diff options
| -rw-r--r-- | test/CodeGen/X86/atomic-load-store.ll | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/test/CodeGen/X86/atomic-load-store.ll b/test/CodeGen/X86/atomic-load-store.ll new file mode 100644 index 0000000000..7738ace4ff --- /dev/null +++ b/test/CodeGen/X86/atomic-load-store.ll @@ -0,0 +1,22 @@ +; RUN: llc < %s -mtriple=x86_64-apple-macosx10.7.0 | FileCheck %s + +define void @test1(i32* %ptr, i32 %val1) { +; CHECK: test1 +; CHECK: xchgl %esi, (%rdi) + store atomic i32 %val1, i32* %ptr seq_cst, align 4 + ret void +} + +define void @test2(i32* %ptr, i32 %val1) { +; CHECK: test2 +; CHECK: movl %esi, (%rdi) + store atomic i32 %val1, i32* %ptr release, align 4 + ret void +} + +define i32 @test3(i32* %ptr) { +; CHECK: test3 +; CHECK: movl (%rdi), %eax + %val = load atomic i32* %ptr seq_cst, align 4 + ret i32 %val +} |