r266383 - AMDGPU: Add test for generic builtin behavior

[Matt Arsenault via cfe-commits]

Author: arsenm
Date: Thu Apr 14 17:34:39 2016
New Revision: 266383

URL: http://llvm.org/viewvc/llvm-project?rev=266383&view=rev
Log:
AMDGPU: Add test for generic builtin behavior

Added:
    cfe/trunk/test/CodeGenOpenCL/builtins-generic-amdgcn.cl

Added: cfe/trunk/test/CodeGenOpenCL/builtins-generic-amdgcn.cl
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenOpenCL/builtins-generic-amdgcn.cl?rev=266383&view=auto
==============================================================================
--- cfe/trunk/test/CodeGenOpenCL/builtins-generic-amdgcn.cl (added)
+++ cfe/trunk/test/CodeGenOpenCL/builtins-generic-amdgcn.cl Thu Apr 14 17:34:39 2016
@@ -0,0 +1,16 @@
+// REQUIRES: amdgpu-registered-target
+// RUN: %clang_cc1 -triple amdgcn-unknown-unknown -S -emit-llvm -o - %s | FileCheck %s
+
+// CHECK-LABEL: @test_builtin_clz(
+// CHECK: tail call i32 @llvm.ctlz.i32(i32 %a, i1 true)
+void test_builtin_clz(global int* out, int a)
+{
+  *out = __builtin_clz(a);
+}
+
+// CHECK-LABEL: @test_builtin_clzl(
+// CHECK: tail call i64 @llvm.ctlz.i64(i64 %a, i1 true)
+void test_builtin_clzl(global long* out, long a)
+{
+  *out = __builtin_clzl(a);
+}