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Don't clear or sign extend bool->int. This fires a few dozen times on the test suite

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17147 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nate Begeman 2004-10-20 21:55:41 +00:00
parent a30dd79be8
commit 0797d4905a
1 changed files with 17 additions and 0 deletions
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17
lib/Target/PowerPC/PPC32ISelSimple.cpp
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@ -3048,6 +3048,23 @@ void PPC32ISel::emitCastOperation(MachineBasicBlock *MBB,
unsigned DestClass = getClassB(DestTy);
unsigned SrcReg = getReg(Src, MBB, IP);
// Implement casts from bool to integer types as a move operation
if (SrcTy == Type::BoolTy) {
switch (DestClass) {
case cByte:
case cShort:
case cInt:
BuildMI(*MBB, IP, PPC::OR, 2, DestReg).addReg(SrcReg).addReg(SrcReg);
return;
case cLong:
BuildMI(*MBB, IP, PPC::LI, 1, DestReg).addImm(0);
BuildMI(*MBB, IP, PPC::OR, 2, DestReg+1).addReg(SrcReg).addReg(SrcReg);
return;
default:
break;
}
}
// Implement casts to bool by using compare on the operand followed by set if
// not zero on the result.
if (DestTy == Type::BoolTy) {