[PATCH] D132913: [HLSL] Preserve vec3 for HLSL.

[Xiang Li via Phabricator via cfe-commits]

python3kgae added a comment.

In D132913#3786679 <https://reviews.llvm.org/D132913#3786679>, @alexgatea wrote:

>> Thanks for reporting the issue.
>> But I cannot repro the fail.
>> Do you mind sharing your cmake command?
>
> Hmm, I'm just running the command in the test case:
> clang --driver-mode=dxc -Tlib_6_7 -fcgl  -Fo - clang/test/CodeGenHLSL/float3.hlsl | FileCheck clang/test/CodeGenHLSL/float3.hlsl

This is the output I got with  clang --driver-mode=dxc -Tlib_6_7 -fcgl  -Fo - clang/test/CodeGenHLSL/float3.hlsl

  target datalayout = "e-m:e-p:32:32-i1:32-i8:8-i16:16-i32:32-i64:64-f16:16-f32:32-f64:64-n8:16:32:64"
  target triple = "dxil-unknown-shadermodel6.7-library"
  
  ; Function Attrs: noinline nounwind optnone
  define noundef <3 x float> @"?foo@@YAT?$__vector at M$02 at __clang@@T12@@Z"(<3 x float> noundef %a) #0 {
  entry:
    %a.addr = alloca <3 x float>, align 16
    store <3 x float> %a, ptr %a.addr, align 16
    %0 = load <3 x float>, ptr %a.addr, align 16
    ret <3 x float> %0
  }
  
  attributes #0 = { noinline nounwind optnone "frame-pointer"="all" "min-legal-vector-width"="96" "no-trapping-math"="true" "stack-protector-buffer-size"="8" }
  
  !llvm.module.flags = !{!0, !1}
  !dx.valver = !{!2}
  !llvm.ident = !{!3}
  
  !0 = !{i32 1, !"wchar_size", i32 4}
  !1 = !{i32 7, !"frame-pointer", i32 2}
  !2 = !{i32 1, i32 7}
  !3 = !{!"clang version 16.0.0 (https://github.com/llvm/llvm-project c9d2b6b92d6c29d00f6adc0527cf2331dbaae31a)"}

Maybe you build clang with a different setting? What are the CMake options you're using?


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D132913/new/

https://reviews.llvm.org/D132913