Wrap MVT::ValueType in a struct to get type safety

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

diff --git a/lib/CodeGen/PseudoSourceValue.cpp b/lib/CodeGen/PseudoSourceValue.cpp
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..c62e49a4b0823cdf51051b9c6d75eb4fd78f5abb 100644 (file)
--- a/lib/CodeGen/PseudoSourceValue.cpp
+++ b/lib/CodeGen/PseudoSourceValue.cpp
@@ -0,0 +1,46 @@
+//===-- llvm/CodeGen/PseudoSourceValue.cpp ----------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements the PseudoSourceValue class.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/CodeGen/PseudoSourceValue.h"
+#include "llvm/DerivedTypes.h"
+#include "llvm/Support/ManagedStatic.h"
+
+namespace llvm {
+  static ManagedStatic<PseudoSourceValue[5]> PSVs;
+
+  const PseudoSourceValue *PseudoSourceValue::getFixedStack()
+  { return &(*PSVs)[0]; }
+  const PseudoSourceValue *PseudoSourceValue::getStack()
+  { return &(*PSVs)[1]; }
+  const PseudoSourceValue *PseudoSourceValue::getGOT()
+  { return &(*PSVs)[2]; }
+  const PseudoSourceValue *PseudoSourceValue::getConstantPool()
+  { return &(*PSVs)[3]; }
+  const PseudoSourceValue *PseudoSourceValue::getJumpTable()
+  { return &(*PSVs)[4]; }
+
+  static const char *const PSVNames[] = {
+    "FixedStack",
+    "Stack",
+    "GOT",
+    "ConstantPool",
+    "JumpTable"
+  };
+
+  PseudoSourceValue::PseudoSourceValue() :
+    Value(PointerType::getUnqual(Type::Int8Ty), PseudoSourceValueVal) {}
+
+  void PseudoSourceValue::print(std::ostream &OS) const {
+    OS << PSVNames[this - *PSVs];
+  }
+}