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.
27 lines
1.5 KiB
HLSL
27 lines
1.5 KiB
HLSL
// RUN: %clang_cc1 -triple dxil-pc-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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// 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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// Make sure SV_DispatchThreadID translated into dx.thread.id.
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// CHECK: define void @foo()
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// CHECK-DXIL: %[[#ID:]] = call i32 @llvm.[[TARGET]].thread.id(i32 0)
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// CHECK-SPIRV: %[[#ID:]] = call i32 @llvm.[[TARGET]].thread.id.i32(i32 0)
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// CHECK-DXIL: call void @{{.*}}foo{{.*}}(i32 %[[#ID]])
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// CHECK-SPIRV: call spir_func void @{{.*}}foo{{.*}}(i32 %[[#ID]])
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[shader("compute")]
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[numthreads(8,8,1)]
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void foo(uint Idx : SV_DispatchThreadID) {}
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// CHECK: define void @bar()
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// CHECK-DXIL: %[[#ID_X:]] = call i32 @llvm.[[TARGET]].thread.id(i32 0)
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// CHECK-SPIRV: %[[#ID_X:]] = call i32 @llvm.[[TARGET]].thread.id.i32(i32 0)
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// CHECK: %[[#ID_X_:]] = insertelement <2 x i32> poison, i32 %[[#ID_X]], i64 0
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// CHECK-DXIL: %[[#ID_Y:]] = call i32 @llvm.[[TARGET]].thread.id(i32 1)
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// CHECK-SPIRV: %[[#ID_Y:]] = call i32 @llvm.[[TARGET]].thread.id.i32(i32 1)
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// CHECK: %[[#ID_XY:]] = insertelement <2 x i32> %[[#ID_X_]], i32 %[[#ID_Y]], i64 1
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// CHECK-DXIL: call void @{{.*}}bar{{.*}}(<2 x i32> %[[#ID_XY]])
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// CHECK-SPIRV: call spir_func void @{{.*}}bar{{.*}}(<2 x i32> %[[#ID_XY]])
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[shader("compute")]
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[numthreads(8,8,1)]
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void bar(uint2 Idx : SV_DispatchThreadID) {}
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