[llvm-branch-commits] [llvm] [CodeGen][NPM] Introduce FreeAllAnalysesPass (PR #139517)

[Akshat Oke via llvm-branch-commits]

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@@ -45,3 +45,9 @@ MachineFunctionAnalysis::run(Function &F, FunctionAnalysisManager &FAM) {
 
   return Result(std::move(MF));
 }
+
+PreservedAnalyses FreeAllAnalysesPass::run(Function &F,
+                                           FunctionAnalysisManager &FAM) {
+  FAM.clear(F, F.getName());
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optimisan wrote:

That will also work.

I have added a new method `clearAnalysis` that selectively removes one analysis. This avoids needless `invalidate()` calls to other analysis results which are anyway preserved.

https://github.com/llvm/llvm-project/pull/139517