From 3de3b1414aaba68c0bea1791f61e69d887d17934 Mon Sep 17 00:00:00 2001
From: Henry Yu <hnryu@ucdavis.edu>
Date: Sun, 7 Jul 2024 22:59:45 -0700
Subject: [PATCH] build: add coverage instrumentation option

---
 llvm/CMakeLists.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/llvm/CMakeLists.txt b/llvm/CMakeLists.txt
index dfe81ad0e2ee35..69022d4ff02b46 100644
--- a/llvm/CMakeLists.txt
+++ b/llvm/CMakeLists.txt
@@ -48,6 +48,11 @@ project(LLVM
   VERSION ${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}
   LANGUAGES C CXX ASM)
 
+if (COVERAGE)
+  add_compile_options(--coverage)
+  add_link_options(--coverage)
+endif()
+
 if (NOT DEFINED CMAKE_INSTALL_LIBDIR AND DEFINED LLVM_LIBDIR_SUFFIX)
   # Must go before `include(GNUInstallDirs)`.
   set(CMAKE_INSTALL_LIBDIR "lib${LLVM_LIBDIR_SUFFIX}")