16#include <llvm-c/Analysis.h>
17#include <llvm-c/BitReader.h>
18#include <llvm-c/BitWriter.h>
19#include <llvm-c/Core.h>
20#include <llvm-c/ExecutionEngine.h>
21#if LLVM_VERSION_MAJOR > 16
22#include <llvm-c/Transforms/PassBuilder.h>
24#include <llvm-c/Orc.h>
25#include <llvm-c/OrcEE.h>
26#include <llvm-c/LLJIT.h>
27#include <llvm-c/Support.h>
28#include <llvm-c/Target.h>
29#if LLVM_VERSION_MAJOR < 17
30#include <llvm-c/Transforms/IPO.h>
31#include <llvm-c/Transforms/PassManagerBuilder.h>
32#include <llvm-c/Transforms/Scalar.h>
33#include <llvm-c/Transforms/Utils.h>
45#define LLVMJIT_LLVM_CONTEXT_REUSE_MAX 100
122 .
name =
"LLVM JIT context",
143 .version = PG_VERSION
176 elog(
ERROR,
"Trying to recreate a non-existing context");
225 LLVMJitContext *context;
236 sizeof(LLVMJitContext));
237 context->base.flags = jitFlags;
254 LLVMJitContext *llvm_jit_context = (LLVMJitContext *) context;
273 if (llvm_jit_context->module)
275 LLVMDisposeModule(llvm_jit_context->module);
276 llvm_jit_context->module = NULL;
279 foreach(lc, llvm_jit_context->handles)
284 LLVMOrcExecutionSessionRef ee;
285 LLVMOrcSymbolStringPoolRef sp;
296 ee = LLVMOrcLLJITGetExecutionSession(jit_handle->
lljit);
297 sp = LLVMOrcExecutionSessionGetSymbolStringPool(ee);
298 LLVMOrcSymbolStringPoolClearDeadEntries(sp);
304 llvm_jit_context->handles =
NIL;
308 if (llvm_jit_context->resowner)
323 if (!context->module)
325 context->compiled =
false;
327 context->module = LLVMModuleCreateWithNameInContext(
"pg",
llvm_context);
332 return context->module;
343 Assert(context->module != NULL);
345 context->base.instr.created_functions++;
353 context->module_generation,
372 if (!context->compiled)
382 foreach(lc, context->handles)
388 LLVMOrcJITTargetAddress addr;
395 elog(
ERROR,
"failed to look up symbol \"%s\": %s",
409 return (
void *) (uintptr_t) addr;
424 LLVMValueRef v_srcvar;
430 elog(
ERROR,
"variable %s not in llvmjit_types.c", varname);
432 typ = LLVMGlobalGetValueType(v_srcvar);
444 LLVMValueRef v_srcvar;
449 elog(
ERROR,
"function %s not in llvmjit_types.c", varname);
466 LLVMValueRef v_srcfn;
470 v_fn = LLVMGetNamedFunction(mod,
funcname);
479 v_fn = LLVMAddFunction(mod,
495 LLVMAttributeRef *attrs;
497 num_attributes = LLVMGetAttributeCountAtIndex(v_from,
index);
499 if (num_attributes == 0)
502 attrs =
palloc(
sizeof(LLVMAttributeRef) * num_attributes);
503 LLVMGetAttributesAtIndex(v_from,
index, attrs);
505 for (
int attno = 0; attno < num_attributes; attno++)
506 LLVMAddAttributeAtIndex(v_to,
index, attrs[attno]);
530 param_count = LLVMCountParams(v_from);
532 for (
int paramidx = 1; paramidx <= param_count; paramidx++)
541 LLVMBuilderRef builder,
553 if (modname != NULL && basename != NULL)
558 else if (basename != NULL)
570 LLVMValueRef v_fn_addr;
574 v_fn = LLVMGetNamedGlobal(mod,
funcname);
581 LLVMSetInitializer(v_fn, v_fn_addr);
582 LLVMSetGlobalConstant(v_fn,
true);
583 LLVMSetLinkage(v_fn, LLVMPrivateLinkage);
584 LLVMSetUnnamedAddr(v_fn,
true);
590 v_fn = LLVMGetNamedFunction(mod,
funcname);
605#if LLVM_VERSION_MAJOR < 17
606 LLVMPassManagerBuilderRef llvm_pmb;
607 LLVMPassManagerRef llvm_mpm;
608 LLVMPassManagerRef llvm_fpm;
610 int compile_optlevel;
613 compile_optlevel = 3;
615 compile_optlevel = 0;
622 llvm_pmb = LLVMPassManagerBuilderCreate();
623 LLVMPassManagerBuilderSetOptLevel(llvm_pmb, compile_optlevel);
624 llvm_fpm = LLVMCreateFunctionPassManagerForModule(module);
629 LLVMPassManagerBuilderUseInlinerWithThreshold(llvm_pmb, 512);
634 LLVMAddPromoteMemoryToRegisterPass(llvm_fpm);
637 LLVMPassManagerBuilderPopulateFunctionPassManager(llvm_pmb, llvm_fpm);
643 LLVMInitializeFunctionPassManager(llvm_fpm);
644 for (func = LLVMGetFirstFunction(context->module);
646 func = LLVMGetNextFunction(func))
647 LLVMRunFunctionPassManager(llvm_fpm, func);
648 LLVMFinalizeFunctionPassManager(llvm_fpm);
649 LLVMDisposePassManager(llvm_fpm);
655 llvm_mpm = LLVMCreatePassManager();
656 LLVMPassManagerBuilderPopulateModulePassManager(llvm_pmb,
660 LLVMAddAlwaysInlinerPass(llvm_mpm);
664 LLVMAddFunctionInliningPass(llvm_mpm);
665 LLVMRunPassManager(llvm_mpm, context->module);
666 LLVMDisposePassManager(llvm_mpm);
668 LLVMPassManagerBuilderDispose(llvm_pmb);
670 LLVMPassBuilderOptionsRef
options;
675 passes =
"default<O3>";
677 passes =
"default<O0>,mem2reg";
679 options = LLVMCreatePassBuilderOptions();
681#ifdef LLVM_PASS_DEBUG
682 LLVMPassBuilderOptionsSetDebugLogging(
options, 1);
686#ifdef USE_ASSERT_CHECKING
687 LLVMPassBuilderOptionsSetVerifyEach(
options,
true);
690 LLVMPassBuilderOptionsSetInlinerThreshold(
options, 512);
692 err = LLVMRunPasses(module, passes, NULL,
options);
697 LLVMDisposePassBuilderOptions(
options);
711 LLVMOrcLLJITRef compile_orc;
734 context->module_generation);
735 LLVMWriteBitcodeToFile(context->module,
filename);
753 context->module_generation);
754 LLVMWriteBitcodeToFile(context->module,
filename);
769 LLVMOrcThreadSafeModuleRef ts_module;
771 LLVMOrcJITDylibRef jd = LLVMOrcLLJITGetMainJITDylib(compile_orc);
773 ts_module = LLVMOrcCreateNewThreadSafeModule(context->module,
llvm_ts_context);
775 handle->
lljit = compile_orc;
784 context->module = NULL;
785 error = LLVMOrcLLJITAddLLVMIRModuleWithRT(compile_orc,
800 context->module = NULL;
801 context->compiled =
true;
805 context->handles =
lappend(context->handles, handle);
826 char *features = NULL;
827 LLVMTargetMachineRef opt0_tm;
828 LLVMTargetMachineRef opt3_tm;
835 LLVMInitializeNativeTarget();
836 LLVMInitializeNativeAsmPrinter();
837 LLVMInitializeNativeAsmParser();
869 cpu = LLVMGetHostCPUName();
870 features = LLVMGetHostCPUFeatures();
871 elog(
DEBUG2,
"LLVMJIT detected CPU \"%s\", with features \"%s\"",
876 LLVMCodeGenLevelNone,
878 LLVMCodeModelJITDefault);
881 LLVMCodeGenLevelAggressive,
883 LLVMCodeModelJITDefault);
885 LLVMDisposeMessage(cpu);
887 LLVMDisposeMessage(features);
891 LLVMLoadLibraryPermanently(NULL);
928 elog(
PANIC,
"LLVMJitContext in use count not 0 at exit (is %zu)",
975 elog(
ERROR,
"failed to extract target information, llvmjit_types.c not loaded");
994 LLVMMemoryBufferRef
buf;
1000 if (LLVMCreateMemoryBufferWithContentsOfFile(path, &
buf, &msg))
1002 elog(
ERROR,
"LLVMCreateMemoryBufferWithContentsOfFile(%s) failed: %s",
1009 elog(
ERROR,
"LLVMParseBitcodeInContext2 of %s failed", path);
1011 LLVMDisposeMemoryBuffer(
buf);
1053 if (strncmp(
name,
"pgextern.", strlen(
"pgextern.")) == 0)
1089#if defined(__darwin__)
1090 if (symname[0] !=
'_')
1091 elog(
ERROR,
"expected prefixed symbol name, but got \"%s\"", symname);
1104 addr = (uintptr_t) LLVMSearchForAddressOfSymbol(symname);
1112 elog(
WARNING,
"failed to resolve name %s", symname);
1114 return (uint64_t) addr;
1119 LLVMOrcLookupStateRef *LookupState, LLVMOrcLookupKind Kind,
1120 LLVMOrcJITDylibRef JD, LLVMOrcJITDylibLookupFlags JDLookupFlags,
1121 LLVMOrcCLookupSet LookupSet,
size_t LookupSetSize)
1123#if LLVM_VERSION_MAJOR > 14
1124 LLVMOrcCSymbolMapPairs symbols =
palloc0(
sizeof(LLVMOrcCSymbolMapPair) * LookupSetSize);
1126 LLVMOrcCSymbolMapPairs symbols =
palloc0(
sizeof(LLVMJITCSymbolMapPair) * LookupSetSize);
1129 LLVMOrcMaterializationUnitRef mu;
1131 for (
int i = 0;
i < LookupSetSize;
i++)
1133 const char *
name = LLVMOrcSymbolStringPoolEntryStr(LookupSet[
i].
Name);
1135 LLVMOrcRetainSymbolStringPoolEntry(LookupSet[
i].
Name);
1136 symbols[
i].Name = LookupSet[
i].Name;
1138 symbols[
i].Sym.Flags.GenericFlags = LLVMJITSymbolGenericFlagsExported;
1141 mu = LLVMOrcAbsoluteSymbols(symbols, LookupSetSize);
1142 error = LLVMOrcJITDylibDefine(JD, mu);
1143 if (
error != LLVMErrorSuccess)
1144 LLVMOrcDisposeMaterializationUnit(mu);
1170static LLVMOrcObjectLayerRef
1173#ifdef USE_LLVM_BACKPORT_SECTION_MEMORY_MANAGER
1174 LLVMOrcObjectLayerRef objlayer =
1175 LLVMOrcCreateRTDyldObjectLinkingLayerWithSafeSectionMemoryManager(ES);
1177 LLVMOrcObjectLayerRef objlayer =
1178 LLVMOrcCreateRTDyldObjectLinkingLayerWithSectionMemoryManager(ES);
1182#if defined(HAVE_DECL_LLVMCREATEGDBREGISTRATIONLISTENER) && HAVE_DECL_LLVMCREATEGDBREGISTRATIONLISTENER
1185 LLVMJITEventListenerRef l = LLVMCreateGDBRegistrationListener();
1187 LLVMOrcRTDyldObjectLinkingLayerRegisterJITEventListener(objlayer, l);
1191#if defined(HAVE_DECL_LLVMCREATEPERFJITEVENTLISTENER) && HAVE_DECL_LLVMCREATEPERFJITEVENTLISTENER
1194 LLVMJITEventListenerRef l = LLVMCreatePerfJITEventListener();
1196 LLVMOrcRTDyldObjectLinkingLayerRegisterJITEventListener(objlayer, l);
1207static LLVMOrcLLJITRef
1210 LLVMOrcLLJITRef lljit;
1211 LLVMOrcJITTargetMachineBuilderRef tm_builder;
1212 LLVMOrcLLJITBuilderRef lljit_builder;
1214 LLVMOrcDefinitionGeneratorRef main_gen;
1215 LLVMOrcDefinitionGeneratorRef ref_gen;
1217 lljit_builder = LLVMOrcCreateLLJITBuilder();
1218 tm_builder = LLVMOrcJITTargetMachineBuilderCreateFromTargetMachine(
tm);
1219 LLVMOrcLLJITBuilderSetJITTargetMachineBuilder(lljit_builder, tm_builder);
1221 LLVMOrcLLJITBuilderSetObjectLinkingLayerCreator(lljit_builder,
1225 error = LLVMOrcCreateLLJIT(&lljit, lljit_builder);
1227 elog(
ERROR,
"failed to create lljit instance: %s",
1230 LLVMOrcExecutionSessionSetErrorReporter(LLVMOrcLLJITGetExecutionSession(lljit),
1237 error = LLVMOrcCreateDynamicLibrarySearchGeneratorForProcess(&main_gen,
1238 LLVMOrcLLJITGetGlobalPrefix(lljit),
1241 elog(
ERROR,
"failed to create generator: %s",
1243 LLVMOrcJITDylibAddGenerator(LLVMOrcLLJITGetMainJITDylib(lljit), main_gen);
1249#if LLVM_VERSION_MAJOR > 14
1254 LLVMOrcJITDylibAddGenerator(LLVMOrcLLJITGetMainJITDylib(lljit), ref_gen);
1262 char *orig = LLVMGetErrorMessage(
error);
1265 LLVMDisposeErrorMessage(orig);
1278 context->resowner = NULL;
void * load_external_function(const char *filename, const char *funcname, bool signalNotFound, void **filehandle)
int errmsg_internal(const char *fmt,...)
int errhidestmt(bool hide_stmt)
int errhidecontext(bool hide_ctx)
#define ereport(elevel,...)
void err(int eval, const char *fmt,...)
void fmgr_symbol(Oid functionId, char **mod, char **fn)
char pkglib_path[MAXPGPATH]
Assert(PointerIsAligned(start, uint64))
#define INSTR_TIME_SET_CURRENT(t)
#define INSTR_TIME_GET_DOUBLE(t)
#define INSTR_TIME_ACCUM_DIFF(x, y, z)
void on_proc_exit(pg_on_exit_callback function, Datum arg)
bool proc_exit_inprogress
void jit_release_context(JitContext *context)
bool jit_profiling_support
bool jit_debugging_support
List * lappend(List *list, void *datum)
void list_free(List *list)
LLVMTypeRef StructFunctionCallInfoData
LLVMTypeRef StructMinimalTupleData
LLVMTypeRef StructMinimalTupleTableSlot
LLVMTypeRef StructPlanState
static LLVMContextRef llvm_context
LLVMJitContext * llvm_create_context(int jitFlags)
LLVMTypeRef StructExprState
static LLVMOrcLLJITRef llvm_opt3_orc
static const char * llvm_triple
LLVMTypeRef StructExprEvalStep
LLVMValueRef llvm_pg_func(LLVMModuleRef mod, const char *funcname)
static void llvm_recreate_llvm_context(void)
struct LLVMJitHandle LLVMJitHandle
LLVMTypeRef TypeParamBool
LLVMTypeRef StructMemoryContextData
static void llvm_set_target(void)
static LLVMTargetRef llvm_targetref
static bool llvm_session_initialized
LLVMTypeRef StructAggStatePerGroupData
static void llvm_create_types(void)
LLVMTypeRef llvm_pg_var_type(const char *varname)
static void ResourceOwnerRememberJIT(ResourceOwner owner, LLVMJitContext *handle)
static void llvm_session_initialize(void)
static size_t llvm_jit_context_in_use_count
static const char * llvm_layout
LLVMValueRef llvm_function_reference(LLVMJitContext *context, LLVMBuilderRef builder, LLVMModuleRef mod, FunctionCallInfo fcinfo)
char * llvm_expand_funcname(struct LLVMJitContext *context, const char *basename)
static void ResOwnerReleaseJitContext(Datum res)
void llvm_split_symbol_name(const char *name, char **modname, char **funcname)
LLVMTypeRef llvm_pg_var_func_type(const char *varname)
LLVMTypeRef StructTupleTableSlot
LLVMTypeRef TypeStorageBool
static LLVMTypeRef load_return_type(LLVMModuleRef mod, const char *name)
static size_t llvm_generation
static LLVMOrcLLJITRef llvm_opt0_orc
static LLVMOrcObjectLayerRef llvm_create_object_layer(void *Ctx, LLVMOrcExecutionSessionRef ES, const char *Triple)
static void ResourceOwnerForgetJIT(ResourceOwner owner, LLVMJitContext *handle)
static void llvm_compile_module(LLVMJitContext *context)
LLVMTypeRef StructHeapTupleTableSlot
static char * llvm_error_message(LLVMErrorRef error)
static LLVMOrcLLJITRef llvm_create_jit_instance(LLVMTargetMachineRef tm)
static LLVMModuleRef llvm_types_module
static void llvm_shutdown(int code, Datum arg)
PG_MODULE_MAGIC_EXT(.name="llvmjit",.version=PG_VERSION)
static LLVMOrcThreadSafeContextRef llvm_ts_context
static const ResourceOwnerDesc jit_resowner_desc
#define LLVMJIT_LLVM_CONTEXT_REUSE_MAX
static LLVMErrorRef llvm_resolve_symbols(LLVMOrcDefinitionGeneratorRef GeneratorObj, void *Ctx, LLVMOrcLookupStateRef *LookupState, LLVMOrcLookupKind Kind, LLVMOrcJITDylibRef JD, LLVMOrcJITDylibLookupFlags JDLookupFlags, LLVMOrcCLookupSet LookupSet, size_t LookupSetSize)
static void llvm_copy_attributes_at_index(LLVMValueRef v_from, LLVMValueRef v_to, uint32 index)
LLVMModuleRef llvm_mutable_module(LLVMJitContext *context)
LLVMTypeRef StructAggState
LLVMTypeRef TypePGFunction
LLVMTypeRef StructTupleDescData
LLVMValueRef AttributeTemplate
static size_t llvm_llvm_context_reuse_count
LLVMTypeRef StructExprContext
static void llvm_optimize_module(LLVMJitContext *context, LLVMModuleRef module)
static uint64_t llvm_resolve_symbol(const char *name, void *ctx)
LLVMTypeRef StructHeapTupleHeaderData
static void llvm_log_jit_error(void *ctx, LLVMErrorRef error)
LLVMTypeRef StructHeapTupleData
static void llvm_release_context(JitContext *context)
void * llvm_get_function(LLVMJitContext *context, const char *funcname)
LLVMTypeRef StructNullableDatum
LLVMValueRef ExecEvalSubroutineTemplate
LLVMValueRef ExecEvalBoolSubroutineTemplate
void _PG_jit_provider_init(JitProviderCallbacks *cb)
LLVMTypeRef StructAggStatePerTransData
void llvm_copy_attributes(LLVMValueRef v_from, LLVMValueRef v_to)
void llvm_enter_fatal_on_oom(void)
bool llvm_in_fatal_on_oom(void)
void llvm_assert_in_fatal_section(void)
void llvm_reset_after_error(void)
void llvm_leave_fatal_on_oom(void)
bool llvm_compile_expr(ExprState *state)
void llvm_inline(LLVMModuleRef M)
void llvm_inline_reset_caches(void)
LLVMTypeRef LLVMGetFunctionReturnType(LLVMValueRef r)
LLVMTypeRef LLVMGetFunctionType(LLVMValueRef r)
void * MemoryContextAlloc(MemoryContext context, Size size)
void * MemoryContextAllocZero(MemoryContext context, Size size)
char * pstrdup(const char *in)
void pfree(void *pointer)
void * palloc0(Size size)
MemoryContext TopMemoryContext
char * pnstrdup(const char *in, Size len)
static MemoryContext MemoryContextSwitchTo(MemoryContext context)
static Datum PointerGetDatum(const void *X)
static Pointer DatumGetPointer(Datum X)
char * psprintf(const char *fmt,...)
ResourceOwner CurrentResourceOwner
void ResourceOwnerForget(ResourceOwner owner, Datum value, const ResourceOwnerDesc *kind)
void ResourceOwnerRemember(ResourceOwner owner, Datum value, const ResourceOwnerDesc *kind)
void ResourceOwnerEnlarge(ResourceOwner owner)
#define RELEASE_PRIO_JIT_CONTEXTS
@ RESOURCE_RELEASE_BEFORE_LOCKS
JitProviderCompileExprCB compile_expr
JitProviderResetAfterErrorCB reset_after_error
JitProviderReleaseContextCB release_context
LLVMOrcResourceTrackerRef resource_tracker