* RegisterAllocation _uses_ LiveVar analysis, instead of creating it's own copy
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1701 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/RegAlloc/PhyRegAlloc.cpp b/lib/CodeGen/RegAlloc/PhyRegAlloc.cpp
index 1ce41fd..2fd2c91 100644
--- a/lib/CodeGen/RegAlloc/PhyRegAlloc.cpp
+++ b/lib/CodeGen/RegAlloc/PhyRegAlloc.cpp
@@ -48,10 +48,7 @@
cerr << "\n******************** Method "<< M->getName()
<< " ********************\n";
- MethodLiveVarInfo LVI(M); // Analyze live varaibles
- LVI.analyze();
-
- PhyRegAlloc PRA(M, Target, &LVI,
+ PhyRegAlloc PRA(M, Target, &getAnalysis<MethodLiveVarInfo>(),
&getAnalysis<cfg::LoopInfo>());
PRA.allocateRegisters();
@@ -63,6 +60,7 @@
Pass::AnalysisSet &Destroyed,
Pass::AnalysisSet &Provided) {
Requires.push_back(cfg::LoopInfo::ID);
+ Requires.push_back(MethodLiveVarInfo::ID);
}
};
}