diff options
Diffstat (limited to 'llvm/lib/CodeGen/SimpleRegisterCoalescing.h')
| -rw-r--r-- | llvm/lib/CodeGen/SimpleRegisterCoalescing.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/SimpleRegisterCoalescing.h b/llvm/lib/CodeGen/SimpleRegisterCoalescing.h index f850075b84b..56703dfa2dd 100644 --- a/llvm/lib/CodeGen/SimpleRegisterCoalescing.h +++ b/llvm/lib/CodeGen/SimpleRegisterCoalescing.h @@ -143,8 +143,10 @@ namespace llvm { /// ReMaterializeTrivialDef - If the source of a copy is defined by a trivial /// computation, replace the copy by rematerialize the definition. - bool ReMaterializeTrivialDef(LiveInterval &SrcInt, unsigned DstReg, - unsigned DstSubIdx, MachineInstr *CopyMI); + /// If PreserveSrcInt is true, make sure SrcInt is valid after the call. + bool ReMaterializeTrivialDef(LiveInterval &SrcInt, bool PreserveSrcInt, + unsigned DstReg, unsigned DstSubIdx, + MachineInstr *CopyMI); /// isWinToJoinCrossClass - Return true if it's profitable to coalesce /// two virtual registers from different register classes. |
