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[BasicBlockUtils] Set debug locations for instructions created in SplitBlockPredecessors.

Browse Source 
Test Plan: regression test suite

Reviewers: eugenis, dblaikie

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D10343

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239438 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alexey Samsonov
2015-06-09 22:10:29 +00:00
parent 12f81b4639
commit 8478c82b28
3 changed files with 95 additions and 4 deletions
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7
lib/Transforms/Utils/BasicBlockUtils.cpp
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@ -486,11 +486,12 @@ BasicBlock *llvm::SplitBlockPredecessors(BasicBlock *BB,
}
// Create new basic block, insert right before the original block.
BasicBlock *NewBB = BasicBlock::Create(BB->getContext(), BB->getName()+Suffix,
BB->getParent(), BB);
BasicBlock *NewBB = BasicBlock::Create(
BB->getContext(), BB->getName() + Suffix, BB->getParent(), BB);
// The new block unconditionally branches to the old block.
BranchInst *BI = BranchInst::Create(BB, NewBB);
BI->setDebugLoc(BB->getFirstNonPHI()->getDebugLoc());
// Move the edges from Preds to point to NewBB instead of BB.
for (unsigned i = 0, e = Preds.size(); i != e; ++i) {
@ -553,6 +554,7 @@ void llvm::SplitLandingPadPredecessors(BasicBlock *OrigBB,
// The new block unconditionally branches to the old block.
BranchInst *BI1 = BranchInst::Create(OrigBB, NewBB1);
BI1->setDebugLoc(OrigBB->getFirstNonPHI()->getDebugLoc());
// Move the edges from Preds to point to NewBB1 instead of OrigBB.
for (unsigned i = 0, e = Preds.size(); i != e; ++i) {
@ -593,6 +595,7 @@ void llvm::SplitLandingPadPredecessors(BasicBlock *OrigBB,
// The new block unconditionally branches to the old block.
BranchInst *BI2 = BranchInst::Create(OrigBB, NewBB2);
BI2->setDebugLoc(OrigBB->getFirstNonPHI()->getDebugLoc());
// Move the remaining edges from OrigBB to point to NewBB2.
for (SmallVectorImpl<BasicBlock*>::iterator