X86: add F16C support in Clang

Support the following intrinsics:
  _mm_cvtph_ps, _mm256_cvtph_ps, _mm_cvtps_ph, _mm256_cvtps_ph

rdar://12407875

llvm-svn: 165685

1 files changed, 26 insertions, 0 deletions

diff --git a/clang/test/CodeGen/f16c-builtins.c b/clang/test/CodeGen/f16c-builtins.c
new file mode 100644
index 00000000000..28430d52f66
--- /dev/null
+++ b/clang/test/CodeGen/f16c-builtins.c
@@ -0,0 +1,26 @@
+// RUN: %clang_cc1 %s -O3 -triple=x86_64-apple-darwin -target-feature +f16c -emit-llvm -o - | FileCheck %s
+
+// Don't include mm_malloc.h, it's system specific.
+#define __MM_MALLOC_H
+
+#include <x86intrin.h>
+
+__m128 test_mm_cvtph_ps(__m128i a) {
+  // CHECK: @llvm.x86.vcvtph2ps.128
+  return _mm_cvtph_ps(a);
+}
+
+__m256 test_mm256_cvtph_ps(__m128i a) {
+  // CHECK: @llvm.x86.vcvtph2ps.256
+  return _mm256_cvtph_ps(a);
+}
+
+__m128i test_mm_cvtps_ph(__m128 a) {
+  // CHECK: @llvm.x86.vcvtps2ph.128
+  return _mm_cvtps_ph(a, 0);
+}
+
+__m128i test_mm256_cvtps_ph(__m256 a) {
+  // CHECK: @llvm.x86.vcvtps2ph.256
+  return _mm256_cvtps_ph(a, 0);
+}