diff options
Diffstat (limited to 'llvm/lib/CodeGen/MachineInstr.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachineInstr.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/MachineInstr.cpp b/llvm/lib/CodeGen/MachineInstr.cpp index 02479f3..198af93 100644 --- a/llvm/lib/CodeGen/MachineInstr.cpp +++ b/llvm/lib/CodeGen/MachineInstr.cpp @@ -576,6 +576,11 @@ uint32_t MachineInstr::copyFlagsFromInstruction(const Instruction &I) { MIFlags |= MachineInstr::MIFlag::NoSWrap; if (TI->hasNoUnsignedWrap()) MIFlags |= MachineInstr::MIFlag::NoUWrap; + } else if (const GetElementPtrInst *GEP = dyn_cast<GetElementPtrInst>(&I)) { + if (GEP->hasNoUnsignedSignedWrap()) + MIFlags |= MachineInstr::MIFlag::NoUSWrap; + if (GEP->hasNoUnsignedWrap()) + MIFlags |= MachineInstr::MIFlag::NoUWrap; } // Copy the nonneg flag. |