================ @@ -2478,3 +2479,76 @@ PreservedAnalyses LowerTypeTestsPass::run(Module &M, return PreservedAnalyses::all(); return PreservedAnalyses::none(); } + +PreservedAnalyses SimplifyTypeTestsPass::run(Module &M, + ModuleAnalysisManager &AM) { + bool Changed = false; + // Figure out whether inlining has exposed a constant address to a lowered + // type test, and remove the test if so and the address is known to pass the + // test. Unfortunately this pass ends up needing to reverse engineer what + // LowerTypeTests did; this is currently inherent to the design of ThinLTO ---------------- teresajohnson wrote:
Can you add a more extensive comment with what this is looking for and why? I don't look at lower type test output often so I don't recall offhand what e.g. it would have looked like without inlining vs with. https://github.com/llvm/llvm-project/pull/141327 _______________________________________________ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits