1 files changed, 8 insertions, 0 deletions
diff --git a/clang/test/CodeGen/ms-inline-asm.c b/clang/test/CodeGen/ms-inline-asm.c
index 6db0cff50d0..69b732c9acc 100644
--- a/clang/test/CodeGen/ms-inline-asm.c
+++ b/clang/test/CodeGen/ms-inline-asm.c
@@ -649,6 +649,14 @@ void label6(){
   // CHECK: call void asm sideeffect inteldialect "jmp {{.*}}__MSASMLABEL_.${:uid}__label\0A\09{{.*}}__MSASMLABEL_.${:uid}__label:", "~{dirflag},~{fpsr},~{flags}"()
 }
 
+// Don't include mxcsr in the clobber list.
+void mxcsr() {
+  char buf[4096];
+  __asm fxrstor buf
+}
+// CHECK-LABEL: define void @mxcsr
+// CHECK: call void asm sideeffect inteldialect "fxrstor byte ptr $0", "=*m,~{dirflag},~{fpsr},~{flags}"
+
 typedef union _LARGE_INTEGER {
   struct {
     unsigned int LowPart;