AArch64: Use TTI branch functions in branch relaxation
The main change is to return the code size from
InsertBranch/RemoveBranch.
Patch mostly by Tim Northover
llvm-svn: 281505
diff --git a/llvm/lib/Target/X86/X86InstrInfo.h b/llvm/lib/Target/X86/X86InstrInfo.h
index 32519c0..0261480 100644
--- a/llvm/lib/Target/X86/X86InstrInfo.h
+++ b/llvm/lib/Target/X86/X86InstrInfo.h
@@ -335,10 +335,12 @@
TargetInstrInfo::MachineBranchPredicate &MBP,
bool AllowModify = false) const override;
- unsigned RemoveBranch(MachineBasicBlock &MBB) const override;
+ unsigned RemoveBranch(MachineBasicBlock &MBB,
+ int *BytesRemoved = nullptr) const override;
unsigned InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB,
MachineBasicBlock *FBB, ArrayRef<MachineOperand> Cond,
- const DebugLoc &DL) const override;
+ const DebugLoc &DL,
+ int *BytesAdded = nullptr) const override;
bool canInsertSelect(const MachineBasicBlock&, ArrayRef<MachineOperand> Cond,
unsigned, unsigned, int&, int&, int&) const override;
void insertSelect(MachineBasicBlock &MBB, MachineBasicBlock::iterator MI,