diff options
Diffstat (limited to 'llvm/lib/Target/AArch64/AArch64InstrInfo.cpp')
| -rw-r--r-- | llvm/lib/Target/AArch64/AArch64InstrInfo.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/Target/AArch64/AArch64InstrInfo.cpp b/llvm/lib/Target/AArch64/AArch64InstrInfo.cpp index 30dfcf2b..12c600f 100644 --- a/llvm/lib/Target/AArch64/AArch64InstrInfo.cpp +++ b/llvm/lib/Target/AArch64/AArch64InstrInfo.cpp @@ -10600,6 +10600,9 @@ describeORRLoadedValue(const MachineInstr &MI, Register DescribedReg, Register DestReg = DestSrc->Destination->getReg(); Register SrcReg = DestSrc->Source->getReg(); + if (!DestReg.isValid() || !SrcReg.isValid()) + return std::nullopt; + auto Expr = DIExpression::get(MI.getMF()->getFunction().getContext(), {}); // If the described register is the destination, just return the source. |