1 files changed, 25 insertions, 0 deletions
diff --git a/test/CodeGen/pr34021.c b/test/CodeGen/pr34021.c
new file mode 100644
index 000000000000..3c7a75a95aa9
--- /dev/null
+++ b/test/CodeGen/pr34021.c
@@ -0,0 +1,25 @@
+// REQUIRES: x86-registered-target
+// RUN: %clang_cc1 -fms-extensions %s -triple=i686-unknown-unknown -emit-llvm -o - | FileCheck %s --check-prefix=X86
+// RUN: %clang_cc1 -fms-extensions %s -triple=x86_64-unknown-unknown -emit-llvm -o - | FileCheck %s --check-prefix=X64
+
+typedef int v4si __attribute__ ((vector_size (16)));
+v4si rep() {
+// X86-LABEL: define <4 x i32> @rep
+// X86: %[[ALLOCA0:.*]] = alloca <4 x i32>, align 16
+// X86: %[[ALLOCA1:.*]] = alloca <4 x i32>, align 16
+// X86: %[[BITCAST:.*]] = bitcast <4 x i32>* %[[ALLOCA0]] to i128*
+// X86: %[[ASM:.*]] = call i64 asm sideeffect inteldialect "", "=A,~{dirflag},~{fpsr},~{flags}"()
+// X86: %[[ZEXT:.*]] = zext i64 %[[ASM]] to i128
+// X86: store i128 %[[ZEXT]], i128* %[[BITCAST]], align 16
+// X86: %[[LOAD:.*]] = load <4 x i32>, <4 x i32>* %[[ALLOCA1]], align 16
+// X86: ret <4 x i32> %[[LOAD]]
+//
+// X64-LABEL: define <4 x i32> @rep
+// X64: %[[ALLOCA:.*]] = alloca <4 x i32>, align 16
+// X64: call void asm sideeffect inteldialect "", "~{dirflag},~{fpsr},~{flags}"()
+// X64: %[[LOAD:.*]] = load <4 x i32>, <4 x i32>* %[[ALLOCA]], align 16
+// X64: ret <4 x i32> %[[LOAD]]
+  v4si res;
+  __asm {}
+  return res;
+}