llvm-project/llvm/tools/llvm-reduce/deltas/ReduceModuleData.cpp
Arthur Eubanks d2e103644b [llvm-reduce] Remove various module data
This removes the data layout, target triple, source filename, and module
identifier when possible.

Reviewed By: swamulism

Differential Revision: https://reviews.llvm.org/D108568
2021-08-24 09:45:31 -07:00

37 lines
1.2 KiB
C++

//===- ReduceModuleData.cpp -----------------------------------------------===//
//
// 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 implements a reduce pass to reduce various module data.
//
//===----------------------------------------------------------------------===//
#include "ReduceModuleData.h"
using namespace llvm;
static void clearModuleData(std::vector<Chunk> ChunksToKeep, Module *Program) {
Oracle O(ChunksToKeep);
if (!O.shouldKeep())
Program->setModuleIdentifier("");
if (!O.shouldKeep())
Program->setSourceFileName("");
if (!O.shouldKeep())
Program->setDataLayout("");
if (!O.shouldKeep())
Program->setTargetTriple("");
// TODO: clear line by line rather than all at once
if (!O.shouldKeep())
Program->setModuleInlineAsm("");
}
void llvm::reduceModuleDataDeltaPass(TestRunner &Test) {
outs() << "*** Reducing Module Data...\n";
runDeltaPass(Test, 5, clearModuleData);
}