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Mark several codegen passes as preserving all analysis.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56469 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2008-09-22 20:58:04 +00:00
parent f74185b80e
commit bbeeb2a61e
9 changed files with 31 additions and 8 deletions
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5
lib/CodeGen/LowerSubregs.cpp
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@ -30,6 +30,11 @@ namespace {
return "Subregister lowering instruction pass";
}
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesAll();
MachineFunctionPass::getAnalysisUsage(AU);
}
/// runOnMachineFunction - pass entry point
bool runOnMachineFunction(MachineFunction&);