[llvm] [memprof] Teach extractCallsFromIR to look into inline stacks (PR #115441)

[Snehasish Kumar via llvm-commits]

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@@ -101,4 +101,116 @@ declare !dbg !19 void @_Z2f3v()
   EXPECT_THAT(CallSites[2],
               Pair(FieldsAre(2U, 9U), IndexedMemProfRecord::getGUID("_Z2f3v")));
 }
+
+TEST(MemProf, ExtractDirectCallsFromIRInline) {
+  // The following IR is generated from:
+  //
+  // void f1();
+  // static inline void f2() { f1(); }
+  // static inline void f3() { f2(); }
+  //
+  // void g1();
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snehasish wrote:

Ok, we don't define the function intentionally so that there is nothing to inline.

https://github.com/llvm/llvm-project/pull/115441