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Update the block cloner which fixes bugpoint on code using unwind_to (phew!)

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and also update the cloning interface's major user, the loop optimizations.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48088 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nick Lewycky
2008-03-09 05:24:34 +00:00
parent 6af31aab63
commit 529de8a457
7 changed files with 45 additions and 16 deletions
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10
lib/Transforms/Scalar/LoopUnroll.cpp
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@ -396,10 +396,14 @@ bool LoopUnroll::unrollLoop(Loop *L, unsigned Count, unsigned Threshold) {
}
// Remap all instructions in the most recent iteration
for (unsigned i = 0; i < NewBlocks.size(); ++i)
for (BasicBlock::iterator I = NewBlocks[i]->begin(),
E = NewBlocks[i]->end(); I != E; ++I)
for (unsigned i = 0; i < NewBlocks.size(); ++i) {
BasicBlock *NB = NewBlocks[i];
if (BasicBlock *UnwindDest = NB->getUnwindDest())
NB->setUnwindDest(cast<BasicBlock>(LastValueMap[UnwindDest]));
for (BasicBlock::iterator I = NB->begin(), E = NB->end(); I != E; ++I)
RemapInstruction(I, LastValueMap);
}
}
// The latch block exits the loop. If there are any PHI nodes in the