case Intrinsic::log:
return ConstantFoldFP(log, V, Ty);
case Intrinsic::log2:
+ // TODO: What about hosts that lack a C99 library?
return ConstantFoldFP(Log2, V, Ty);
case Intrinsic::log10:
+ // TODO: What about hosts that lack a C99 library?
return ConstantFoldFP(log10, V, Ty);
case Intrinsic::exp:
return ConstantFoldFP(exp, V, Ty);
case Intrinsic::exp2:
- return ConstantFoldFP(exp2, V, Ty);
+ // Fold exp2(x) as pow(2, x), in case the host lacks a C99 library.
+ return ConstantFoldBinaryFP(pow, 2.0, V, Ty);
case Intrinsic::sin:
return ConstantFoldFP(sin, V, Ty);
case Intrinsic::cos:
case LibFunc_log10_finite:
case LibFunc_log10f_finite:
if (V > 0.0 && TLI->has(Func))
+ // TODO: What about hosts that lack a C99 library?
return ConstantFoldFP(log10, V, Ty);
break;
case LibFunc_round:
case LibFunc_fmod:
case LibFunc_fmodf:
if (TLI->has(Func))
+ // TODO: What about hosts that lack a C99 library?
return ConstantFoldBinaryFP(fmod, Op1V, Op2V, Ty);
break;
case LibFunc_atan2: