d56fa96524
As part of the Root Signature Spec, we need to validate if Root Signatures are not defining overlapping ranges. Closes: https://github.com/llvm/llvm-project/issues/126645 --------- Co-authored-by: joaosaffran <joao.saffran@microsoft.com> Co-authored-by: Joao Saffran <{ID}+{username}@users.noreply.github.com> Co-authored-by: Joao Saffran <jderezende@microsoft.com>
98 lines
2.8 KiB
C++
98 lines
2.8 KiB
C++
//===- DXILRootSignature.h - DXIL Root Signature helper objects -----------===//
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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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/// \file This file contains helper objects and APIs for working with DXIL
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/// Root Signatures.
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///
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_DIRECTX_DXILROOTSIGNATURE_H
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#define LLVM_LIB_TARGET_DIRECTX_DXILROOTSIGNATURE_H
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#include "llvm/ADT/DenseMap.h"
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#include "llvm/Analysis/DXILMetadataAnalysis.h"
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#include "llvm/IR/DiagnosticInfo.h"
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#include "llvm/IR/Metadata.h"
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#include "llvm/IR/Module.h"
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#include "llvm/IR/PassManager.h"
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#include "llvm/MC/DXContainerRootSignature.h"
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#include "llvm/Pass.h"
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#include <optional>
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namespace llvm {
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namespace dxil {
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class RootSignatureBindingInfo {
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private:
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SmallDenseMap<const Function *, mcdxbc::RootSignatureDesc> FuncToRsMap;
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public:
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using iterator =
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SmallDenseMap<const Function *, mcdxbc::RootSignatureDesc>::iterator;
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RootSignatureBindingInfo() = default;
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RootSignatureBindingInfo(
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SmallDenseMap<const Function *, mcdxbc::RootSignatureDesc> Map)
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: FuncToRsMap(Map) {};
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iterator find(const Function *F) { return FuncToRsMap.find(F); }
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iterator end() { return FuncToRsMap.end(); }
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mcdxbc::RootSignatureDesc *getDescForFunction(const Function *F) {
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const auto FuncRs = find(F);
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if (FuncRs == end())
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return nullptr;
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return &FuncRs->second;
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}
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};
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class RootSignatureAnalysis : public AnalysisInfoMixin<RootSignatureAnalysis> {
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friend AnalysisInfoMixin<RootSignatureAnalysis>;
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static AnalysisKey Key;
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public:
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RootSignatureAnalysis() = default;
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using Result = RootSignatureBindingInfo;
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Result run(Module &M, ModuleAnalysisManager &AM);
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};
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/// Wrapper pass for the legacy pass manager.
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///
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/// This is required because the passes that will depend on this are codegen
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/// passes which run through the legacy pass manager.
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class RootSignatureAnalysisWrapper : public ModulePass {
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private:
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std::unique_ptr<RootSignatureBindingInfo> FuncToRsMap;
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public:
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static char ID;
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RootSignatureAnalysisWrapper() : ModulePass(ID) {}
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RootSignatureBindingInfo &getRSInfo() { return *FuncToRsMap; }
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bool runOnModule(Module &M) override;
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void getAnalysisUsage(AnalysisUsage &AU) const override;
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};
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/// Printer pass for RootSignatureAnalysis results.
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class RootSignatureAnalysisPrinter
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: public PassInfoMixin<RootSignatureAnalysisPrinter> {
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raw_ostream &OS;
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public:
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explicit RootSignatureAnalysisPrinter(raw_ostream &OS) : OS(OS) {}
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PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM);
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};
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} // namespace dxil
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} // namespace llvm
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#endif
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