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TheRock/compiler/amd-llvm/llvm/test/CodeGen/SPIRV/hlsl-intrinsics/fwidth.ll
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

48 lines
1.9 KiB
LLVM

; RUN: llc -O0 -verify-machineinstrs -mtriple=spirv-unknown-vulkan %s -o - | FileCheck %s
; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv-unknown-vulkan %s -o - -filetype=obj | spirv-val %}
; 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
define noundef float @fwidth_float(float noundef %a) {
entry:
; CHECK: %[[#float_32_arg:]] = OpFunctionParameter %[[#float_32]]
; CHECK: %[[#]] = OpFwidth %[[#float_32]] %[[#float_32_arg]]
%elt.fwidth = call float @llvm.spv.fwidth.f32(float %a)
ret float %elt.fwidth
}
define noundef half @fwidth_half(half noundef %a) {
entry:
; CHECK: %[[#float_16_arg:]] = OpFunctionParameter %[[#float_16]]
; CHECK: %[[#converted:]] = OpFConvert %[[#float_32]] %[[#float_16_arg]]
; CHECK: %[[#fwidth:]] = OpFwidth %[[#float_32]] %[[#converted]]
; CHECK: %[[#]] = OpFConvert %[[#float_16]] %[[#fwidth]]
%elt.fwidth = call half @llvm.spv.fwidth.f16(half %a)
ret half %elt.fwidth
}
define noundef <4 x float> @fwidth_float_vector(<4 x float> noundef %a) {
entry:
; CHECK: %[[#vec4_float_32_arg:]] = OpFunctionParameter %[[#vec4_float_32]]
; CHECK: %[[#]] = OpFwidth %[[#vec4_float_32]] %[[#vec4_float_32_arg]]
%elt.fwidth = call <4 x float> @llvm.spv.fwidth.v4f32(<4 x float> %a)
ret <4 x float> %elt.fwidth
}
define noundef <4 x half> @fwidth_half_vector(<4 x half> noundef %a) {
entry:
; CHECK: %[[#vec4_float_16_arg:]] = OpFunctionParameter %[[#vec4_float_16]]
; CHECK: %[[#converted:]] = OpFConvert %[[#vec4_float_32]] %[[#vec4_float_16_arg]]
; CHECK: %[[#fwidth:]] = OpFwidth %[[#vec4_float_32]] %[[#converted]]
; CHECK: %[[#]] = OpFConvert %[[#vec4_float_16]] %[[#fwidth]]
%elt.fwidth = call <4 x half> @llvm.spv.fwidth.v4f16(<4 x half> %a)
ret <4 x half> %elt.fwidth
}
declare float @llvm.spv.fwidth.f32(float)
declare half @llvm.spv.fwidth.f16(half)