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X86 floating-point passes don't modify the CFG.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77757 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2009-08-01 00:26:16 +00:00
parent b620724e61
commit df09055cdb
2 changed files with 2 additions and 0 deletions
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1
lib/Target/X86/X86FloatingPoint.cpp
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@ -57,6 +57,7 @@ namespace {
FPS() : MachineFunctionPass(&ID) {}
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesCFG();
AU.addPreservedID(MachineLoopInfoID);
AU.addPreservedID(MachineDominatorsID);
MachineFunctionPass::getAnalysisUsage(AU);

1
lib/Target/X86/X86FloatingPointRegKill.cpp
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@ -35,6 +35,7 @@ namespace {
FPRegKiller() : MachineFunctionPass(&ID) {}
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesCFG();
AU.addPreservedID(MachineLoopInfoID);
AU.addPreservedID(MachineDominatorsID);
MachineFunctionPass::getAnalysisUsage(AU);