrtoint %struct.C* [[C1:%.*]] to i64
 | 
						|
; CHECK-NEXT:    [[SUB:%.*]] = sub i64 0, [[PTRTOINT]]
 | 
						|
; CHECK-NEXT:    [[SDIV:%.*]] = sdiv i64 [[SUB]], [[N:%.*]]
 | 
						|
; CHECK-NEXT:    [[GEP:%.*]] = getelementptr inbounds [[STRUCT_C:%.*]], %struct.C* [[C2:%.*]], i64 [[SDIV]]
 | 
						|
; CHECK-NEXT:    ret %struct.C* [[GEP]]
 | 
						|
;
 | 
						|
  %ptrtoint = ptrtoint %struct.C* %c1 to i64
 | 
						|
  %sub = sub i64 0, %ptrtoint
 | 
						|
  %sdiv = sdiv i64 %sub, %N
 | 
						|
  %gep = getelementptr inbounds %struct.C, %struct.C* %c2, i64 %sdiv
 | 
						|
  ret %struct.C* %gep
 | 
						|
 | 
						|
}
 | 
						|
 | 
						|
define i32* @test47(i32* %I, i64 %C, i64 %D) {
 | 
						|
; CHECK-LABEL: @test47(
 | 
						|
; CHECK-NEXT:    [[B:%.*]] = getelementptr i32, i32* [[I:%.*]], i64 [[D:%.*]]
 | 
						|
; CHECK-NEXT:    ret i32* [[B]]
 | 
						|
;
 | 
						|
  %sub = sub i64 %D, %C
 | 
						|
  %A = getelementptr i32, i32* %I, i64 %C
 | 
						|
  %B = getelementptr i32, i32* %A, i64 %sub
 | 
						|
  ret i32* %B
 | 
						|
}
 | 
						|
 | 
						|
define i32* @test48(i32* %I, i64 %C, i64 %D) {
 | 
						|
; CHECK-LABEL: @test48(
 | 
						|
; CHECK-NEXT:    [[B:%.*]] = getelementptr i32, i32* [[I:%.*]], i64 [[D:%.*]]
 | 
						|
; CHECK-NEXT:    ret i32* [[B]]
 | 
						|
;
 | 
						|
  %sub = sub i64 %D, %C
 | 
						|
  %A = getelementptr i32, i32* %I, i64 %sub
 | 
						|
  %B = getelementptr i32, i32* %A, i64 %C
 | 
						|
  ret i32* %B
 | 
						|
}
 | 
						|
 | 
						|
define i32* @test49(i32* %I, i64 %C) {
 | 
						|
; CHECK-LABEL: @test49(
 | 
						|
; CHECK-NEXT:    [[B:%.*]] = getelementptr i32, i32* [[I:%.*]], i64 -1
 | 
						|
; CHECK-NEXT:    ret i32* [[B]]
 | 
						|
;
 | 
						|
  %notC = xor i64 -1, %C
 | 
						|
  %A = getelementptr i32, i32* %I, i64 %C
 | 
						|
  %B = getelementptr i32, i32* %A, i64 %notC
 | 
						|
  ret i32* %B
 | 
						|
}
 | 
						|
 | 
						|
define i32 addrspace(1)* @ascast_0_gep(i32* %p) nounwind {
 | 
						|
; CHECK-LABEL: @ascast_0_gep(
 | 
						|
; CHECK-NEXT:    [[X:%.*]] = addrspacecast i32* [[P:%.*]] to i32 addrspace(1)*
 | 
						|
; CHECK-NEXT:    ret i32 addrspace(1)* [[X]]
 | 
						|
;
 | 
						|
  %gep = getelementptr i32, i32* %p, i32 0
 | 
						|
  %x = addrspacecast i32* %gep to i32 addrspace(1)*
 | 
						|
  ret i32 addrspace(1)* %x
 | 
						|
}
 | 
						|
 | 
						|
; Do not merge the GEP and the addrspacecast, because it would undo the
 | 
						|
; addrspacecast canonicalization.
 | 
						|
define i32 addrspace(1)* @ascast_0_0_gep([128 x i32]* %p) nounwind {
 | 
						|
; CHECK-LABEL: @ascast_0_0_gep(
 | 
						|
; CHECK-NEXT:    [[GEP:%.*]] = getelementptr [128 x i32], [128 x i32]* [[P:%.*]], i64 0, i64 0
 | 
						|
; CHECK-NEXT:    [[X:%.*]] = addrspacecast i32* [[GEP]] to i32 addrspace(1)*
 | 
						|
; CHECK-NEXT:    ret i32 addrspace(1)* [[X]]
 | 
						|
;
 | 
						|
  %gep = getelementptr [128 x i32], [128 x i32]* %p, i32 0, i32 0
 | 
						|
  %x = addrspacecast i32* %gep to i32 addrspace(1)*
 | 
						|
  ret i32 addrspace(1)* %x
 | 
						|
}
 | 
						|
 | 
						|
define <2 x i32*> @PR32414(i32** %ptr) {
 | 
						|
; CHECK-LABEL: @PR32414(
 | 
						|
; CHECK-NEXT:    [[TMP0:%.*]] = bitcast i32** [[PTR:%.*]] to i32*
 | 
						|
; CHECK-NEXT:    [[TMP1:%.*]] = getelementptr inbounds i32, i32* [[TMP0]], <2 x i64> <i64 0, i64 1>
 | 
						|
; CHECK-NEXT:    ret <2 x i32*> [[TMP1]]
 | 
						|
;
 | 
						|
  %tmp0 = bitcast i32** %ptr to i32*
 | 
						|
  %tmp1 = getelementptr inbounds i32, i32* %tmp0, <2 x i64> <i64 0, i64 1>
 | 
						|
  ret <2 x i32*> %tmp1
 | 
						|
}
 | 
						|
 | 
						|
define i32* @test_bitcast_nzgep([1 x i32]* %base, i64 %idx) {
 | 
						|
; CHECK-LABEL: @test_bitcast_nzgep(
 | 
						|
; CHECK-NEXT:    [[PTR:%.*]] = getelementptr inbounds [1 x i32], [1 x i32]* [[BASE:%.*]], i64 0, i64 [[IDX:%.*]]
 | 
						|
; CHECK-NEXT:    ret i32* [[PTR]]
 | 
						|
;
 | 
						|
  %base2 = bitcast [1 x i32]* %base to i32*
 | 
						|
  %ptr = getelementptr inbounds i32, i32* %base2, i64 %idx
 | 
						|
  ret i32* %ptr
 | 
						|
}
 | 
						|
 | 
						|
define i32* @test_zgep_nzgep([1 x i32]* %base, i64 %idx) {
 | 
						|
; CHECK-LABEL: @test_zgep_nzgep(
 | 
						|
; CHECK-NEXT:    [[PTR:%.*]] = getelementptr inbounds [1 x i32], [1 x i32]* [[BASE:%.*]], i64 0, i64 [[IDX:%.*]]
 | 
						|
; CHECK-NEXT:    ret i32* [[PTR]]
 | 
						|
;
 | 
						|
  %base2 = getelementptr [1 x i32], [1 x i32]* %base, i64 0, i64 0
 | 
						|
  %ptr = getelementptr inbounds i32, i32* %base2, i64 %idx
 | 
						|
  ret i32* %ptr
 | 
						|
}
 | 
						|
 | 
						|
define i32* @test_nzgep_zgep([1 x i32]* %base, i64 %idx) {
 | 
						|
; CHECK-LABEL: @test_nzgep_zgep(
 | 
						|
; CHECK-NEXT:    [[PTR:%.*]] = getelementptr inbounds [1 x i32], [1 x i32]* [[BASE:%.*]], i64 [[IDX:%.*]], i64 0
 | 
						|
; CHECK-NEXT:    ret i32* [[PTR]]
 | 
						|
;
 | 
						|
  %base2 = getelementptr inbounds [1 x i32], [1 x i32]* %base, i64 %idx
 | 
						|
  %ptr = getelementptr [1 x i32], [1 x i32]* %base2, i64 0, i64 0
 | 
						|
  ret i32* %ptr
 | 
						|
}
 | 
						|
 | 
						|
define i32* @test_gep_inbounds_of_gep(i32* %base) {
 | 
						|
; CHECK-LABEL: @test_gep_inbounds_of_gep(
 | 
						|
; CHECK-NEXT:    [[PTR2:%.*]] = getelementptr i32, i32* [[BASE:%.*]], i64 8
 | 
						|
; CHECK-NEXT:    ret i32* [[PTR2]]
 | 
						|
;
 | 
						|
  %ptr1 = getelementptr i32, i32* %base, i64 4
 | 
						|
  %ptr2 = getelementptr inbounds i32, i32* %ptr1, i64 4
 | 
						|
  ret i32* %ptr2
 | 
						|
}
 | 
						|
 | 
						|
%struct.f = type { i32 }
 | 
						|
 | 
						|
@g0 = internal unnamed_addr constant %struct.f zeroinitializer, align 4
 | 
						|
@g1 = internal unnamed_addr constant %struct.f { i32 -1 }, align 4
 | 
						|
 | 
						|
define i32* @PR45084(i1 %cond) {
 | 
						|
; CHECK-LABEL: @PR45084(
 | 
						|
; CHECK-NEXT:    [[GEP:%.*]] = select i1 [[COND:%.*]], i32* getelementptr inbounds (%struct.f, %struct.f* @g0, i64 0, i32 0), i32* getelementptr inbounds (%struct.f, %struct.f* @g1, i64 0, i32 0), !prof !0
 | 
						|
; CHECK-NEXT:    ret i32* [[GEP]]
 | 
						|
;
 | 
						|
  %sel = select i1 %cond, %struct.f* @g0, %struct.f* @g1, !prof !0
 | 
						|
  %gep = getelementptr inbounds %struct.f, %struct.f* %sel, i64 0, i32 0
 | 
						|
  ret i32* %gep
 | 
						|
}
 | 
						|
 | 
						|
define i32* @PR45084_extra_use(i1 %cond, %struct.f** %p) {
 | 
						|
; CHECK-LABEL: @PR45084_extra_use(
 | 
						|
; CHECK-NEXT:    [[SEL:%.*]] = select i1 [[COND:%.*]], %struct.f* @g0, %struct.f* @g1
 | 
						|
; CHECK-NEXT:    store %struct.f* [[SEL]], %struct.f** [[P:%.*]], align 8
 | 
						|
; CHECK-NEXT:    [[GEP:%.*]] = select i1 [[COND]], i32* getelementptr inbounds (%struct.f, %struct.f* @g0, i64 0, i32 0), i32* getelementptr inbounds (%struct.f, %struct.f* @g1, i64 0, i32 0)
 | 
						|
; CHECK-NEXT:    ret i32* [[GEP]]
 | 
						|
;
 | 
						|
  %sel = select i1 %cond, %struct.f* @g0, %struct.f* @g1
 | 
						|
  store %struct.f* %sel, %struct.f** %p
 | 
						|
  %gep = getelementptr %struct.f, %struct.f* %sel, i64 0, i32 0
 | 
						|
  ret i32* %gep
 | 
						|
}
 | 
						|
 | 
						|
!0 = !{!"branch_weights", i32 2, i32 10}
 |