From 5511f695c928dcbcaf7c1d9fca1803c36bddd33e Mon Sep 17 00:00:00 2001
From: Jon Roelofs <jonathan_roelofs@apple.com>
Date: Tue, 21 Jan 2025 15:44:16 -0800
Subject: [PATCH] [llvm][Support] Only enable backtrace test when it's enabled

rdar://138554797
---
 llvm/test/CMakeLists.txt             | 1 +
 llvm/test/Other/crash-stack-trace.ll | 2 +-
 llvm/test/lit.cfg.py                 | 3 +++
 llvm/test/lit.site.cfg.py.in         | 1 +
 4 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/llvm/test/CMakeLists.txt b/llvm/test/CMakeLists.txt
index c66075434f158..231dcfa35a34c 100644
--- a/llvm/test/CMakeLists.txt
+++ b/llvm/test/CMakeLists.txt
@@ -1,6 +1,7 @@
 llvm_canonicalize_cmake_booleans(
   BUILD_SHARED_LIBS
   HAVE_OCAMLOPT
+  ENABLE_BACKTRACES
   LLVM_ENABLE_DIA_SDK
   LLVM_ENABLE_FFI
   LLVM_ENABLE_THREADS
diff --git a/llvm/test/Other/crash-stack-trace.ll b/llvm/test/Other/crash-stack-trace.ll
index 29e43fe8197c2..104933dffa0a9 100644
--- a/llvm/test/Other/crash-stack-trace.ll
+++ b/llvm/test/Other/crash-stack-trace.ll
@@ -1,4 +1,4 @@
-; REQUIRES: asserts
+; REQUIRES: asserts, backtrace
 
 ; RUN: not --crash opt -passes=trigger-crash-module %s -disable-output 2>&1 | \
 ; RUN: FileCheck %s --check-prefix=CHECK-MODULE
diff --git a/llvm/test/lit.cfg.py b/llvm/test/lit.cfg.py
index 5a03a85386e0a..b17d41fa11af7 100644
--- a/llvm/test/lit.cfg.py
+++ b/llvm/test/lit.cfg.py
@@ -597,6 +597,9 @@ def have_ld64_plugin_support():
 ) and not re.match(r"^arm64(e)?-apple-(macos|darwin)", config.target_triple):
     config.available_features.add("debug_frame")
 
+if config.enable_backtrace:
+    config.available_features.add("backtrace")
+
 if config.enable_threads:
     config.available_features.add("thread_support")
 
diff --git a/llvm/test/lit.site.cfg.py.in b/llvm/test/lit.site.cfg.py.in
index 0968f6214772d..0d02920323d2d 100644
--- a/llvm/test/lit.site.cfg.py.in
+++ b/llvm/test/lit.site.cfg.py.in
@@ -41,6 +41,7 @@ config.have_httplib = @LLVM_ENABLE_HTTPLIB@
 config.have_dia_sdk = @LLVM_ENABLE_DIA_SDK@
 config.enable_ffi = @LLVM_ENABLE_FFI@
 config.build_examples = @LLVM_BUILD_EXAMPLES@
+config.enable_backtrace = @ENABLE_BACKTRACES@
 config.enable_threads = @LLVM_ENABLE_THREADS@
 config.build_shared_libs = @BUILD_SHARED_LIBS@
 config.link_llvm_dylib = @LLVM_LINK_LLVM_DYLIB@