[llvm-commits] [llvm] r138486 - /llvm/trunk/test/CodeGen/X86/atomic-load-store.ll

[Eli Friedman]

Author: efriedma
Date: Wed Aug 24 16:16:59 2011
New Revision: 138486

URL: http://llvm.org/viewvc/llvm-project?rev=138486&view=rev
Log:
Basic tests for atomic load and store on x86.


Added:
    llvm/trunk/test/CodeGen/X86/atomic-load-store.ll

Added: llvm/trunk/test/CodeGen/X86/atomic-load-store.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/atomic-load-store.ll?rev=138486&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/X86/atomic-load-store.ll (added)
+++ llvm/trunk/test/CodeGen/X86/atomic-load-store.ll Wed Aug 24 16:16:59 2011
@@ -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
+}