[llvm] [MemProf] Disable hot hints by default, otherwise convert to NotCold (PR #124219)

[Teresa Johnson via llvm-commits]

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@@ -10,7 +10,9 @@
 ;; $ clang++ -gmlt -fdebug-info-for-profiling -S %S/Inputs/memprof_loop_unroll_b.cc -emit-llvm
 
 ; RUN: llvm-profdata merge %S/Inputs/memprof_loop_unroll.memprofraw --profiled-binary %S/Inputs/memprof_loop_unroll.exe -o %t.memprofdata
-; RUN: opt < %s -passes='memprof-use<profile-filename=%t.memprofdata>' -S -memprof-report-hinted-sizes 2>&1 | FileCheck %s
+;; Set the minimum lifetime threshold to 0 to ensure that one context is
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teresajohnson wrote:

This change is necessary because previously one context was NotCold and the other was Hot, and now they were both NotCold, changing the test behavior.

https://github.com/llvm/llvm-project/pull/124219