LDA analysis output scaffolding.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74400 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/LoopDependenceAnalysis.cpp b/lib/Analysis/LoopDependenceAnalysis.cpp
index 172a2be..8f3e6ba 100644
--- a/lib/Analysis/LoopDependenceAnalysis.cpp
+++ b/lib/Analysis/LoopDependenceAnalysis.cpp
@@ -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);
}