r275577 - AMDGPU: Add Clang Builtin for v_lerp_u8

[Wei Ding via cfe-commits]

Author: wdng
Date: Fri Jul 15 11:43:03 2016
New Revision: 275577

URL: http://llvm.org/viewvc/llvm-project?rev=275577&view=rev
Log:
AMDGPU: Add Clang Builtin for v_lerp_u8

Differential Revision: http://reviews.llvm.org/D22380

Modified:
    cfe/trunk/include/clang/Basic/BuiltinsAMDGPU.def
    cfe/trunk/lib/CodeGen/CGBuiltin.cpp
    cfe/trunk/test/CodeGenOpenCL/builtins-amdgcn.cl

Modified: cfe/trunk/include/clang/Basic/BuiltinsAMDGPU.def
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/BuiltinsAMDGPU.def?rev=275577&r1=275576&r2=275577&view=diff
==============================================================================
--- cfe/trunk/include/clang/Basic/BuiltinsAMDGPU.def (original)
+++ cfe/trunk/include/clang/Basic/BuiltinsAMDGPU.def Fri Jul 15 11:43:03 2016
@@ -61,6 +61,7 @@ BUILTIN(__builtin_amdgcn_frexp_exp, "id"
 BUILTIN(__builtin_amdgcn_frexp_expf, "if", "nc")
 BUILTIN(__builtin_amdgcn_fract, "dd", "nc")
 BUILTIN(__builtin_amdgcn_fractf, "ff", "nc")
+BUILTIN(__builtin_amdgcn_lerp, "UiUiUiUi", "nc")
 BUILTIN(__builtin_amdgcn_class, "bdi", "nc")
 BUILTIN(__builtin_amdgcn_classf, "bfi", "nc")
 BUILTIN(__builtin_amdgcn_cubeid, "ffff", "nc")

Modified: cfe/trunk/lib/CodeGen/CGBuiltin.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGBuiltin.cpp?rev=275577&r1=275576&r2=275577&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGBuiltin.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGBuiltin.cpp Fri Jul 15 11:43:03 2016
@@ -7659,6 +7659,8 @@ Value *CodeGenFunction::EmitAMDGPUBuilti
   case AMDGPU::BI__builtin_amdgcn_fract:
   case AMDGPU::BI__builtin_amdgcn_fractf:
     return emitUnaryBuiltin(*this, E, Intrinsic::amdgcn_fract);
+  case AMDGPU::BI__builtin_amdgcn_lerp:
+    return emitTernaryBuiltin(*this, E, Intrinsic::amdgcn_lerp);
   case AMDGPU::BI__builtin_amdgcn_class:
   case AMDGPU::BI__builtin_amdgcn_classf:
     return emitFPIntBuiltin(*this, E, Intrinsic::amdgcn_class);

Modified: cfe/trunk/test/CodeGenOpenCL/builtins-amdgcn.cl
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenOpenCL/builtins-amdgcn.cl?rev=275577&r1=275576&r2=275577&view=diff
==============================================================================
--- cfe/trunk/test/CodeGenOpenCL/builtins-amdgcn.cl (original)
+++ cfe/trunk/test/CodeGenOpenCL/builtins-amdgcn.cl Fri Jul 15 11:43:03 2016
@@ -192,6 +192,13 @@ void test_fract_f64(global int* out, dou
   *out = __builtin_amdgcn_fract(a);
 }
 
+// CHECK-LABEL: @test_lerp
+// CHECK: call i32 @llvm.amdgcn.lerp
+void test_lerp(global int* out, int a, int b, int c)
+{
+  *out = __builtin_amdgcn_lerp(a, b, c);
+}
+
 // CHECK-LABEL: @test_class_f32
 // CHECK: call i1 @llvm.amdgcn.class.f32
 void test_class_f32(global float* out, float a, int b)