[llvm-commits] [llvm] r74400 - in /llvm/trunk: include/llvm/Analysis/LoopDependenceAnalysis.h lib/Analysis/LoopDependenceAnalysis.cpp

[Devang Patel]

Andreas,

Here supporting only raw_ostream from llvm/Support  interface is
enough, no need to support direct std::ostream interface.

-
Devang

On Sat, Jun 27, 2009 at 5:16 PM, Andreas Bolka<a at bolka.at> wrote:
> Author: abolka
> Date: Sat Jun 27 19:16:08 2009
> New Revision: 74400
>
> URL: http://llvm.org/viewvc/llvm-project?rev=74400&view=rev
> Log:
> LDA analysis output scaffolding.
>
> Modified:
>    llvm/trunk/include/llvm/Analysis/LoopDependenceAnalysis.h
>    llvm/trunk/lib/Analysis/LoopDependenceAnalysis.cpp
>
> Modified: llvm/trunk/include/llvm/Analysis/LoopDependenceAnalysis.h
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Analysis/LoopDependenceAnalysis.h?rev=74400&r1=74399&r2=74400&view=diff
>
> ==============================================================================
> --- llvm/trunk/include/llvm/Analysis/LoopDependenceAnalysis.h (original)
> +++ llvm/trunk/include/llvm/Analysis/LoopDependenceAnalysis.h Sat Jun 27 19:16:08 2009
> @@ -21,11 +21,12 @@
>  #define LLVM_ANALYSIS_LOOP_DEPENDENCE_ANALYSIS_H
>
>  #include "llvm/Analysis/LoopPass.h"
> +#include "llvm/Support/raw_ostream.h"
> +#include <iosfwd>
>
>  namespace llvm {
>
>   class AnalysisUsage;
> -  class LoopPass;
>   class ScalarEvolution;
>
>   class LoopDependenceAnalysis : public LoopPass {
> @@ -39,6 +40,12 @@
>     bool runOnLoop(Loop*, LPPassManager&);
>
>     virtual void getAnalysisUsage(AnalysisUsage&) const;
> +
> +    void print(raw_ostream&, const Module* = 0) const;
> +    virtual void print(std::ostream&, const Module* = 0) const;
> +    void print(std::ostream *OS, const Module *M = 0) const {
> +      if (OS) print(*OS, M);
> +    }
>   }; // class LoopDependenceAnalysis
>
>
>
> Modified: llvm/trunk/lib/Analysis/LoopDependenceAnalysis.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/LoopDependenceAnalysis.cpp?rev=74400&r1=74399&r2=74400&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/Analysis/LoopDependenceAnalysis.cpp (original)
> +++ llvm/trunk/lib/Analysis/LoopDependenceAnalysis.cpp Sat Jun 27 19:16:08 2009
> @@ -43,5 +43,23 @@
>
>  void LoopDependenceAnalysis::getAnalysisUsage(AnalysisUsage &AU) const {
>   AU.setPreservesAll();
> -  AU.addRequired<ScalarEvolution>();
> +  AU.addRequiredTransitive<ScalarEvolution>();
> +}
> +
> +static void PrintLoopInfo(
> +    raw_ostream &OS, const LoopDependenceAnalysis *LDA, const Loop *L) {
> +  if (!L->empty()) return; // ignore non-innermost loops
> +
> +  OS << "Loop at depth " << L->getLoopDepth() << ", header block: ";
> +  WriteAsOperand(OS, L->getHeader(), false);
> +  OS << "\n";
> +}
> +
> +void LoopDependenceAnalysis::print(raw_ostream &OS, const Module*) const {
> +  PrintLoopInfo(OS, this, this->L);
> +}
> +
> +void LoopDependenceAnalysis::print(std::ostream &OS, const Module *M) const {
> +  raw_os_ostream os(OS);
> +  print(os, M);
>  }
>
>
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>



-- 
-
Devang