diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/AArch64/AArch64RedundantCopyElimination.cpp | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/llvm/lib/Target/AArch64/AArch64RedundantCopyElimination.cpp b/llvm/lib/Target/AArch64/AArch64RedundantCopyElimination.cpp index 8def8f32d70..a0353484897 100644 --- a/llvm/lib/Target/AArch64/AArch64RedundantCopyElimination.cpp +++ b/llvm/lib/Target/AArch64/AArch64RedundantCopyElimination.cpp @@ -63,15 +63,15 @@ char AArch64RedundantCopyElimination::ID = 0; INITIALIZE_PASS(AArch64RedundantCopyElimination, "aarch64-copyelim", "AArch64 redundant copy elimination pass", false, false) -static bool guaranteesZeroRegInBlock(MachineInstr *MI, MachineBasicBlock *MBB) { - unsigned Opc = MI->getOpcode(); +static bool guaranteesZeroRegInBlock(MachineInstr &MI, MachineBasicBlock *MBB) { + unsigned Opc = MI.getOpcode(); // Check if the current basic block is the target block to which the // CBZ/CBNZ instruction jumps when its Wt/Xt is zero. if ((Opc == AArch64::CBZW || Opc == AArch64::CBZX) && - MBB == MI->getOperand(1).getMBB()) + MBB == MI.getOperand(1).getMBB()) return true; else if ((Opc == AArch64::CBNZW || Opc == AArch64::CBNZX) && - MBB != MI->getOperand(1).getMBB()) + MBB != MI.getOperand(1).getMBB()) return true; return false; @@ -90,12 +90,12 @@ bool AArch64RedundantCopyElimination::optimizeCopy(MachineBasicBlock *MBB) { ++CompBr; do { --CompBr; - if (guaranteesZeroRegInBlock(CompBr, MBB)) + if (guaranteesZeroRegInBlock(*CompBr, MBB)) break; } while (CompBr != PredMBB->begin() && CompBr->isTerminator()); // We've not found a CBZ/CBNZ, time to bail out. - if (!guaranteesZeroRegInBlock(CompBr, MBB)) + if (!guaranteesZeroRegInBlock(*CompBr, MBB)) return false; unsigned TargetReg = CompBr->getOperand(0).getReg(); |
