RegionInfo: Do not crash if unreachable block is found

[oota-llvm.git] / lib / CodeGen / PrologEpilogInserter.h

diff --git a/lib/CodeGen/PrologEpilogInserter.h b/lib/CodeGen/PrologEpilogInserter.h
index e56c36fe908c2f59b13c4197b23c4c0c08fa3f0a..87fff9afb309d93d29c98fdc146e4b894e48ce39 100644 (file)
--- a/lib/CodeGen/PrologEpilogInserter.h
+++ b/lib/CodeGen/PrologEpilogInserter.h
@@ -22,11 +22,11 @@
 #ifndef LLVM_CODEGEN_PEI_H
 #define LLVM_CODEGEN_PEI_H
 
-#include "llvm/CodeGen/Passes.h"
+#include "llvm/ADT/DenseMap.h"
+#include "llvm/ADT/SparseBitVector.h"
 #include "llvm/CodeGen/MachineFunctionPass.h"
 #include "llvm/CodeGen/MachineLoopInfo.h"
-#include "llvm/ADT/SparseBitVector.h"
-#include "llvm/ADT/DenseMap.h"
+#include "llvm/CodeGen/Passes.h"
 #include "llvm/Target/TargetRegisterInfo.h"
 
 namespace llvm {
@@ -36,10 +36,8 @@ namespace llvm {
   class PEI : public MachineFunctionPass {
   public:
     static char ID;
-    PEI() : MachineFunctionPass(ID) {}
-
-    const char *getPassName() const {
-      return "Prolog/Epilog Insertion & Frame Finalization";
+    PEI() : MachineFunctionPass(ID) {
+      initializePEIPass(*PassRegistry::getPassRegistry());
     }
 
     virtual void getAnalysisUsage(AnalysisUsage &AU) const;
@@ -99,13 +97,6 @@ namespace llvm {
     // TRI->requiresFrameIndexScavenging() for the curren function.
     bool FrameIndexVirtualScavenging;
 
-    // When using the scavenger post-pass to resolve frame reference
-    // materialization registers, maintain a map of the registers to
-    // the constant value and SP adjustment associated with it.
-    typedef std::pair<TargetRegisterInfo::FrameIndexValue, int>
-      FrameConstantEntry;
-    DenseMap<unsigned, FrameConstantEntry> FrameConstantRegMap;
-
 #ifndef NDEBUG
     // Machine function handle.
     MachineFunction* MF;