[llvm] [coro][pgo] Don't promote pgo counters in the suspend basic block (PR #71263)

[David Li via llvm-commits]

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@@ -0,0 +1,175 @@
+; REQUIRES: x86-registered-target
+; RUN: opt -passes='pgo-instr-gen,instrprof,coro-split' -do-counter-promotion=true -S < %s | FileCheck %s
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david-xl wrote:

the test case is a little large. Possible to reduce it ?

https://github.com/llvm/llvm-project/pull/71263