b5d5708128
Implements descriptor table parsing from root signature metadata. This is required to support root signatures in hlsl. Closes: #[126640](https://github.com/llvm/llvm-project/issues/126640) --------- Co-authored-by: joaosaffran <joao.saffran@microsoft.com>
49 lines
1.9 KiB
LLVM
49 lines
1.9 KiB
LLVM
; RUN: opt %s -dxil-embed -dxil-globals -S -o - | FileCheck %s
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; RUN: llc %s --filetype=obj -o - | obj2yaml | FileCheck %s --check-prefix=DXC
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target triple = "dxil-unknown-shadermodel6.0-compute"
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; CHECK: @dx.rts0 = private constant [92 x i8] c"{{.*}}", section "RTS0", align 4
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define void @main() #0 {
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entry:
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ret void
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}
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attributes #0 = { "hlsl.numthreads"="1,1,1" "hlsl.shader"="compute" }
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!dx.rootsignatures = !{!2} ; list of function/root signature pairs
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!2 = !{ ptr @main, !3, i32 2 } ; function, root signature
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!3 = !{ !5 } ; list of root signature elements
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!5 = !{ !"DescriptorTable", i32 0, !6, !7 }
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!6 = !{ !"SRV", i32 0, i32 1, i32 0, i32 -1, i32 4 }
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!7 = !{ !"UAV", i32 5, i32 1, i32 10, i32 5, i32 2 }
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; DXC: - Name: RTS0
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; DXC-NEXT: Size: 92
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; DXC-NEXT: RootSignature:
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; DXC-NEXT: Version: 2
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; DXC-NEXT: NumRootParameters: 1
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; DXC-NEXT: RootParametersOffset: 24
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; DXC-NEXT: NumStaticSamplers: 0
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; DXC-NEXT: StaticSamplersOffset: 0
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; DXC-NEXT: Parameters:
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; DXC-NEXT: - ParameterType: 0
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; DXC-NEXT: ShaderVisibility: 0
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; DXC-NEXT: Table:
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; DXC-NEXT: NumRanges: 2
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; DXC-NEXT: RangesOffset: 44
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; DXC-NEXT: Ranges:
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; DXC-NEXT: - RangeType: 0
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; DXC-NEXT: NumDescriptors: 0
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; DXC-NEXT: BaseShaderRegister: 1
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; DXC-NEXT: RegisterSpace: 0
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; DXC-NEXT: OffsetInDescriptorsFromTableStart: 4294967295
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; DXC-NEXT: DATA_STATIC_WHILE_SET_AT_EXECUTE: true
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; DXC-NEXT: - RangeType: 1
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; DXC-NEXT: NumDescriptors: 5
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; DXC-NEXT: BaseShaderRegister: 1
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; DXC-NEXT: RegisterSpace: 10
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; DXC-NEXT: OffsetInDescriptorsFromTableStart: 5
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; DXC-NEXT: DATA_VOLATILE: true
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