* 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 1ce41fda430b0f9fd4d7aa9d2e40f743f526900b..2fd2c91a6fd6b5e382ffd45704b34b42a4b72f71 100644 (file)
--- a/lib/CodeGen/RegAlloc/PhyRegAlloc.cpp
+++ b/lib/CodeGen/RegAlloc/PhyRegAlloc.cpp
@@ -48,10 +48,7 @@ namespace {
         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 @@ namespace {
                                       Pass::AnalysisSet &Destroyed,
                                       Pass::AnalysisSet &Provided) {
       Requires.push_back(cfg::LoopInfo::ID);
+      Requires.push_back(MethodLiveVarInfo::ID);
     }
   };
 }

diff --git a/lib/Target/SparcV9/RegAlloc/PhyRegAlloc.cpp b/lib/Target/SparcV9/RegAlloc/PhyRegAlloc.cpp
index 1ce41fda430b0f9fd4d7aa9d2e40f743f526900b..2fd2c91a6fd6b5e382ffd45704b34b42a4b72f71 100644 (file)
--- a/lib/Target/SparcV9/RegAlloc/PhyRegAlloc.cpp
+++ b/lib/Target/SparcV9/RegAlloc/PhyRegAlloc.cpp
@@ -48,10 +48,7 @@ namespace {
         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 @@ namespace {
                                       Pass::AnalysisSet &Destroyed,
                                       Pass::AnalysisSet &Provided) {
       Requires.push_back(cfg::LoopInfo::ID);
+      Requires.push_back(MethodLiveVarInfo::ID);
     }
   };
 }