[llvm] [Pass] Support start/stop in instrumentation (PR #70912)

[Arthur Eubanks via llvm-commits]

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@@ -623,8 +733,9 @@ void CodeGenPassBuilder<Derived>::addIRPasses(AddIRPass &addPass) const {
 
   // Run loop strength reduction before anything else.
   if (getOptLevel() != CodeGenOptLevel::None && !Opt.DisableLSR) {
-    addPass(createFunctionToLoopPassAdaptor(
-        LoopStrengthReducePass(), /*UseMemorySSA*/ true, Opt.DebugPM));
+    addPass(createFunctionToLoopPassAdaptor(LoopStrengthReducePass(),
+                                            /*UseMemorySSA*/ true, Opt.DebugPM),
+            LoopStrengthReducePass::name());
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aeubanks wrote:

this is unfortunate, I wonder if we should just make this a function pass, but we can do that in the future

https://github.com/llvm/llvm-project/pull/70912