[llvm] [profcheck] Add heuristical profile metadata for lowering table-based cttz. (PR #161898)

[Jin Huang via llvm-commits]

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@@ -498,3 +515,8 @@ entry:
   %conv = zext i8 %0 to i32
   ret i32 %conv
 }
+
+!0 = !{!"function_entry_count", i64 1000}
+; CHECK: [[PROF_0]] = !{!"function_entry_count", i64 1000}
+; CHECK: [[PROF_1]] = !{!"branch_weights", i32 1, i32 100}
+; CHECK: [[PROF_2]] = !{!"branch_weights", i32 3, i32 5}
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jinhuang1102 wrote:

Don't need to check the PROF_2.

https://github.com/llvm/llvm-project/pull/161898