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30 lines
643 B
LLVM
30 lines
643 B
LLVM
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; RUN: llc -mtriple=i686-- -no-integrated-as < %s | FileCheck %s
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declare void @bar(i32* %junk)
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define i32 @foo(i1 %cond) {
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entry:
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%r = alloca i32, align 128
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store i32 -1, i32* %r, align 128
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br i1 %cond, label %doit, label %skip
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doit:
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call void asm sideeffect "xor %ecx, %ecx\0A\09mov %ecx, $0", "=*m,~{ecx},~{flags}"(i32* %r)
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%junk = alloca i32
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call void @bar(i32* %junk)
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br label %skip
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skip:
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%0 = load i32, i32* %r, align 128
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ret i32 %0
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}
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; CHECK-LABEL: foo:
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; CHECK: pushl %ebp
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; CHECK: andl $-128, %esp
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; CHECK: xor %ecx, %ecx
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; CHECK-NEXT: mov %ecx, (%esi)
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; CHECK: movl (%esi), %eax
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; CHECK: popl %ebp
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; CHECK: ret
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