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

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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
This commit is contained in:
Chris Lattner
2008-08-23 22:23:09 +00:00
parent ef5dc366e7
commit 944fac71e0
36 changed files with 270 additions and 251 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
lib/Analysis/LoopVR.cpp
View File

@@ -6,6 +6,10 @@
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// FIXME: What does this do?
//
//===----------------------------------------------------------------------===//
#define DEBUG_TYPE "loopvr"
#include "llvm/Analysis/LoopVR.h"
@@ -15,13 +19,11 @@
#include "llvm/Assembly/Writer.h"
#include "llvm/Support/CFG.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/Streams.h"
#include "llvm/Support/raw_ostream.h"
using namespace llvm;
char LoopVR::ID = 0;
namespace {
static RegisterPass<LoopVR> X("loopvr", "Loop Value Ranges", true, true);
}
/// getRange - determine the range for a particular SCEV within a given Loop
ConstantRange LoopVR::getRange(SCEVHandle S, Loop *L, ScalarEvolution &SE) {
@@ -220,11 +222,10 @@ ConstantRange LoopVR::getRange(SCEVHandle S, SCEVHandle T, ScalarEvolution &SE){
bool LoopVR::runOnFunction(Function &F) { Map.clear(); return false; }
void LoopVR::print(std::ostream &os, const Module *) const {
raw_os_ostream OS(os);
for (std::map<Value *, ConstantRange *>::const_iterator I = Map.begin(),
E = Map.end(); I != E; ++I) {
os << *I->first << ": ";
I->second->print(os);
os << "\n";
OS << *I->first << ": " << *I->second << '\n';
}
}