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648ce3d358
This change removes the `tidyLandingPads` function, which previously had a few responsibilities: 1. Dealing with the deletion of an invoke, after MachineFunction lowering. 2. Dealing with the deletion of a landing pad BB, after MachineFunction lowering. 3. Cleaning up the type-id list generated by `MachineFunction::addLandingPad`. Case 3 has been fixed in the generator, and the others are now handled during table emission. This change also removes `MachineFunction`'s `addCatchTypeInfo`, `addFilterTypeInfo`, and `addCleanup` helper fns, as they had a single caller, and being outlined didn't make it simpler. Finally, as calling `tidyLandingPads` was effectively the only thing `DwarfCFIExceptionBase` did, that class has been eliminated.
45 lines
1.4 KiB
C++
45 lines
1.4 KiB
C++
//===-- WasmException.h - Wasm Exception Framework -------------*- 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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// This file contains support for writing WebAssembly exception info into asm
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// files.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_CODEGEN_ASMPRINTER_WASMEXCEPTION_H
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#define LLVM_LIB_CODEGEN_ASMPRINTER_WASMEXCEPTION_H
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#include "EHStreamer.h"
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namespace llvm {
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class AsmPrinter;
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class MachineFunction;
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struct LandingPadInfo;
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template <typename T> class SmallVectorImpl;
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class LLVM_LIBRARY_VISIBILITY WasmException : public EHStreamer {
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public:
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WasmException(AsmPrinter *A) : EHStreamer(A) {}
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void endModule() override;
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void beginFunction(const MachineFunction *MF) override {}
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void endFunction(const MachineFunction *MF) override;
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protected:
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// Compute the call site table for wasm EH.
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void computeCallSiteTable(
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SmallVectorImpl<CallSiteEntry> &CallSites,
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SmallVectorImpl<CallSiteRange> &CallSiteRanges,
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const SmallVectorImpl<const LandingPadInfo *> &LandingPads,
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const SmallVectorImpl<unsigned> &FirstActions) override;
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};
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} // End of namespace llvm
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#endif
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