r359594 - AMDGPU: Enable _Float16

[Yaxun Liu via cfe-commits]

Author: yaxunl
Date: Tue Apr 30 11:35:37 2019
New Revision: 359594

URL: http://llvm.org/viewvc/llvm-project?rev=359594&view=rev
Log:
AMDGPU: Enable _Float16

Added:
    cfe/trunk/test/CodeGenCXX/amdgpu-float16.cpp
Modified:
    cfe/trunk/lib/Basic/Targets/AMDGPU.cpp

Modified: cfe/trunk/lib/Basic/Targets/AMDGPU.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/Targets/AMDGPU.cpp?rev=359594&r1=359593&r2=359594&view=diff
==============================================================================
--- cfe/trunk/lib/Basic/Targets/AMDGPU.cpp (original)
+++ cfe/trunk/lib/Basic/Targets/AMDGPU.cpp Tue Apr 30 11:35:37 2019
@@ -252,6 +252,9 @@ AMDGPUTargetInfo::AMDGPUTargetInfo(const
                      !isAMDGCN(Triple));
   UseAddrSpaceMapMangling = true;
 
+  HasLegalHalfType = true;
+  HasFloat16 = true;
+
   // Set pointer width and alignment for target address space 0.
   PointerWidth = PointerAlign = DataLayout->getPointerSizeInBits();
   if (getMaxPointerWidth() == 64) {

Added: cfe/trunk/test/CodeGenCXX/amdgpu-float16.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenCXX/amdgpu-float16.cpp?rev=359594&view=auto
==============================================================================
--- cfe/trunk/test/CodeGenCXX/amdgpu-float16.cpp (added)
+++ cfe/trunk/test/CodeGenCXX/amdgpu-float16.cpp Tue Apr 30 11:35:37 2019
@@ -0,0 +1,19 @@
+// RUN: %clang_cc1 -triple amdgcn-amd-amdhsa -target-cpu gfx701 -S -o - %s | FileCheck %s -check-prefix=NOF16
+// RUN: %clang_cc1 -triple amdgcn-amd-amdhsa -target-cpu gfx803 -S -o - %s | FileCheck %s
+// RUN: %clang_cc1 -triple amdgcn-amd-amdhsa -target-cpu gfx900 -S -o - %s | FileCheck %s
+// RUN: %clang_cc1 -triple amdgcn-amd-amdhsa -target-cpu gfx906 -S -o - %s | FileCheck %s
+void f() {
+  _Float16 x, y, z;
+  // CHECK: v_add_f16_e64
+  // NOF16: v_add_f32_e64
+  z = x + y;
+  // CHECK: v_sub_f16_e64
+  // NOF16: v_sub_f32_e64
+  z = x - y;
+  // CHECK: v_mul_f16_e64
+  // NOF16: v_mul_f32_e64
+  z = x * y;
+  // CHECK: v_div_fixup_f16
+  // NOF16: v_div_fixup_f32
+  z = x / y;
+}