From d877b6b7f4ca085d87ce225b1f31fe45e4b47c45 Mon Sep 17 00:00:00 2001
From: rina <k@rina.fyi>
Date: Thu, 4 Apr 2024 16:45:22 +1000
Subject: [PATCH] compile speedups with clang+lld

---
 offlineASL-cpp/build.sh                                       | 2 +-
 offlineASL-cpp/meson.build                                    | 4 +++-
 .../subprojects/aslp-lifter-instantiate/pch/cpp_pch.hpp       | 1 +
 offlineASL-cpp/subprojects/aslp-lifter/src/dummy.cpp          | 3 ---
 4 files changed, 5 insertions(+), 5 deletions(-)
 delete mode 100644 offlineASL-cpp/subprojects/aslp-lifter/src/dummy.cpp

diff --git a/offlineASL-cpp/build.sh b/offlineASL-cpp/build.sh
index f22cb990..42da6417 100755
--- a/offlineASL-cpp/build.sh
+++ b/offlineASL-cpp/build.sh
@@ -7,7 +7,7 @@ dir="$(dirname "$0")"
 cd "$dir"
 # echo ":gen A64 aarch64.+ cpp ./subprojects" | dune exec asli
 
-meson setup --reconfigure build
+CXX=$(which clang++) CXX_LD=$(which ld.lld) meson setup --reconfigure build
 pushd build
 meson compile
 DESTDIR=$(pwd)/prefix meson install
diff --git a/offlineASL-cpp/meson.build b/offlineASL-cpp/meson.build
index e81190d3..da5bb11f 100644
--- a/offlineASL-cpp/meson.build
+++ b/offlineASL-cpp/meson.build
@@ -4,7 +4,9 @@ project('offlineasl', 'cpp',
     'warning_level=3',
     'cpp_std=c++20',
     'buildtype=debug',
-    'strip=true',
+    # 'optimization=1', # slow and increases file size?
+    # 'b_lto=true', # too slow
+    # 'b_lto_mode=thin',
   ]
 )
 
diff --git a/offlineASL-cpp/subprojects/aslp-lifter-instantiate/pch/cpp_pch.hpp b/offlineASL-cpp/subprojects/aslp-lifter-instantiate/pch/cpp_pch.hpp
index 2c78aed1..fabe7098 100644
--- a/offlineASL-cpp/subprojects/aslp-lifter-instantiate/pch/cpp_pch.hpp
+++ b/offlineASL-cpp/subprojects/aslp-lifter-instantiate/pch/cpp_pch.hpp
@@ -5,3 +5,4 @@
 #include <stdexcept>
 #include <aslp/interface.hpp>
 #include <aslp/generated/aslp_lifter.hpp>
+#include <aslp/llvm_lifter_traits.hpp>
diff --git a/offlineASL-cpp/subprojects/aslp-lifter/src/dummy.cpp b/offlineASL-cpp/subprojects/aslp-lifter/src/dummy.cpp
deleted file mode 100644
index 16db28ed..00000000
--- a/offlineASL-cpp/subprojects/aslp-lifter/src/dummy.cpp
+++ /dev/null
@@ -1,3 +0,0 @@
-int main() {
-  return 1;
-}