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LDA analysis output scaffolding. 

llvm-svn: 74400
This commit is contained in:
Andreas Bolka 2009-06-28 00:16:08 +00:00
parent 317f054531
commit 8976d3bc7e
2 changed files with 27 additions and 2 deletions
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9
llvm/include/llvm/Analysis/LoopDependenceAnalysis.h
View File

@ -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 @@ namespace llvm {
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

20
llvm/lib/Analysis/LoopDependenceAnalysis.cpp
View File

@ -43,5 +43,23 @@ bool LoopDependenceAnalysis::runOnLoop(Loop *L, LPPassManager &) {
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);
}