From a2b036e88b8f31c4a2169c1d5634e21c9c8eb927 Mon Sep 17 00:00:00 2001 From: Matt Arsenault Date: Wed, 14 Sep 2016 17:23:48 +0000 Subject: 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 --- llvm/lib/Target/PowerPC/PPCInstrInfo.cpp | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) (limited to 'llvm/lib/Target/PowerPC/PPCInstrInfo.cpp') diff --git a/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp b/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp index ece7e086575..5a0ed18e0f9 100644 --- a/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp +++ b/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp @@ -605,7 +605,10 @@ bool PPCInstrInfo::analyzeBranch(MachineBasicBlock &MBB, return true; } -unsigned PPCInstrInfo::RemoveBranch(MachineBasicBlock &MBB) const { +unsigned PPCInstrInfo::RemoveBranch(MachineBasicBlock &MBB, + int *BytesRemoved) const { + assert(!BytesRemoved && "code size not handled"); + MachineBasicBlock::iterator I = MBB.getLastNonDebugInstr(); if (I == MBB.end()) return 0; @@ -638,11 +641,13 @@ unsigned PPCInstrInfo::InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB, MachineBasicBlock *FBB, ArrayRef Cond, - const DebugLoc &DL) const { + const DebugLoc &DL, + int *BytesAdded) const { // Shouldn't be a fall through. assert(TBB && "InsertBranch must not be told to insert a fallthrough"); assert((Cond.size() == 2 || Cond.size() == 0) && "PPC branch conditions have two components!"); + assert(!BytesAdded && "code size not handled"); bool isPPC64 = Subtarget.isPPC64(); -- cgit v1.2.3