diff options
Diffstat (limited to 'lib/Target/X86/X86InstrInfo.cpp')
-rw-r--r-- | lib/Target/X86/X86InstrInfo.cpp | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/lib/Target/X86/X86InstrInfo.cpp b/lib/Target/X86/X86InstrInfo.cpp index 42b25a9..ea49b42 100644 --- a/lib/Target/X86/X86InstrInfo.cpp +++ b/lib/Target/X86/X86InstrInfo.cpp @@ -1243,16 +1243,15 @@ X86::CondCode X86::GetOppositeBranchCondition(X86::CondCode CC) { } bool X86InstrInfo::isUnpredicatedTerminator(const MachineInstr *MI) const { - const TargetInstrDescriptor *TID = MI->getInstrDescriptor(); - if (TID->Flags & M_TERMINATOR_FLAG) { - // Conditional branch is a special case. - if ((TID->Flags & M_BRANCH_FLAG) != 0 && (TID->Flags & M_BARRIER_FLAG) == 0) - return true; - if ((TID->Flags & M_PREDICABLE) == 0) - return true; - return !isPredicated(MI); - } - return false; + const TargetInstrDescriptor *TID = MI->getDesc(); + if (!TID->isTerminator()) return false; + + // Conditional branch is a special case. + if (TID->isBranch() && !TID->isBarrier()) + return true; + if (!TID->isPredicable()) + return true; + return !isPredicated(MI); } // For purposes of branch analysis do not count FP_REG_KILL as a terminator. @@ -1277,7 +1276,7 @@ bool X86InstrInfo::AnalyzeBranch(MachineBasicBlock &MBB, // If there is only one terminator instruction, process it. if (I == MBB.begin() || !isBrAnalysisUnpredicatedTerminator(--I, *this)) { - if (!isBranch(LastInst->getOpcode())) + if (!LastInst->getDesc()->isBranch()) return true; // If the block ends with a branch there are 3 possibilities: @@ -1695,7 +1694,7 @@ X86InstrInfo::foldMemoryOperand(MachineInstr *MI, unsigned i, bool isTwoAddrFold = false; unsigned NumOps = getNumOperands(MI->getOpcode()); bool isTwoAddr = NumOps > 1 && - MI->getInstrDescriptor()->getOperandConstraint(1, TOI::TIED_TO) != -1; + MI->getDesc()->getOperandConstraint(1, TOI::TIED_TO) != -1; MachineInstr *NewMI = NULL; // Folding a memory location into the two-address part of a two-address |