diff options
Diffstat (limited to 'llvm/lib/Transforms/Scalar/JumpThreading.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/JumpThreading.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/llvm/lib/Transforms/Scalar/JumpThreading.cpp b/llvm/lib/Transforms/Scalar/JumpThreading.cpp index f71376827a4..d3b9a34ba39 100644 --- a/llvm/lib/Transforms/Scalar/JumpThreading.cpp +++ b/llvm/lib/Transforms/Scalar/JumpThreading.cpp @@ -769,7 +769,7 @@ bool JumpThreading::ProcessBlock(BasicBlock *BB) { // If we're branching on a conditional, LVI might be able to determine // it's value at the branch instruction. We only handle comparisons // against a constant at this time. - // TODO: This should be extended to handle switches as well. + // TODO: This should be extended to handle switches as well. BranchInst *CondBr = dyn_cast<BranchInst>(BB->getTerminator()); Constant *CondConst = dyn_cast<Constant>(CondCmp->getOperand(1)); if (CondBr && CondConst && CondBr->isConditional()) { @@ -877,7 +877,7 @@ bool JumpThreading::SimplifyPartiallyRedundantLoad(LoadInst *LI) { BasicBlock::iterator BBIt = LI; if (Value *AvailableVal = - FindAvailableLoadedValue(LoadedPtr, LoadBB, BBIt, 6)) { + FindAvailableLoadedValue(LoadedPtr, LoadBB, BBIt)) { // If the value if the load is locally available within the block, just use // it. This frequently occurs for reg2mem'd allocas. //cerr << "LOAD ELIMINATED:\n" << *BBIt << *LI << "\n"; @@ -922,7 +922,8 @@ bool JumpThreading::SimplifyPartiallyRedundantLoad(LoadInst *LI) { // Scan the predecessor to see if the value is available in the pred. BBIt = PredBB->end(); AAMDNodes ThisAATags; - Value *PredAvailable = FindAvailableLoadedValue(LoadedPtr, PredBB, BBIt, 6, + Value *PredAvailable = FindAvailableLoadedValue(LoadedPtr, PredBB, BBIt, + DEF_MAX_INSTS_TO_SCAN, nullptr, &ThisAATags); if (!PredAvailable) { OneUnavailablePred = PredBB; |
