1 files changed, 68 insertions, 0 deletions
diff --git a/test/CodeGen/x86-GCC-inline-asm-Y-constraints.c b/test/CodeGen/x86-GCC-inline-asm-Y-constraints.c
new file mode 100644
index 000000000000..0e1e69cd2459
--- /dev/null
+++ b/test/CodeGen/x86-GCC-inline-asm-Y-constraints.c
@@ -0,0 +1,68 @@
+// RUN: %clang_cc1 -ffreestanding  -triple=x86_64-apple-darwin -target-cpu skx %s -emit-llvm -o - | FileCheck %s
+#include <xmmintrin.h>
+// This test is complimented by the .ll test under llvm/test/MC/X86/. 
+// At this level we can only check if the constarints are passed correctly
+// from inline asm to llvm IR.
+
+// CHECK-LABEL: @f_Ym
+void f_Ym(__m64 m)
+  {
+  // CHECK: movq  $0, %mm1
+  // CHECK-SAME: "=^Ym,~{dirflag},~{fpsr},~{flags}"
+  __asm__ volatile ("movq %0, %%mm1\n\t"
+          :"=Ym" (m));
+}
+
+// CHECK-LABEL: f_Yi
+void f_Yi(__m128 x, __m128 y, __m128 z)
+  {
+  // CHECK: vpaddq
+  // CHECK-SAME: "=^Yi,^Yi,^Yi,~{dirflag},~{fpsr},~{flags}"
+  __asm__ volatile ("vpaddq %0, %1, %2\n\t"
+          :"=Yi" (x)
+          :"Yi" (y),"Yi"(z));
+}
+
+// CHECK-LABEL: f_Yt
+void f_Yt(__m128 x, __m128 y, __m128 z)
+  {
+  // CHECK: vpaddq
+  // CHECK-SAME: "=^Yt,^Yt,^Yt,~{dirflag},~{fpsr},~{flags}"
+  __asm__ volatile ("vpaddq %0, %1, %2\n\t"
+          :"=Yt" (x)
+          :"Yt" (y),"Yt"(z));
+}
+
+// CHECK-LABEL: f_Y2
+void f_Y2(__m128 x, __m128 y, __m128 z)
+    {
+  // CHECK: vpaddq
+  // CHECK-SAME: "=^Y2,^Y2,^Y2,~{dirflag},~{fpsr},~{flags}"
+  __asm__ volatile ("vpaddq %0, %1, %2\n\t"
+            :"=Y2" (x)
+            :"Y2" (y),"Y2"(z));
+}
+
+// CHECK-LABEL: f_Yz
+void f_Yz(__m128 x, __m128 y, __m128 z)
+  {
+  // CHECK: vpaddq
+  // CHECK-SAME: vpaddq
+  // CHECK-SAME: "=^Yi,=^Yz,^Yi,0,~{dirflag},~{fpsr},~{flags}"
+  __asm__ volatile ("vpaddq %0,%2,%1\n\t"
+       "vpaddq %1,%0,%2\n\t"
+          :"+Yi"(z),"=Yz" (x)
+          :"Yi" (y) );
+}
+
+// CHECK-LABEL: f_Y0
+void f_Y0(__m128 x, __m128 y, __m128 z)
+  {
+  // CHECK: vpaddq
+  // CHECK-SAME: "=^Yi,=^Y0,^Yi,0,~{dirflag},~{fpsr},~{flags}"
+  __asm__ volatile ("vpaddq %0,%2,%1\n\t"
+          "vpaddq %1,%0,%2\n\t"
+          :"+Yi"(z),"=Y0" (x)
+          :"Yi" (y) );
+}
+