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24 lines
602 B
LLVM
24 lines
602 B
LLVM
; RUN: llc < %s -mtriple=x86_64-apple-macosx10.7.0 -verify-machineinstrs | FileCheck %s
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; RUN: llc < %s -mtriple=x86_64-apple-macosx10.7.0 -O0 | FileCheck %s
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define void @test1(i32* %ptr, i32 %val1) {
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; CHECK: test1
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; CHECK: xchgl %esi, (%rdi)
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store atomic i32 %val1, i32* %ptr seq_cst, align 4
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ret void
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}
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define void @test2(i32* %ptr, i32 %val1) {
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; CHECK: test2
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; CHECK: movl %esi, (%rdi)
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store atomic i32 %val1, i32* %ptr release, align 4
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ret void
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}
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define i32 @test3(i32* %ptr) {
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; CHECK: test3
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; CHECK: movl (%rdi), %eax
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%val = load atomic i32* %ptr seq_cst, align 4
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ret i32 %val
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}
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