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Fix an ugly problem in SCCP. This fixes Benchmarks/Misc-C++/mandel-text.cpp

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llvm-svn: 31073
This commit is contained in:
Chris Lattner 2006-10-20 20:19:08 +00:00
parent 38ed7d9e49
commit 6ea0134893
1 changed files with 3 additions and 2 deletions
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5
lib/Transforms/Scalar/SCCP.cpp
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@ -1032,7 +1032,7 @@ bool SCCPSolver::ResolveBranchesIn(Function &F) {
if (BI->isConditional()) {
LatticeVal &BCValue = getValueState(BI->getCondition());
if (BCValue.isUndefined()) {
BI->setCondition(ConstantBool::getTrue());
BCValue.markOverdefined();
BranchesResolved = true;
visit(BI);
}
@ -1041,7 +1041,8 @@ bool SCCPSolver::ResolveBranchesIn(Function &F) {
LatticeVal &SCValue = getValueState(SI->getCondition());
if (SCValue.isUndefined()) {
const Type *CondTy = SI->getCondition()->getType();
SI->setCondition(Constant::getNullValue(CondTy));
// Pick and arbitrary direction for the switch to go.
SCValue.markOverdefined();
BranchesResolved = true;
visit(SI);
}