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1; RUN: llc -O0 -verify-machineinstrs -mtriple=spirv-unknown-vulkan %s -o - | FileCheck %s2; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv-unknown-vulkan %s -o - -filetype=obj | spirv-val %}3 4; CHECK-DAG: %[[#float_32:]] = OpTypeFloat 325; CHECK-DAG: %[[#float_16:]] = OpTypeFloat 166 7; CHECK-DAG: %[[#vec4_float_32:]] = OpTypeVector %[[#float_32]] 48; CHECK-DAG: %[[#vec4_float_16:]] = OpTypeVector %[[#float_16]] 49 10define noundef float @fwidth_float(float noundef %a) {11entry:12; CHECK: %[[#float_32_arg:]] = OpFunctionParameter %[[#float_32]]13; CHECK: %[[#]] = OpFwidth %[[#float_32]] %[[#float_32_arg]]14 %elt.fwidth = call float @llvm.spv.fwidth.f32(float %a)15 ret float %elt.fwidth16}17 18define noundef half @fwidth_half(half noundef %a) {19entry:20; CHECK: %[[#float_16_arg:]] = OpFunctionParameter %[[#float_16]]21; CHECK: %[[#converted:]] = OpFConvert %[[#float_32]] %[[#float_16_arg]]22; CHECK: %[[#fwidth:]] = OpFwidth %[[#float_32]] %[[#converted]]23; CHECK: %[[#]] = OpFConvert %[[#float_16]] %[[#fwidth]]24 %elt.fwidth = call half @llvm.spv.fwidth.f16(half %a)25 ret half %elt.fwidth26}27 28define noundef <4 x float> @fwidth_float_vector(<4 x float> noundef %a) {29entry:30; CHECK: %[[#vec4_float_32_arg:]] = OpFunctionParameter %[[#vec4_float_32]]31; CHECK: %[[#]] = OpFwidth %[[#vec4_float_32]] %[[#vec4_float_32_arg]]32 %elt.fwidth = call <4 x float> @llvm.spv.fwidth.v4f32(<4 x float> %a)33 ret <4 x float> %elt.fwidth34}35 36define noundef <4 x half> @fwidth_half_vector(<4 x half> noundef %a) {37entry:38; CHECK: %[[#vec4_float_16_arg:]] = OpFunctionParameter %[[#vec4_float_16]]39; CHECK: %[[#converted:]] = OpFConvert %[[#vec4_float_32]] %[[#vec4_float_16_arg]]40; CHECK: %[[#fwidth:]] = OpFwidth %[[#vec4_float_32]] %[[#converted]]41; CHECK: %[[#]] = OpFConvert %[[#vec4_float_16]] %[[#fwidth]]42 %elt.fwidth = call <4 x half> @llvm.spv.fwidth.v4f16(<4 x half> %a)43 ret <4 x half> %elt.fwidth44}45 46declare float @llvm.spv.fwidth.f32(float)47declare half @llvm.spv.fwidth.f16(half)48