Builtins: Start adding half versions of math builtins

The implementation of the OpenCL builtin currently library uses 2
different hacks to get to the corresponding IR intrinsics from the
source. This will allow removal of those.

This is the set that is currently used (minus a few vector ones).

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@367973 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 71 insertions, 0 deletions

diff --git a/test/CodeGenOpenCL/builtins-f16.cl b/test/CodeGenOpenCL/builtins-f16.cl
new file mode 100644
index 0000000000..4aef2c20b7
--- /dev/null
+++ b/test/CodeGenOpenCL/builtins-f16.cl
@@ -0,0 +1,71 @@
+// RUN: %clang_cc1 -emit-llvm -o - -triple x86_64-darwin-apple %s | FileCheck %s
+
+#pragma OPENCL EXTENSION cl_khr_fp16 : enable
+
+// CHECK-LABEL: define void @test_half_builtins
+void test_half_builtins(half h0, half h1, half h2) {
+  volatile half res;
+
+  // CHECK: call half @llvm.copysign.f16(half %h0, half %h1)
+  res = __builtin_copysignf16(h0, h1);
+
+  // CHECK: call half @llvm.fabs.f16(half %h0)
+  res = __builtin_fabsf16(h0);
+
+  // CHECK: call half @llvm.ceil.f16(half %h0)
+  res = __builtin_ceilf16(h0);
+
+  // CHECK: call half @llvm.cos.f16(half %h0)
+  res = __builtin_cosf16(h0);
+
+  // CHECK: call half @llvm.exp.f16(half %h0)
+  res = __builtin_expf16(h0);
+
+  // CHECK: call half @llvm.exp2.f16(half %h0)
+  res = __builtin_exp2f16(h0);
+
+  // CHECK: call half @llvm.floor.f16(half %h0)
+  res = __builtin_floorf16(h0);
+
+  // CHECK: call half @llvm.fma.f16(half %h0, half %h1, half %h2)
+  res = __builtin_fmaf16(h0, h1 ,h2);
+
+  // CHECK: call half @llvm.maxnum.f16(half %h0, half %h1)
+  res = __builtin_fmaxf16(h0, h1);
+
+  // CHECK: call half @llvm.minnum.f16(half %h0, half %h1)
+  res = __builtin_fminf16(h0, h1);
+
+  // CHECK: frem half %h0, %h1
+  res = __builtin_fmodf16(h0, h1);
+
+  // CHECK: call half @llvm.pow.f16(half %h0, half %h1)
+  res = __builtin_powf16(h0, h1);
+
+  // CHECK: call half @llvm.log10.f16(half %h0)
+  res = __builtin_log10f16(h0);
+
+  // CHECK: call half @llvm.log2.f16(half %h0)
+  res = __builtin_log2f16(h0);
+
+  // CHECK: call half @llvm.log.f16(half %h0)
+  res = __builtin_logf16(h0);
+
+  // CHECK: call half @llvm.rint.f16(half %h0)
+  res = __builtin_rintf16(h0);
+
+  // CHECK: call half @llvm.round.f16(half %h0)
+  res = __builtin_roundf16(h0);
+
+  // CHECK: call half @llvm.sin.f16(half %h0)
+  res = __builtin_sinf16(h0);
+
+  // CHECK: call half @llvm.sqrt.f16(half %h0)
+  res = __builtin_sqrtf16(h0);
+
+  // CHECK: call half @llvm.trunc.f16(half %h0)
+  res = __builtin_truncf16(h0);
+
+  // CHECK: call half @llvm.canonicalize.f16(half %h0)
+  res = __builtin_canonicalizef16(h0);
+}