cbc8f650ea
Fixes #152585. The `dot2add` DXILOpFunction should be `dx.op.dot2AddHalf.f32` (i.e. it has [a single overload that's a float](https://github.com/microsoft/DirectXShaderCompiler/blob/main/utils/hct/hctdb.py#L3960), rather than no overloads). It was also being defined for too low of a DXIL version - [dxc says SM6.4](https://github.com/microsoft/DirectXShaderCompiler/blob/main/utils/hct/hctdb.py#L740).
14 lines
594 B
LLVM
14 lines
594 B
LLVM
; RUN: opt -S -dxil-op-lower -mtriple=dxil-pc-shadermodel6.4-compute %s | FileCheck %s
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define noundef float @dot2add_simple(<2 x half> noundef %a, <2 x half> noundef %b, float %acc) {
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entry:
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%ax = extractelement <2 x half> %a, i32 0
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%ay = extractelement <2 x half> %a, i32 1
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%bx = extractelement <2 x half> %b, i32 0
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%by = extractelement <2 x half> %b, i32 1
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; CHECK: call float @dx.op.dot2AddHalf.f32(i32 162, float %acc, half %ax, half %ay, half %bx, half %by)
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%ret = call float @llvm.dx.dot2add(float %acc, half %ax, half %ay, half %bx, half %by)
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ret float %ret
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}
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