forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			181 lines
		
	
	
		
			4.6 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			181 lines
		
	
	
		
			4.6 KiB
		
	
	
	
		
			LLVM
		
	
	
	
; Test additions between an i64 and a zero-extended i32.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
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declare i64 @foo()
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; Check ALGFR.
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define i64 @f1(i64 %a, i32 %b) {
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; CHECK-LABEL: f1:
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; CHECK: algfr %r2, %r3
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; CHECK: br %r14
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  %bext = zext i32 %b to i64
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  %add = add i64 %a, %bext
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  ret i64 %add
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}
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; Check ALGF with no displacement.
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define i64 @f2(i64 %a, i32 *%src) {
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; CHECK-LABEL: f2:
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; CHECK: algf %r2, 0(%r3)
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; CHECK: br %r14
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  %b = load i32 *%src
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  %bext = zext i32 %b to i64
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  %add = add i64 %a, %bext
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  ret i64 %add
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}
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; Check the high end of the aligned ALGF range.
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define i64 @f3(i64 %a, i32 *%src) {
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; CHECK-LABEL: f3:
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; CHECK: algf %r2, 524284(%r3)
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; CHECK: br %r14
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  %ptr = getelementptr i32 *%src, i64 131071
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  %b = load i32 *%ptr
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  %bext = zext i32 %b to i64
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  %add = add i64 %a, %bext
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  ret i64 %add
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}
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; Check the next word up, which needs separate address logic.
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; Other sequences besides this one would be OK.
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define i64 @f4(i64 %a, i32 *%src) {
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; CHECK-LABEL: f4:
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; CHECK: agfi %r3, 524288
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; CHECK: algf %r2, 0(%r3)
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; CHECK: br %r14
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  %ptr = getelementptr i32 *%src, i64 131072
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  %b = load i32 *%ptr
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  %bext = zext i32 %b to i64
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  %add = add i64 %a, %bext
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  ret i64 %add
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}
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; Check the high end of the negative aligned ALGF range.
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define i64 @f5(i64 %a, i32 *%src) {
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; CHECK-LABEL: f5:
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; CHECK: algf %r2, -4(%r3)
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; CHECK: br %r14
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  %ptr = getelementptr i32 *%src, i64 -1
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  %b = load i32 *%ptr
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  %bext = zext i32 %b to i64
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  %add = add i64 %a, %bext
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  ret i64 %add
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}
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; Check the low end of the ALGF range.
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define i64 @f6(i64 %a, i32 *%src) {
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; CHECK-LABEL: f6:
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; CHECK: algf %r2, -524288(%r3)
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; CHECK: br %r14
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  %ptr = getelementptr i32 *%src, i64 -131072
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  %b = load i32 *%ptr
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  %bext = zext i32 %b to i64
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  %add = add i64 %a, %bext
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  ret i64 %add
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}
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; Check the next word down, which needs separate address logic.
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; Other sequences besides this one would be OK.
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define i64 @f7(i64 %a, i32 *%src) {
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; CHECK-LABEL: f7:
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; CHECK: agfi %r3, -524292
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; CHECK: algf %r2, 0(%r3)
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; CHECK: br %r14
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  %ptr = getelementptr i32 *%src, i64 -131073
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  %b = load i32 *%ptr
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  %bext = zext i32 %b to i64
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  %add = add i64 %a, %bext
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  ret i64 %add
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}
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; Check that ALGF allows an index.
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define i64 @f8(i64 %a, i64 %src, i64 %index) {
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; CHECK-LABEL: f8:
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; CHECK: algf %r2, 524284({{%r4,%r3|%r3,%r4}})
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; CHECK: br %r14
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  %add1 = add i64 %src, %index
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  %add2 = add i64 %add1, 524284
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  %ptr = inttoptr i64 %add2 to i32 *
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  %b = load i32 *%ptr
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  %bext = zext i32 %b to i64
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  %add = add i64 %a, %bext
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  ret i64 %add
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}
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; Check that additions of spilled values can use ALGF rather than ALGFR.
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define i64 @f9(i32 *%ptr0) {
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; CHECK-LABEL: f9:
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; CHECK: brasl %r14, foo@PLT
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; CHECK: algf %r2, 16{{[04]}}(%r15)
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; CHECK: br %r14
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  %ptr1 = getelementptr i32 *%ptr0, i64 2
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  %ptr2 = getelementptr i32 *%ptr0, i64 4
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  %ptr3 = getelementptr i32 *%ptr0, i64 6
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  %ptr4 = getelementptr i32 *%ptr0, i64 8
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  %ptr5 = getelementptr i32 *%ptr0, i64 10
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  %ptr6 = getelementptr i32 *%ptr0, i64 12
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  %ptr7 = getelementptr i32 *%ptr0, i64 14
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  %ptr8 = getelementptr i32 *%ptr0, i64 16
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  %ptr9 = getelementptr i32 *%ptr0, i64 18
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  %val0 = load i32 *%ptr0
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  %val1 = load i32 *%ptr1
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  %val2 = load i32 *%ptr2
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  %val3 = load i32 *%ptr3
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  %val4 = load i32 *%ptr4
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  %val5 = load i32 *%ptr5
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  %val6 = load i32 *%ptr6
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  %val7 = load i32 *%ptr7
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  %val8 = load i32 *%ptr8
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  %val9 = load i32 *%ptr9
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  %frob0 = add i32 %val0, 100
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  %frob1 = add i32 %val1, 100
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  %frob2 = add i32 %val2, 100
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  %frob3 = add i32 %val3, 100
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  %frob4 = add i32 %val4, 100
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  %frob5 = add i32 %val5, 100
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  %frob6 = add i32 %val6, 100
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  %frob7 = add i32 %val7, 100
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  %frob8 = add i32 %val8, 100
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  %frob9 = add i32 %val9, 100
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  store i32 %frob0, i32 *%ptr0
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  store i32 %frob1, i32 *%ptr1
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  store i32 %frob2, i32 *%ptr2
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  store i32 %frob3, i32 *%ptr3
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  store i32 %frob4, i32 *%ptr4
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  store i32 %frob5, i32 *%ptr5
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  store i32 %frob6, i32 *%ptr6
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  store i32 %frob7, i32 *%ptr7
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  store i32 %frob8, i32 *%ptr8
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  store i32 %frob9, i32 *%ptr9
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  %ret = call i64 @foo()
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  %ext0 = zext i32 %frob0 to i64
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  %ext1 = zext i32 %frob1 to i64
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  %ext2 = zext i32 %frob2 to i64
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  %ext3 = zext i32 %frob3 to i64
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  %ext4 = zext i32 %frob4 to i64
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  %ext5 = zext i32 %frob5 to i64
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  %ext6 = zext i32 %frob6 to i64
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  %ext7 = zext i32 %frob7 to i64
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  %ext8 = zext i32 %frob8 to i64
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  %ext9 = zext i32 %frob9 to i64
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  %add0 = add i64 %ret, %ext0
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  %add1 = add i64 %add0, %ext1
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  %add2 = add i64 %add1, %ext2
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  %add3 = add i64 %add2, %ext3
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  %add4 = add i64 %add3, %ext4
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  %add5 = add i64 %add4, %ext5
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  %add6 = add i64 %add5, %ext6
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  %add7 = add i64 %add6, %ext7
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  %add8 = add i64 %add7, %ext8
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  %add9 = add i64 %add8, %ext9
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  ret i64 %add9
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}
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