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Remove some checks for StrongPHIElim. These checks make it impossible to use an

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alternative register allocator that does not require LiveIntervals by specifying
it on the command-line for a target that has StrongPHIElimination enabled by
default.

These checks are pretty meaningless anyways, since StrongPHIElimination and
PHIElimination are never used at the same time.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122176 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Cameron Zwarich
2010-12-19 18:03:27 +00:00
parent 368397bb7d
commit d959da92a5
3 changed files with 6 additions and 12 deletions
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6
lib/CodeGen/TwoAddressInstructionPass.cpp
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@@ -148,10 +148,8 @@ namespace {
AU.addPreserved<LiveVariables>();
AU.addPreservedID(MachineLoopInfoID);
AU.addPreservedID(MachineDominatorsID);
if (StrongPHIElim)
AU.addPreservedID(StrongPHIEliminationID);
else
AU.addPreservedID(PHIEliminationID);
AU.addPreservedID(StrongPHIEliminationID);
AU.addPreservedID(PHIEliminationID);
MachineFunctionPass::getAnalysisUsage(AU);
}