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Generate more efficient code for casting booleans to integers (no sign extension required)
llvm-svn: 13439
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@ -3051,7 +3051,7 @@ void ISel::emitCastOperation(MachineBasicBlock *BB,
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{ X86::MOVZX16rr8, X86::MOVZX32rr8, X86::MOVZX32rr16, X86::MOV32rr } // u
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};
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bool isUnsigned = SrcTy->isUnsigned();
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bool isUnsigned = SrcTy->isUnsigned() || SrcTy == Type::BoolTy;
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BuildMI(*BB, IP, Opc[isUnsigned][SrcClass + DestClass - 1], 1,
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DestReg).addReg(SrcReg);
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