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authorDimitry Andric <dim@FreeBSD.org>2019-10-23 17:52:09 +0000
committerDimitry Andric <dim@FreeBSD.org>2019-10-23 17:52:09 +0000
commit519fc96c475680de2cc49e7811dbbfadb912cbcc (patch)
tree310ca684459b7e9ae13c9a3b9abf308b3a634afe /lib/AST/Interp/Disasm.cpp
parent2298981669bf3bd63335a4be179bc0f96823a8f4 (diff)
downloadsrc-vendor/clang.tar.gz
src-vendor/clang.zip
Vendor import of stripped clang trunk r375505, the last commit beforevendor/clang/clang-trunk-r375505vendor/clang
the upstream Subversion repository was made read-only, and the LLVM project migrated to GitHub: https://llvm.org/svn/llvm-project/cfe/trunk@375505
Notes
Notes: svn path=/vendor/clang/dist/; revision=353942 svn path=/vendor/clang/clang-r375505/; revision=353943; tag=vendor/clang/clang-trunk-r375505
Diffstat (limited to 'lib/AST/Interp/Disasm.cpp')
-rw-r--r--lib/AST/Interp/Disasm.cpp69
1 files changed, 69 insertions, 0 deletions
diff --git a/lib/AST/Interp/Disasm.cpp b/lib/AST/Interp/Disasm.cpp
new file mode 100644
index 000000000000..e77a825eb1f2
--- /dev/null
+++ b/lib/AST/Interp/Disasm.cpp
@@ -0,0 +1,69 @@
+//===--- 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"
+
+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)) {
+ const std::string &Name = Cons->getParent()->getNameAsString();
+ OS << Name << "::" << Name << ":\n";
+ } else {
+ OS << F->getNameAsString() << ":\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();
+ }
+}