diff options
Diffstat (limited to 'llvm/lib/Transforms/Utils/FlattenCFG.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/FlattenCFG.cpp | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/llvm/lib/Transforms/Utils/FlattenCFG.cpp b/llvm/lib/Transforms/Utils/FlattenCFG.cpp index cadc5921346..492ae9f69a6 100644 --- a/llvm/lib/Transforms/Utils/FlattenCFG.cpp +++ b/llvm/lib/Transforms/Utils/FlattenCFG.cpp @@ -28,12 +28,11 @@ class FlattenCFGOpt { AliasAnalysis *AA; /// \brief Use parallel-and or parallel-or to generate conditions for /// conditional branches. - bool FlattenParallelAndOr(BasicBlock *BB, IRBuilder<> &Builder, - Pass *P = nullptr); + bool FlattenParallelAndOr(BasicBlock *BB, IRBuilder<> &Builder); /// \brief If \param BB is the merge block of an if-region, attempt to merge /// the if-region with an adjacent if-region upstream if two if-regions /// contain identical instructions. - bool MergeIfRegion(BasicBlock *BB, IRBuilder<> &Builder, Pass *P = nullptr); + bool MergeIfRegion(BasicBlock *BB, IRBuilder<> &Builder); /// \brief Compare a pair of blocks: \p Block1 and \p Block2, which /// are from two if-regions whose entry blocks are \p Head1 and \p /// Head2. \returns true if \p Block1 and \p Block2 contain identical @@ -122,8 +121,7 @@ public: /// its predecessor. In Case 2, \param BB (BB3) only has conditional branches /// as its predecessors. /// -bool FlattenCFGOpt::FlattenParallelAndOr(BasicBlock *BB, IRBuilder<> &Builder, - Pass *P) { +bool FlattenCFGOpt::FlattenParallelAndOr(BasicBlock *BB, IRBuilder<> &Builder) { PHINode *PHI = dyn_cast<PHINode>(BB->begin()); if (PHI) return false; // For simplicity, avoid cases containing PHI nodes. @@ -387,8 +385,7 @@ bool FlattenCFGOpt::CompareIfRegionBlock(BasicBlock *Head1, BasicBlock *Head2, /// if (a || b) /// statement; /// -bool FlattenCFGOpt::MergeIfRegion(BasicBlock *BB, IRBuilder<> &Builder, - Pass *P) { +bool FlattenCFGOpt::MergeIfRegion(BasicBlock *BB, IRBuilder<> &Builder) { BasicBlock *IfTrue2, *IfFalse2; Value *IfCond2 = GetIfCondition(BB, IfTrue2, IfFalse2); Instruction *CInst2 = dyn_cast_or_null<Instruction>(IfCond2); |
