Support constant evaluation for OpenCL nested vector literals. Patch by Anton Lokhmotov.

llvm-svn: 147496

1 files changed, 23 insertions, 0 deletions

diff --git a/clang/test/CodeGenOpenCL/vector_literals_nested.cl b/clang/test/CodeGenOpenCL/vector_literals_nested.cl
new file mode 100644
index 00000000000..cb8ea78c7f4
--- /dev/null
+++ b/clang/test/CodeGenOpenCL/vector_literals_nested.cl
@@ -0,0 +1,23 @@
+// RUN: %clang_cc1 %s -emit-llvm -O3 -o - | FileCheck %s
+
+typedef int int2 __attribute((ext_vector_type(2)));
+typedef int int4 __attribute((ext_vector_type(4)));
+
+__constant const int4 itest1 = (int4)(1, 2, ((int2)(3, 4)));
+// CHECK: constant <4 x i32> <i32 1, i32 2, i32 3, i32 4>
+__constant const int4 itest2 = (int4)(1, 2, ((int2)(3)));
+// CHECK: constant <4 x i32> <i32 1, i32 2, i32 3, i32 3>
+
+typedef float float2 __attribute((ext_vector_type(2)));
+typedef float float4 __attribute((ext_vector_type(4)));
+
+float4 ftest1() {
+  return (float4)(1.1f, 1.2f, ((float2)(1.3f, 1.4f)));
+// CHECK: ret <4 x float> <float 0x3FF19999A0000000, float 0x3FF3333340000000, float 0x3FF4CCCCC0000000, float 0x3FF6666660000000>
+}
+
+float4 ftest2() {
+   return (float4)(1.1f, 1.2f, ((float2)(1.3f)));
+// CHECK: ret <4 x float> <float 0x3FF19999A0000000, float 0x3FF3333340000000, float 0x3FF4CCCCC0000000, float 0x3FF4CCCCC0000000>
+}
+