[clang] [compiler-rt] [profile] Add `%b` `LLVM_PROFILE_FILE` option for binary ID (PR #123963)

[David Li via llvm-commits]

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@@ -0,0 +1,37 @@
+// REQUIRES: linux
+// RUN: split-file %s %t.dir
+// RUN: %clang_profgen -Wl,--build-id=sha1 -o %t.dir/foo %t.dir/foo.c
+// RUN: %clang_profgen -Wl,--build-id=sha1 -o %t.dir/bar %t.dir/bar.c
+
+// Check that foo and bar have the same signatures.
+// RUN: rm -rf %t.profdir
+// RUN: env LLVM_PROFILE_FILE=%t.profdir/%m.profraw %run %t.dir/foo
+// RUN: env LLVM_PROFILE_FILE=%t.profdir/%m.profraw %run %t.dir/bar 2>&1 | FileCheck %s --check-prefix=MERGE-ERROR
+
+// Check that foo and bar have different binary IDs.
+// RUN: rm -rf %t.profdir %t.profdata
+// RUN: env LLVM_PROFILE_FILE=%t.profdir/%b.profraw %run %t.dir/foo
+// RUN: env LLVM_PROFILE_FILE=%t.profdir/%b.profraw %run %t.dir/bar
+// RUN: llvm-profdata merge -o %t.profdata %t.profdir
+// RUN: llvm-profdata show %t.profdata | FileCheck %s --check-prefix=BINARY-ID
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david-xl wrote:

check the binary ids after merging?

https://github.com/llvm/llvm-project/pull/123963