[clang] [lld] [llvm] Compute GUIDs once and store in metadata (PR #184065)

[Owen Rodley via cfe-commits]

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@@ -886,6 +887,12 @@ void llvm::updateVCallVisibilityInModule(
     function_ref<bool(StringRef)> IsVisibleToRegularObj) {
   if (!hasWholeProgramVisibility(WholeProgramVisibilityEnabledInLTO))
     return;
+
+  // Manually assign GUIDs -- updateVCallVisibilityInModule accesses GUIDs, and
+  // there's no way to specify it in the pass pipeline since this runs before
+  // any pass given on the command line.
+  AssignGUIDPass::runOnModule(M);
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orodley wrote:

Done.

https://github.com/llvm/llvm-project/pull/184065