[llvm-commits] [llvm] r43828 - in /llvm/trunk: include/llvm/Bitcode/Deserialize.h include/llvm/Bitcode/Serialization.h include/llvm/Bitcode/Serialize.h lib/Bitcode/Reader/Deserialize.cpp lib/Bitcode/Writer/Serialize.cpp

[Ted Kremenek]

Author: kremenek
Date: Wed Nov  7 12:24:34 2007
New Revision: 43828

URL: http://llvm.org/viewvc/llvm-project?rev=43828&view=rev
Log:
Implemented serialization of signed integers.

Modified:
    llvm/trunk/include/llvm/Bitcode/Deserialize.h
    llvm/trunk/include/llvm/Bitcode/Serialization.h
    llvm/trunk/include/llvm/Bitcode/Serialize.h
    llvm/trunk/lib/Bitcode/Reader/Deserialize.cpp
    llvm/trunk/lib/Bitcode/Writer/Serialize.cpp

Modified: llvm/trunk/include/llvm/Bitcode/Deserialize.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Bitcode/Deserialize.h?rev=43828&r1=43827&r2=43828&view=diff

==============================================================================
--- llvm/trunk/include/llvm/Bitcode/Deserialize.h (original)
+++ llvm/trunk/include/llvm/Bitcode/Deserialize.h Wed Nov  7 12:24:34 2007
@@ -95,6 +95,8 @@
   ~Deserializer();
 
   uint64_t ReadInt();
+  int64_t ReadSInt();
+  
   bool ReadBool() {
     return ReadInt() ? true : false;
   }

Modified: llvm/trunk/include/llvm/Bitcode/Serialization.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Bitcode/Serialization.h?rev=43828&r1=43827&r2=43828&view=diff

==============================================================================
--- llvm/trunk/include/llvm/Bitcode/Serialization.h (original)
+++ llvm/trunk/include/llvm/Bitcode/Serialization.h Wed Nov  7 12:24:34 2007
@@ -50,6 +50,11 @@
 SERIALIZE_INT_TRAIT(unsigned short)
 SERIALIZE_INT_TRAIT(unsigned int)
 SERIALIZE_INT_TRAIT(unsigned long)
+  
+SERIALIZE_INT_TRAIT(signed char)
+SERIALIZE_INT_TRAIT(signed short)
+SERIALIZE_INT_TRAIT(signed int)
+SERIALIZE_INT_TRAIT(signed long)
 
 #undef SERIALIZE_INT_TRAIT
   

Modified: llvm/trunk/include/llvm/Bitcode/Serialize.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Bitcode/Serialize.h?rev=43828&r1=43827&r2=43828&view=diff

==============================================================================
--- llvm/trunk/include/llvm/Bitcode/Serialize.h (original)
+++ llvm/trunk/include/llvm/Bitcode/Serialize.h Wed Nov  7 12:24:34 2007
@@ -37,7 +37,9 @@
   template <typename T>
   inline void Emit(const T& X) { SerializeTrait<T>::Emit(*this,X); }
   
-  void EmitInt(unsigned X);
+  void EmitInt(uint64_t X);
+  void EmitSInt(int64_t X);
+  
   void EmitBool(bool X) { EmitInt(X); }
   void EmitCStr(const char* beg, const char* end);
   void EmitCStr(const char* cstr);

Modified: llvm/trunk/lib/Bitcode/Reader/Deserialize.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Bitcode/Reader/Deserialize.cpp?rev=43828&r1=43827&r2=43828&view=diff

==============================================================================
--- llvm/trunk/lib/Bitcode/Reader/Deserialize.cpp (original)
+++ llvm/trunk/lib/Bitcode/Reader/Deserialize.cpp Wed Nov  7 12:24:34 2007
@@ -105,6 +105,12 @@
   return Record[RecIdx++];
 }
 
+int64_t Deserializer::ReadSInt() {
+  uint64_t x = ReadInt();
+  int64_t magnitude = x >> 1;
+  return x & 0x1 ? -magnitude : magnitude;
+}
+
 char* Deserializer::ReadCStr(char* cstr, unsigned MaxLen, bool isNullTerm) {
   if (cstr == NULL)
     MaxLen = 0; // Zero this just in case someone does something funny.
@@ -226,3 +232,12 @@
 INT_READ(unsigned short)
 INT_READ(unsigned int)
 INT_READ(unsigned long)
+
+#define SINT_READ(TYPE)\
+void SerializeTrait<TYPE>::Read(Deserializer& D, TYPE& X) {\
+  X = (TYPE) D.ReadSInt(); }
+
+INT_READ(signed char)
+INT_READ(signed short)
+INT_READ(signed int)
+INT_READ(signed long)

Modified: llvm/trunk/lib/Bitcode/Writer/Serialize.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Bitcode/Writer/Serialize.cpp?rev=43828&r1=43827&r2=43828&view=diff

==============================================================================
--- llvm/trunk/lib/Bitcode/Writer/Serialize.cpp (original)
+++ llvm/trunk/lib/Bitcode/Writer/Serialize.cpp Wed Nov  7 12:24:34 2007
@@ -48,11 +48,18 @@
   Stream.ExitBlock();
 }
 
-void Serializer::EmitInt(unsigned X) {
+void Serializer::EmitInt(uint64_t X) {
   assert (BlockLevel > 0);
   Record.push_back(X);
 }
 
+void Serializer::EmitSInt(int64_t X) {
+  if (X >= 0)
+    EmitInt(X << 1);
+  else
+    EmitInt((-X << 1) | 1);
+}
+
 void Serializer::EmitCStr(const char* s, const char* end) {
   Record.push_back(end - s);
   
@@ -91,3 +98,11 @@
 INT_EMIT(unsigned short)
 INT_EMIT(unsigned int)
 INT_EMIT(unsigned long)
+
+#define SINT_EMIT(TYPE)\
+void SerializeTrait<TYPE>::Emit(Serializer&S, TYPE X) { S.EmitSInt(X); }
+
+SINT_EMIT(signed char)
+SINT_EMIT(signed short)
+SINT_EMIT(signed int)
+SINT_EMIT(signed long)