Upgrade to LLVM 17 (#531)

* Support LLVM 16

* Update for LLVM 17

* Add climits include

* Use LLVM 17 branch

* Disable tests in clang build

* Fix regex GC issue

* Use new "codon" branch of exaloop/llvm

codon/cir/llvm/llvisitor.cpp

@@ -80,22 +80,21 @@ LLVMVisitor::LLVMVisitor()
   auto &registry = *llvm::PassRegistry::getPassRegistry();
   llvm::initializeCore(registry);
   llvm::initializeScalarOpts(registry);
-  llvm::initializeObjCARCOpts(registry);
   llvm::initializeVectorization(registry);
   llvm::initializeIPO(registry);
   llvm::initializeAnalysis(registry);
   llvm::initializeTransformUtils(registry);
   llvm::initializeInstCombine(registry);
-  llvm::initializeAggressiveInstCombine(registry);
-  llvm::initializeInstrumentation(registry);
   llvm::initializeTarget(registry);
 
+  llvm::initializeExpandLargeDivRemLegacyPassPass(registry);
+  llvm::initializeExpandLargeFpConvertLegacyPassPass(registry);
   llvm::initializeExpandMemCmpPassPass(registry);
   llvm::initializeScalarizeMaskedMemIntrinLegacyPassPass(registry);
   llvm::initializeSelectOptimizePass(registry);
+  llvm::initializeCallBrPreparePass(registry);
   llvm::initializeCodeGenPreparePass(registry);
   llvm::initializeAtomicExpandPass(registry);
-  llvm::initializeRewriteSymbolsLegacyPassPass(registry);
   llvm::initializeWinEHPreparePass(registry);
   llvm::initializeDwarfEHPrepareLegacyPassPass(registry);
   llvm::initializeSafeStackLegacyPassPass(registry);
@@ -110,8 +109,6 @@ LLVMVisitor::LLVMVisitor()
   llvm::initializeExpandVectorPredicationPass(registry);
   llvm::initializeWasmEHPreparePass(registry);
   llvm::initializeWriteBitcodePassPass(registry);
-  llvm::initializeHardwareLoopsPass(registry);
-  llvm::initializeTypePromotionPass(registry);
   llvm::initializeReplaceWithVeclibLegacyPass(registry);
   llvm::initializeJMCInstrumenterPass(registry);
 }
@@ -1855,7 +1852,7 @@ void LLVMVisitor::visit(const LLVMFunc *x) {
   // set up debug info
   // for now we just set all to func's source location
   auto *srcInfo = getSrcInfo(x);
-  for (auto &block : func->getBasicBlockList()) {
+  for (auto &block : *func) {
     for (auto &inst : block) {
       if (!inst.getDebugLoc()) {
         inst.setDebugLoc(llvm::DebugLoc(llvm::DILocation::get(

codon/cir/llvm/llvm.h

@@ -6,7 +6,6 @@
 #include "llvm/ADT/SmallSet.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/StringRef.h"
-#include "llvm/ADT/Triple.h"
 #include "llvm/Analysis/CallGraph.h"
 #include "llvm/Analysis/CallGraphSCCPass.h"
 #include "llvm/Analysis/CaptureTracking.h"
@@ -26,7 +25,6 @@
 #include "llvm/ExecutionEngine/JITLink/JITLink.h"
 #include "llvm/ExecutionEngine/JITLink/JITLinkDylib.h"
 #include "llvm/ExecutionEngine/JITLink/JITLinkMemoryManager.h"
-#include "llvm/ExecutionEngine/JITLink/MemoryFlags.h"
 #include "llvm/ExecutionEngine/JITSymbol.h"
 #include "llvm/ExecutionEngine/MCJIT.h"
 #include "llvm/ExecutionEngine/Orc/CompileOnDemandLayer.h"
@@ -81,7 +79,6 @@
 #include "llvm/LinkAllIR.h"
 #include "llvm/LinkAllPasses.h"
 #include "llvm/Linker/Linker.h"
-#include "llvm/MC/SubtargetFeature.h"
 #include "llvm/MC/TargetRegistry.h"
 #include "llvm/Passes/PassBuilder.h"
 #include "llvm/Support/Allocator.h"
@@ -92,7 +89,6 @@
 #include "llvm/Support/Error.h"
 #include "llvm/Support/FileSystem.h"
 #include "llvm/Support/FormatVariadic.h"
-#include "llvm/Support/Host.h"
 #include "llvm/Support/InitLLVM.h"
 #include "llvm/Support/Memory.h"
 #include "llvm/Support/Process.h"
@@ -105,11 +101,11 @@
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/Target/TargetLoweringObjectFile.h"
 #include "llvm/Target/TargetMachine.h"
+#include "llvm/TargetParser/Host.h"
 #include "llvm/Transforms/IPO.h"
 #include "llvm/Transforms/IPO/AlwaysInliner.h"
 #include "llvm/Transforms/IPO/GlobalDCE.h"
 #include "llvm/Transforms/IPO/Internalize.h"
-#include "llvm/Transforms/IPO/PassManagerBuilder.h"
 #include "llvm/Transforms/IPO/StripDeadPrototypes.h"
 #include "llvm/Transforms/IPO/StripSymbols.h"
 #include "llvm/Transforms/IPO/WholeProgramDevirt.h"

codon/cir/llvm/optimize.cpp

@@ -63,7 +63,7 @@ void applyDebugTransformations(llvm::Module *module, bool debug, bool jit) {
       f.addFnAttr("no-frame-pointer-elim-non-leaf");
       f.addFnAttr("no-jump-tables", "false");
 
-      for (auto &block : f.getBasicBlockList()) {
+      for (auto &block : f) {
         for (auto &inst : block) {
           if (auto *call = llvm::dyn_cast<llvm::CallInst>(&inst)) {
             call->setTailCall(false);

codon/compiler/debug_listener.cpp

@@ -127,13 +127,15 @@ llvm::Error DebugPlugin::notifyFailed(llvm::orc::MaterializationResponsibility &
   return llvm::Error::success();
 }
 
-llvm::Error DebugPlugin::notifyRemovingResources(llvm::orc::ResourceKey key) {
+llvm::Error DebugPlugin::notifyRemovingResources(llvm::orc::JITDylib &jd,
+                                                 llvm::orc::ResourceKey key) {
   std::lock_guard<std::mutex> lock(pluginMutex);
   registeredObjs.erase(key);
   return llvm::Error::success();
 }
 
-void DebugPlugin::notifyTransferringResources(llvm::orc::ResourceKey dstKey,
+void DebugPlugin::notifyTransferringResources(llvm::orc::JITDylib &jd,
+                                              llvm::orc::ResourceKey dstKey,
                                               llvm::orc::ResourceKey srcKey) {
   std::lock_guard<std::mutex> lock(pluginMutex);
   auto it = registeredObjs.find(srcKey);

codon/compiler/debug_listener.h

@@ -73,8 +73,10 @@ public:
                            llvm::MemoryBufferRef inputObject) override;
   llvm::Error notifyEmitted(llvm::orc::MaterializationResponsibility &mr) override;
   llvm::Error notifyFailed(llvm::orc::MaterializationResponsibility &mr) override;
-  llvm::Error notifyRemovingResources(llvm::orc::ResourceKey key) override;
-  void notifyTransferringResources(llvm::orc::ResourceKey dstKey,
+  llvm::Error notifyRemovingResources(llvm::orc::JITDylib &jd,
+                                      llvm::orc::ResourceKey key) override;
+  void notifyTransferringResources(llvm::orc::JITDylib &jd,
+                                   llvm::orc::ResourceKey dstKey,
                                    llvm::orc::ResourceKey srcKey) override;
   void modifyPassConfig(llvm::orc::MaterializationResponsibility &mr,
                         llvm::jitlink::LinkGraph &,

codon/compiler/engine.cpp

@@ -57,13 +57,12 @@ llvm::Expected<std::unique_ptr<Engine>> Engine::create() {
 
   auto sess = std::make_unique<llvm::orc::ExecutionSession>(std::move(*epc));
 
-  auto epciu =
-      llvm::orc::EPCIndirectionUtils::Create(sess->getExecutorProcessControl());
+  auto epciu = llvm::orc::EPCIndirectionUtils::Create(*sess);
   if (!epciu)
     return epciu.takeError();
 
   (*epciu)->createLazyCallThroughManager(
-      *sess, llvm::pointerToJITTargetAddress(&handleLazyCallThroughError));
+      *sess, llvm::orc::ExecutorAddr::fromPtr(&handleLazyCallThroughError));
 
   if (auto err = llvm::orc::setUpInProcessLCTMReentryViaEPCIU(**epciu))
     return std::move(err);
@@ -87,7 +86,7 @@ llvm::Error Engine::addModule(llvm::orc::ThreadSafeModule module,
   return optimizeLayer.add(rt, std::move(module));
 }
 
-llvm::Expected<llvm::JITEvaluatedSymbol> Engine::lookup(llvm::StringRef name) {
+llvm::Expected<llvm::orc::ExecutorSymbolDef> Engine::lookup(llvm::StringRef name) {
   return sess->lookup({&mainJD}, mangle(name.str()));
 }
 

codon/compiler/engine.h

@@ -52,7 +52,7 @@ public:
   llvm::Error addModule(llvm::orc::ThreadSafeModule module,
                         llvm::orc::ResourceTrackerSP rt = nullptr);
 
-  llvm::Expected<llvm::JITEvaluatedSymbol> lookup(llvm::StringRef name);
+  llvm::Expected<llvm::orc::ExecutorSymbolDef> lookup(llvm::StringRef name);
 };
 
 } // namespace jit

codon/compiler/jit.cpp

@@ -60,7 +60,7 @@ llvm::Error JIT::init() {
   if (auto err = func.takeError())
     return err;
 
-  auto *main = (MainFunc *)func->getAddress();
+  auto *main = func->getAddress().toPtr<MainFunc>();
   (*main)(0, nullptr);
   return llvm::Error::success();
 }
@@ -174,7 +174,7 @@ llvm::Expected<void *> JIT::address(const ir::Func *input) {
   if (auto err = func.takeError())
     return std::move(err);
 
-  return (void *)func->getAddress();
+  return (void *)func->getAddress().getValue();
 }
 
 llvm::Expected<std::string> JIT::run(const ir::Func *input) {
@@ -292,7 +292,7 @@ JITResult JIT::executePython(const std::string &name,
     auto *wrapper = it->second;
     const std::string name = ir::LLVMVisitor::getNameForFunction(wrapper);
     auto func = llvm::cantFail(engine->lookup(name));
-    wrap = (PyWrapperFunc *)func.getAddress();
+    wrap = func.getAddress().toPtr<PyWrapperFunc>();
   } else {
     static int idx = 0;
     auto wrapname = "__codon_wrapped__" + name + "_" + std::to_string(idx++);

codon/compiler/memory_manager.cpp

@@ -179,7 +179,7 @@ void BoehmGCJITLinkMemoryManager::allocate(const llvm::jitlink::JITLinkDylib *JD
     auto &Seg = KV.second;
 
     auto &SegAddr =
-        (AG.getMemDeallocPolicy() == llvm::jitlink::MemDeallocPolicy::Standard)
+        (AG.getMemLifetimePolicy() == llvm::orc::MemLifetimePolicy::Standard)
             ? NextStandardSegAddr
             : NextFinalizeSegAddr;
 
@@ -189,7 +189,7 @@ void BoehmGCJITLinkMemoryManager::allocate(const llvm::jitlink::JITLinkDylib *JD
     SegAddr += llvm::alignTo(Seg.ContentSize + Seg.ZeroFillSize, PageSize);
 
     if (static_cast<int>(AG.getMemProt()) &
-        static_cast<int>(llvm::jitlink::MemProt::Write)) {
+        static_cast<int>(llvm::orc::MemProt::Write)) {
       seq_gc_add_roots((void *)Seg.Addr.getValue(), (void *)SegAddr.getValue());
     }
   }

codon/parser/common.cpp

@@ -3,6 +3,7 @@
 #include "common.h"
 
 #include <cinttypes>
+#include <climits>
 #include <string>
 #include <vector>
 

codon/runtime/lib.h

@@ -56,6 +56,8 @@ SEQ_FUNC void seq_assert_failed(seq_str_t file, seq_int_t line);
 
 SEQ_FUNC void *seq_alloc(size_t n);
 SEQ_FUNC void *seq_alloc_atomic(size_t n);
+SEQ_FUNC void *seq_alloc_uncollectable(size_t n);
+SEQ_FUNC void *seq_alloc_atomic_uncollectable(size_t n);
 SEQ_FUNC void *seq_calloc(size_t m, size_t n);
 SEQ_FUNC void *seq_calloc_atomic(size_t m, size_t n);
 SEQ_FUNC void *seq_realloc(void *p, size_t newsize, size_t oldsize);

codon/runtime/re.cpp

@@ -75,7 +75,7 @@ template <typename KV> struct GCMapAllocator : public std::allocator<KV> {
 
   template <typename KV1> GCMapAllocator(const GCMapAllocator<KV1> &) noexcept {}
 
-  KV *allocate(std::size_t n) { return (KV *)seq_alloc(n * sizeof(KV)); }
+  KV *allocate(std::size_t n) { return (KV *)seq_alloc_uncollectable(n * sizeof(KV)); }
 
   void deallocate(KV *p, std::size_t n) { seq_free(p); }
 

scripts/deps.sh

@@ -33,6 +33,7 @@ if [ ! -f "${INSTALLDIR}/bin/llvm-config" ]; then
     cd "${SRCDIR}/clang/build"
     cmake .. \
         -DCMAKE_BUILD_TYPE=Release \
+        -DLLVM_INCLUDE_TESTS=OFF \
         -DCMAKE_INSTALL_PREFIX="${INSTALLDIR}"
     make -j "${JOBS}"
     make install