db279c72f2
An HLSL function has internal linkage by default unless it is: 1. shader entry point function 2. marked with the `export` keyword (https://github.com/llvm/llvm-project/issues/92812) 3. patch constant function (not implemented yet) This PR adds a link-time pass `DXILFinalizeLinkage` that updates the linkage of functions to make sure only shader entry points and exported functions are visible from the module (have _program linkage_). All other functions will be updated to have internal linkage. Related spec update: microsoft/hlsl-specs#295 Fixes #llvm/llvm-project#92071
76 lines
2.4 KiB
C++
76 lines
2.4 KiB
C++
//===- DirectXTargetMachine.h - DirectX Target Implementation ---*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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///
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_DIRECTX_DIRECTX_H
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#define LLVM_LIB_TARGET_DIRECTX_DIRECTX_H
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namespace llvm {
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class ModulePass;
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class PassRegistry;
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class raw_ostream;
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/// Initializer for dxil writer pass
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void initializeWriteDXILPassPass(PassRegistry &);
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/// Initializer for dxil embedder pass
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void initializeEmbedDXILPassPass(PassRegistry &);
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/// Initializer for DXIL-prepare
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void initializeDXILPrepareModulePass(PassRegistry &);
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/// Pass to convert modules into DXIL-compatable modules
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ModulePass *createDXILPrepareModulePass();
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/// Initializer for DXIL Intrinsic Expansion
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void initializeDXILIntrinsicExpansionLegacyPass(PassRegistry &);
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/// Pass to expand intrinsic operations that lack DXIL opCodes
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ModulePass *createDXILIntrinsicExpansionLegacyPass();
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/// Initializer for DXILOpLowering
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void initializeDXILOpLoweringLegacyPass(PassRegistry &);
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/// Pass to lowering LLVM intrinsic call to DXIL op function call.
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ModulePass *createDXILOpLoweringLegacyPass();
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/// Initializer for DXILTranslateMetadata.
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void initializeDXILTranslateMetadataPass(PassRegistry &);
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/// Pass to emit metadata for DXIL.
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ModulePass *createDXILTranslateMetadataPass();
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/// Initializer for DXILTranslateMetadata.
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void initializeDXILResourceMDWrapperPass(PassRegistry &);
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/// Pass to pretty print DXIL metadata.
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ModulePass *createDXILPrettyPrinterPass(raw_ostream &OS);
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/// Initializer for DXILPrettyPrinter.
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void initializeDXILPrettyPrinterPass(PassRegistry &);
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/// Initializer for dxil::ShaderFlagsAnalysisWrapper pass.
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void initializeShaderFlagsAnalysisWrapperPass(PassRegistry &);
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/// Initializer for DXContainerGlobals pass.
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void initializeDXContainerGlobalsPass(PassRegistry &);
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/// Pass for generating DXContainer part globals.
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ModulePass *createDXContainerGlobalsPass();
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/// Initializer for DXILFinalizeLinkage pass.
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void initializeDXILFinalizeLinkageLegacyPass(PassRegistry &);
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/// Pass to finalize linkage of functions.
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ModulePass *createDXILFinalizeLinkageLegacyPass();
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} // namespace llvm
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#endif // LLVM_LIB_TARGET_DIRECTX_DIRECTX_H
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