diff options
Diffstat (limited to 'llvm/lib/Transforms/Utils')
| -rw-r--r-- | llvm/lib/Transforms/Utils/BasicBlockUtils.cpp | 14 | ||||
| -rw-r--r-- | llvm/lib/Transforms/Utils/LoopSimplify.cpp | 7 | ||||
| -rw-r--r-- | llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp | 3 |
3 files changed, 9 insertions, 15 deletions
diff --git a/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp b/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp index c6807884404..c2304d7642b 100644 --- a/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp +++ b/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp @@ -523,10 +523,11 @@ BasicBlock *llvm::SplitBlockPredecessors(BasicBlock *BB, /// exits). /// void llvm::SplitLandingPadPredecessors(BasicBlock *OrigBB, - ArrayRef<BasicBlock*> Preds, + ArrayRef<BasicBlock *> Preds, const char *Suffix1, const char *Suffix2, - Pass *P, - SmallVectorImpl<BasicBlock*> &NewBBs) { + SmallVectorImpl<BasicBlock *> &NewBBs, + AliasAnalysis *AA, DominatorTree *DT, + LoopInfo *LI, bool PreserveLCSSA) { assert(OrigBB->isLandingPad() && "Trying to split a non-landing pad!"); // Create a new basic block for OrigBB's predecessors listed in Preds. Insert @@ -549,18 +550,11 @@ void llvm::SplitLandingPadPredecessors(BasicBlock *OrigBB, Preds[i]->getTerminator()->replaceUsesOfWith(OrigBB, NewBB1); } - // Update DominatorTree, LoopInfo, and LCCSA analysis information. - auto *DTWP = P->getAnalysisIfAvailable<DominatorTreeWrapperPass>(); - auto *DT = DTWP ? &DTWP->getDomTree() : nullptr; - auto *LIWP = P->getAnalysisIfAvailable<LoopInfoWrapperPass>(); - auto *LI = LIWP ? &LIWP->getLoopInfo() : nullptr; - bool PreserveLCSSA = P->mustPreserveAnalysisID(LCSSAID); bool HasLoopExit = false; UpdateAnalysisInformation(OrigBB, NewBB1, Preds, DT, LI, PreserveLCSSA, HasLoopExit); // Update the PHI nodes in OrigBB with the values coming from NewBB1. - AliasAnalysis *AA = P ? P->getAnalysisIfAvailable<AliasAnalysis>() : nullptr; UpdatePHINodes(OrigBB, NewBB1, Preds, BI1, AA, HasLoopExit); // Move the remaining edges from OrigBB to point to NewBB2. diff --git a/llvm/lib/Transforms/Utils/LoopSimplify.cpp b/llvm/lib/Transforms/Utils/LoopSimplify.cpp index 926c3a7fae2..725188d1bc2 100644 --- a/llvm/lib/Transforms/Utils/LoopSimplify.cpp +++ b/llvm/lib/Transforms/Utils/LoopSimplify.cpp @@ -145,7 +145,7 @@ BasicBlock *llvm::InsertPreheaderForLoop(Loop *L, Pass *PP) { } else { SmallVector<BasicBlock*, 2> NewBBs; SplitLandingPadPredecessors(Header, OutsideBlocks, ".preheader", - ".split-lp", PP, NewBBs); + ".split-lp", NewBBs, AA, DT, LI, PreserveLCSSA); PreheaderBB = NewBBs[0]; } @@ -186,9 +186,8 @@ static BasicBlock *rewriteLoopExitBlock(Loop *L, BasicBlock *Exit, if (Exit->isLandingPad()) { SmallVector<BasicBlock*, 2> NewBBs; - SplitLandingPadPredecessors(Exit, LoopBlocks, - ".loopexit", ".nonloopexit", - PP, NewBBs); + SplitLandingPadPredecessors(Exit, LoopBlocks, ".loopexit", ".nonloopexit", + NewBBs, AA, DT, LI, PreserveLCSSA); NewExitBB = NewBBs[0]; } else { NewExitBB = SplitBlockPredecessors(Exit, LoopBlocks, ".loopexit", AA, DT, diff --git a/llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp b/llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp index 82b4f0922a2..2a8c20d6b1f 100644 --- a/llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp +++ b/llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp @@ -125,7 +125,8 @@ static void ConnectProlog(Loop *L, Value *TripCount, unsigned Count, } else { SmallVector<BasicBlock*, 2> NewBBs; SplitLandingPadPredecessors(Exit, Preds, ".unr1-lcssa", ".unr2-lcssa", - P, NewBBs); + NewBBs, AA, DT, LI, + P->mustPreserveAnalysisID(LCSSAID)); } // Add the branch to the exit block (around the unrolled loop) BranchInst::Create(Exit, NewPH, BrLoopExit, InsertPt); |
