[compiler-rt] [llvm] [memprof] Use -memprof-default-options to set options during compile time (PR #118874)

[Snehasish Kumar via llvm-commits]

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@@ -1,5 +1,8 @@
 // RUN: %clangxx_memprof -O2 %s -o %t && %run %t 2>&1 | FileCheck %s
 
+// Check that overriding __memprof_default_options() takes precedence over the LLVM flag
+// RUN: %clangxx_memprof -O2 %s -o %t-flag -mllvm -memprof-runtime-default-options="verbosity=0 help=0" && %run %t-flag 2>&1 | FileCheck %s
+
 const char *kMemProfDefaultOptions = "verbosity=1 help=1";
 
 extern "C" const char *__memprof_default_options() {
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snehasish wrote:

I think the CHECK statement below will need to be updated to check `verbosity=1 help=1` to verify the behaviour.

https://github.com/llvm/llvm-project/pull/118874