[clang] [llvm] [Clang]: Enable speculative devirtualization (PR #159685)

[Teresa Johnson via llvm-commits]

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@@ -1641,6 +1642,24 @@ PassBuilder::buildModuleOptimizationPipeline(OptimizationLevel Level,
   if (!LTOPreLink)
     MPM.addPass(RelLookupTableConverterPass());
 
+  if (PTO.DevirtualizeSpeculatively && LTOPhase == ThinOrFullLTOPhase::None) {
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teresajohnson wrote:

Nevermind, this isn't the right place to add the LTO speculative devirt support so a TODO doesn't make sense. Current comment is fine.

https://github.com/llvm/llvm-project/pull/159685