Core: Join a few if statements in IR.cpp

This commit is contained in:
Lioncash 2014-08-20 14:26:16 -04:00
parent 99ae79f7f9
commit 20f8ec9afa
1 changed files with 8 additions and 15 deletions

View File

@ -1049,9 +1049,8 @@ InstLoc IRBuilder::FoldShl(InstLoc Op1, InstLoc Op2)
InstLoc IRBuilder::FoldShrl(InstLoc Op1, InstLoc Op2)
{
if (isImm(*Op2))
if (isImm(*Op1) && isImm(*Op2))
{
if (isImm(*Op1))
return EmitIntConst(GetImmValue(Op1) >> (GetImmValue(Op2) & 31));
}
@ -1161,28 +1160,22 @@ InstLoc IRBuilder::FoldICmp(unsigned Opcode, InstLoc Op1, InstLoc Op2)
InstLoc IRBuilder::FoldICmpCRSigned(InstLoc Op1, InstLoc Op2)
{
if (isImm(*Op1))
{
if (isImm(*Op2))
if (isImm(*Op1) && isImm(*Op2))
{
s64 diff = (s64)(s32)GetImmValue(Op1) - (s64)(s32)GetImmValue(Op2);
return EmitIntConst64((u64)diff);
}
}
return EmitBiOp(ICmpCRSigned, Op1, Op2);
}
InstLoc IRBuilder::FoldICmpCRUnsigned(InstLoc Op1, InstLoc Op2)
{
if (isImm(*Op1))
{
if (isImm(*Op2))
if (isImm(*Op1) && isImm(*Op2))
{
u64 diff = (u64)GetImmValue(Op1) - (u64)GetImmValue(Op2);
return EmitIntConst64(diff);
}
}
return EmitBiOp(ICmpCRUnsigned, Op1, Op2);
}