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Changes because the Terminator::getSuccessor function now FAILS if successor

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IDX is out of range instead of returning null.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2332 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2002-04-27 03:15:45 +00:00
parent 35504209a0
commit f2361c5e5c
2 changed files with 11 additions and 6 deletions
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13
lib/Transforms/IPO/MutateStructTypes.cpp
View File

@ -369,10 +369,15 @@ void MutateStructTypes::transformMethod(Function *m) {
break;
case Instruction::Br: {
const BranchInst *BI = cast<BranchInst>(I);
NewI = new BranchInst(
cast<BasicBlock>(ConvertValue(BI->getSuccessor(0))),
cast_or_null<BasicBlock>(ConvertValue(BI->getSuccessor(1))),
ConvertValue(BI->getCondition()));
if (BI->isConditional()) {
NewI =
new BranchInst(cast<BasicBlock>(ConvertValue(BI->getSuccessor(0))),
cast<BasicBlock>(ConvertValue(BI->getSuccessor(1))),
ConvertValue(BI->getCondition()));
} else {
NewI =
new BranchInst(cast<BasicBlock>(ConvertValue(BI->getSuccessor(0))));
}
break;
}
case Instruction::Switch:

4
lib/Transforms/Scalar/SCCP.cpp
View File

@ -397,8 +397,8 @@ void SCCP::visitBranchInst(BranchInst *BI) {
void SCCP::visitSwitchInst(SwitchInst *SI) {
InstVal &SCValue = getValueState(SI->getCondition());
if (SCValue.isOverdefined()) { // Overdefined condition? All dests are exe
for(unsigned i = 0; BasicBlock *Succ = SI->getSuccessor(i); ++i)
markExecutable(Succ);
for(unsigned i = 0, E = SI->getNumSuccessors(); i != E; ++i)
markExecutable(SI->getSuccessor(i));
} else if (SCValue.isConstant()) {
Constant *CPV = SCValue.getConstant();
// Make sure to skip the "default value" which isn't a value