Reapply "[SPIRV] Add radians intrinsic"

I had too many tabs open and reverted #110800 by mistake, it was
supposed to be #110616.

This reverts commit dec6fe3.

Author: bogner

llvm/include/llvm/IR/IntrinsicsSPIRV.td

@@ -84,4 +84,5 @@ let TargetPrefix = "spv" in {
     [IntrNoMem, Commutative] >;
   def int_spv_wave_is_first_lane : DefaultAttrsIntrinsic<[llvm_i1_ty], [], [IntrConvergent]>;
   def int_spv_sign : DefaultAttrsIntrinsic<[LLVMScalarOrSameVectorWidth<0, llvm_i32_ty>], [llvm_any_ty], [IntrNoMem]>;
+  def int_spv_radians : DefaultAttrsIntrinsic<[LLVMMatchType<0>], [llvm_anyfloat_ty], [IntrNoMem]>;
 }

llvm/lib/Target/SPIRV/SPIRVInstructionSelector.cpp

@@ -2537,6 +2537,8 @@ bool SPIRVInstructionSelector::selectIntrinsic(Register ResVReg,
   }
   case Intrinsic::spv_step:
     return selectExtInst(ResVReg, ResType, I, CL::step, GL::Step);
+  case Intrinsic::spv_radians:
+    return selectExtInst(ResVReg, ResType, I, CL::radians, GL::Radians);
   // Discard intrinsics which we do not expect to actually represent code after
   // lowering or intrinsics which are not implemented but should not crash when
   // found in a customer's LLVM IR input.

llvm/test/CodeGen/SPIRV/hlsl-intrinsics/radians.ll

@@ -0,0 +1,48 @@
+; RUN: llc -verify-machineinstrs -O0 -mtriple=spirv-unknown-unknown %s -o - | FileCheck %s
+; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv-unknown-unknown %s -o - -filetype=obj | spirv-val %}
+
+; CHECK-DAG: %[[#op_ext_glsl:]] = OpExtInstImport "GLSL.std.450"
+
+; CHECK-DAG: %[[#float_32:]] = OpTypeFloat 32
+; CHECK-DAG: %[[#float_16:]] = OpTypeFloat 16
+
+; CHECK-DAG: %[[#vec4_float_32:]] = OpTypeVector %[[#float_32]] 4
+; CHECK-DAG: %[[#vec4_float_16:]] = OpTypeVector %[[#float_16]] 4
+
+declare half @llvm.spv.radians.f16(half)
+declare float @llvm.spv.radians.f32(float)
+
+declare <4 x float> @llvm.spv.radians.v4f32(<4 x float>)
+declare <4 x half> @llvm.spv.radians.v4f16(<4 x half>)
+
+define noundef float @radians_float(float noundef %a) {
+entry:
+; CHECK: %[[#float_32_arg:]] = OpFunctionParameter %[[#float_32]]
+; CHECK: %[[#]] = OpExtInst %[[#float_32]] %[[#op_ext_glsl]] Radians %[[#float_32_arg]]
+  %elt.radians = call float @llvm.spv.radians.f32(float %a)
+  ret float %elt.radians
+}
+
+define noundef half @radians_half(half noundef %a) {
+entry:
+; CHECK: %[[#float_16_arg:]] = OpFunctionParameter %[[#float_16]]
+; CHECK: %[[#]] = OpExtInst %[[#float_16]] %[[#op_ext_glsl]] Radians %[[#float_16_arg]]
+  %elt.radians = call half @llvm.spv.radians.f16(half %a)
+  ret half %elt.radians
+}
+
+define noundef <4 x float> @radians_float_vector(<4 x float> noundef %a) {
+entry:
+; CHECK: %[[#vec4_float_32_arg:]] = OpFunctionParameter %[[#vec4_float_32]]
+; CHECK: %[[#]] = OpExtInst %[[#vec4_float_32]] %[[#op_ext_glsl]] Radians %[[#vec4_float_32_arg]]
+  %elt.radians = call <4 x float> @llvm.spv.radians.v4f32(<4 x float> %a)
+  ret <4 x float> %elt.radians
+}
+
+define noundef <4 x half> @radians_half_vector(<4 x half> noundef %a) {
+entry:
+; CHECK: %[[#vec4_float_16_arg:]] = OpFunctionParameter %[[#vec4_float_16]]
+; CHECK: %[[#]] = OpExtInst %[[#vec4_float_16]] %[[#op_ext_glsl]] Radians %[[#vec4_float_16_arg]]
+  %elt.radians = call <4 x half> @llvm.spv.radians.v4f16(<4 x half> %a)
+  ret <4 x half> %elt.radians
+}

llvm/test/CodeGen/SPIRV/opencl/radians.ll

@@ -0,0 +1,51 @@
+; RUN: llc -verify-machineinstrs -O0 -mtriple=spirv64-unknown-unknown %s -o - | FileCheck %s
+; RUN: llc -verify-machineinstrs -O0 -mtriple=spirv32-unknown-unknown %s -o - | FileCheck %s
+; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv64-unknown-unknown %s -o - -filetype=obj | spirv-val %}
+; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv32-unknown-unknown %s -o - -filetype=obj | spirv-val %}
+
+; CHECK-DAG: %[[#op_ext_glsl:]] = OpExtInstImport "OpenCL.std"
+
+; CHECK-DAG: %[[#float_32:]] = OpTypeFloat 32
+; CHECK-DAG: %[[#float_16:]] = OpTypeFloat 16
+
+; CHECK-DAG: %[[#vec4_float_32:]] = OpTypeVector %[[#float_32]] 4
+; CHECK-DAG: %[[#vec4_float_16:]] = OpTypeVector %[[#float_16]] 4
+
+declare half @llvm.spv.radians.f16(half)
+declare float @llvm.spv.radians.f32(float)
+
+declare <4 x float> @llvm.spv.radians.v4f32(<4 x float>)
+declare <4 x half> @llvm.spv.radians.v4f16(<4 x half>)
+
+define noundef float @radians_float(float noundef %a) {
+entry:
+; CHECK: %[[#float_32_arg:]] = OpFunctionParameter %[[#float_32]]
+; CHECK: %[[#]] = OpExtInst %[[#float_32]] %[[#op_ext_glsl]] radians %[[#float_32_arg]]
+  %elt.radians = call float @llvm.spv.radians.f32(float %a)
+  ret float %elt.radians
+}
+
+define noundef half @radians_half(half noundef %a) {
+entry:
+; CHECK: %[[#float_16_arg:]] = OpFunctionParameter %[[#float_16]]
+; CHECK: %[[#]] = OpExtInst %[[#float_16]] %[[#op_ext_glsl]] radians %[[#float_16_arg]]
+  %elt.radians = call half @llvm.spv.radians.f16(half %a)
+  ret half %elt.radians
+}
+
+define noundef <4 x float> @radians_float_vector(<4 x float> noundef %a) {
+entry:
+; CHECK: %[[#vec4_float_32_arg:]] = OpFunctionParameter %[[#vec4_float_32]]
+; CHECK: %[[#]] = OpExtInst %[[#vec4_float_32]] %[[#op_ext_glsl]] radians %[[#vec4_float_32_arg]]
+  %elt.radians = call <4 x float> @llvm.spv.radians.v4f32(<4 x float> %a)
+  ret <4 x float> %elt.radians
+}
+
+define noundef <4 x half> @radians_half_vector(<4 x half> noundef %a) {
+entry:
+; CHECK: %[[#vec4_float_16_arg:]] = OpFunctionParameter %[[#vec4_float_16]]
+; CHECK: %[[#]] = OpExtInst %[[#vec4_float_16]] %[[#op_ext_glsl]] radians %[[#vec4_float_16_arg]]
+  %elt.radians = call <4 x half> @llvm.spv.radians.v4f16(<4 x half> %a)
+  ret <4 x half> %elt.radians
+}
+