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Use an ArrayRef instead of explicit vector type.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155816 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling 2012-04-30 10:25:51 +00:00
parent 6d15e87177
commit 38da2a8cc1
1 changed files with 5 additions and 8 deletions
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13
lib/Transforms/Utils/BreakCriticalEdges.cpp
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@ -117,12 +117,12 @@ bool llvm::isCriticalEdge(const TerminatorInst *TI, unsigned SuccNum,
return false;
}
/// CreatePHIsForSplitLoopExit - When a loop exit edge is split, LCSSA form
/// createPHIsForSplitLoopExit - When a loop exit edge is split, LCSSA form
/// may require new PHIs in the new exit block. This function inserts the
/// new PHIs, as needed. Preds is a list of preds inside the loop, SplitBB
/// is the new loop exit block, and DestBB is the old loop exit, now the
/// successor of SplitBB.
static void CreatePHIsForSplitLoopExit(SmallVectorImpl<BasicBlock *> &Preds,
static void createPHIsForSplitLoopExit(ArrayRef<BasicBlock *> Preds,
BasicBlock *SplitBB,
BasicBlock *DestBB) {
// SplitBB shouldn't have anything non-trivial in it yet.
@ -335,11 +335,8 @@ BasicBlock *llvm::SplitCriticalEdge(TerminatorInst *TI, unsigned SuccNum,
"Split point for loop exit is contained in loop!");
// Update LCSSA form in the newly created exit block.
if (P->mustPreserveAnalysisID(LCSSAID)) {
SmallVector<BasicBlock *, 1> OrigPred;
OrigPred.push_back(TIBB);
CreatePHIsForSplitLoopExit(OrigPred, NewBB, DestBB);
}
if (P->mustPreserveAnalysisID(LCSSAID))
createPHIsForSplitLoopExit(TIBB, NewBB, DestBB);
// For each unique exit block...
// FIXME: This code is functionally equivalent to the corresponding
@ -374,7 +371,7 @@ BasicBlock *llvm::SplitCriticalEdge(TerminatorInst *TI, unsigned SuccNum,
BasicBlock *NewExitBB =
SplitBlockPredecessors(Exit, Preds, "split", P);
if (P->mustPreserveAnalysisID(LCSSAID))
CreatePHIsForSplitLoopExit(Preds, NewExitBB, Exit);
createPHIsForSplitLoopExit(Preds, NewExitBB, Exit);
}
}
}