diff options
Diffstat (limited to 'lib/Analysis/ValueTracking.cpp')
| -rw-r--r-- | lib/Analysis/ValueTracking.cpp | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/lib/Analysis/ValueTracking.cpp b/lib/Analysis/ValueTracking.cpp index 6e4457ed52..1d7f0692cb 100644 --- a/lib/Analysis/ValueTracking.cpp +++ b/lib/Analysis/ValueTracking.cpp @@ -437,9 +437,8 @@ void llvm::ComputeMaskedBits(Value *V, APInt &KnownZero, APInt &KnownOne, if (SrcTy->isPointerTy()) SrcBitWidth = TD->getTypeSizeInBits(SrcTy); else - SrcBitWidth = TD->getTypeSizeInBits(SrcTy->getScalarType()); - - assert(SrcBitWidth && "SrcBitWidth can't be zero"); + SrcBitWidth = SrcTy->getScalarSizeInBits(); + KnownZero = KnownZero.zextOrTrunc(SrcBitWidth); KnownOne = KnownOne.zextOrTrunc(SrcBitWidth); ComputeMaskedBits(I->getOperand(0), KnownZero, KnownOne, TD, Depth+1); |