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isUnpredicatedTerminator should treat conditional branches as unpredicated terminator.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37960 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -88,9 +88,12 @@ bool TargetInstrInfo::PredicateInstruction(MachineInstr *MI,
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bool TargetInstrInfo::isUnpredicatedTerminator(const MachineInstr *MI) const {
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const TargetInstrDescriptor *TID = MI->getInstrDescriptor();
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if (TID->Flags & M_TERMINATOR_FLAG) {
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// Conditional branch is a special case.
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if ((TID->Flags & M_BRANCH_FLAG) != 0 && (TID->Flags & M_BARRIER_FLAG) == 0)
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return true;
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if ((TID->Flags & M_PREDICABLE) == 0)
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return true;
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return !isPredicated(MI);
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}
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}
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return false;
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}
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@ -404,11 +404,18 @@ X86::CondCode X86::GetOppositeBranchCondition(X86::CondCode CC) {
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// For purposes of branch analysis do not count FP_REG_KILL as a terminator.
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bool X86InstrInfo::isUnpredicatedTerminator(const MachineInstr *MI) const {
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const TargetInstrDescriptor *TID = MI->getInstrDescriptor();
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if (MI->getOpcode() == X86::FP_REG_KILL)
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return false;
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if (TID->Flags & M_TERMINATOR_FLAG)
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const TargetInstrDescriptor *TID = MI->getInstrDescriptor();
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if (TID->Flags & M_TERMINATOR_FLAG) {
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// Conditional branch is a special case.
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if ((TID->Flags & M_BRANCH_FLAG) != 0 && (TID->Flags & M_BARRIER_FLAG) == 0)
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return true;
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if ((TID->Flags & M_PREDICABLE) == 0)
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return true;
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return !isPredicated(MI);
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}
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return false;
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}
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