[llvm] [InstrProf] Add pgo use block coverage test (PR #72443)

[Snehasish Kumar via llvm-commits]

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@@ -1,14 +1,20 @@
-; RUN: opt < %s -passes=pgo-instr-gen -pgo-function-entry-coverage -S | FileCheck %s --implicit-check-not="instrprof.cover" --check-prefixes=CHECK,ENTRY
-; RUN: opt < %s -passes=pgo-instr-gen -pgo-block-coverage -S | FileCheck %s --implicit-check-not="instrprof.cover" --check-prefixes=CHECK,BLOCK
+; RUN: opt < %s -passes=pgo-instr-gen -pgo-function-entry-coverage -S | FileCheck %s --implicit-check-not="instrprof.cover" --check-prefixes=CHECK,GEN,ENTRY
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snehasish wrote:

Does --check-prefixes need the "CHECK" item now? It looks like the uses were replaced by GEN. And the other strings that match in this file are CHECK-LABEL directives. 

(Same for the other run commands)

https://github.com/llvm/llvm-project/pull/72443