diff options
Diffstat (limited to 'lib')
-rw-r--r-- | lib/CodeGen/IfConversion.cpp | 8 | ||||
-rw-r--r-- | lib/CodeGen/MachineBasicBlock.cpp | 6 |
2 files changed, 5 insertions, 9 deletions
diff --git a/lib/CodeGen/IfConversion.cpp b/lib/CodeGen/IfConversion.cpp index 8d212a606f..b9ee23ae9b 100644 --- a/lib/CodeGen/IfConversion.cpp +++ b/lib/CodeGen/IfConversion.cpp @@ -1174,8 +1174,7 @@ void IfConverter::CopyAndPredicateBlock(BBInfo &ToBBI, BBInfo &FromBBI, // Fallthrough edge can't be transferred. if (Succ == FallThrough) continue; - if (!ToBBI.BB->isSuccessor(Succ)) - ToBBI.BB->addSuccessor(Succ); + ToBBI.BB->addSuccessor(Succ); } std::copy(FromBBI.Predicate.begin(), FromBBI.Predicate.end(), @@ -1215,12 +1214,11 @@ void IfConverter::MergeBlocks(BBInfo &ToBBI, BBInfo &FromBBI) { if (Succ == FallThrough) continue; FromBBI.BB->removeSuccessor(Succ); - if (!ToBBI.BB->isSuccessor(Succ)) - ToBBI.BB->addSuccessor(Succ); + ToBBI.BB->addSuccessor(Succ); } // Now FromBBI always fall through to the next block! - if (NBB && !FromBBI.BB->isSuccessor(NBB)) + if (NBB) FromBBI.BB->addSuccessor(NBB); std::copy(FromBBI.Predicate.begin(), FromBBI.Predicate.end(), diff --git a/lib/CodeGen/MachineBasicBlock.cpp b/lib/CodeGen/MachineBasicBlock.cpp index 5ac54ea8a4..71e6b3e4d0 100644 --- a/lib/CodeGen/MachineBasicBlock.cpp +++ b/lib/CodeGen/MachineBasicBlock.cpp @@ -305,11 +305,9 @@ void MachineBasicBlock::ReplaceUsesOfBlockWith(MachineBasicBlock *Old, I->getOperand(i).setMBB(New); } - // Update the successor information. If New was already a successor, just - // remove the link to Old instead of creating another one. PR 1444. + // Update the successor information. removeSuccessor(Old); - if (!isSuccessor(New)) - addSuccessor(New); + addSuccessor(New); } /// CorrectExtraCFGEdges - Various pieces of code can cause excess edges in the |