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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 --target-env spv1.4 %}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 @ddx_coarse_float(float noundef %a) {11entry:12; CHECK: %[[#float_32_arg:]] = OpFunctionParameter %[[#float_32]]13; CHECK: %[[#]] = OpDPdxCoarse %[[#float_32]] %[[#float_32_arg]]14 %elt.ddx.coarse = call float @llvm.spv.ddx.coarse.f32(float %a)15 ret float %elt.ddx.coarse16}17 18define noundef half @ddx_coarse_half(half noundef %a) {19entry:20; CHECK: %[[#float_16_arg:]] = OpFunctionParameter %[[#float_16]]21; CHECK: %[[#converted:]] = OpFConvert %[[#float_32:]] %[[#float_16_arg]]22; CHECK: %[[#coarse:]] = OpDPdxCoarse %[[#float_32]] %[[#converted]]23; CHECK: %[[#]] = OpFConvert %[[#float_16]] %[[#coarse]]24 %elt.ddx.coarse = call half @llvm.spv.ddx.coarse.f16(half %a)25 ret half %elt.ddx.coarse26}27 28define noundef <4 x float> @ddx_coarse_float_vector(<4 x float> noundef %a) {29entry:30; CHECK: %[[#vec4_float_32_arg:]] = OpFunctionParameter %[[#vec4_float_32]]31; CHECK: %[[#]] = OpDPdxCoarse %[[#vec4_float_32]] %[[#vec4_float_32_arg]]32 %elt.ddx.coarse = call <4 x float> @llvm.spv.ddx.coarse.v4f32(<4 x float> %a)33 ret <4 x float> %elt.ddx.coarse34}35 36define noundef <4 x half> @ddx_coarse_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: %[[#coarse:]] = OpDPdxCoarse %[[#vec4_float_32]] %[[#converted]]41; CHECK: %[[#]] = OpFConvert %[[#vec4_float_16]] %[[#coarse]]42 %elt.ddx.coarse = call <4 x half> @llvm.spv.ddx.coarse.v4f16(<4 x half> %a)43 ret <4 x half> %elt.ddx.coarse44}45 46declare float @llvm.spv.ddx.coarse.f32(float)47declare half @llvm.spv.ddx.coarse.f16(half)48