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authorEvan Cheng <evan.cheng@apple.com>2009-02-06 17:17:30 +0000
committerEvan Cheng <evan.cheng@apple.com>2009-02-06 17:17:30 +0000
commit4350eb86a7cdc83fa6a5f4819a7f0534ace5cd58 (patch)
tree832a8134aebec5dbb85db231c42c9dc2727c4ec6 /lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
parentb3a021cdb3d26ddb2985e326ba0cb96761b86f69 (diff)
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Add TargetInstrInfo::isSafeToMoveRegisterClassDefs. It returns true if it's safe to move an instruction which defines a value in the register class. Replace pre-splitting specific IgnoreRegisterClassBarriers with this new hook.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63936 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp')
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