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Generate more efficient code for casting booleans to integers (no sign extension required)

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13439 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-05-09 22:28:45 +00:00
parent cb3ad01833
commit 96e3b426d5
2 changed files with 2 additions and 2 deletions
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2
lib/Target/X86/InstSelectSimple.cpp
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@ -3051,7 +3051,7 @@ void ISel::emitCastOperation(MachineBasicBlock *BB,
{ X86::MOVZX16rr8, X86::MOVZX32rr8, X86::MOVZX32rr16, X86::MOV32rr } // u
};
bool isUnsigned = SrcTy->isUnsigned();
bool isUnsigned = SrcTy->isUnsigned() || SrcTy == Type::BoolTy;
BuildMI(*BB, IP, Opc[isUnsigned][SrcClass + DestClass - 1], 1,
DestReg).addReg(SrcReg);

2
lib/Target/X86/X86ISelSimple.cpp
View File

@ -3051,7 +3051,7 @@ void ISel::emitCastOperation(MachineBasicBlock *BB,
{ X86::MOVZX16rr8, X86::MOVZX32rr8, X86::MOVZX32rr16, X86::MOV32rr } // u
};
bool isUnsigned = SrcTy->isUnsigned();
bool isUnsigned = SrcTy->isUnsigned() || SrcTy == Type::BoolTy;
BuildMI(*BB, IP, Opc[isUnsigned][SrcClass + DestClass - 1], 1,
DestReg).addReg(SrcReg);