[compiler-rt] [compiler-rt] Add baremetal version of profile library. (PR #167998)

[Peter Smith via llvm-commits]

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@@ -131,9 +130,11 @@ COMPILER_RT_VISIBILITY
 int __llvm_profile_merge_from_buffer(const char *ProfileData,
                                      uint64_t ProfileSize) {
   if (__llvm_profile_get_version() & VARIANT_MASK_TEMPORAL_PROF) {
+#ifndef COMPILER_RT_PROFILE_BAREMETAL
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smithp35 wrote:

Could this be done in InstrProfilingPort.h ? By making the definitions of `PROF_ERR`, `PROF_WARN` and `PROF_NOTE` do nothing?

Probably more code, but maybe more maintainable. 

https://github.com/llvm/llvm-project/pull/167998