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Update for new argument to scalbn 

llvm-svn: 263371
This commit is contained in:
Matt Arsenault 2016-03-13 05:12:47 +00:00
parent 69fdf9b2e4
commit c477f48f03
1 changed files with 6 additions and 4 deletions
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10
clang/lib/AST/ExprConstant.cpp
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@ -8641,12 +8641,14 @@ bool ComplexExprEvaluator::VisitBinaryOperator(const BinaryOperator *E) {
APFloat MaxCD = maxnum(abs(C), abs(D));
if (MaxCD.isFinite()) {
DenomLogB = ilogb(MaxCD);
C = scalbn(C, -DenomLogB);
D = scalbn(D, -DenomLogB);
C = scalbn(C, -DenomLogB, APFloat::rmNearestTiesToEven);
D = scalbn(D, -DenomLogB, APFloat::rmNearestTiesToEven);
}
APFloat Denom = C * C + D * D;
ResR = scalbn((A * C + B * D) / Denom, -DenomLogB);
ResI = scalbn((B * C - A * D) / Denom, -DenomLogB);
ResR = scalbn((A * C + B * D) / Denom, -DenomLogB,
APFloat::rmNearestTiesToEven);
ResI = scalbn((B * C - A * D) / Denom, -DenomLogB,
APFloat::rmNearestTiesToEven);
if (ResR.isNaN() && ResI.isNaN()) {
if (Denom.isPosZero() && (!A.isNaN() || !B.isNaN())) {
ResR = APFloat::getInf(ResR.getSemantics(), C.isNegative()) * A;