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Diffstat (limited to 'contrib/llvm/tools/bugpoint/TestPasses.cpp')
-rw-r--r-- | contrib/llvm/tools/bugpoint/TestPasses.cpp | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/contrib/llvm/tools/bugpoint/TestPasses.cpp b/contrib/llvm/tools/bugpoint/TestPasses.cpp deleted file mode 100644 index 900bf63..0000000 --- a/contrib/llvm/tools/bugpoint/TestPasses.cpp +++ /dev/null @@ -1,75 +0,0 @@ -//===- TestPasses.cpp - "buggy" passes used to test bugpoint --------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file contains "buggy" passes that are used to test bugpoint, to check -// that it is narrowing down testcases correctly. -// -//===----------------------------------------------------------------------===// - -#include "llvm/BasicBlock.h" -#include "llvm/Constant.h" -#include "llvm/Instructions.h" -#include "llvm/Pass.h" -#include "llvm/Type.h" -#include "llvm/Support/InstVisitor.h" - -using namespace llvm; - -namespace { - /// CrashOnCalls - This pass is used to test bugpoint. It intentionally - /// crashes on any call instructions. - class CrashOnCalls : public BasicBlockPass { - public: - static char ID; // Pass ID, replacement for typeid - CrashOnCalls() : BasicBlockPass(&ID) {} - private: - virtual void getAnalysisUsage(AnalysisUsage &AU) const { - AU.setPreservesAll(); - } - - bool runOnBasicBlock(BasicBlock &BB) { - for (BasicBlock::iterator I = BB.begin(), E = BB.end(); I != E; ++I) - if (isa<CallInst>(*I)) - abort(); - - return false; - } - }; - - char CrashOnCalls::ID = 0; - RegisterPass<CrashOnCalls> - X("bugpoint-crashcalls", - "BugPoint Test Pass - Intentionally crash on CallInsts"); -} - -namespace { - /// DeleteCalls - This pass is used to test bugpoint. It intentionally - /// deletes some call instructions, "misoptimizing" the program. - class DeleteCalls : public BasicBlockPass { - public: - static char ID; // Pass ID, replacement for typeid - DeleteCalls() : BasicBlockPass(&ID) {} - private: - bool runOnBasicBlock(BasicBlock &BB) { - for (BasicBlock::iterator I = BB.begin(), E = BB.end(); I != E; ++I) - if (CallInst *CI = dyn_cast<CallInst>(I)) { - if (!CI->use_empty()) - CI->replaceAllUsesWith(Constant::getNullValue(CI->getType())); - CI->getParent()->getInstList().erase(CI); - break; - } - return false; - } - }; - - char DeleteCalls::ID = 0; - RegisterPass<DeleteCalls> - Y("bugpoint-deletecalls", - "BugPoint Test Pass - Intentionally 'misoptimize' CallInsts"); -} |