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Pre-regalloc tale duplication. Work in progress.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90759 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2009-12-07 10:15:19 +00:00
parent 4650d92748
commit 75eb535843
3 changed files with 232 additions and 91 deletions
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include/llvm/CodeGen/MachineSSAUpdater.h
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@ -104,6 +104,7 @@ public:
void RewriteUse(MachineOperand &U);
private:
void ReplaceRegWith(unsigned OldReg, unsigned NewReg);
unsigned GetValueAtEndOfBlockInternal(MachineBasicBlock *BB);
void operator=(const MachineSSAUpdater&); // DO NOT IMPLEMENT
MachineSSAUpdater(const MachineSSAUpdater&); // DO NOT IMPLEMENT