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| author | Vitaly Buka <vitalybuka@google.com> | 2024-09-23 15:55:29 -0700 |
|---|---|---|
| committer | Vitaly Buka <vitalybuka@google.com> | 2024-09-23 15:55:29 -0700 |
| commit | 80323f174971174928c87fb0e958a6fcfe094d59 (patch) | |
| tree | bb0862b94fc42ba636ea993820a3368b851fd334 /llvm/lib/Target/Mips/MipsDelaySlotFiller.cpp | |
| parent | 1c4f36eefcbee84fe801c6817ff4cdc7feeafd13 (diff) | |
| parent | 8dbb739ffb0880e4f739992d07dc6ba6edca9509 (diff) | |
[𝘀𝗽𝗿] changes introduced through rebaseusers/vitalybuka/spr/main.nfchwasan-remove-code-duplication-in-shadowmappinginit
Created using spr 1.3.4
[skip ci]
Diffstat (limited to 'llvm/lib/Target/Mips/MipsDelaySlotFiller.cpp')
| -rw-r--r-- | llvm/lib/Target/Mips/MipsDelaySlotFiller.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/lib/Target/Mips/MipsDelaySlotFiller.cpp b/llvm/lib/Target/Mips/MipsDelaySlotFiller.cpp index 4ec01ab7b456..a576c531c8c0 100644 --- a/llvm/lib/Target/Mips/MipsDelaySlotFiller.cpp +++ b/llvm/lib/Target/Mips/MipsDelaySlotFiller.cpp @@ -744,6 +744,12 @@ bool MipsDelaySlotFiller::searchRange(MachineBasicBlock &MBB, IterTy Begin, bool InMicroMipsMode = STI.inMicroMipsMode(); const MipsInstrInfo *TII = STI.getInstrInfo(); unsigned Opcode = (*Slot).getOpcode(); + + // In mips1-4, should not put mflo into the delay slot for the return. + if ((IsMFLOMFHI(CurrI->getOpcode())) && + (!STI.hasMips32() && !STI.hasMips5())) + continue; + // This is complicated by the tail call optimization. For non-PIC code // there is only a 32bit sized unconditional branch which can be assumed // to be able to reach the target. b16 only has a range of +/- 1 KB. |