diff options
Diffstat (limited to 'llvm/lib/CodeGen')
| -rw-r--r-- | llvm/lib/CodeGen/GlobalISel/GISelKnownBits.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/GlobalISel/GISelKnownBits.cpp b/llvm/lib/CodeGen/GlobalISel/GISelKnownBits.cpp index 7db64654e42..c0391f7771f 100644 --- a/llvm/lib/CodeGen/GlobalISel/GISelKnownBits.cpp +++ b/llvm/lib/CodeGen/GlobalISel/GISelKnownBits.cpp @@ -140,6 +140,8 @@ void GISelKnownBits::computeKnownBitsImpl(Register R, KnownBits &Known, } case TargetOpcode::G_CONSTANT: { auto CstVal = getConstantVRegVal(R, MRI); + if (!CstVal) + break; Known.One = *CstVal; Known.Zero = ~Known.One; break; |
