llvm-6502/lib/CodeGen/MachineCSE.cpp at a92dced4a186c03f06a1e9156ca00d997ef0a972 - llvm-6502 - Applefritter: Git

6502/llvm-6502

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Evan Cheng 05bdcbb1ae Re-apply r97667 but with a little bit of thought put into the patch. This implements a special DenseMapInfo trait for DenseMap<MachineInstr*> that compare the value of the MachineInstr rather than the pointer value. Since the hashing and equality test functions ignore defs it's useful for doing CSE kind optimization.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97678 91177308-0d34-0410-b5e6-96231b3b80d8

2010-03-03 23:27:36 +00:00

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