Added documented rsprofiler interface. Also remove new profiler passes, the
old ones have been updated to implement the interface.
llvm-svn: 24499
diff --git a/llvm/lib/Transforms/Instrumentation/RSProfiling.h b/llvm/lib/Transforms/Instrumentation/RSProfiling.h
index 3ab1254..304ce08 100644
--- a/llvm/lib/Transforms/Instrumentation/RSProfiling.h
+++ b/llvm/lib/Transforms/Instrumentation/RSProfiling.h
@@ -1,4 +1,4 @@
-//===- RSProfiling.cpp - Various profiling using random sampling ----------===//
+//===- RSProfiling.h - Various profiling using random sampling ----------===//
//
// The LLVM Compiler Infrastructure
//
@@ -10,18 +10,19 @@
// See notes in RSProfiling.cpp
//
//===----------------------------------------------------------------------===//
+#include "llvm/Transforms/RSProfiling.h"
namespace llvm {
- // By default, we provide some convienence stuff to clients, so they
- // can just store the instructions they create to do profiling.
- // also, handle all chaining issues.
- // a client is free to overwrite these, as long as it implements the
- // chaining itself.
- struct RSProfilers : public ModulePass {
+ /// RSProfilers_std - a simple support class for profilers that handles most
+ /// of the work of chaining and tracking inserted code.
+ struct RSProfilers_std : public RSProfilers {
std::set<Value*> profcode;
+ // Lookup up values in profcode
virtual bool isProfiling(Value* v);
- virtual ~RSProfilers() {}
+ // handles required chaining
virtual void getAnalysisUsage(AnalysisUsage &AU) const;
+ // places counter updates in basic blocks and recordes added instructions in
+ // profcode
void IncrementCounterInBlock(BasicBlock *BB, unsigned CounterNum,
GlobalValue *CounterArray);
};