================
@@ -1629,6 +1630,23 @@
PassBuilder::buildModuleOptimizationPipeline(OptimizationLevel Level,
if (!LTOPreLink)
MPM.addPass(RelLookupTableConverterPass());
+ if (PTO.WholeProgramDevirt && LTOPhase == ThinOrFullLTOPhase::None) {
+ MPM.addPass(WholeProgramDevirtPass(/*ExportSummary*/ nullptr,
+ /*ImportSummary*/ nullptr,
+ /*InLTOMode=*/false));
+ MPM.addPass(LowerTypeTestsPass(nullptr, nullptr,
+ lowertypetests::DropTestKind::Assume));
+ if (EnableModuleInliner) {
+ MPM.addPass(ModuleInlinerPass(getInlineParamsFromOptLevel(Level),
----------------
hassnaaHamdi wrote:
It seems that the passes that eliminate the unused GVs are depending on the
inliner where constructors get inlined so it becomes clear which GVs are used
and which are not.
And the WPD needs single GV user of the vtable that contains the virtual
function we need to devirtualize.
So WPD depends on (GlobalOpt/GlobalDCE) which depend on the inliner.
https://github.com/llvm/llvm-project/pull/145031
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