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-rw-r--r--lib/CodeGen/SimpleRegisterCoalescing.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/CodeGen/SimpleRegisterCoalescing.h b/lib/CodeGen/SimpleRegisterCoalescing.h
index bb21515a35..62738952aa 100644
--- a/lib/CodeGen/SimpleRegisterCoalescing.h
+++ b/lib/CodeGen/SimpleRegisterCoalescing.h
@@ -96,6 +96,10 @@ namespace llvm {
///
SmallPtrSet<MachineInstr*, 32> JoinedCopies;
+ /// ReMatCopies - Keep track of copies eliminated due to remat.
+ ///
+ SmallPtrSet<MachineInstr*, 32> ReMatCopies;
+
public:
static char ID; // Pass identifcation, replacement for typeid
SimpleRegisterCoalescing() : MachineFunctionPass((intptr_t)&ID) {}
@@ -194,6 +198,9 @@ namespace llvm {
bool RemoveCopyByCommutingDef(LiveInterval &IntA, LiveInterval &IntB,
MachineInstr *CopyMI);
+ bool ReMaterializeTrivialDef(LiveInterval &SrcInt, unsigned DstReg,
+ MachineInstr *CopyMI);
+
/// TurnCopyIntoImpDef - If source of the specified copy is an implicit def,
/// turn the copy into an implicit def.
bool TurnCopyIntoImpDef(MachineBasicBlock::iterator &I,