diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/CodeGen/MachineOutliner.cpp | 10 | ||||
| -rw-r--r-- | llvm/lib/Target/AArch64/AArch64InstrInfo.h | 3 | ||||
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrInfo.h | 3 |
3 files changed, 15 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/MachineOutliner.cpp b/llvm/lib/CodeGen/MachineOutliner.cpp index 2a6a94dc882..932316f1fd1 100644 --- a/llvm/lib/CodeGen/MachineOutliner.cpp +++ b/llvm/lib/CodeGen/MachineOutliner.cpp @@ -1416,7 +1416,15 @@ bool MachineOutliner::runOnModule(Module &M) { MMI.getOrCreateMachineFunction(*M.begin()).getSubtarget(); const TargetRegisterInfo *TRI = STI.getRegisterInfo(); const TargetInstrInfo *TII = STI.getInstrInfo(); - + + // Does the target implement the MachineOutliner? If it doesn't, quit here. + if (!TII->useMachineOutliner()) { + // No. So we're done. + DEBUG(dbgs() + << "Skipping pass: Target does not support the MachineOutliner.\n"); + return false; + } + InstructionMapper Mapper; // Build instruction mappings for each function in the module. Start by diff --git a/llvm/lib/Target/AArch64/AArch64InstrInfo.h b/llvm/lib/Target/AArch64/AArch64InstrInfo.h index bf0403d54c4..c517f970adc 100644 --- a/llvm/lib/Target/AArch64/AArch64InstrInfo.h +++ b/llvm/lib/Target/AArch64/AArch64InstrInfo.h @@ -236,6 +236,9 @@ public: ArrayRef<std::pair<MachineMemOperand::Flags, const char *>> getSerializableMachineMemOperandTargetFlags() const override; + /// AArch64 supports the MachineOutliner. + bool useMachineOutliner() const override { return true; } + bool canOutlineWithoutLRSave(MachineBasicBlock::iterator &CallInsertionPt) const; bool isFunctionSafeToOutlineFrom(MachineFunction &MF, diff --git a/llvm/lib/Target/X86/X86InstrInfo.h b/llvm/lib/Target/X86/X86InstrInfo.h index 6eb0ac860ef..5b2799d049f 100644 --- a/llvm/lib/Target/X86/X86InstrInfo.h +++ b/llvm/lib/Target/X86/X86InstrInfo.h @@ -582,6 +582,9 @@ public: ArrayRef<std::pair<unsigned, const char *>> getSerializableDirectMachineOperandTargetFlags() const override; + /// X86 supports the MachineOutliner. + bool useMachineOutliner() const override { return true; } + virtual MachineOutlinerInfo getOutlininingCandidateInfo( std::vector< std::pair<MachineBasicBlock::iterator, MachineBasicBlock::iterator>> |
