118 lines
		
	
	
		
			6.2 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			118 lines
		
	
	
		
			6.2 KiB
		
	
	
	
		
			LLVM
		
	
	
	
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes
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; RUN: opt -attributor -enable-new-pm=0 -attributor-manifest-internal  -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=3 -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_CGSCC_NPM,NOT_CGSCC_OPM,NOT_TUNIT_NPM,IS__TUNIT____,IS________OPM,IS__TUNIT_OPM
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; RUN: opt -aa-pipeline=basic-aa -passes=attributor -attributor-manifest-internal  -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=3 -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_CGSCC_OPM,NOT_CGSCC_NPM,NOT_TUNIT_OPM,IS__TUNIT____,IS________NPM,IS__TUNIT_NPM
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; TODO: The old pass manager cgscc run is disabled as it causes a crash on windows which is under investigation: http://lab.llvm.org:8011/builders/llvm-clang-x86_64-expensive-checks-win/builds/23151
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; opt -attributor-cgscc -enable-new-pm=0 -attributor-manifest-internal  -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_TUNIT_NPM,NOT_TUNIT_OPM,NOT_CGSCC_NPM,IS__CGSCC____,IS________OPM,IS__CGSCC_OPM
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; RUN: opt -aa-pipeline=basic-aa -passes=attributor-cgscc -attributor-manifest-internal  -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_TUNIT_NPM,NOT_TUNIT_OPM,NOT_CGSCC_OPM,IS__CGSCC____,IS________NPM,IS__CGSCC_NPM
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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%union.u = type { x86_fp80 }
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%struct.s = type { double, i16, i8, [5 x i8] }
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@b = internal global %struct.s { double 3.14, i16 9439, i8 25, [5 x i8] undef }, align 16
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%struct.Foo = type { i32, i64 }
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@a = internal global %struct.Foo { i32 1, i64 2 }, align 8
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define void @run() {
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; NOT_CGSCC_NPM: Function Attrs: nofree noreturn nosync nounwind readnone
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; NOT_CGSCC_NPM-LABEL: define {{[^@]+}}@run
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; NOT_CGSCC_NPM-SAME: () [[ATTR0:#.*]] {
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; NOT_CGSCC_NPM-NEXT:  entry:
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; NOT_CGSCC_NPM-NEXT:    unreachable
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;
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; IS__CGSCC____: Function Attrs: nofree norecurse noreturn nosync nounwind readonly willreturn
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; IS__CGSCC____-LABEL: define {{[^@]+}}@run
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; IS__CGSCC____-SAME: () [[ATTR0:#.*]] {
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; IS__CGSCC____-NEXT:  entry:
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; IS__CGSCC____-NEXT:    unreachable
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;
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entry:
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  tail call i8 @UseLongDoubleUnsafely(%union.u* byval(%union.u) align 16 bitcast (%struct.s* @b to %union.u*))
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  tail call x86_fp80 @UseLongDoubleSafely(%union.u* byval(%union.u) align 16 bitcast (%struct.s* @b to %union.u*))
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  call i64 @AccessPaddingOfStruct(%struct.Foo* @a)
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  call i64 @CaptureAStruct(%struct.Foo* @a)
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  ret void
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}
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define internal i8 @UseLongDoubleUnsafely(%union.u* byval(%union.u) align 16 %arg) {
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; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
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; IS__CGSCC____-LABEL: define {{[^@]+}}@UseLongDoubleUnsafely
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; IS__CGSCC____-SAME: () [[ATTR1:#.*]] {
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; IS__CGSCC____-NEXT:  entry:
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; IS__CGSCC____-NEXT:    ret i8 undef
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;
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entry:
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  %bitcast = bitcast %union.u* %arg to %struct.s*
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  %gep = getelementptr inbounds %struct.s, %struct.s* %bitcast, i64 0, i32 2
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  %result = load i8, i8* %gep
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  ret i8 %result
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}
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define internal x86_fp80 @UseLongDoubleSafely(%union.u* byval(%union.u) align 16 %arg) {
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; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
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; IS__CGSCC____-LABEL: define {{[^@]+}}@UseLongDoubleSafely
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; IS__CGSCC____-SAME: () [[ATTR1]] {
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; IS__CGSCC____-NEXT:    ret x86_fp80 undef
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;
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  %gep = getelementptr inbounds %union.u, %union.u* %arg, i64 0, i32 0
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  %fp80 = load x86_fp80, x86_fp80* %gep
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  ret x86_fp80 %fp80
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}
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define internal i64 @AccessPaddingOfStruct(%struct.Foo* byval(%struct.Foo) %a) {
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; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
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; IS__CGSCC____-LABEL: define {{[^@]+}}@AccessPaddingOfStruct
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; IS__CGSCC____-SAME: () [[ATTR1]] {
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; IS__CGSCC____-NEXT:    ret i64 undef
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;
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  %p = bitcast %struct.Foo* %a to i64*
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  %v = load i64, i64* %p
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  ret i64 %v
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}
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define internal i64 @CaptureAStruct(%struct.Foo* byval(%struct.Foo) %a) {
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; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@CaptureAStruct
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; IS__CGSCC_OPM-SAME: (%struct.Foo* noalias nofree byval(%struct.Foo) [[A:%.*]])
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; IS__CGSCC_OPM-NEXT:  entry:
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; IS__CGSCC_OPM-NEXT:    [[A_PTR:%.*]] = alloca %struct.Foo*
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; IS__CGSCC_OPM-NEXT:    br label [[LOOP:%.*]]
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; IS__CGSCC_OPM:       loop:
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; IS__CGSCC_OPM-NEXT:    [[PHI:%.*]] = phi %struct.Foo* [ null, [[ENTRY:%.*]] ], [ [[GEP:%.*]], [[LOOP]] ]
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; IS__CGSCC_OPM-NEXT:    [[TMP0:%.*]] = phi %struct.Foo* [ [[A]], [[ENTRY]] ], [ [[TMP0]], [[LOOP]] ]
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; IS__CGSCC_OPM-NEXT:    store %struct.Foo* [[PHI]], %struct.Foo** [[A_PTR]], align 8
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; IS__CGSCC_OPM-NEXT:    [[GEP]] = getelementptr [[STRUCT_FOO:%.*]], %struct.Foo* [[A]], i64 0
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; IS__CGSCC_OPM-NEXT:    br label [[LOOP]]
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;
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; IS__CGSCC____: Function Attrs: nofree norecurse noreturn nosync nounwind readnone
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; IS__CGSCC____-LABEL: define {{[^@]+}}@CaptureAStruct
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; IS__CGSCC____-SAME: (i32 [[TMP0:%.*]], i64 [[TMP1:%.*]]) [[ATTR2:#.*]] {
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; IS__CGSCC____-NEXT:  entry:
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; IS__CGSCC____-NEXT:    [[A_PRIV:%.*]] = alloca [[STRUCT_FOO:%.*]], align 8
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; IS__CGSCC____-NEXT:    [[A_PRIV_CAST:%.*]] = bitcast %struct.Foo* [[A_PRIV]] to i32*
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; IS__CGSCC____-NEXT:    store i32 [[TMP0]], i32* [[A_PRIV_CAST]], align 8
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; IS__CGSCC____-NEXT:    [[A_PRIV_0_1:%.*]] = getelementptr [[STRUCT_FOO]], %struct.Foo* [[A_PRIV]], i32 0, i32 1
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; IS__CGSCC____-NEXT:    store i64 [[TMP1]], i64* [[A_PRIV_0_1]], align 8
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; IS__CGSCC____-NEXT:    [[A_PTR:%.*]] = alloca %struct.Foo*, align 8
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; IS__CGSCC____-NEXT:    br label [[LOOP:%.*]]
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; IS__CGSCC____:       loop:
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; IS__CGSCC____-NEXT:    [[PHI:%.*]] = phi %struct.Foo* [ null, [[ENTRY:%.*]] ], [ [[GEP:%.*]], [[LOOP]] ]
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; IS__CGSCC____-NEXT:    [[TMP2:%.*]] = phi %struct.Foo* [ [[A_PRIV]], [[ENTRY]] ], [ [[TMP2]], [[LOOP]] ]
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; IS__CGSCC____-NEXT:    store %struct.Foo* [[PHI]], %struct.Foo** [[A_PTR]], align 8
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; IS__CGSCC____-NEXT:    [[GEP]] = getelementptr [[STRUCT_FOO]], %struct.Foo* [[A_PRIV]], i64 0
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; IS__CGSCC____-NEXT:    br label [[LOOP]]
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;
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entry:
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  %a_ptr = alloca %struct.Foo*
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  br label %loop
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loop:
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  %phi = phi %struct.Foo* [ null, %entry ], [ %gep, %loop ]
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  %0   = phi %struct.Foo* [ %a, %entry ],   [ %0, %loop ]
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  store %struct.Foo* %phi, %struct.Foo** %a_ptr
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  %gep = getelementptr %struct.Foo, %struct.Foo* %a, i64 0
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  br label %loop
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}
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