Switch the asmprinter (.ll) and all the stuff it requires over to

use raw_ostream instead of std::ostream.  Among other goodness,
this speeds up llvm-dis of kc++ with a release build from 0.85s
to 0.49s (88% faster).

Other interesting changes:
 1) This makes Value::print be non-virtual.
 2) AP[S]Int and ConstantRange can no longer print to ostream directly, 
    use raw_ostream instead.
 3) This fixes a bug in raw_os_ostream where it didn't flush itself 
    when destroyed.
 4) This adds a new SDNode::print method, instead of only allowing "dump".


A lot of APIs have both std::ostream and raw_ostream versions, it would
be useful to go through and systematically anihilate the std::ostream 
versions.

This passes dejagnu, but there may be minor fallout, plz let me know if
so and I'll fix it.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55263 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 4 insertions, 5 deletions

diff --git a/include/llvm/ADT/APInt.h b/include/llvm/ADT/APInt.h
index 25505c836e..6baf12383b 100644
--- a/include/llvm/ADT/APInt.h
+++ b/include/llvm/ADT/APInt.h
@@ -19,13 +19,13 @@
 #include "llvm/Support/MathExtras.h"
 #include <cassert>
 #include <cstring>
-#include <iosfwd>
 #include <string>
 
 namespace llvm {
   class Serializer;
   class Deserializer;
   class FoldingSetNodeID;
+  class raw_ostream;
   
   template<typename T>
   class SmallVectorImpl;
@@ -1115,8 +1115,7 @@ public:
   /// @}
   /// @name Conversion Functions
   /// @{
-
-  void print(std::ostream &OS, bool isSigned) const;
+  void print(raw_ostream &OS, bool isSigned) const;
   
   /// toString - Converts an APInt to a string and append it to Str.  Str is
   /// commonly a SmallString.
@@ -1385,7 +1384,7 @@ inline bool operator!=(uint64_t V1, const APInt& V2) {
   return V2 != V1;
 }
 
-inline std::ostream &operator<<(std::ostream &OS, const APInt &I) {
+inline raw_ostream &operator<<(raw_ostream &OS, const APInt &I) {
   I.print(OS, true);
   return OS;
 }
diff --git a/include/llvm/ADT/APSInt.h b/include/llvm/ADT/APSInt.h
index 00bece62ad..f16f49dc79 100644
--- a/include/llvm/ADT/APSInt.h
+++ b/include/llvm/ADT/APSInt.h
@@ -239,7 +239,7 @@ public:
   void Profile(FoldingSetNodeID& ID) const;
 };
   
-inline std::ostream &operator<<(std::ostream &OS, const APSInt &I) {
+inline raw_ostream &operator<<(raw_ostream &OS, const APSInt &I) {
   I.print(OS, I.isSigned());
   return OS;
 }