[llvm] Add minimum count threshold for indirect call promotion (PR #145282)

[Teresa Johnson via llvm-commits]

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@@ -1,6 +1,10 @@
 ; RUN: opt < %s -passes=pgo-icall-prom -S -icp-total-percent-threshold=50 | FileCheck %s --check-prefix=ICALL-PROM
 ; RUN: opt < %s -passes=pgo-icall-prom -S -pass-remarks=pgo-icall-prom -icp-remaining-percent-threshold=0 -icp-total-percent-threshold=0 -icp-max-prom=4 2>&1 | FileCheck %s --check-prefix=PASS-REMARK
 ; RUN: opt < %s -passes=pgo-icall-prom -S -pass-remarks=pgo-icall-prom -icp-remaining-percent-threshold=0 -icp-total-percent-threshold=20 -icp-max-prom=4 2>&1 | FileCheck %s --check-prefix=PASS2-REMARK
+; Test minimum count threshold - should prevent func1 promotion (count 10 < threshold 15)
+; RUN: opt < %s -passes=pgo-icall-prom -S -pass-remarks=pgo-icall-prom -icp-minimum-count-threshold=15 -icp-remaining-percent-threshold=0 -icp-total-percent-threshold=0 -icp-max-prom=4 2>&1 | FileCheck %s --check-prefix=MIN-COUNT-ALLOW
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teresajohnson wrote:

Nit: The check prefix names for the new invocations are unclear (e.g. ALLOW means allow what?). Maybe just explicitly make them "MIN-COUNT-15" and "MIN-COUNT-10".

https://github.com/llvm/llvm-project/pull/145282