diff options
Diffstat (limited to 'lib/Transforms/Utils/BreakCriticalEdges.cpp')
-rw-r--r-- | lib/Transforms/Utils/BreakCriticalEdges.cpp | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/lib/Transforms/Utils/BreakCriticalEdges.cpp b/lib/Transforms/Utils/BreakCriticalEdges.cpp index f752d7981c..0de3befa4e 100644 --- a/lib/Transforms/Utils/BreakCriticalEdges.cpp +++ b/lib/Transforms/Utils/BreakCriticalEdges.cpp @@ -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); } } } |