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.

llvm-svn: 55263

1 files changed, 5 insertions, 0 deletions

diff --git a/llvm/lib/CodeGen/MachineFunction.cpp b/llvm/lib/CodeGen/MachineFunction.cpp
index b243297253f..bc5d59e8be8 100644
--- a/llvm/lib/CodeGen/MachineFunction.cpp
+++ b/llvm/lib/CodeGen/MachineFunction.cpp
@@ -28,6 +28,7 @@
 #include "llvm/Instructions.h"
 #include "llvm/Support/Compiler.h"
 #include "llvm/Support/GraphWriter.h"
+#include "llvm/Support/raw_ostream.h"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/Config/config.h"
 #include <fstream>
@@ -525,6 +526,10 @@ unsigned MachineConstantPool::getConstantPoolIndex(MachineConstantPoolValue *V,
   return Constants.size()-1;
 }
 
+void MachineConstantPoolValue::print(std::ostream &o) const {
+  raw_os_ostream OS(o);
+  print(OS);
+}
 
 void MachineConstantPool::print(std::ostream &OS) const {
   for (unsigned i = 0, e = Constants.size(); i != e; ++i) {