diff options
Diffstat (limited to 'llvm/lib/CodeGen/MachineSink.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachineSink.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/MachineSink.cpp b/llvm/lib/CodeGen/MachineSink.cpp index 14de333..2d9ff33 100644 --- a/llvm/lib/CodeGen/MachineSink.cpp +++ b/llvm/lib/CodeGen/MachineSink.cpp @@ -735,6 +735,7 @@ bool MachineSinking::runOnMachineFunction(MachineFunction &MF) { MadeChange = true; ++NumSplit; + CI->splitCriticalEdge(Pair.first, Pair.second, NewSucc); } else LLVM_DEBUG(dbgs() << " *** Not legal to break critical edge\n"); } @@ -1263,6 +1264,9 @@ MachineSinking::FindSuccToSinkTo(MachineInstr &MI, MachineBasicBlock *MBB, if (SuccToSinkTo && SuccToSinkTo->isInlineAsmBrIndirectTarget()) return nullptr; + if (SuccToSinkTo && !TII->isSafeToSink(MI, SuccToSinkTo, CI)) + return nullptr; + return SuccToSinkTo; } |