Fix some fixme's in #if 0'd code by making it dependent on the structural

[oota-llvm.git] / lib / CodeGen / PseudoSourceValue.cpp

diff --git a/lib/CodeGen/PseudoSourceValue.cpp b/lib/CodeGen/PseudoSourceValue.cpp
index ea704e6e9c4953b6c5f9917a0c10f55ff176b87b..81cbfb83d2fc7d40c1b0e8c6cff95cfc35cadccc 100644 (file)
--- a/lib/CodeGen/PseudoSourceValue.cpp
+++ b/lib/CodeGen/PseudoSourceValue.cpp
@@ -11,38 +11,46 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "llvm/CodeGen/MachineFrameInfo.h"
 #include "llvm/CodeGen/PseudoSourceValue.h"
 #include "llvm/DerivedTypes.h"
 #include "llvm/Support/Compiler.h"
+#include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/ManagedStatic.h"
+#include "llvm/Support/raw_ostream.h"
 #include <map>
+using namespace llvm;
 
-namespace llvm {
-  static ManagedStatic<PseudoSourceValue[4]> PSVs;
+static ManagedStatic<PseudoSourceValue[4]> PSVs;
 
-  const PseudoSourceValue *PseudoSourceValue::getStack()
-  { return &(*PSVs)[0]; }
-  const PseudoSourceValue *PseudoSourceValue::getGOT()
-  { return &(*PSVs)[1]; }
-  const PseudoSourceValue *PseudoSourceValue::getJumpTable()
-  { return &(*PSVs)[2]; }
-  const PseudoSourceValue *PseudoSourceValue::getConstantPool()
-  { return &(*PSVs)[3]; }
+const PseudoSourceValue *PseudoSourceValue::getStack()
+{ return &(*PSVs)[0]; }
+const PseudoSourceValue *PseudoSourceValue::getGOT()
+{ return &(*PSVs)[1]; }
+const PseudoSourceValue *PseudoSourceValue::getJumpTable()
+{ return &(*PSVs)[2]; }
+const PseudoSourceValue *PseudoSourceValue::getConstantPool()
+{ return &(*PSVs)[3]; }
 
-  static const char *const PSVNames[] = {
-    "Stack",
-    "GOT",
-    "JumpTable"
-    "ConstantPool"
-  };
+static const char *const PSVNames[] = {
+  "Stack",
+  "GOT",
+  "JumpTable",
+  "ConstantPool"
+};
+
+PseudoSourceValue::PseudoSourceValue() :
+  Value(PointerType::getUnqual(Type::Int8Ty), PseudoSourceValueVal) {}
 
-  PseudoSourceValue::PseudoSourceValue() :
-    Value(PointerType::getUnqual(Type::Int8Ty), PseudoSourceValueVal) {}
+void PseudoSourceValue::dump() const {
+  print(errs()); errs() << '\n';
+}
 
-  void PseudoSourceValue::print(std::ostream &OS) const {
-    OS << PSVNames[this - *PSVs];
-  }
+void PseudoSourceValue::print(raw_ostream &OS) const {
+  OS << PSVNames[this - *PSVs];
+}
 
+namespace {
   /// FixedStackPseudoSourceValue - A specialized PseudoSourceValue
   /// for holding FixedStack values, which must include a frame
   /// index.
@@ -51,17 +59,35 @@ namespace llvm {
     const int FI;
   public:
     explicit FixedStackPseudoSourceValue(int fi) : FI(fi) {}
-    virtual void print(std::ostream &OS) const {
+
+    virtual bool isConstant(const MachineFrameInfo *MFI) const;
+
+    virtual void print(raw_ostream &OS) const {
       OS << "FixedStack" << FI;
     }
   };
+}
+
+static ManagedStatic<std::map<int, const PseudoSourceValue *> > FSValues;
 
-  static ManagedStatic<std::map<int, const PseudoSourceValue *> > FSValues;
+const PseudoSourceValue *PseudoSourceValue::getFixedStack(int FI) {
+  const PseudoSourceValue *&V = (*FSValues)[FI];
+  if (!V)
+    V = new FixedStackPseudoSourceValue(FI);
+  return V;
+}
+
+bool PseudoSourceValue::isConstant(const MachineFrameInfo *) const {
+  if (this == getStack())
+    return false;
+  if (this == getGOT() ||
+      this == getConstantPool() ||
+      this == getJumpTable())
+    return true;
+  llvm_unreachable("Unknown PseudoSourceValue!");
+  return false;
+}
 
-  const PseudoSourceValue *PseudoSourceValue::getFixedStack(int FI) {
-    const PseudoSourceValue *&V = (*FSValues)[FI];
-    if (!V)
-      V = new FixedStackPseudoSourceValue(FI);
-    return V;
-  }
+bool FixedStackPseudoSourceValue::isConstant(const MachineFrameInfo *MFI) const{
+  return MFI && MFI->isImmutableObjectIndex(FI);
 }