b8a814e4fc
This commit adds support for HLSL input semantics. User semantics are all semantics not starting with `SV_`. Those semantics ends up with a Location assignment in SPIR-V. Note: user semantics means Location, but the opposite is not true. Depending on the stage, some system semantics can rely on a Location index. This is not implemented in this PR.
37 lines
2.4 KiB
HLSL
37 lines
2.4 KiB
HLSL
// RUN: %clang_cc1 -triple spirv-unknown-vulkan-vertex -x hlsl -emit-llvm -finclude-default-header -disable-llvm-passes -o - %s | FileCheck %s --check-prefixes=CHECK,CHECK-SPIRV -DTARGET=spv
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// RUN: %clang_cc1 -triple dxil-pc-shadermodel6.3-vertex -x hlsl -emit-llvm -finclude-default-header -disable-llvm-passes -o - %s | FileCheck %s --check-prefixes=CHECK,CHECK-DXIL -DTARGET=dx
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// CHECK-SPIRV-DAG: @AAA0 = external hidden thread_local addrspace(7) externally_initialized constant float, !spirv.Decorations ![[#METADATA_0:]]
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// CHECK-SPIRV-DAG: @B0 = external hidden thread_local addrspace(7) externally_initialized constant i32, !spirv.Decorations ![[#METADATA_2:]]
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// CHECK-SPIRV-DAG: @CC0 = external hidden thread_local addrspace(7) externally_initialized constant <2 x float>, !spirv.Decorations ![[#METADATA_4:]]
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// FIXME: replace `float2 c` with a matrix when available.
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void main(float a : AAA, int b : B, float2 c : CC) {
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float tmp = a + b + c.x + c.y;
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}
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// CHECK-SPIRV: define internal spir_func void @_Z4mainfiDv2_f(float noundef nofpclass(nan inf) %a, i32 noundef %b, <2 x float> noundef nofpclass(nan inf) %c) #0 {
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// CHECK: define void @main()
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// CHECK-DXIL: %AAA0 = call float @llvm.dx.load.input.f32(i32 4, i32 0, i32 0, i8 0, i32 poison)
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// CHECK-DXIL: %B0 = call i32 @llvm.dx.load.input.i32(i32 4, i32 0, i32 0, i8 0, i32 poison)
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// CHECK-DXIL %CC0 = call <2 x float> @llvm.dx.load.input.v2f32(i32 4, i32 0, i32 0, i8 0, i32 poison)
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// CHECK-DXIL: call void @_Z4mainfiDv2_f(float %AAA0, i32 %B0, <2 x float> %CC0)
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// CHECK-SPIRV: %[[#AAA0:]] = load float, ptr addrspace(7) @AAA0, align 4
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// CHECK-SPIRV: %[[#B0:]] = load i32, ptr addrspace(7) @B0, align 4
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// CHECK-SPIRV: %[[#CC0:]] = load <2 x float>, ptr addrspace(7) @CC0, align 8
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// CHECK-SPIRV: call spir_func void @_Z4mainfiDv2_f(float %[[#AAA0]], i32 %[[#B0]], <2 x float> %[[#CC0]]) [ "convergencectrl"(token %0) ]
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// CHECK-SPIRV-DAG: ![[#METADATA_0]] = !{![[#METADATA_1:]]}
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// CHECK-SPIRV-DAG: ![[#METADATA_2]] = !{![[#METADATA_3:]]}
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// CHECK-SPIRV-DAG: ![[#METADATA_4]] = !{![[#METADATA_5:]]}
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// CHECK-SPIRV-DAG: ![[#METADATA_1]] = !{i32 30, i32 0}
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// CHECK-SPIRV-DAG: ![[#METADATA_3]] = !{i32 30, i32 1}
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// CHECK-SPIRV-DAG: ![[#METADATA_5]] = !{i32 30, i32 2}
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// | `- Location index
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// `-> Decoration "Location"
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