forked from OSchip/llvm-project
[ConstantFolding] Refactor functions not available before C99 (NFC)
Note the cases when calling a function at compile time may fail if the host does not support the C99 run time library. llvm-svn: 371236
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@ -1773,13 +1773,16 @@ static Constant *ConstantFoldScalarCall1(StringRef Name,
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case Intrinsic::log:
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case Intrinsic::log:
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return ConstantFoldFP(log, V, Ty);
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return ConstantFoldFP(log, V, Ty);
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case Intrinsic::log2:
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case Intrinsic::log2:
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// TODO: What about hosts that lack a C99 library?
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return ConstantFoldFP(Log2, V, Ty);
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return ConstantFoldFP(Log2, V, Ty);
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case Intrinsic::log10:
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case Intrinsic::log10:
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// TODO: What about hosts that lack a C99 library?
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return ConstantFoldFP(log10, V, Ty);
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return ConstantFoldFP(log10, V, Ty);
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case Intrinsic::exp:
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case Intrinsic::exp:
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return ConstantFoldFP(exp, V, Ty);
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return ConstantFoldFP(exp, V, Ty);
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case Intrinsic::exp2:
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case Intrinsic::exp2:
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return ConstantFoldFP(exp2, V, Ty);
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// Fold exp2(x) as pow(2, x), in case the host lacks a C99 library.
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return ConstantFoldBinaryFP(pow, 2.0, V, Ty);
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case Intrinsic::sin:
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case Intrinsic::sin:
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return ConstantFoldFP(sin, V, Ty);
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return ConstantFoldFP(sin, V, Ty);
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case Intrinsic::cos:
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case Intrinsic::cos:
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@ -1870,6 +1873,7 @@ static Constant *ConstantFoldScalarCall1(StringRef Name,
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case LibFunc_log10_finite:
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case LibFunc_log10_finite:
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case LibFunc_log10f_finite:
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case LibFunc_log10f_finite:
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if (V > 0.0 && TLI->has(Func))
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if (V > 0.0 && TLI->has(Func))
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// TODO: What about hosts that lack a C99 library?
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return ConstantFoldFP(log10, V, Ty);
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return ConstantFoldFP(log10, V, Ty);
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break;
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break;
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case LibFunc_round:
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case LibFunc_round:
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@ -2037,6 +2041,7 @@ static Constant *ConstantFoldScalarCall2(StringRef Name,
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case LibFunc_fmod:
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case LibFunc_fmod:
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case LibFunc_fmodf:
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case LibFunc_fmodf:
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if (TLI->has(Func))
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if (TLI->has(Func))
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// TODO: What about hosts that lack a C99 library?
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return ConstantFoldBinaryFP(fmod, Op1V, Op2V, Ty);
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return ConstantFoldBinaryFP(fmod, Op1V, Op2V, Ty);
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break;
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break;
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case LibFunc_atan2:
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case LibFunc_atan2:
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