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-rw-r--r--llvm/test/CodeGen/X86/atomic-load-store.ll22
1 files changed, 22 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/atomic-load-store.ll b/llvm/test/CodeGen/X86/atomic-load-store.ll
new file mode 100644
index 00000000000..7738ace4ff1
--- /dev/null
+++ b/llvm/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
+}
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