Update to LLVM 19

Author: arch1t3cht

expr2/reactor/LLVMJIT.cpp

@@ -185,15 +185,7 @@ JITGlobals *JITGlobals::get()
 
 		// Retrieve host CPU name and sub-target features and add them to builder.
 		// Relocation model, code model and codegen opt level are kept to default values.
-		llvm::StringMap<bool> cpuFeatures;
-		bool ok = llvm::sys::getHostCPUFeatures(cpuFeatures);
-
-#if defined(__i386__) || defined(__x86_64__) || \
-    (defined(__linux__) && (defined(__arm__) || defined(__aarch64__)))
-		ASSERT_MSG(ok, "llvm::sys::getHostCPUFeatures returned false");
-#else
-		(void)ok;  // getHostCPUFeatures always returns false on other platforms
-#endif
+		auto cpuFeatures = llvm::sys::getHostCPUFeatures();
 
 		for(auto &feature : cpuFeatures)
 		{

expr2/reactor/LLVMReactor.cpp

@@ -27,6 +27,7 @@
 #include "llvm/IR/Intrinsics.h"
 #include "llvm/IR/IntrinsicsX86.h"
 #include "llvm/IR/LegacyPassManager.h"
+#include <llvm/IR/Module.h>
 #include "llvm/IR/Verifier.h"
 #include "llvm/Support/Alignment.h"
 #include "llvm/Support/ManagedStatic.h"

meson.build

@@ -87,7 +87,7 @@ if use_asmjit
 else
   sources = sources_common + sources_expr2
   incdir += include_directories('expr2/reactor')
-  deps += dependency('llvm', version: ['>= 10.0', '< 19'], method: 'config-tool', static: get_option('static-llvm'),
+  deps += dependency('llvm', version: ['>= 10.0', '< 20'], method: 'config-tool', static: get_option('static-llvm'),
     modules: [
       'asmprinter', 'executionengine', 'target', 'orcjit', 'native',
     ])