Analysis: take a reference instead of pointer

This parameter is never null.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@216356 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/Analysis/DependenceAnalysis.h b/include/llvm/Analysis/DependenceAnalysis.h
index 279755e..cfe9748 100644 (file)
--- a/include/llvm/Analysis/DependenceAnalysis.h
+++ b/include/llvm/Analysis/DependenceAnalysis.h
@@ -331,7 +331,7 @@ namespace llvm {
     ///
     /// breaks the dependence and allows us to vectorize/parallelize
     /// both loops.
-    const SCEV *getSplitIteration(const Dependence *Dep, unsigned Level);
+    const SCEV *getSplitIteration(const Dependence &Dep, unsigned Level);
 
   private:
     AliasAnalysis *AA;

diff --git a/lib/Analysis/DependenceAnalysis.cpp b/lib/Analysis/DependenceAnalysis.cpp
index d0784f1..312081c 100644 (file)
--- a/lib/Analysis/DependenceAnalysis.cpp
+++ b/lib/Analysis/DependenceAnalysis.cpp
@@ -168,7 +168,7 @@ void dumpExampleDependence(raw_ostream &OS, Function *F,
             for (unsigned Level = 1; Level <= D->getLevels(); Level++) {
               if (D->isSplitable(Level)) {
                 OS << "da analyze - split level = " << Level;
-                OS << ", iteration = " << *DA->getSplitIteration(D, Level);
+                OS << ", iteration = " << *DA->getSplitIteration(*D, Level);
                 OS << "!\n";
               }
             }
@@ -3729,13 +3729,12 @@ Dependence *DependenceAnalysis::depends(Instruction *Src,
 //
 // breaks the dependence and allows us to vectorize/parallelize
 // both loops.
-const  SCEV *DependenceAnalysis::getSplitIteration(const Dependence *Dep,
+const  SCEV *DependenceAnalysis::getSplitIteration(const Dependence &Dep,
                                                    unsigned SplitLevel) {
-  assert(Dep && "expected a pointer to a Dependence");
-  assert(Dep->isSplitable(SplitLevel) &&
+  assert(Dep.isSplitable(SplitLevel) &&
          "Dep should be splitable at SplitLevel");
-  Instruction *Src = Dep->getSrc();
-  Instruction *Dst = Dep->getDst();
+  Instruction *Src = Dep.getSrc();
+  Instruction *Dst = Dep.getDst();
   assert(Src->mayReadFromMemory() || Src->mayWriteToMemory());
   assert(Dst->mayReadFromMemory() || Dst->mayWriteToMemory());
   assert(isLoadOrStore(Src));