diff options
Diffstat (limited to 'contrib/llvm-project/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp')
-rw-r--r-- | contrib/llvm-project/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/contrib/llvm-project/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/contrib/llvm-project/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp index 5c1b19eba1c1..30d202494320 100644 --- a/contrib/llvm-project/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp +++ b/contrib/llvm-project/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp @@ -1945,6 +1945,9 @@ SDValue SelectionDAG::getVScale(const SDLoc &DL, EVT VT, APInt MulImm, assert(MulImm.getBitWidth() == VT.getSizeInBits() && "APInt size does not match type size!"); + if (MulImm == 0) + return getConstant(0, DL, VT); + if (ConstantFold) { const MachineFunction &MF = getMachineFunction(); auto Attr = MF.getFunction().getFnAttribute(Attribute::VScaleRange); |