1; RUN: llc -O0 -verify-machineinstrs -mtriple=spirv-unknown-unknown %s -o - | FileCheck %s 2; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv-unknown-unknown %s -o - -filetype=obj | spirv-val %} 3 4; Make sure SPIRV operation function calls for step are lowered correctly. 5 6; CHECK-DAG: %[[#op_ext_glsl:]] = OpExtInstImport "GLSL.std.450" 7; CHECK-DAG: %[[#float_32:]] = OpTypeFloat 32 8; CHECK-DAG: %[[#float_16:]] = OpTypeFloat 16 9; CHECK-DAG: %[[#vec4_float_16:]] = OpTypeVector %[[#float_16]] 4 10; CHECK-DAG: %[[#vec4_float_32:]] = OpTypeVector %[[#float_32]] 4 11 12define noundef <4 x half> @step_half4(<4 x half> noundef %a, <4 x half> noundef %b) { 13entry: 14 ; CHECK: %[[#]] = OpFunction %[[#vec4_float_16]] None %[[#]] 15 ; CHECK: %[[#arg0:]] = OpFunctionParameter %[[#vec4_float_16]] 16 ; CHECK: %[[#arg1:]] = OpFunctionParameter %[[#vec4_float_16]] 17 ; CHECK: %[[#]] = OpExtInst %[[#vec4_float_16]] %[[#op_ext_glsl]] Step %[[#arg0]] %[[#arg1]] 18 %hlsl.step = call <4 x half> @llvm.spv.step.v4f16(<4 x half> %a, <4 x half> %b) 19 ret <4 x half> %hlsl.step 20} 21 22define noundef <4 x float> @step_float4(<4 x float> noundef %a, <4 x float> noundef %b) { 23entry: 24 ; CHECK: %[[#]] = OpFunction %[[#vec4_float_32]] None %[[#]] 25 ; CHECK: %[[#arg0:]] = OpFunctionParameter %[[#vec4_float_32]] 26 ; CHECK: %[[#arg1:]] = OpFunctionParameter %[[#vec4_float_32]] 27 ; CHECK: %[[#]] = OpExtInst %[[#vec4_float_32]] %[[#op_ext_glsl]] Step %[[#arg0]] %[[#arg1]] 28 %hlsl.step = call <4 x float> @llvm.spv.step.v4f32(<4 x float> %a, <4 x float> %b) 29 ret <4 x float> %hlsl.step 30} 31 32declare <4 x half> @llvm.spv.step.v4f16(<4 x half>, <4 x half>) 33declare <4 x float> @llvm.spv.step.v4f32(<4 x float>, <4 x float>) 34