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-rw-r--r--lib/CodeGen/SimpleRegisterCoalescing.h13
1 files changed, 5 insertions, 8 deletions
diff --git a/lib/CodeGen/SimpleRegisterCoalescing.h b/lib/CodeGen/SimpleRegisterCoalescing.h
index f668064ab08e..1be04f32aa69 100644
--- a/lib/CodeGen/SimpleRegisterCoalescing.h
+++ b/lib/CodeGen/SimpleRegisterCoalescing.h
@@ -179,8 +179,11 @@ namespace llvm {
/// isWinToJoinCrossClass - Return true if it's profitable to coalesce
/// two virtual registers from different register classes.
- bool isWinToJoinCrossClass(unsigned LargeReg, unsigned SmallReg,
- unsigned Threshold);
+ bool isWinToJoinCrossClass(unsigned SrcReg,
+ unsigned DstReg,
+ const TargetRegisterClass *SrcRC,
+ const TargetRegisterClass *DstRC,
+ const TargetRegisterClass *NewRC);
/// HasIncompatibleSubRegDefUse - If we are trying to coalesce a virtual
/// register with a physical register, check if any of the virtual register
@@ -220,10 +223,6 @@ namespace llvm {
/// subregister.
void UpdateRegDefsUses(unsigned SrcReg, unsigned DstReg, unsigned SubIdx);
- /// RemoveUnnecessaryKills - Remove kill markers that are no longer accurate
- /// due to live range lengthening as the result of coalescing.
- void RemoveUnnecessaryKills(unsigned Reg, LiveInterval &LI);
-
/// ShortenDeadCopyLiveRange - Shorten a live range defined by a dead copy.
/// Return true if live interval is removed.
bool ShortenDeadCopyLiveRange(LiveInterval &li, MachineInstr *CopyMI);
@@ -243,8 +242,6 @@ namespace llvm {
/// cycles Start and End or NULL if there are no uses.
MachineOperand *lastRegisterUse(SlotIndex Start, SlotIndex End,
unsigned Reg, SlotIndex &LastUseIdx) const;
-
- void printRegName(unsigned reg) const;
};
} // End llvm namespace