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fix a nasty iterator invalidation bug from my conversion from

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std::map to DenseMap, exposed on release llvm-gcc bootstrap.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85840 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2009-11-02 23:25:39 +00:00
parent 454ac8961b
commit 5cc66d979d
1 changed files with 2 additions and 3 deletions
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5
lib/Transforms/Scalar/SCCP.cpp
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@ -1079,8 +1079,7 @@ void SCCPSolver::visitShuffleVectorInst(ShuffleVectorInst &I) {
// can turn this into a getelementptr ConstantExpr.
//
void SCCPSolver::visitGetElementPtrInst(GetElementPtrInst &I) {
LatticeVal &IV = ValueState[&I];
if (IV.isOverdefined()) return;
if (ValueState[&I].isOverdefined()) return;
SmallVector<Constant*, 8> Operands;
Operands.reserve(I.getNumOperands());
@ -1091,7 +1090,7 @@ void SCCPSolver::visitGetElementPtrInst(GetElementPtrInst &I) {
return; // Operands are not resolved yet.
if (State.isOverdefined())
return markOverdefined(IV, &I);
return markOverdefined(&I);
assert(State.isConstant() && "Unknown state!");
Operands.push_back(State.getConstant());