[llvm] [ctx_prof] Extend `WorkloadImportsManager` to use the contextual profile (PR #98682)

[Mircea Trofin via llvm-commits]

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@@ -115,6 +115,15 @@ TEST_F(PGOCtxProfRWTest, RoundTrip) {
     EXPECT_EQ(Ctxes.size(), 2U);
     for (auto &[G, R] : roots())
       checkSame(*R, Ctxes.find(G)->second);
+
+    DenseSet<GlobalValue::GUID> Guids;
+    Ctxes.at(1U).getContainedGuids(Guids);
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mtrofin wrote:

It's not, but this is the API that the rest of this patch hinges on. I could introduce the test separately.

https://github.com/llvm/llvm-project/pull/98682