1 files changed, 21 insertions, 0 deletions
diff --git a/test/CodeGen/Generic/inline-asm-mem-clobber.ll b/test/CodeGen/Generic/inline-asm-mem-clobber.ll
new file mode 100644
index 0000000..e523d03
--- /dev/null
+++ b/test/CodeGen/Generic/inline-asm-mem-clobber.ll
@@ -0,0 +1,21 @@
+; RUN: llc -O2 < %s | FileCheck %s
+
+@G = common global i32 0, align 4
+
+define i32 @foo(i8* %p) nounwind uwtable {
+entry:
+  %p.addr = alloca i8*, align 8
+  %rv = alloca i32, align 4
+  store i8* %p, i8** %p.addr, align 8
+  store i32 0, i32* @G, align 4
+  %0 = load i8** %p.addr, align 8
+; CHECK: blah
+  %1 = call i32 asm "blah", "=r,r,~{memory}"(i8* %0) nounwind
+; CHECK: @G
+  store i32 %1, i32* %rv, align 4
+  %2 = load i32* %rv, align 4
+  %3 = load i32* @G, align 4
+  %add = add nsw i32 %2, %3
+  ret i32 %add
+}
+