1 files changed, 17 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/volatile.ll b/llvm/test/CodeGen/X86/volatile.ll
new file mode 100644
index 00000000000..e40f87b30e4
--- /dev/null
+++ b/llvm/test/CodeGen/X86/volatile.ll
@@ -0,0 +1,17 @@
+; RUN: llvm-as < %s | llc -march=x86 -mattr=sse2 | grep movsd | count 5
+; RUN: llvm-as < %s | llc -march=x86 -mattr=sse2 -fast | grep movsd | count 5
+
+@x = external global double
+
+define void @foo() nounwind  {
+  %a = volatile load double* @x
+  volatile store double 0.0, double* @x
+  volatile store double 0.0, double* @x
+  %b = volatile load double* @x
+  ret void
+}
+
+define void @bar() nounwind  {
+  %c = volatile load double* @x
+  ret void
+}