5cd0ba30f5
On MSVC the `this` uses inside `decltype` require a lambda capture. On clang they result in an unused capture warning instead. Add the capture and suppress the warning with `(void)this`. ----- Initializing this map is somewhat expensive (especially for O0), so we currently only do it if certain flags are used. I would like to make use of it for crash dumps (#96078), where we don't know in advance whether it will be needed or not. This patch changes the initialization to a lazy approach, where a callback is registered that does the actual initialization. The callbacks will be run the first time the pass name is requested. This way there is no compile-time impact if the mapping is not used.
55 lines
2.0 KiB
C++
55 lines
2.0 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_DIRECTX_DIRECTXTARGETMACHINE_H
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#define LLVM_DIRECTX_DIRECTXTARGETMACHINE_H
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#include "DirectXSubtarget.h"
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#include "llvm/Target/TargetMachine.h"
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#include <optional>
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namespace llvm {
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class Function;
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class DirectXTargetMachine : public LLVMTargetMachine {
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std::unique_ptr<TargetLoweringObjectFile> TLOF;
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std::unique_ptr<DirectXSubtarget> Subtarget;
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public:
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DirectXTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
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StringRef FS, const TargetOptions &Options,
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std::optional<Reloc::Model> RM,
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std::optional<CodeModel::Model> CM, CodeGenOptLevel OL,
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bool JIT);
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~DirectXTargetMachine() override;
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bool addPassesToEmitFile(PassManagerBase &PM, raw_pwrite_stream &Out,
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raw_pwrite_stream *DwoOut, CodeGenFileType FileType,
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bool DisableVerify,
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MachineModuleInfoWrapperPass *MMIWP) override;
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bool addPassesToEmitMC(PassManagerBase &PM, MCContext *&Ctx,
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raw_pwrite_stream &Out, bool DisableVerify) override;
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const DirectXSubtarget *getSubtargetImpl(const Function &) const override;
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TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
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TargetLoweringObjectFile *getObjFileLowering() const override {
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return TLOF.get();
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}
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TargetTransformInfo getTargetTransformInfo(const Function &F) const override;
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void registerPassBuilderCallbacks(PassBuilder &PB) override;
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};
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} // namespace llvm
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#endif // LLVM_DIRECTX_DIRECTXTARGETMACHINE_H
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