Pass DebugLoc and SDLoc by const ref.
This used to be free, copying and moving DebugLocs became expensive
after the metadata rewrite. Passing by reference eliminates a ton of
track/untrack operations. No functionality change intended.
llvm-svn: 272512
diff --git a/llvm/lib/Target/ARM/ARMFrameLowering.cpp b/llvm/lib/Target/ARM/ARMFrameLowering.cpp
index e2fe8b9..6ce3373 100644
--- a/llvm/lib/Target/ARM/ARMFrameLowering.cpp
+++ b/llvm/lib/Target/ARM/ARMFrameLowering.cpp
@@ -120,13 +120,11 @@
return false;
}
-static void emitRegPlusImmediate(bool isARM, MachineBasicBlock &MBB,
- MachineBasicBlock::iterator &MBBI, DebugLoc dl,
- const ARMBaseInstrInfo &TII, unsigned DestReg,
- unsigned SrcReg, int NumBytes,
- unsigned MIFlags = MachineInstr::NoFlags,
- ARMCC::CondCodes Pred = ARMCC::AL,
- unsigned PredReg = 0) {
+static void emitRegPlusImmediate(
+ bool isARM, MachineBasicBlock &MBB, MachineBasicBlock::iterator &MBBI,
+ const DebugLoc &dl, const ARMBaseInstrInfo &TII, unsigned DestReg,
+ unsigned SrcReg, int NumBytes, unsigned MIFlags = MachineInstr::NoFlags,
+ ARMCC::CondCodes Pred = ARMCC::AL, unsigned PredReg = 0) {
if (isARM)
emitARMRegPlusImmediate(MBB, MBBI, dl, DestReg, SrcReg, NumBytes,
Pred, PredReg, TII, MIFlags);
@@ -136,7 +134,7 @@
}
static void emitSPUpdate(bool isARM, MachineBasicBlock &MBB,
- MachineBasicBlock::iterator &MBBI, DebugLoc dl,
+ MachineBasicBlock::iterator &MBBI, const DebugLoc &dl,
const ARMBaseInstrInfo &TII, int NumBytes,
unsigned MIFlags = MachineInstr::NoFlags,
ARMCC::CondCodes Pred = ARMCC::AL,
@@ -206,7 +204,8 @@
}
void emitDefCFAOffsets(MachineModuleInfo &MMI, MachineBasicBlock &MBB,
- DebugLoc dl, const ARMBaseInstrInfo &TII, bool HasFP) {
+ const DebugLoc &dl, const ARMBaseInstrInfo &TII,
+ bool HasFP) {
unsigned CFAOffset = 0;
for (auto &Info : Insts) {
if (HasFP && !Info.BeforeFPSet)
@@ -235,7 +234,7 @@
const TargetInstrInfo &TII,
MachineBasicBlock &MBB,
MachineBasicBlock::iterator MBBI,
- DebugLoc DL, const unsigned Reg,
+ const DebugLoc &DL, const unsigned Reg,
const unsigned Alignment,
const bool MustBeSingleInstruction) {
const ARMSubtarget &AST =