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A couple misc fixes so that bugpoint doesn't explode reducing code containing landingpads.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143435 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eli Friedman 2011-11-01 04:40:56 +00:00
parent 0325053da3
commit 597362a54b
1 changed files with 5 additions and 1 deletions
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6
tools/bugpoint/CrashDebugger.cpp
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@ -401,7 +401,8 @@ bool ReduceCrashingInstructions::TestInsts(std::vector<const Instruction*>
for (Function::iterator FI = MI->begin(), FE = MI->end(); FI != FE; ++FI)
for (BasicBlock::iterator I = FI->begin(), E = FI->end(); I != E;) {
Instruction *Inst = I++;
if (!Instructions.count(Inst) && !isa<TerminatorInst>(Inst)) {
if (!Instructions.count(Inst) && !isa<TerminatorInst>(Inst) &&
!isa<LandingPadInst>(Inst)) {
if (!Inst->getType()->isVoidTy())
Inst->replaceAllUsesWith(UndefValue::get(Inst->getType()));
Inst->eraseFromParent();
@ -574,6 +575,9 @@ static bool DebugACrash(BugDriver &BD,
} else {
if (BugpointIsInterrupted) goto ExitLoops;
if (isa<LandingPadInst>(I))
continue;
outs() << "Checking instruction: " << *I;
Module *M = BD.deleteInstructionFromProgram(I, Simplification);