diff options
Diffstat (limited to 'llvm/lib/CodeGen/RegAllocBase.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/RegAllocBase.cpp | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/llvm/lib/CodeGen/RegAllocBase.cpp b/llvm/lib/CodeGen/RegAllocBase.cpp index 69b9291..2400a1f 100644 --- a/llvm/lib/CodeGen/RegAllocBase.cpp +++ b/llvm/lib/CodeGen/RegAllocBase.cpp @@ -178,10 +178,8 @@ void RegAllocBase::cleanupFailedVReg(Register FailedReg, MCRegister PhysReg, for (MCRegAliasIterator Aliases(PhysReg, TRI, true); Aliases.isValid(); ++Aliases) { for (MachineOperand &MO : MRI->reg_operands(*Aliases)) { - if (MO.readsReg()) { + if (MO.readsReg()) MO.setIsUndef(true); - LIS->removeAllRegUnitsForPhysReg(MO.getReg()); - } } } } |