diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/CodeGen/InlineSpiller.cpp | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/lib/CodeGen/InlineSpiller.cpp b/lib/CodeGen/InlineSpiller.cpp index bb0e642313..70d97c0f55 100644 --- a/lib/CodeGen/InlineSpiller.cpp +++ b/lib/CodeGen/InlineSpiller.cpp @@ -1098,12 +1098,11 @@ foldMemoryOperand(ArrayRef<std::pair<MachineInstr*, unsigned> > Ops, MRI.isReserved(Reg)) { continue; } + // Skip non-Defs, including undef uses and internal reads. + if (MO->isUse()) + continue; MIBundleOperands::PhysRegInfo RI = MIBundleOperands(FoldMI).analyzePhysReg(Reg, &TRI); - if (MO->readsReg()) { - assert(RI.Reads && "Cannot fold physreg reader"); - continue; - } if (RI.Defines) continue; // FoldMI does not define this physreg. Remove the LI segment. |