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Commit 7d98a48f authored by Evan Cheng's avatar Evan Cheng
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- Remove calls to copyKillDeadInfo which is an N^2 function. Instead,... 

- Remove calls to copyKillDeadInfo which is an N^2 function. Instead, propagate kill / dead markers as new instructions are constructed in foldMemoryOperand, convertToThressAddress, etc.
- Also remove LiveVariables::instructionChanged, etc. Replace all calls with cheaper calls which update VarInfo kill list.

llvm-svn: 53097
parent 798d9bb9
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