[llvm] [PGO][profcheck] ignore explicitly cold functions (PR #151778)

[Aiden Grossman via llvm-commits]

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@@ -119,11 +136,20 @@ PreservedAnalyses ProfileInjectorPass::run(Function &F,
 
 PreservedAnalyses ProfileVerifierPass::run(Function &F,
                                            FunctionAnalysisManager &FAM) {
+  const auto EntryCount = F.getEntryCount(/*AllowSynthetic=*/true);
+  if (!EntryCount) {
+    F.getContext().emitError("Profile verification failed: function entry "
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boomanaiden154 wrote:

You should probably have a test for this case?

https://github.com/llvm/llvm-project/pull/151778