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).
16 lines
605 B
LLVM
16 lines
605 B
LLVM
; RUN: not opt -S -dxil-op-lower -mtriple=dxil-pc-shadermodel6.3-compute %s 2>&1 | FileCheck %s
|
|
|
|
; CHECK: in function f
|
|
; CHECK-SAME: Cannot create Dot2AddHalf operation: No valid overloads for DXIL version 1.3
|
|
|
|
define noundef float @f(<2 x half> noundef %a, <2 x half> noundef %b, float %acc) {
|
|
entry:
|
|
%ax = extractelement <2 x half> %a, i32 0
|
|
%ay = extractelement <2 x half> %a, i32 1
|
|
%bx = extractelement <2 x half> %b, i32 0
|
|
%by = extractelement <2 x half> %b, i32 1
|
|
|
|
%ret = call float @llvm.dx.dot2add(float %acc, half %ax, half %ay, half %bx, half %by)
|
|
ret float %ret
|
|
}
|