[clang-tools-extra] [compiler-rt] [clang] [PGO] Exposing PGO's Counter Reset and File Dumping APIs (PR #76471)

[Qiongsi Wu via cfe-commits]

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@@ -0,0 +1,38 @@
+// RUN: %clang_profgen %s --target=ppc64le-unknown-linux-gnu -S \
+// RUN:    -emit-llvm -o - | FileCheck %s --check-prefix=PROFGEN
+// RUN: %clang_profgen -o %t %s
+// RUN: env LLVM_PROFILE_FILE=%t.profraw %run %t
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qiongsiwu wrote:

> Relatedly, I do get compilation errors on ppc big-endian systems for clang_pgogen in another compiler-rt test ([commit](https://github.com/llvm/llvm-project/commit/5136c167a2573fbd05179849cb41b198c4862b12) and [buildbot link](https://lab.llvm.org/buildbot/#/builders/18/builds/13228))

> From the error message, I think lack of ABI implementation should manifest whether it's clang_pgogen or clang_profgen.

Hmmm thanks for pointing this out! I don't have access to a BE machine at the moment to reproduce but I will go find one and take a look. 

https://github.com/llvm/llvm-project/pull/76471