diff options
Diffstat (limited to 'lib/Transforms/Scalar/LoopUnswitch.cpp')
-rw-r--r-- | lib/Transforms/Scalar/LoopUnswitch.cpp | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/lib/Transforms/Scalar/LoopUnswitch.cpp b/lib/Transforms/Scalar/LoopUnswitch.cpp index 27fd2ef5a6..b9c41a9577 100644 --- a/lib/Transforms/Scalar/LoopUnswitch.cpp +++ b/lib/Transforms/Scalar/LoopUnswitch.cpp @@ -619,15 +619,15 @@ void LoopUnswitch::UnswitchNontrivialCondition(Value *LIC, Constant *Val, NewBlocks.reserve(LoopBlocks.size()); DenseMap<const Value*, Value*> ValueMap; for (unsigned i = 0, e = LoopBlocks.size(); i != e; ++i) { - BasicBlock *New = CloneBasicBlock(LoopBlocks[i], ValueMap, ".us", F); - NewBlocks.push_back(New); - ValueMap[LoopBlocks[i]] = New; // Keep the BB mapping. - LPM->cloneBasicBlockSimpleAnalysis(LoopBlocks[i], New, L); + BasicBlock *NewBB = CloneBasicBlock(LoopBlocks[i], ValueMap, ".us", F); + NewBlocks.push_back(NewBB); + ValueMap[LoopBlocks[i]] = NewBB; // Keep the BB mapping. + LPM->cloneBasicBlockSimpleAnalysis(LoopBlocks[i], NewBB, L); } // Splice the newly inserted blocks into the function right before the // original preheader. - F->getBasicBlockList().splice(LoopBlocks[0], F->getBasicBlockList(), + F->getBasicBlockList().splice(NewPreheader, F->getBasicBlockList(), NewBlocks[0], F->end()); // Now we create the new Loop object for the versioned loop. @@ -652,8 +652,8 @@ void LoopUnswitch::UnswitchNontrivialCondition(Value *LIC, Constant *Val, // If the successor of the exit block had PHI nodes, add an entry for // NewExit. PHINode *PN; - for (BasicBlock::iterator I = ExitSucc->begin(); - (PN = dyn_cast<PHINode>(I)); ++I) { + for (BasicBlock::iterator I = ExitSucc->begin(); isa<PHINode>(I); ++I) { + PN = cast<PHINode>(I); Value *V = PN->getIncomingValueForBlock(ExitBlocks[i]); DenseMap<const Value *, Value*>::iterator It = ValueMap.find(V); if (It != ValueMap.end()) V = It->second; @@ -682,7 +682,7 @@ void LoopUnswitch::UnswitchNontrivialCondition(Value *LIC, Constant *Val, // Now we rewrite the original code to know that the condition is true and the // new code to know that the condition is false. - RewriteLoopBodyWithConditionConstant(L , LIC, Val, false); + RewriteLoopBodyWithConditionConstant(L, LIC, Val, false); // It's possible that simplifying one loop could cause the other to be // deleted. If so, don't simplify it. |