[llvm] [PGO] Ensure non-zero entry-count after `populateCounters` (PR #112029)

[Michael O'Farrell via llvm-commits]

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@@ -0,0 +1,28 @@
+; RUN: llvm-profdata merge %S/Inputs/fix_entry_count_sampled.proftext -o %t.profdata
+; RUN: opt < %s -passes=pgo-instr-use -pgo-test-profile-file=%t.profdata -S | FileCheck %s --check-prefix=USE
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mofarrell wrote:

Certainly.  This followed the neighboring tests `fix_entry_count.ll`'s style, which is testing similar functionality.

https://github.com/llvm/llvm-project/pull/112029