From 026dc74eba5566974a28a82ed77b7e3ea995830c Mon Sep 17 00:00:00 2001
From: Zentrik <Zentrik@users.noreply.github.com>
Date: Sun, 21 Apr 2024 23:45:55 +0100
Subject: [PATCH] Update CodeGenOpt to CodeGenOptLevel

See https://github.com/llvm/llvm-project/pull/66295
---
 src/aotcompile.cpp |  4 ++++
 src/jitlayers.cpp  | 14 ++++++++++++++
 src/jitlayers.h    |  5 +++++
 3 files changed, 23 insertions(+)

diff --git a/src/aotcompile.cpp b/src/aotcompile.cpp
index 9f372cbb5bf207..db56c1374bae3a 100644
--- a/src/aotcompile.cpp
+++ b/src/aotcompile.cpp
@@ -1634,7 +1634,11 @@ void jl_dump_native_impl(void *native_code,
             jl_ExecutionEngine->getTargetOptions(),
             RelocModel,
             CMModel,
+#if JL_LLVM_VERSION >= 180000
+            CodeGenOptLevel::Aggressive // -O3 TODO: respect command -O0 flag?
+#else
             CodeGenOpt::Aggressive // -O3 TODO: respect command -O0 flag?
+#endif
             ));
     fixupTM(*SourceTM);
     auto DL = jl_create_datalayout(*SourceTM);
diff --git a/src/jitlayers.cpp b/src/jitlayers.cpp
index 8b9b7a1aa4b05a..db72f117730be8 100644
--- a/src/jitlayers.cpp
+++ b/src/jitlayers.cpp
@@ -607,6 +607,19 @@ jl_value_t *jl_dump_method_asm_impl(jl_method_instance_t *mi, size_t world,
     return jl_dump_function_asm(&llvmf_dump, emit_mc, asm_variant, debuginfo, binary, false);
 }
 
+#if JL_LLVM_VERSION >= 180000
+CodeGenOptLevel CodeGenOptLevelFor(int optlevel)
+{
+#ifdef DISABLE_OPT
+    return CodeGenOptLevel::None;
+#else
+    return optlevel == 0 ? CodeGenOptLevel::None :
+        optlevel == 1 ? CodeGenOptLevel::Less :
+        optlevel == 2 ? CodeGenOptLevel::Default :
+        CodeGenOptLevel::Aggressive;
+#endif
+}
+#else
 CodeGenOpt::Level CodeGenOptLevelFor(int optlevel)
 {
 #ifdef DISABLE_OPT
@@ -618,6 +631,7 @@ CodeGenOpt::Level CodeGenOptLevelFor(int optlevel)
         CodeGenOpt::Aggressive;
 #endif
 }
+#endif
 
 static auto countBasicBlocks(const Function &F) JL_NOTSAFEPOINT
 {
diff --git a/src/jitlayers.h b/src/jitlayers.h
index a849148653f07c..0be8c6ad993aff 100644
--- a/src/jitlayers.h
+++ b/src/jitlayers.h
@@ -26,6 +26,7 @@
 #include "julia_internal.h"
 #include "platform.h"
 #include "llvm-codegen-shared.h"
+#include "llvm-version.h"
 #include <stack>
 #include <queue>
 
@@ -642,4 +643,8 @@ void optimizeDLSyms(Module &M);
 // NewPM
 #include "passes.h"
 
+#if JL_LLVM_VERSION >= 180000
+CodeGenOptLevel CodeGenOptLevelFor(int optlevel) JL_NOTSAFEPOINT;
+#else
 CodeGenOpt::Level CodeGenOptLevelFor(int optlevel) JL_NOTSAFEPOINT;
+#endif