2fc42c7163
This commits adds the first part of the output semantics. It only considers return values (and sret), but does not handle `inout` or `out` parameters yet. Those missing bits will reuse the same code, but will require additional testing & some fixups, so planning on adding them separately.
38 lines
2.1 KiB
HLSL
38 lines
2.1 KiB
HLSL
// RUN: %clang_cc1 -triple spirv-linux-vulkan-library -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-px-shadermodel6.3-library -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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struct S0 {
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float4 position[2];
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float4 color;
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};
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// CHECK-SPIRV-DAG: @A0 = external hidden thread_local addrspace(7) externally_initialized constant <4 x float>, !spirv.Decorations ![[#METADATA_0:]]
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[shader("pixel")]
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S0 main1(float4 input : A) : B {
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// CHECK: %[[#ARG:]] = alloca %struct.S0, align 16
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// CHECK-SPIRV: %[[#INPUT:]] = load <4 x float>, ptr addrspace(7) @A0, align 16
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// CHECK-DXIL: %A0 = call <4 x float> @llvm.dx.load.input.v4f32(i32 4, i32 0, i32 0, i8 0, i32 poison)
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// CHECK-DXIL: call void @{{.*}}main1{{.*}}(ptr %[[#ARG]], <4 x float> %A0)
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// CHECK-SPIRV: call spir_func void @{{.*}}main1{{.*}}(ptr %[[#ARG]], <4 x float> %[[#INPUT]])
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// CHECK: %[[#ST:]] = load %struct.S0, ptr %[[#ARG]], align 16
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// CHECK: %[[#TMP:]] = extractvalue %struct.S0 %[[#ST]], 0
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// CHECK-SPIRV: store [2 x <4 x float>] %[[#TMP]], ptr addrspace(8) @B0, align 16
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// CHECK-DXIL: call void @llvm.dx.store.output.a2v4f32(i32 4, i32 0, i32 0, i8 0, i32 poison, [2 x <4 x float>] %[[#TMP]])
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// CHECK: %[[#TMP:]] = extractvalue %struct.S0 %[[#ST]], 1
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// CHECK-SPIRV: store <4 x float> %[[#TMP]], ptr addrspace(8) @B2, align 16
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// CHECK-DXIL: call void @llvm.dx.store.output.v4f32(i32 4, i32 0, i32 0, i8 0, i32 poison, <4 x float> %[[#TMP]])
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S0 output;
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output.position[0] = input;
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output.position[1] = input;
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output.color = input;
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return output;
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}
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// CHECK-SPIRV-DAG: ![[#METADATA_0]] = !{![[#METADATA_1:]]}
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// CHECK-SPIRV-DAG: ![[#METADATA_1]] = !{i32 30, i32 0}
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// | `- Location index
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// `-> Decoration "Location"
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