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[clang][bytecode] Avoid a getValue() call in builtin_isinf #152939

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Merged
merged 1 commit into from
Aug 11, 2025
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[clang][bytecode] Avoid a getValue() call in builtin_isinf #152939

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7 changes: 4 additions & 3 deletions clang/lib/AST/ByteCode/InterpBuiltin.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -459,12 +459,13 @@ static bool interp__builtin_isinf(InterpState &S, CodePtr OpPC,
const InterpFrame *Frame, bool CheckSign,
const CallExpr *Call) {
const Floating &Arg = S.Stk.pop<Floating>();
bool IsInf = Arg.isInf();
APFloat F = Arg.getAPFloat();
bool IsInf = F.isInfinity();

if (CheckSign)
pushInteger(S, IsInf ? (Arg.isNegative() ? -1 : 1) : 0, Call->getType());
pushInteger(S, IsInf ? (F.isNegative() ? -1 : 1) : 0, Call->getType());
else
pushInteger(S, Arg.isInf(), Call->getType());
pushInteger(S, IsInf, Call->getType());
return true;
}

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