diff options
Diffstat (limited to 'llvm/lib/CodeGen/ScheduleDAGInstrs.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/ScheduleDAGInstrs.cpp | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/llvm/lib/CodeGen/ScheduleDAGInstrs.cpp b/llvm/lib/CodeGen/ScheduleDAGInstrs.cpp index 703ae3d9cc5..65075893e5a 100644 --- a/llvm/lib/CodeGen/ScheduleDAGInstrs.cpp +++ b/llvm/lib/CodeGen/ScheduleDAGInstrs.cpp @@ -512,6 +512,10 @@ static bool MIsNeedChainEdge(AliasAnalysis *AA, const MachineFrameInfo *MFI, if (MIa == MIb) return false; + // FIXME: Need to handle multiple memory operands to support all targets. + if (!MIa->hasOneMemOperand() || !MIb->hasOneMemOperand()) + return true; + if (isUnsafeMemoryObject(MIa, MFI) || isUnsafeMemoryObject(MIb, MFI)) return true; @@ -527,10 +531,6 @@ static bool MIsNeedChainEdge(AliasAnalysis *AA, const MachineFrameInfo *MFI, MachineMemOperand *MMOa = *MIa->memoperands_begin(); MachineMemOperand *MMOb = *MIb->memoperands_begin(); - // FIXME: Need to handle multiple memory operands to support all targets. - if (!MIa->hasOneMemOperand() || !MIb->hasOneMemOperand()) - llvm_unreachable("Multiple memory operands."); - // The following interface to AA is fashioned after DAGCombiner::isAlias // and operates with MachineMemOperand offset with some important // assumptions: |
