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1; RUN: llc -O0 -verify-machineinstrs -mtriple=spirv-vulkan1.3-unknown %s -o - | FileCheck %s2; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv-vulkan1.3-unknown %s -o - -filetype=obj | spirv-val --target-env vulkan1.3 %}3 4; Make sure SPIRV operation function calls for smoothstep are lowered correctly.5 6; CHECK-DAG: %[[#op_ext_glsl:]] = OpExtInstImport "GLSL.std.450"7; CHECK-DAG: %[[#float_16:]] = OpTypeFloat 168; CHECK-DAG: %[[#vec4_float_16:]] = OpTypeVector %[[#float_16]] 49; CHECK-DAG: %[[#float_32:]] = OpTypeFloat 3210; CHECK-DAG: %[[#vec4_float_32:]] = OpTypeVector %[[#float_32]] 411 12define internal noundef half @smoothstep_half(half noundef %a, half noundef %b, half noundef %c) {13entry:14 ; CHECK: %[[#]] = OpFunction %[[#float_16]] None %[[#]]15 ; CHECK: %[[#arg0:]] = OpFunctionParameter %[[#float_16]]16 ; CHECK: %[[#arg1:]] = OpFunctionParameter %[[#float_16]]17 ; CHECK: %[[#arg2:]] = OpFunctionParameter %[[#float_16]]18 ; CHECK: %[[#]] = OpExtInst %[[#float_16]] %[[#op_ext_glsl]] SmoothStep %[[#arg0]] %[[#arg1]] %[[#arg2]]19 %spv.smoothstep = call half @llvm.spv.smoothstep.f16(half %a, half %b, half %c)20 ret half %spv.smoothstep21}22 23define internal noundef float @smoothstep_float(float noundef %a, float noundef %b, float noundef %c) {24entry:25 ; CHECK: %[[#]] = OpFunction %[[#float_32]] None %[[#]]26 ; CHECK: %[[#arg0:]] = OpFunctionParameter %[[#float_32]]27 ; CHECK: %[[#arg1:]] = OpFunctionParameter %[[#float_32]]28 ; CHECK: %[[#arg2:]] = OpFunctionParameter %[[#float_32]]29 ; CHECK: %[[#]] = OpExtInst %[[#float_32]] %[[#op_ext_glsl]] SmoothStep %[[#arg0]] %[[#arg1]] %[[#arg2]]30 %spv.smoothstep = call float @llvm.spv.smoothstep.f32(float %a, float %b, float %c)31 ret float %spv.smoothstep32}33 34define internal noundef <4 x half> @smoothstep_half4(<4 x half> noundef %a, <4 x half> noundef %b, <4 x half> noundef %c) {35entry:36 ; CHECK: %[[#]] = OpFunction %[[#vec4_float_16]] None %[[#]]37 ; CHECK: %[[#arg0:]] = OpFunctionParameter %[[#vec4_float_16]]38 ; CHECK: %[[#arg1:]] = OpFunctionParameter %[[#vec4_float_16]]39 ; CHECK: %[[#arg2:]] = OpFunctionParameter %[[#vec4_float_16]]40 ; CHECK: %[[#]] = OpExtInst %[[#vec4_float_16]] %[[#op_ext_glsl]] SmoothStep %[[#arg0]] %[[#arg1]] %[[#arg2]]41 %spv.smoothstep = call <4 x half> @llvm.spv.smoothstep.v4f16(<4 x half> %a, <4 x half> %b, <4 x half> %c)42 ret <4 x half> %spv.smoothstep43}44 45define internal noundef <4 x float> @smoothstep_float4(<4 x float> noundef %a, <4 x float> noundef %b, <4 x float> noundef %c) {46entry:47 ; CHECK: %[[#]] = OpFunction %[[#vec4_float_32]] None %[[#]]48 ; CHECK: %[[#arg0:]] = OpFunctionParameter %[[#vec4_float_32]]49 ; CHECK: %[[#arg1:]] = OpFunctionParameter %[[#vec4_float_32]]50 ; CHECK: %[[#arg2:]] = OpFunctionParameter %[[#vec4_float_32]]51 ; CHECK: %[[#]] = OpExtInst %[[#vec4_float_32]] %[[#op_ext_glsl]] SmoothStep %[[#arg0]] %[[#arg1]] %[[#arg2]]52 %spv.smoothstep = call <4 x float> @llvm.spv.smoothstep.v4f32(<4 x float> %a, <4 x float> %b, <4 x float> %c)53 ret <4 x float> %spv.smoothstep54}55 56; The other fucntions are the test, but a entry point is required to have a valid SPIR-V module.57define void @main() #1 {58entry:59 ret void60}61 62declare half @llvm.spv.smoothstep.f16(half, half, half)63declare float @llvm.spv.smoothstep.f32(float, float, float)64 65declare <4 x half> @llvm.spv.smoothstep.v4f16(<4 x half>, <4 x half>, <4 x half>)66declare <4 x float> @llvm.spv.smoothstep.v4f32(<4 x float>, <4 x float>, <4 x float>)67 68attributes #1 = { convergent noinline norecurse "hlsl.numthreads"="1,1,1" "hlsl.shader"="compute" "no-trapping-math"="true" "stack-protector-buffer-size"="8" }69