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authorDimitry Andric <dim@FreeBSD.org>2019-12-20 19:53:05 +0000
committerDimitry Andric <dim@FreeBSD.org>2019-12-20 19:53:05 +0000
commit0b57cec536236d46e3dba9bd041533462f33dbb7 (patch)
tree56229dbdbbf76d18580f72f789003db17246c8d9 /contrib/llvm/tools/llvm-diff/llvm-diff.cpp
parent718ef55ec7785aae63f98f8ca05dc07ed399c16d (diff)
Notes
Diffstat (limited to 'contrib/llvm/tools/llvm-diff/llvm-diff.cpp')
-rw-r--r--contrib/llvm/tools/llvm-diff/llvm-diff.cpp91
1 files changed, 0 insertions, 91 deletions
diff --git a/contrib/llvm/tools/llvm-diff/llvm-diff.cpp b/contrib/llvm/tools/llvm-diff/llvm-diff.cpp
deleted file mode 100644
index aaf7989e2e3d..000000000000
--- a/contrib/llvm/tools/llvm-diff/llvm-diff.cpp
+++ /dev/null
@@ -1,91 +0,0 @@
-//===-- llvm-diff.cpp - Module comparator command-line driver ---*- 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
-//
-//===----------------------------------------------------------------------===//
-//
-// This file defines the command-line driver for the difference engine.
-//
-//===----------------------------------------------------------------------===//
-
-#include "DiffLog.h"
-#include "DifferenceEngine.h"
-#include "llvm/ADT/StringRef.h"
-#include "llvm/IR/LLVMContext.h"
-#include "llvm/IR/Module.h"
-#include "llvm/IR/Type.h"
-#include "llvm/IRReader/IRReader.h"
-#include "llvm/Support/CommandLine.h"
-#include "llvm/Support/MemoryBuffer.h"
-#include "llvm/Support/SourceMgr.h"
-#include "llvm/Support/raw_ostream.h"
-#include <string>
-#include <utility>
-
-
-using namespace llvm;
-
-/// Reads a module from a file. On error, messages are written to stderr
-/// and null is returned.
-static std::unique_ptr<Module> readModule(LLVMContext &Context,
- StringRef Name) {
- SMDiagnostic Diag;
- std::unique_ptr<Module> M = parseIRFile(Name, Diag, Context);
- if (!M)
- Diag.print("llvm-diff", errs());
- return M;
-}
-
-static void diffGlobal(DifferenceEngine &Engine, Module &L, Module &R,
- StringRef Name) {
- // Drop leading sigils from the global name.
- if (Name.startswith("@")) Name = Name.substr(1);
-
- Function *LFn = L.getFunction(Name);
- Function *RFn = R.getFunction(Name);
- if (LFn && RFn)
- Engine.diff(LFn, RFn);
- else if (!LFn && !RFn)
- errs() << "No function named @" << Name << " in either module\n";
- else if (!LFn)
- errs() << "No function named @" << Name << " in left module\n";
- else
- errs() << "No function named @" << Name << " in right module\n";
-}
-
-static cl::opt<std::string> LeftFilename(cl::Positional,
- cl::desc("<first file>"),
- cl::Required);
-static cl::opt<std::string> RightFilename(cl::Positional,
- cl::desc("<second file>"),
- cl::Required);
-static cl::list<std::string> GlobalsToCompare(cl::Positional,
- cl::desc("<globals to compare>"));
-
-int main(int argc, char **argv) {
- cl::ParseCommandLineOptions(argc, argv);
-
- LLVMContext Context;
-
- // Load both modules. Die if that fails.
- std::unique_ptr<Module> LModule = readModule(Context, LeftFilename);
- std::unique_ptr<Module> RModule = readModule(Context, RightFilename);
- if (!LModule || !RModule) return 1;
-
- DiffConsumer Consumer;
- DifferenceEngine Engine(Consumer);
-
- // If any global names were given, just diff those.
- if (!GlobalsToCompare.empty()) {
- for (unsigned I = 0, E = GlobalsToCompare.size(); I != E; ++I)
- diffGlobal(Engine, *LModule, *RModule, GlobalsToCompare[I]);
-
- // Otherwise, diff everything in the module.
- } else {
- Engine.diff(LModule.get(), RModule.get());
- }
-
- return Consumer.hadDifferences();
-}