diff options
| -rw-r--r-- | lib/IR/Constants.cpp | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/lib/IR/Constants.cpp b/lib/IR/Constants.cpp index 70f7e0176e..1abb656435 100644 --- a/lib/IR/Constants.cpp +++ b/lib/IR/Constants.cpp @@ -53,12 +53,9 @@ bool Constant::isNegativeZeroValue() const { if (SplatCFP && SplatCFP->isZero() && SplatCFP->isNegative()) return true; - // However, vectors of zeroes which are floating point represent +0.0's. - if (const ConstantAggregateZero *CAZ = dyn_cast<ConstantAggregateZero>(this)) - if (const VectorType *VT = dyn_cast<VectorType>(CAZ->getType())) - if (VT->getElementType()->isFloatingPointTy()) - // As it's a CAZ, we know it's the zero bit-pattern (ie, +0.0) in each element. - return false; + // We've already handled true FP case; any other FP vectors can't represent -0.0. + if (getType()->isFPOrFPVectorTy()) + return false; // Otherwise, just use +0.0. return isNullValue(); |