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//===--- Disasm.cpp - Disassembler for bytecode functions -------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// Dump method for Function which disassembles the bytecode.
//
//===----------------------------------------------------------------------===//
#include "Function.h"
#include "Opcode.h"
#include "PrimType.h"
#include "Program.h"
#include "clang/AST/DeclCXX.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/Format.h"
using namespace clang;
using namespace clang::interp;
LLVM_DUMP_METHOD void Function::dump() const { dump(llvm::errs()); }
LLVM_DUMP_METHOD void Function::dump(llvm::raw_ostream &OS) const {
if (F) {
if (auto *Cons = dyn_cast<CXXConstructorDecl>(F)) {
DeclarationName Name = Cons->getParent()->getDeclName();
OS << Name << "::" << Name << ":\n";
} else {
OS << F->getDeclName() << ":\n";
}
} else {
OS << "<<expr>>\n";
}
OS << "frame size: " << getFrameSize() << "\n";
OS << "arg size: " << getArgSize() << "\n";
OS << "rvo: " << hasRVO() << "\n";
auto PrintName = [&OS](const char *Name) {
OS << Name;
for (long I = 0, N = strlen(Name); I < 30 - N; ++I) {
OS << ' ';
}
};
for (CodePtr Start = getCodeBegin(), PC = Start; PC != getCodeEnd();) {
size_t Addr = PC - Start;
auto Op = PC.read<Opcode>();
OS << llvm::format("%8d", Addr) << " ";
switch (Op) {
#define GET_DISASM
#include "Opcodes.inc"
#undef GET_DISASM
}
}
}
LLVM_DUMP_METHOD void Program::dump() const { dump(llvm::errs()); }
LLVM_DUMP_METHOD void Program::dump(llvm::raw_ostream &OS) const {
for (auto &Func : Funcs) {
Func.second->dump();
}
for (auto &Anon : AnonFuncs) {
Anon->dump();
}
}
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