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/PowerPC/PPCInstrInfo.cpp b/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp
index ece7e08..5a0ed18 100644
--- a/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp
+++ b/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp
@@ -605,7 +605,10 @@
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 @@
MachineBasicBlock *TBB,
MachineBasicBlock *FBB,
ArrayRef<MachineOperand> 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();