diff options
Diffstat (limited to 'contrib/llvm-project/llvm/lib/Target/PowerPC/PPCCTRLoops.cpp')
| -rw-r--r-- | contrib/llvm-project/llvm/lib/Target/PowerPC/PPCCTRLoops.cpp | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/contrib/llvm-project/llvm/lib/Target/PowerPC/PPCCTRLoops.cpp b/contrib/llvm-project/llvm/lib/Target/PowerPC/PPCCTRLoops.cpp index b9518d6d7064..b1f5bdd885cd 100644 --- a/contrib/llvm-project/llvm/lib/Target/PowerPC/PPCCTRLoops.cpp +++ b/contrib/llvm-project/llvm/lib/Target/PowerPC/PPCCTRLoops.cpp @@ -81,8 +81,7 @@ FunctionPass *llvm::createPPCCTRLoopsVerify() { } static bool clobbersCTR(const MachineInstr &MI) { - for (unsigned i = 0, e = MI.getNumOperands(); i != e; ++i) { - const MachineOperand &MO = MI.getOperand(i); + for (const MachineOperand &MO : MI.operands()) { if (MO.isReg()) { if (MO.isDef() && (MO.getReg() == PPC::CTR || MO.getReg() == PPC::CTR8)) return true; @@ -167,18 +166,16 @@ bool PPCCTRLoopsVerify::runOnMachineFunction(MachineFunction &MF) { // Verify that all bdnz/bdz instructions are dominated by a loop mtctr before // any other instructions that might clobber the ctr register. - for (MachineFunction::iterator I = MF.begin(), IE = MF.end(); - I != IE; ++I) { - MachineBasicBlock *MBB = &*I; - if (!MDT->isReachableFromEntry(MBB)) + for (MachineBasicBlock &MBB : MF) { + if (!MDT->isReachableFromEntry(&MBB)) continue; - for (MachineBasicBlock::iterator MII = MBB->getFirstTerminator(), - MIIE = MBB->end(); MII != MIIE; ++MII) { + for (MachineBasicBlock::iterator MII = MBB.getFirstTerminator(), + MIIE = MBB.end(); MII != MIIE; ++MII) { unsigned Opc = MII->getOpcode(); if (Opc == PPC::BDNZ8 || Opc == PPC::BDNZ || Opc == PPC::BDZ8 || Opc == PPC::BDZ) - if (!verifyCTRBranch(MBB, MII)) + if (!verifyCTRBranch(&MBB, MII)) llvm_unreachable("Invalid PPC CTR loop!"); } } |