diff options
Diffstat (limited to 'llvm/lib/Target/Alpha')
| -rw-r--r-- | llvm/lib/Target/Alpha/AlphaInstrInfo.cpp | 8 | ||||
| -rw-r--r-- | llvm/lib/Target/Alpha/AlphaInstrInfo.h | 3 |
2 files changed, 7 insertions, 4 deletions
diff --git a/llvm/lib/Target/Alpha/AlphaInstrInfo.cpp b/llvm/lib/Target/Alpha/AlphaInstrInfo.cpp index 2c7404d5647..0974699fa0c 100644 --- a/llvm/lib/Target/Alpha/AlphaInstrInfo.cpp +++ b/llvm/lib/Target/Alpha/AlphaInstrInfo.cpp @@ -321,8 +321,9 @@ static unsigned AlphaRevCondCode(unsigned Opcode) { // Branch analysis. bool AlphaInstrInfo::AnalyzeBranch(MachineBasicBlock &MBB,MachineBasicBlock *&TBB, - MachineBasicBlock *&FBB, - SmallVectorImpl<MachineOperand> &Cond) const { + MachineBasicBlock *&FBB, + SmallVectorImpl<MachineOperand> &Cond, + bool AllowModify) const { // If the block has no terminators, it just falls into the block after it. MachineBasicBlock::iterator I = MBB.end(); if (I == MBB.begin() || !isUnpredicatedTerminator(--I)) @@ -373,7 +374,8 @@ bool AlphaInstrInfo::AnalyzeBranch(MachineBasicBlock &MBB,MachineBasicBlock *&TB LastInst->getOpcode() == Alpha::BR) { TBB = SecondLastInst->getOperand(0).getMBB(); I = LastInst; - I->eraseFromParent(); + if (AllowModify) + I->eraseFromParent(); return false; } diff --git a/llvm/lib/Target/Alpha/AlphaInstrInfo.h b/llvm/lib/Target/Alpha/AlphaInstrInfo.h index 85f5a544009..182aa32f447 100644 --- a/llvm/lib/Target/Alpha/AlphaInstrInfo.h +++ b/llvm/lib/Target/Alpha/AlphaInstrInfo.h @@ -83,7 +83,8 @@ public: bool AnalyzeBranch(MachineBasicBlock &MBB,MachineBasicBlock *&TBB, MachineBasicBlock *&FBB, - SmallVectorImpl<MachineOperand> &Cond) const; + SmallVectorImpl<MachineOperand> &Cond, + bool AllowModify) const; unsigned RemoveBranch(MachineBasicBlock &MBB) const; void insertNoop(MachineBasicBlock &MBB, MachineBasicBlock::iterator MI) const; |
