diff options
Diffstat (limited to 'llvm/lib/Transforms/Utils')
| -rw-r--r-- | llvm/lib/Transforms/Utils/LoopUtils.cpp | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/llvm/lib/Transforms/Utils/LoopUtils.cpp b/llvm/lib/Transforms/Utils/LoopUtils.cpp index c9c50cd7384..01f3b2dddd3 100644 --- a/llvm/lib/Transforms/Utils/LoopUtils.cpp +++ b/llvm/lib/Transforms/Utils/LoopUtils.cpp @@ -1491,10 +1491,8 @@ void llvm::computeLoopSafetyInfo(LoopSafetyInfo *SafetyInfo, Loop *CurLoop) { SafetyInfo->MayThrow = false; SafetyInfo->HeaderMayThrow = false; // Iterate over header and compute safety info. - for (BasicBlock::iterator I = Header->begin(), E = Header->end(); - (I != E) && !SafetyInfo->HeaderMayThrow; ++I) - SafetyInfo->HeaderMayThrow |= - !isGuaranteedToTransferExecutionToSuccessor(&*I); + SafetyInfo->HeaderMayThrow = + !isGuaranteedToTransferExecutionToSuccessor(Header); SafetyInfo->MayThrow = SafetyInfo->HeaderMayThrow; // Iterate over loop instructions and compute safety info. @@ -1505,9 +1503,8 @@ void llvm::computeLoopSafetyInfo(LoopSafetyInfo *SafetyInfo, Loop *CurLoop) { for (Loop::block_iterator BB = std::next(CurLoop->block_begin()), BBE = CurLoop->block_end(); (BB != BBE) && !SafetyInfo->MayThrow; ++BB) - for (BasicBlock::iterator I = (*BB)->begin(), E = (*BB)->end(); - (I != E) && !SafetyInfo->MayThrow; ++I) - SafetyInfo->MayThrow |= !isGuaranteedToTransferExecutionToSuccessor(&*I); + SafetyInfo->MayThrow |= + !isGuaranteedToTransferExecutionToSuccessor(*BB); // Compute funclet colors if we might sink/hoist in a function with a funclet // personality routine. |
