From d40ca8022a3c5f0e491faeabf3f8fddf0a0d080b Mon Sep 17 00:00:00 2001
From: Nikita Popov <npopov@redhat.com>
Date: Tue, 11 Feb 2025 10:08:54 +0100
Subject: [PATCH] Add sanity test for llvm-bolt

Test that instrumentation and optimization don't generate errors,
to prevent issues like https://bugzilla.redhat.com/show_bug.cgi?id=2344830.
---
 tests/bolt-sanity/main.fmf | 15 +++++++++++++++
 tests/bolt-sanity/test.sh  |  8 ++++++++
 2 files changed, 23 insertions(+)
 create mode 100644 tests/bolt-sanity/main.fmf
 create mode 100755 tests/bolt-sanity/test.sh

diff --git a/tests/bolt-sanity/main.fmf b/tests/bolt-sanity/main.fmf
new file mode 100644
index 0000000..82ec55e
--- /dev/null
+++ b/tests/bolt-sanity/main.fmf
@@ -0,0 +1,15 @@
+summary: Sanity check that llvm-bolt works
+tier: 1
+
+adjust+:
+  - because: "llvm-bolt is available for Fedora, not RHEL/CentOS"
+    when: distro != fedora
+    enabled: false
+
+  - because: "We only ship llvm-bolt in snapshots for fedora 41 and newer"
+    when: snapshot is defined and distro < fedora-41
+    enabled: false
+
+require+:
+  - llvm-bolt
+  - clang
diff --git a/tests/bolt-sanity/test.sh b/tests/bolt-sanity/test.sh
new file mode 100755
index 0000000..f698911
--- /dev/null
+++ b/tests/bolt-sanity/test.sh
@@ -0,0 +1,8 @@
+#!/bin/sh -eux
+
+echo "int main() { return 0; }" > test.c
+clang -Wl,--emit-relocs test.c
+llvm-bolt a.out -instrument -o a.instrumented.out
+./a.instrumented.out
+llvm-bolt a.out -data /tmp/prof.fdata -o a.bolt.out
+./a.bolt.out