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Add TargetInstrInfo interface isAsCheapAsAMove.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@214158 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jiangning Liu
2014-07-29 01:55:19 +00:00
parent 994af148ca
commit f3224d0617
8 changed files with 23 additions and 9 deletions
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lib/CodeGen/MachineSink.cpp
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@ -292,7 +292,7 @@ bool MachineSinking::isWorthBreakingCriticalEdge(MachineInstr *MI,
if (!CEBCandidates.insert(std::make_pair(From, To)))
return true;
if (!MI->isCopy() && !MI->isAsCheapAsAMove())
if (!MI->isCopy() && !TII->isAsCheapAsAMove(MI))
return true;
// MI is cheap, we probably don't want to break the critical edge for it.