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Added const equality checking for string literals

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This commit is contained in:
Brian Fiete 2020-02-28 14:46:12 -08:00
parent 5bed292e87
commit a43d4e8bd9
3 changed files with 60 additions and 1 deletions
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23
IDEHelper/Compiler/BfIRBuilder.cpp
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@ -344,6 +344,29 @@ bool BfIRConstHolder::TryGetBool(BfIRValue id, bool& boolVal)
return false;
}
int BfIRConstHolder::CheckConstEquality(BfIRValue lhs, BfIRValue rhs)
{
auto constLHS = GetConstant(lhs);
if (constLHS == NULL)
return -1;
auto constRHS = GetConstant(rhs);
if (constRHS == NULL)
return -1;
if (constLHS->mConstType == BfConstType_BitCast)
return CheckConstEquality(BfIRValue(BfIRValueFlags_Const, ((BfConstantBitCast*)constLHS)->mTarget), rhs);
if (constRHS->mConstType == BfConstType_BitCast)
return CheckConstEquality(lhs, BfIRValue(BfIRValueFlags_Const, ((BfConstantBitCast*)constRHS)->mTarget));
if ((constLHS->mConstType == BfConstType_GlobalVar) &&
(constRHS->mConstType == BfConstType_GlobalVar))
{
return (constLHS == constRHS) ? 1 : 0;
}
return -1;
}
BfIRValue BfIRConstHolder::CreateConst(BfTypeCode typeCode, uint64 val)
{
if (typeCode == BfTypeCode_IntUnknown)