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Use an AssemblyAnnotatorWriter to clean up IVUsers' debug output. 

The "uses=" comments are just clutter in this context.

llvm-svn: 95799
This commit is contained in:
Dan Gohman 2010-02-10 20:42:37 +00:00
parent e34890f921
commit c42c5243a1
1 changed files with 10 additions and 1 deletions
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11
llvm/lib/Analysis/IVUsers.cpp
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@ -21,6 +21,7 @@
#include "llvm/Analysis/Dominators.h" #include "llvm/Analysis/Dominators.h"
#include "llvm/Analysis/LoopPass.h" #include "llvm/Analysis/LoopPass.h"
#include "llvm/Analysis/ScalarEvolutionExpressions.h" #include "llvm/Analysis/ScalarEvolutionExpressions.h"
#include "llvm/Assembly/AsmAnnotationWriter.h"
#include "llvm/ADT/STLExtras.h" #include "llvm/ADT/STLExtras.h"
#include "llvm/Support/Debug.h" #include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h" #include "llvm/Support/raw_ostream.h"
@ -340,6 +341,13 @@ const SCEV *IVUsers::getCanonicalExpr(const IVStrideUse &U) const {
return RetVal; return RetVal;
} }
namespace {
// Suppress extraneous comments.
class IVUsersAsmAnnotator : public AssemblyAnnotationWriter {};
}
void IVUsers::print(raw_ostream &OS, const Module *M) const { void IVUsers::print(raw_ostream &OS, const Module *M) const {
OS << "IV Users for loop "; OS << "IV Users for loop ";
WriteAsOperand(OS, L->getHeader(), false); WriteAsOperand(OS, L->getHeader(), false);
@ -349,6 +357,7 @@ void IVUsers::print(raw_ostream &OS, const Module *M) const {
} }
OS << ":\n"; OS << ":\n";
IVUsersAsmAnnotator Annotator;
for (unsigned Stride = 0, e = StrideOrder.size(); Stride != e; ++Stride) { for (unsigned Stride = 0, e = StrideOrder.size(); Stride != e; ++Stride) {
std::map<const SCEV *, IVUsersOfOneStride*>::const_iterator SI = std::map<const SCEV *, IVUsersOfOneStride*>::const_iterator SI =
IVUsesByStride.find(StrideOrder[Stride]); IVUsesByStride.find(StrideOrder[Stride]);
@ -364,7 +373,7 @@ void IVUsers::print(raw_ostream &OS, const Module *M) const {
if (UI->isUseOfPostIncrementedValue()) if (UI->isUseOfPostIncrementedValue())
OS << " (post-inc)"; OS << " (post-inc)";
OS << " in "; OS << " in ";
UI->getUser()->print(OS); UI->getUser()->print(OS, &Annotator);
OS << '\n'; OS << '\n';
} }
} }