Fix includes for LLVM 15

Author: sebastianpoeplau

compiler/Main.cpp

@@ -15,7 +15,6 @@
 #include <llvm/IR/LegacyPassManager.h>
 #include <llvm/Transforms/IPO/PassManagerBuilder.h>
 #include <llvm/Transforms/Scalar.h>
-#include <llvm/Transforms/Scalar/LowerAtomic.h>
 #include <llvm/Transforms/Scalar/Scalarizer.h>
 
 #if LLVM_VERSION_MAJOR >= 13
@@ -29,6 +28,12 @@ using OptimizationLevel = llvm::PassBuilder::OptimizationLevel;
 #endif
 #endif
 
+#if LLVM_VERSION_MAJOR >= 15
+#include <llvm/Transforms/Scalar/LowerAtomicPass.h>
+#else
+#include <llvm/Transforms/Scalar/LowerAtomic.h>
+#endif
+
 #include "Pass.h"
 
 using namespace llvm;