[PM] Make the AnalysisManager parameter to run methods a reference.
This was originally a pointer to support pass managers which didn't use
AnalysisManagers. However, that doesn't realistically come up much and
the complexity of supporting it doesn't really make sense.
In fact, *many* parts of the pass manager were just assuming the pointer
was never null already. This at least makes it much more explicit and
clear.
llvm-svn: 263219
diff --git a/llvm/lib/Analysis/CallGraph.cpp b/llvm/lib/Analysis/CallGraph.cpp
index 2de2e0d..7d9252f 100644
--- a/llvm/lib/Analysis/CallGraph.cpp
+++ b/llvm/lib/Analysis/CallGraph.cpp
@@ -263,8 +263,8 @@
char CallGraphAnalysis::PassID;
PreservedAnalyses CallGraphPrinterPass::run(Module &M,
- AnalysisManager<Module> *AM) {
- AM->getResult<CallGraphAnalysis>(M).print(OS);
+ AnalysisManager<Module> &AM) {
+ AM.getResult<CallGraphAnalysis>(M).print(OS);
return PreservedAnalyses::all();
}