Revert "[llvm-profdata] Add SaturatingAdd/SaturatingMultiply Helper Functions"

[oota-llvm.git] / include / llvm / ExecutionEngine / GenericValue.h

diff --git a/include/llvm/ExecutionEngine/GenericValue.h b/include/llvm/ExecutionEngine/GenericValue.h
index 0371009bdd43e1a9dd3b86f40bbbdfb856b45ada..0e92f79eba8f3c88d1cedc5b608c793913a854fb 100644 (file)
--- a/include/llvm/ExecutionEngine/GenericValue.h
+++ b/include/llvm/ExecutionEngine/GenericValue.h
@@ -2,8 +2,8 @@
 //
 //                     The LLVM Compiler Infrastructure
 //
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
@@ -12,8 +12,8 @@
 //===----------------------------------------------------------------------===//
 
 
-#ifndef GENERIC_VALUE_H
-#define GENERIC_VALUE_H
+#ifndef LLVM_EXECUTIONENGINE_GENERICVALUE_H
+#define LLVM_EXECUTIONENGINE_GENERICVALUE_H
 
 #include "llvm/ADT/APInt.h"
 #include "llvm/Support/DataTypes.h"
@@ -24,21 +24,30 @@ typedef void* PointerTy;
 class APInt;
 
 struct GenericValue {
+  struct IntPair {
+    unsigned int first;
+    unsigned int second;
+  };
   union {
     double          DoubleVal;
     float           FloatVal;
     PointerTy       PointerVal;
-    struct { unsigned int first; unsigned int second; } UIntPairVal;
+    struct IntPair  UIntPairVal;
     unsigned char   Untyped[8];
   };
-  APInt IntVal;   // also used for long doubles
-
-  GenericValue() : DoubleVal(0.0), IntVal(1,0) {}
+  APInt IntVal;   // also used for long doubles.
+  // For aggregate data types.
+  std::vector<GenericValue> AggregateVal;
+
+  // to make code faster, set GenericValue to zero could be omitted, but it is
+  // potentially can cause problems, since GenericValue to store garbage
+  // instead of zero.
+  GenericValue() : IntVal(1,0) {UIntPairVal.first = 0; UIntPairVal.second = 0;}
   explicit GenericValue(void *V) : PointerVal(V), IntVal(1,0) { }
 };
 
 inline GenericValue PTOGV(void *P) { return GenericValue(P); }
 inline void* GVTOP(const GenericValue &GV) { return GV.PointerVal; }
 
-} // End llvm namespace
+} // End llvm namespace.
 #endif