[llvm-branch-commits] [llvm] [CodeGen][NPM] Port XRayInstrumentation to NPM (PR #129865)

[via llvm-branch-commits]

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@@ -143,11 +170,43 @@ void XRayInstrumentation::prependRetWithPatchableExit(
     }
 }
 
-bool XRayInstrumentation::runOnMachineFunction(MachineFunction &MF) {
+PreservedAnalyses
+XRayInstrumentationPass::run(MachineFunction &MF,
+                             MachineFunctionAnalysisManager &MFAM) {
+  MachineDominatorTree *MDT = nullptr;
+  MachineLoopInfo *MLI = nullptr;
+
+  if (XRayInstrumentation::needMDTAndMLIAnalyses(MF.getFunction())) {
+    MDT = MFAM.getCachedResult<MachineDominatorTreeAnalysis>(MF);
+    MLI = MFAM.getCachedResult<MachineLoopAnalysis>(MF);
+  }
+
+  if (!XRayInstrumentation(MDT, MLI).run(MF))
+    return PreservedAnalyses::all();
+
+  return getMachineFunctionPassPreservedAnalyses()
+      .preserve<MachineDominatorTreeAnalysis>()
+      .preserve<MachineLoopAnalysis>()
+      .preserveSet<CFGAnalyses>();
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paperchalice wrote:

I think `preserveSet<CFGAnalyses>()` is enough here.

https://github.com/llvm/llvm-project/pull/129865