1 #include "LLVMWrapper.h"
2 #include "llvm/IR/DebugInfoMetadata.h"
3 #include "llvm/IR/DiagnosticHandler.h"
4 #include "llvm/IR/DiagnosticInfo.h"
5 #include "llvm/IR/DiagnosticPrinter.h"
6 #include "llvm/IR/GlobalVariable.h"
7 #include "llvm/IR/Instructions.h"
8 #include "llvm/IR/Intrinsics.h"
9 #include "llvm/IR/IntrinsicsARM.h"
10 #include "llvm/IR/Mangler.h"
11 #include "llvm/Object/Archive.h"
12 #include "llvm/Object/COFFImportFile.h"
13 #include "llvm/Object/ObjectFile.h"
14 #include "llvm/Pass.h"
15 #include "llvm/Bitcode/BitcodeWriter.h"
16 #include "llvm/Support/Signals.h"
17 #include "llvm/ADT/Optional.h"
21 //===----------------------------------------------------------------------===
23 // This file defines alternate interfaces to core functions that are more
24 // readily callable by Rust's FFI.
26 //===----------------------------------------------------------------------===
29 using namespace llvm::sys;
30 using namespace llvm::object;
32 // LLVMAtomicOrdering is already an enum - don't create another
34 static AtomicOrdering fromRust(LLVMAtomicOrdering Ordering) {
36 case LLVMAtomicOrderingNotAtomic:
37 return AtomicOrdering::NotAtomic;
38 case LLVMAtomicOrderingUnordered:
39 return AtomicOrdering::Unordered;
40 case LLVMAtomicOrderingMonotonic:
41 return AtomicOrdering::Monotonic;
42 case LLVMAtomicOrderingAcquire:
43 return AtomicOrdering::Acquire;
44 case LLVMAtomicOrderingRelease:
45 return AtomicOrdering::Release;
46 case LLVMAtomicOrderingAcquireRelease:
47 return AtomicOrdering::AcquireRelease;
48 case LLVMAtomicOrderingSequentiallyConsistent:
49 return AtomicOrdering::SequentiallyConsistent;
52 report_fatal_error("Invalid LLVMAtomicOrdering value!");
55 static LLVM_THREAD_LOCAL char *LastError;
57 // Custom error handler for fatal LLVM errors.
59 // Notably it exits the process with code 101, unlike LLVM's default of 1.
60 static void FatalErrorHandler(void *UserData,
61 #if LLVM_VERSION_LT(14, 0)
62 const std::string& Reason,
67 // Do the same thing that the default error handler does.
68 std::cerr << "LLVM ERROR: " << Reason << std::endl;
70 // Since this error handler exits the process, we have to run any cleanup that
71 // LLVM would run after handling the error. This might change with an LLVM
73 sys::RunInterruptHandlers();
78 extern "C" void LLVMRustInstallFatalErrorHandler() {
79 install_fatal_error_handler(FatalErrorHandler);
82 extern "C" void LLVMRustDisableSystemDialogsOnCrash() {
83 sys::DisableSystemDialogsOnCrash();
86 extern "C" char *LLVMRustGetLastError(void) {
87 char *Ret = LastError;
92 extern "C" void LLVMRustSetLastError(const char *Err) {
93 free((void *)LastError);
94 LastError = strdup(Err);
97 extern "C" LLVMContextRef LLVMRustContextCreate(bool shouldDiscardNames) {
98 auto ctx = new LLVMContext();
99 ctx->setDiscardValueNames(shouldDiscardNames);
103 extern "C" void LLVMRustSetNormalizedTarget(LLVMModuleRef M,
104 const char *Triple) {
105 unwrap(M)->setTargetTriple(Triple::normalize(Triple));
108 extern "C" void LLVMRustPrintPassTimings() {
109 raw_fd_ostream OS(2, false); // stderr.
110 TimerGroup::printAll(OS);
113 extern "C" LLVMValueRef LLVMRustGetNamedValue(LLVMModuleRef M, const char *Name,
115 return wrap(unwrap(M)->getNamedValue(StringRef(Name, NameLen)));
118 extern "C" LLVMValueRef LLVMRustGetOrInsertFunction(LLVMModuleRef M,
121 LLVMTypeRef FunctionTy) {
122 return wrap(unwrap(M)
123 ->getOrInsertFunction(StringRef(Name, NameLen),
124 unwrap<FunctionType>(FunctionTy))
129 extern "C" LLVMValueRef
130 LLVMRustGetOrInsertGlobal(LLVMModuleRef M, const char *Name, size_t NameLen, LLVMTypeRef Ty) {
131 Module *Mod = unwrap(M);
132 StringRef NameRef(Name, NameLen);
134 // We don't use Module::getOrInsertGlobal because that returns a Constant*,
135 // which may either be the real GlobalVariable*, or a constant bitcast of it
136 // if our type doesn't match the original declaration. We always want the
137 // GlobalVariable* so we can access linkage, visibility, etc.
138 GlobalVariable *GV = Mod->getGlobalVariable(NameRef, true);
140 GV = new GlobalVariable(*Mod, unwrap(Ty), false,
141 GlobalValue::ExternalLinkage, nullptr, NameRef);
145 extern "C" LLVMValueRef
146 LLVMRustInsertPrivateGlobal(LLVMModuleRef M, LLVMTypeRef Ty) {
147 return wrap(new GlobalVariable(*unwrap(M),
150 GlobalValue::PrivateLinkage,
154 extern "C" LLVMTypeRef LLVMRustMetadataTypeInContext(LLVMContextRef C) {
155 return wrap(Type::getMetadataTy(*unwrap(C)));
158 static Attribute::AttrKind fromRust(LLVMRustAttribute Kind) {
161 return Attribute::AlwaysInline;
163 return Attribute::ByVal;
165 return Attribute::Cold;
167 return Attribute::InlineHint;
169 return Attribute::MinSize;
171 return Attribute::Naked;
173 return Attribute::NoAlias;
175 return Attribute::NoCapture;
177 return Attribute::NoCfCheck;
179 return Attribute::NoInline;
181 return Attribute::NonNull;
183 return Attribute::NoRedZone;
185 return Attribute::NoReturn;
187 return Attribute::NoUnwind;
188 case OptimizeForSize:
189 return Attribute::OptimizeForSize;
191 return Attribute::ReadOnly;
193 return Attribute::SExt;
195 return Attribute::StructRet;
197 return Attribute::UWTable;
199 return Attribute::ZExt;
201 return Attribute::InReg;
203 return Attribute::SanitizeThread;
204 case SanitizeAddress:
205 return Attribute::SanitizeAddress;
207 return Attribute::SanitizeMemory;
209 return Attribute::NonLazyBind;
211 return Attribute::OptimizeNone;
213 return Attribute::ReturnsTwice;
215 return Attribute::ReadNone;
216 case InaccessibleMemOnly:
217 return Attribute::InaccessibleMemOnly;
218 case SanitizeHWAddress:
219 return Attribute::SanitizeHWAddress;
221 return Attribute::WillReturn;
222 case StackProtectReq:
223 return Attribute::StackProtectReq;
224 case StackProtectStrong:
225 return Attribute::StackProtectStrong;
227 return Attribute::StackProtect;
229 return Attribute::NoUndef;
231 return Attribute::SanitizeMemTag;
232 case ShadowCallStack:
233 return Attribute::ShadowCallStack;
235 return Attribute::AllocSize;
236 #if LLVM_VERSION_GE(15, 0)
237 case AllocatedPointer:
238 return Attribute::AllocatedPointer;
240 return Attribute::AllocAlign;
243 report_fatal_error("bad AttributeKind");
246 template<typename T> static inline void AddAttributes(T *t, unsigned Index,
247 LLVMAttributeRef *Attrs, size_t AttrsLen) {
248 AttributeList PAL = t->getAttributes();
249 AttributeList PALNew;
250 #if LLVM_VERSION_LT(14, 0)
252 for (LLVMAttributeRef Attr : makeArrayRef(Attrs, AttrsLen))
253 B.addAttribute(unwrap(Attr));
254 PALNew = PAL.addAttributes(t->getContext(), Index, B);
256 AttrBuilder B(t->getContext());
257 for (LLVMAttributeRef Attr : makeArrayRef(Attrs, AttrsLen))
258 B.addAttribute(unwrap(Attr));
259 PALNew = PAL.addAttributesAtIndex(t->getContext(), Index, B);
261 t->setAttributes(PALNew);
264 extern "C" void LLVMRustAddFunctionAttributes(LLVMValueRef Fn, unsigned Index,
265 LLVMAttributeRef *Attrs, size_t AttrsLen) {
266 Function *F = unwrap<Function>(Fn);
267 AddAttributes(F, Index, Attrs, AttrsLen);
270 extern "C" void LLVMRustAddCallSiteAttributes(LLVMValueRef Instr, unsigned Index,
271 LLVMAttributeRef *Attrs, size_t AttrsLen) {
272 CallBase *Call = unwrap<CallBase>(Instr);
273 AddAttributes(Call, Index, Attrs, AttrsLen);
276 extern "C" LLVMAttributeRef LLVMRustCreateAttrNoValue(LLVMContextRef C,
277 LLVMRustAttribute RustAttr) {
278 return wrap(Attribute::get(*unwrap(C), fromRust(RustAttr)));
281 extern "C" LLVMAttributeRef LLVMRustCreateAlignmentAttr(LLVMContextRef C,
283 return wrap(Attribute::getWithAlignment(*unwrap(C), llvm::Align(Bytes)));
286 extern "C" LLVMAttributeRef LLVMRustCreateDereferenceableAttr(LLVMContextRef C,
288 return wrap(Attribute::getWithDereferenceableBytes(*unwrap(C), Bytes));
291 extern "C" LLVMAttributeRef LLVMRustCreateDereferenceableOrNullAttr(LLVMContextRef C,
293 return wrap(Attribute::getWithDereferenceableOrNullBytes(*unwrap(C), Bytes));
296 extern "C" LLVMAttributeRef LLVMRustCreateByValAttr(LLVMContextRef C, LLVMTypeRef Ty) {
297 return wrap(Attribute::getWithByValType(*unwrap(C), unwrap(Ty)));
300 extern "C" LLVMAttributeRef LLVMRustCreateStructRetAttr(LLVMContextRef C, LLVMTypeRef Ty) {
301 return wrap(Attribute::getWithStructRetType(*unwrap(C), unwrap(Ty)));
304 extern "C" LLVMAttributeRef LLVMRustCreateElementTypeAttr(LLVMContextRef C, LLVMTypeRef Ty) {
305 #if LLVM_VERSION_GE(15, 0)
306 return wrap(Attribute::get(*unwrap(C), Attribute::ElementType, unwrap(Ty)));
308 report_fatal_error("Should not be needed on LLVM < 15");
312 extern "C" LLVMAttributeRef LLVMRustCreateUWTableAttr(LLVMContextRef C, bool Async) {
313 #if LLVM_VERSION_LT(15, 0)
314 return wrap(Attribute::get(*unwrap(C), Attribute::UWTable));
316 return wrap(Attribute::getWithUWTableKind(
317 *unwrap(C), Async ? UWTableKind::Async : UWTableKind::Sync));
321 extern "C" LLVMAttributeRef LLVMRustCreateAllocSizeAttr(LLVMContextRef C, uint32_t ElementSizeArg) {
322 return wrap(Attribute::getWithAllocSizeArgs(*unwrap(C), ElementSizeArg, None));
325 #if LLVM_VERSION_GE(15, 0)
327 // These values **must** match ffi::AllocKindFlags.
328 // It _happens_ to match the LLVM values of llvm::AllocFnKind,
329 // but that's happenstance and we do explicit conversions before
330 // passing them to LLVM.
331 enum class LLVMRustAllocKindFlags : uint64_t {
336 Uninitialized = 1 << 3,
341 static LLVMRustAllocKindFlags operator&(LLVMRustAllocKindFlags A, LLVMRustAllocKindFlags B) {
342 return static_cast<LLVMRustAllocKindFlags>(static_cast<uint64_t>(A) &
343 static_cast<uint64_t>(B));
346 static bool isSet(LLVMRustAllocKindFlags F) { return F != LLVMRustAllocKindFlags::Unknown; }
348 static llvm::AllocFnKind allocKindFromRust(LLVMRustAllocKindFlags F) {
349 llvm::AllocFnKind AFK = llvm::AllocFnKind::Unknown;
350 if (isSet(F & LLVMRustAllocKindFlags::Alloc)) {
351 AFK |= llvm::AllocFnKind::Alloc;
353 if (isSet(F & LLVMRustAllocKindFlags::Realloc)) {
354 AFK |= llvm::AllocFnKind::Realloc;
356 if (isSet(F & LLVMRustAllocKindFlags::Free)) {
357 AFK |= llvm::AllocFnKind::Free;
359 if (isSet(F & LLVMRustAllocKindFlags::Uninitialized)) {
360 AFK |= llvm::AllocFnKind::Uninitialized;
362 if (isSet(F & LLVMRustAllocKindFlags::Zeroed)) {
363 AFK |= llvm::AllocFnKind::Zeroed;
365 if (isSet(F & LLVMRustAllocKindFlags::Aligned)) {
366 AFK |= llvm::AllocFnKind::Aligned;
372 extern "C" LLVMAttributeRef LLVMRustCreateAllocKindAttr(LLVMContextRef C, uint64_t AllocKindArg) {
373 #if LLVM_VERSION_GE(15, 0)
374 return wrap(Attribute::get(*unwrap(C), Attribute::AllocKind,
375 static_cast<uint64_t>(allocKindFromRust(static_cast<LLVMRustAllocKindFlags>(AllocKindArg)))));
378 "allockind attributes are new in LLVM 15 and should not be used on older LLVMs");
382 // Enable a fast-math flag
384 // https://llvm.org/docs/LangRef.html#fast-math-flags
385 extern "C" void LLVMRustSetFastMath(LLVMValueRef V) {
386 if (auto I = dyn_cast<Instruction>(unwrap<Value>(V))) {
391 extern "C" LLVMValueRef
392 LLVMRustBuildAtomicLoad(LLVMBuilderRef B, LLVMTypeRef Ty, LLVMValueRef Source,
393 const char *Name, LLVMAtomicOrdering Order) {
394 Value *Ptr = unwrap(Source);
395 LoadInst *LI = unwrap(B)->CreateLoad(unwrap(Ty), Ptr, Name);
396 LI->setAtomic(fromRust(Order));
400 extern "C" LLVMValueRef LLVMRustBuildAtomicStore(LLVMBuilderRef B,
403 LLVMAtomicOrdering Order) {
404 StoreInst *SI = unwrap(B)->CreateStore(unwrap(V), unwrap(Target));
405 SI->setAtomic(fromRust(Order));
409 enum class LLVMRustAsmDialect {
414 static InlineAsm::AsmDialect fromRust(LLVMRustAsmDialect Dialect) {
416 case LLVMRustAsmDialect::Att:
417 return InlineAsm::AD_ATT;
418 case LLVMRustAsmDialect::Intel:
419 return InlineAsm::AD_Intel;
421 report_fatal_error("bad AsmDialect.");
425 extern "C" LLVMValueRef
426 LLVMRustInlineAsm(LLVMTypeRef Ty, char *AsmString, size_t AsmStringLen,
427 char *Constraints, size_t ConstraintsLen,
428 LLVMBool HasSideEffects, LLVMBool IsAlignStack,
429 LLVMRustAsmDialect Dialect, LLVMBool CanThrow) {
430 return wrap(InlineAsm::get(unwrap<FunctionType>(Ty),
431 StringRef(AsmString, AsmStringLen),
432 StringRef(Constraints, ConstraintsLen),
433 HasSideEffects, IsAlignStack,
434 fromRust(Dialect), CanThrow));
437 extern "C" bool LLVMRustInlineAsmVerify(LLVMTypeRef Ty, char *Constraints,
438 size_t ConstraintsLen) {
439 #if LLVM_VERSION_LT(15, 0)
440 return InlineAsm::Verify(unwrap<FunctionType>(Ty),
441 StringRef(Constraints, ConstraintsLen));
443 // llvm::Error converts to true if it is an error.
444 return !llvm::errorToBool(InlineAsm::verify(
445 unwrap<FunctionType>(Ty), StringRef(Constraints, ConstraintsLen)));
449 extern "C" void LLVMRustAppendModuleInlineAsm(LLVMModuleRef M, const char *Asm,
451 unwrap(M)->appendModuleInlineAsm(StringRef(Asm, AsmLen));
454 typedef DIBuilder *LLVMRustDIBuilderRef;
456 template <typename DIT> DIT *unwrapDIPtr(LLVMMetadataRef Ref) {
457 return (DIT *)(Ref ? unwrap<MDNode>(Ref) : nullptr);
460 #define DIDescriptor DIScope
461 #define DIArray DINodeArray
462 #define unwrapDI unwrapDIPtr
464 // These values **must** match debuginfo::DIFlags! They also *happen*
465 // to match LLVM, but that isn't required as we do giant sets of
466 // matching below. The value shouldn't be directly passed to LLVM.
467 enum class LLVMRustDIFlags : uint32_t {
472 FlagFwdDecl = (1 << 2),
473 FlagAppleBlock = (1 << 3),
474 FlagBlockByrefStruct = (1 << 4),
475 FlagVirtual = (1 << 5),
476 FlagArtificial = (1 << 6),
477 FlagExplicit = (1 << 7),
478 FlagPrototyped = (1 << 8),
479 FlagObjcClassComplete = (1 << 9),
480 FlagObjectPointer = (1 << 10),
481 FlagVector = (1 << 11),
482 FlagStaticMember = (1 << 12),
483 FlagLValueReference = (1 << 13),
484 FlagRValueReference = (1 << 14),
485 FlagExternalTypeRef = (1 << 15),
486 FlagIntroducedVirtual = (1 << 18),
487 FlagBitField = (1 << 19),
488 FlagNoReturn = (1 << 20),
489 // Do not add values that are not supported by the minimum LLVM
490 // version we support! see llvm/include/llvm/IR/DebugInfoFlags.def
493 inline LLVMRustDIFlags operator&(LLVMRustDIFlags A, LLVMRustDIFlags B) {
494 return static_cast<LLVMRustDIFlags>(static_cast<uint32_t>(A) &
495 static_cast<uint32_t>(B));
498 inline LLVMRustDIFlags operator|(LLVMRustDIFlags A, LLVMRustDIFlags B) {
499 return static_cast<LLVMRustDIFlags>(static_cast<uint32_t>(A) |
500 static_cast<uint32_t>(B));
503 inline LLVMRustDIFlags &operator|=(LLVMRustDIFlags &A, LLVMRustDIFlags B) {
507 inline bool isSet(LLVMRustDIFlags F) { return F != LLVMRustDIFlags::FlagZero; }
509 inline LLVMRustDIFlags visibility(LLVMRustDIFlags F) {
510 return static_cast<LLVMRustDIFlags>(static_cast<uint32_t>(F) & 0x3);
513 static DINode::DIFlags fromRust(LLVMRustDIFlags Flags) {
514 DINode::DIFlags Result = DINode::DIFlags::FlagZero;
516 switch (visibility(Flags)) {
517 case LLVMRustDIFlags::FlagPrivate:
518 Result |= DINode::DIFlags::FlagPrivate;
520 case LLVMRustDIFlags::FlagProtected:
521 Result |= DINode::DIFlags::FlagProtected;
523 case LLVMRustDIFlags::FlagPublic:
524 Result |= DINode::DIFlags::FlagPublic;
527 // The rest are handled below
531 if (isSet(Flags & LLVMRustDIFlags::FlagFwdDecl)) {
532 Result |= DINode::DIFlags::FlagFwdDecl;
534 if (isSet(Flags & LLVMRustDIFlags::FlagAppleBlock)) {
535 Result |= DINode::DIFlags::FlagAppleBlock;
537 if (isSet(Flags & LLVMRustDIFlags::FlagVirtual)) {
538 Result |= DINode::DIFlags::FlagVirtual;
540 if (isSet(Flags & LLVMRustDIFlags::FlagArtificial)) {
541 Result |= DINode::DIFlags::FlagArtificial;
543 if (isSet(Flags & LLVMRustDIFlags::FlagExplicit)) {
544 Result |= DINode::DIFlags::FlagExplicit;
546 if (isSet(Flags & LLVMRustDIFlags::FlagPrototyped)) {
547 Result |= DINode::DIFlags::FlagPrototyped;
549 if (isSet(Flags & LLVMRustDIFlags::FlagObjcClassComplete)) {
550 Result |= DINode::DIFlags::FlagObjcClassComplete;
552 if (isSet(Flags & LLVMRustDIFlags::FlagObjectPointer)) {
553 Result |= DINode::DIFlags::FlagObjectPointer;
555 if (isSet(Flags & LLVMRustDIFlags::FlagVector)) {
556 Result |= DINode::DIFlags::FlagVector;
558 if (isSet(Flags & LLVMRustDIFlags::FlagStaticMember)) {
559 Result |= DINode::DIFlags::FlagStaticMember;
561 if (isSet(Flags & LLVMRustDIFlags::FlagLValueReference)) {
562 Result |= DINode::DIFlags::FlagLValueReference;
564 if (isSet(Flags & LLVMRustDIFlags::FlagRValueReference)) {
565 Result |= DINode::DIFlags::FlagRValueReference;
567 if (isSet(Flags & LLVMRustDIFlags::FlagIntroducedVirtual)) {
568 Result |= DINode::DIFlags::FlagIntroducedVirtual;
570 if (isSet(Flags & LLVMRustDIFlags::FlagBitField)) {
571 Result |= DINode::DIFlags::FlagBitField;
573 if (isSet(Flags & LLVMRustDIFlags::FlagNoReturn)) {
574 Result |= DINode::DIFlags::FlagNoReturn;
580 // These values **must** match debuginfo::DISPFlags! They also *happen*
581 // to match LLVM, but that isn't required as we do giant sets of
582 // matching below. The value shouldn't be directly passed to LLVM.
583 enum class LLVMRustDISPFlags : uint32_t {
586 SPFlagPureVirtual = 2,
587 SPFlagLocalToUnit = (1 << 2),
588 SPFlagDefinition = (1 << 3),
589 SPFlagOptimized = (1 << 4),
590 SPFlagMainSubprogram = (1 << 5),
591 // Do not add values that are not supported by the minimum LLVM
592 // version we support! see llvm/include/llvm/IR/DebugInfoFlags.def
593 // (In LLVM < 8, createFunction supported these as separate bool arguments.)
596 inline LLVMRustDISPFlags operator&(LLVMRustDISPFlags A, LLVMRustDISPFlags B) {
597 return static_cast<LLVMRustDISPFlags>(static_cast<uint32_t>(A) &
598 static_cast<uint32_t>(B));
601 inline LLVMRustDISPFlags operator|(LLVMRustDISPFlags A, LLVMRustDISPFlags B) {
602 return static_cast<LLVMRustDISPFlags>(static_cast<uint32_t>(A) |
603 static_cast<uint32_t>(B));
606 inline LLVMRustDISPFlags &operator|=(LLVMRustDISPFlags &A, LLVMRustDISPFlags B) {
610 inline bool isSet(LLVMRustDISPFlags F) { return F != LLVMRustDISPFlags::SPFlagZero; }
612 inline LLVMRustDISPFlags virtuality(LLVMRustDISPFlags F) {
613 return static_cast<LLVMRustDISPFlags>(static_cast<uint32_t>(F) & 0x3);
616 static DISubprogram::DISPFlags fromRust(LLVMRustDISPFlags SPFlags) {
617 DISubprogram::DISPFlags Result = DISubprogram::DISPFlags::SPFlagZero;
619 switch (virtuality(SPFlags)) {
620 case LLVMRustDISPFlags::SPFlagVirtual:
621 Result |= DISubprogram::DISPFlags::SPFlagVirtual;
623 case LLVMRustDISPFlags::SPFlagPureVirtual:
624 Result |= DISubprogram::DISPFlags::SPFlagPureVirtual;
627 // The rest are handled below
631 if (isSet(SPFlags & LLVMRustDISPFlags::SPFlagLocalToUnit)) {
632 Result |= DISubprogram::DISPFlags::SPFlagLocalToUnit;
634 if (isSet(SPFlags & LLVMRustDISPFlags::SPFlagDefinition)) {
635 Result |= DISubprogram::DISPFlags::SPFlagDefinition;
637 if (isSet(SPFlags & LLVMRustDISPFlags::SPFlagOptimized)) {
638 Result |= DISubprogram::DISPFlags::SPFlagOptimized;
640 if (isSet(SPFlags & LLVMRustDISPFlags::SPFlagMainSubprogram)) {
641 Result |= DISubprogram::DISPFlags::SPFlagMainSubprogram;
647 enum class LLVMRustDebugEmissionKind {
653 static DICompileUnit::DebugEmissionKind fromRust(LLVMRustDebugEmissionKind Kind) {
655 case LLVMRustDebugEmissionKind::NoDebug:
656 return DICompileUnit::DebugEmissionKind::NoDebug;
657 case LLVMRustDebugEmissionKind::FullDebug:
658 return DICompileUnit::DebugEmissionKind::FullDebug;
659 case LLVMRustDebugEmissionKind::LineTablesOnly:
660 return DICompileUnit::DebugEmissionKind::LineTablesOnly;
662 report_fatal_error("bad DebugEmissionKind.");
666 enum class LLVMRustChecksumKind {
673 static Optional<DIFile::ChecksumKind> fromRust(LLVMRustChecksumKind Kind) {
675 case LLVMRustChecksumKind::None:
677 case LLVMRustChecksumKind::MD5:
678 return DIFile::ChecksumKind::CSK_MD5;
679 case LLVMRustChecksumKind::SHA1:
680 return DIFile::ChecksumKind::CSK_SHA1;
681 case LLVMRustChecksumKind::SHA256:
682 return DIFile::ChecksumKind::CSK_SHA256;
684 report_fatal_error("bad ChecksumKind.");
688 extern "C" uint32_t LLVMRustDebugMetadataVersion() {
689 return DEBUG_METADATA_VERSION;
692 extern "C" uint32_t LLVMRustVersionPatch() { return LLVM_VERSION_PATCH; }
694 extern "C" uint32_t LLVMRustVersionMinor() { return LLVM_VERSION_MINOR; }
696 extern "C" uint32_t LLVMRustVersionMajor() { return LLVM_VERSION_MAJOR; }
698 extern "C" void LLVMRustAddModuleFlag(
700 Module::ModFlagBehavior MergeBehavior,
703 unwrap(M)->addModuleFlag(MergeBehavior, Name, Value);
706 extern "C" bool LLVMRustHasModuleFlag(LLVMModuleRef M, const char *Name,
708 return unwrap(M)->getModuleFlag(StringRef(Name, Len)) != nullptr;
711 extern "C" LLVMValueRef LLVMRustMetadataAsValue(LLVMContextRef C, LLVMMetadataRef MD) {
712 return wrap(MetadataAsValue::get(*unwrap(C), unwrap(MD)));
715 extern "C" void LLVMRustGlobalAddMetadata(
716 LLVMValueRef Global, unsigned Kind, LLVMMetadataRef MD) {
717 unwrap<GlobalObject>(Global)->addMetadata(Kind, *unwrap<MDNode>(MD));
720 extern "C" LLVMRustDIBuilderRef LLVMRustDIBuilderCreate(LLVMModuleRef M) {
721 return new DIBuilder(*unwrap(M));
724 extern "C" void LLVMRustDIBuilderDispose(LLVMRustDIBuilderRef Builder) {
728 extern "C" void LLVMRustDIBuilderFinalize(LLVMRustDIBuilderRef Builder) {
732 extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateCompileUnit(
733 LLVMRustDIBuilderRef Builder, unsigned Lang, LLVMMetadataRef FileRef,
734 const char *Producer, size_t ProducerLen, bool isOptimized,
735 const char *Flags, unsigned RuntimeVer,
736 const char *SplitName, size_t SplitNameLen,
737 LLVMRustDebugEmissionKind Kind,
738 uint64_t DWOId, bool SplitDebugInlining) {
739 auto *File = unwrapDI<DIFile>(FileRef);
741 return wrap(Builder->createCompileUnit(Lang, File, StringRef(Producer, ProducerLen),
742 isOptimized, Flags, RuntimeVer,
743 StringRef(SplitName, SplitNameLen),
744 fromRust(Kind), DWOId, SplitDebugInlining));
747 extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateFile(
748 LLVMRustDIBuilderRef Builder,
749 const char *Filename, size_t FilenameLen,
750 const char *Directory, size_t DirectoryLen, LLVMRustChecksumKind CSKind,
751 const char *Checksum, size_t ChecksumLen) {
752 Optional<DIFile::ChecksumKind> llvmCSKind = fromRust(CSKind);
753 Optional<DIFile::ChecksumInfo<StringRef>> CSInfo{};
755 CSInfo.emplace(*llvmCSKind, StringRef{Checksum, ChecksumLen});
756 return wrap(Builder->createFile(StringRef(Filename, FilenameLen),
757 StringRef(Directory, DirectoryLen),
761 extern "C" LLVMMetadataRef
762 LLVMRustDIBuilderCreateSubroutineType(LLVMRustDIBuilderRef Builder,
763 LLVMMetadataRef ParameterTypes) {
764 return wrap(Builder->createSubroutineType(
765 DITypeRefArray(unwrap<MDTuple>(ParameterTypes))));
768 extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateFunction(
769 LLVMRustDIBuilderRef Builder, LLVMMetadataRef Scope,
770 const char *Name, size_t NameLen,
771 const char *LinkageName, size_t LinkageNameLen,
772 LLVMMetadataRef File, unsigned LineNo,
773 LLVMMetadataRef Ty, unsigned ScopeLine, LLVMRustDIFlags Flags,
774 LLVMRustDISPFlags SPFlags, LLVMValueRef MaybeFn, LLVMMetadataRef TParam,
775 LLVMMetadataRef Decl) {
776 DITemplateParameterArray TParams =
777 DITemplateParameterArray(unwrap<MDTuple>(TParam));
778 DISubprogram::DISPFlags llvmSPFlags = fromRust(SPFlags);
779 DINode::DIFlags llvmFlags = fromRust(Flags);
780 DISubprogram *Sub = Builder->createFunction(
781 unwrapDI<DIScope>(Scope),
782 StringRef(Name, NameLen),
783 StringRef(LinkageName, LinkageNameLen),
784 unwrapDI<DIFile>(File), LineNo,
785 unwrapDI<DISubroutineType>(Ty), ScopeLine, llvmFlags,
786 llvmSPFlags, TParams, unwrapDIPtr<DISubprogram>(Decl));
788 unwrap<Function>(MaybeFn)->setSubprogram(Sub);
792 extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateBasicType(
793 LLVMRustDIBuilderRef Builder, const char *Name, size_t NameLen,
794 uint64_t SizeInBits, unsigned Encoding) {
795 return wrap(Builder->createBasicType(StringRef(Name, NameLen), SizeInBits, Encoding));
798 extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateTypedef(
799 LLVMRustDIBuilderRef Builder, LLVMMetadataRef Type, const char *Name, size_t NameLen,
800 LLVMMetadataRef File, unsigned LineNo, LLVMMetadataRef Scope) {
801 return wrap(Builder->createTypedef(
802 unwrap<DIType>(Type), StringRef(Name, NameLen), unwrap<DIFile>(File),
803 LineNo, unwrapDIPtr<DIScope>(Scope)));
806 extern "C" LLVMMetadataRef LLVMRustDIBuilderCreatePointerType(
807 LLVMRustDIBuilderRef Builder, LLVMMetadataRef PointeeTy,
808 uint64_t SizeInBits, uint32_t AlignInBits, unsigned AddressSpace,
809 const char *Name, size_t NameLen) {
810 return wrap(Builder->createPointerType(unwrapDI<DIType>(PointeeTy),
811 SizeInBits, AlignInBits,
813 StringRef(Name, NameLen)));
816 extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateStructType(
817 LLVMRustDIBuilderRef Builder, LLVMMetadataRef Scope,
818 const char *Name, size_t NameLen,
819 LLVMMetadataRef File, unsigned LineNumber, uint64_t SizeInBits,
820 uint32_t AlignInBits, LLVMRustDIFlags Flags,
821 LLVMMetadataRef DerivedFrom, LLVMMetadataRef Elements,
822 unsigned RunTimeLang, LLVMMetadataRef VTableHolder,
823 const char *UniqueId, size_t UniqueIdLen) {
824 return wrap(Builder->createStructType(
825 unwrapDI<DIDescriptor>(Scope), StringRef(Name, NameLen),
826 unwrapDI<DIFile>(File), LineNumber,
827 SizeInBits, AlignInBits, fromRust(Flags), unwrapDI<DIType>(DerivedFrom),
828 DINodeArray(unwrapDI<MDTuple>(Elements)), RunTimeLang,
829 unwrapDI<DIType>(VTableHolder), StringRef(UniqueId, UniqueIdLen)));
832 extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateVariantPart(
833 LLVMRustDIBuilderRef Builder, LLVMMetadataRef Scope,
834 const char *Name, size_t NameLen,
835 LLVMMetadataRef File, unsigned LineNumber, uint64_t SizeInBits,
836 uint32_t AlignInBits, LLVMRustDIFlags Flags, LLVMMetadataRef Discriminator,
837 LLVMMetadataRef Elements, const char *UniqueId, size_t UniqueIdLen) {
838 return wrap(Builder->createVariantPart(
839 unwrapDI<DIDescriptor>(Scope), StringRef(Name, NameLen),
840 unwrapDI<DIFile>(File), LineNumber,
841 SizeInBits, AlignInBits, fromRust(Flags), unwrapDI<DIDerivedType>(Discriminator),
842 DINodeArray(unwrapDI<MDTuple>(Elements)), StringRef(UniqueId, UniqueIdLen)));
845 extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateMemberType(
846 LLVMRustDIBuilderRef Builder, LLVMMetadataRef Scope,
847 const char *Name, size_t NameLen,
848 LLVMMetadataRef File, unsigned LineNo, uint64_t SizeInBits,
849 uint32_t AlignInBits, uint64_t OffsetInBits, LLVMRustDIFlags Flags,
850 LLVMMetadataRef Ty) {
851 return wrap(Builder->createMemberType(unwrapDI<DIDescriptor>(Scope),
852 StringRef(Name, NameLen),
853 unwrapDI<DIFile>(File), LineNo,
854 SizeInBits, AlignInBits, OffsetInBits,
855 fromRust(Flags), unwrapDI<DIType>(Ty)));
858 extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateVariantMemberType(
859 LLVMRustDIBuilderRef Builder, LLVMMetadataRef Scope,
860 const char *Name, size_t NameLen, LLVMMetadataRef File, unsigned LineNo,
861 uint64_t SizeInBits, uint32_t AlignInBits, uint64_t OffsetInBits, LLVMValueRef Discriminant,
862 LLVMRustDIFlags Flags, LLVMMetadataRef Ty) {
863 llvm::ConstantInt* D = nullptr;
865 D = unwrap<llvm::ConstantInt>(Discriminant);
867 return wrap(Builder->createVariantMemberType(unwrapDI<DIDescriptor>(Scope),
868 StringRef(Name, NameLen),
869 unwrapDI<DIFile>(File), LineNo,
870 SizeInBits, AlignInBits, OffsetInBits, D,
871 fromRust(Flags), unwrapDI<DIType>(Ty)));
874 extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateStaticMemberType(
875 LLVMRustDIBuilderRef Builder,
876 LLVMMetadataRef Scope,
879 LLVMMetadataRef File,
882 LLVMRustDIFlags Flags,
886 return wrap(Builder->createStaticMemberType(
887 unwrapDI<DIDescriptor>(Scope),
888 StringRef(Name, NameLen),
889 unwrapDI<DIFile>(File),
891 unwrapDI<DIType>(Ty),
893 unwrap<llvm::ConstantInt>(val),
898 extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateLexicalBlock(
899 LLVMRustDIBuilderRef Builder, LLVMMetadataRef Scope,
900 LLVMMetadataRef File, unsigned Line, unsigned Col) {
901 return wrap(Builder->createLexicalBlock(unwrapDI<DIDescriptor>(Scope),
902 unwrapDI<DIFile>(File), Line, Col));
905 extern "C" LLVMMetadataRef
906 LLVMRustDIBuilderCreateLexicalBlockFile(LLVMRustDIBuilderRef Builder,
907 LLVMMetadataRef Scope,
908 LLVMMetadataRef File) {
909 return wrap(Builder->createLexicalBlockFile(unwrapDI<DIDescriptor>(Scope),
910 unwrapDI<DIFile>(File)));
913 extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateStaticVariable(
914 LLVMRustDIBuilderRef Builder, LLVMMetadataRef Context,
915 const char *Name, size_t NameLen,
916 const char *LinkageName, size_t LinkageNameLen,
917 LLVMMetadataRef File, unsigned LineNo,
918 LLVMMetadataRef Ty, bool IsLocalToUnit, LLVMValueRef V,
919 LLVMMetadataRef Decl = nullptr, uint32_t AlignInBits = 0) {
920 llvm::GlobalVariable *InitVal = cast<llvm::GlobalVariable>(unwrap(V));
922 llvm::DIExpression *InitExpr = nullptr;
923 if (llvm::ConstantInt *IntVal = llvm::dyn_cast<llvm::ConstantInt>(InitVal)) {
924 InitExpr = Builder->createConstantValueExpression(
925 IntVal->getValue().getSExtValue());
926 } else if (llvm::ConstantFP *FPVal =
927 llvm::dyn_cast<llvm::ConstantFP>(InitVal)) {
928 InitExpr = Builder->createConstantValueExpression(
929 FPVal->getValueAPF().bitcastToAPInt().getZExtValue());
932 llvm::DIGlobalVariableExpression *VarExpr = Builder->createGlobalVariableExpression(
933 unwrapDI<DIDescriptor>(Context), StringRef(Name, NameLen),
934 StringRef(LinkageName, LinkageNameLen),
935 unwrapDI<DIFile>(File), LineNo, unwrapDI<DIType>(Ty), IsLocalToUnit,
936 /* isDefined */ true,
937 InitExpr, unwrapDIPtr<MDNode>(Decl),
938 /* templateParams */ nullptr,
941 InitVal->setMetadata("dbg", VarExpr);
943 return wrap(VarExpr);
946 extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateVariable(
947 LLVMRustDIBuilderRef Builder, unsigned Tag, LLVMMetadataRef Scope,
948 const char *Name, size_t NameLen,
949 LLVMMetadataRef File, unsigned LineNo,
950 LLVMMetadataRef Ty, bool AlwaysPreserve, LLVMRustDIFlags Flags,
951 unsigned ArgNo, uint32_t AlignInBits) {
952 if (Tag == 0x100) { // DW_TAG_auto_variable
953 return wrap(Builder->createAutoVariable(
954 unwrapDI<DIDescriptor>(Scope), StringRef(Name, NameLen),
955 unwrapDI<DIFile>(File), LineNo,
956 unwrapDI<DIType>(Ty), AlwaysPreserve, fromRust(Flags), AlignInBits));
958 return wrap(Builder->createParameterVariable(
959 unwrapDI<DIDescriptor>(Scope), StringRef(Name, NameLen), ArgNo,
960 unwrapDI<DIFile>(File), LineNo,
961 unwrapDI<DIType>(Ty), AlwaysPreserve, fromRust(Flags)));
965 extern "C" LLVMMetadataRef
966 LLVMRustDIBuilderCreateArrayType(LLVMRustDIBuilderRef Builder, uint64_t Size,
967 uint32_t AlignInBits, LLVMMetadataRef Ty,
968 LLVMMetadataRef Subscripts) {
970 Builder->createArrayType(Size, AlignInBits, unwrapDI<DIType>(Ty),
971 DINodeArray(unwrapDI<MDTuple>(Subscripts))));
974 extern "C" LLVMMetadataRef
975 LLVMRustDIBuilderGetOrCreateSubrange(LLVMRustDIBuilderRef Builder, int64_t Lo,
977 return wrap(Builder->getOrCreateSubrange(Lo, Count));
980 extern "C" LLVMMetadataRef
981 LLVMRustDIBuilderGetOrCreateArray(LLVMRustDIBuilderRef Builder,
982 LLVMMetadataRef *Ptr, unsigned Count) {
983 Metadata **DataValue = unwrap(Ptr);
985 Builder->getOrCreateArray(ArrayRef<Metadata *>(DataValue, Count)).get());
988 extern "C" LLVMValueRef LLVMRustDIBuilderInsertDeclareAtEnd(
989 LLVMRustDIBuilderRef Builder, LLVMValueRef V, LLVMMetadataRef VarInfo,
990 uint64_t *AddrOps, unsigned AddrOpsCount, LLVMMetadataRef DL,
991 LLVMBasicBlockRef InsertAtEnd) {
992 return wrap(Builder->insertDeclare(
993 unwrap(V), unwrap<DILocalVariable>(VarInfo),
994 Builder->createExpression(llvm::ArrayRef<uint64_t>(AddrOps, AddrOpsCount)),
995 DebugLoc(cast<MDNode>(unwrap(DL))),
996 unwrap(InsertAtEnd)));
999 extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateEnumerator(
1000 LLVMRustDIBuilderRef Builder, const char *Name, size_t NameLen,
1001 int64_t Value, bool IsUnsigned) {
1002 return wrap(Builder->createEnumerator(StringRef(Name, NameLen), Value, IsUnsigned));
1005 extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateEnumerationType(
1006 LLVMRustDIBuilderRef Builder, LLVMMetadataRef Scope,
1007 const char *Name, size_t NameLen,
1008 LLVMMetadataRef File, unsigned LineNumber, uint64_t SizeInBits,
1009 uint32_t AlignInBits, LLVMMetadataRef Elements,
1010 LLVMMetadataRef ClassTy, bool IsScoped) {
1011 return wrap(Builder->createEnumerationType(
1012 unwrapDI<DIDescriptor>(Scope), StringRef(Name, NameLen),
1013 unwrapDI<DIFile>(File), LineNumber,
1014 SizeInBits, AlignInBits, DINodeArray(unwrapDI<MDTuple>(Elements)),
1015 unwrapDI<DIType>(ClassTy), "", IsScoped));
1018 extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateUnionType(
1019 LLVMRustDIBuilderRef Builder, LLVMMetadataRef Scope,
1020 const char *Name, size_t NameLen,
1021 LLVMMetadataRef File, unsigned LineNumber, uint64_t SizeInBits,
1022 uint32_t AlignInBits, LLVMRustDIFlags Flags, LLVMMetadataRef Elements,
1023 unsigned RunTimeLang, const char *UniqueId, size_t UniqueIdLen) {
1024 return wrap(Builder->createUnionType(
1025 unwrapDI<DIDescriptor>(Scope), StringRef(Name, NameLen), unwrapDI<DIFile>(File),
1026 LineNumber, SizeInBits, AlignInBits, fromRust(Flags),
1027 DINodeArray(unwrapDI<MDTuple>(Elements)), RunTimeLang,
1028 StringRef(UniqueId, UniqueIdLen)));
1031 extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateTemplateTypeParameter(
1032 LLVMRustDIBuilderRef Builder, LLVMMetadataRef Scope,
1033 const char *Name, size_t NameLen, LLVMMetadataRef Ty) {
1034 bool IsDefault = false; // FIXME: should we ever set this true?
1035 return wrap(Builder->createTemplateTypeParameter(
1036 unwrapDI<DIDescriptor>(Scope), StringRef(Name, NameLen), unwrapDI<DIType>(Ty), IsDefault));
1039 extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateNameSpace(
1040 LLVMRustDIBuilderRef Builder, LLVMMetadataRef Scope,
1041 const char *Name, size_t NameLen, bool ExportSymbols) {
1042 return wrap(Builder->createNameSpace(
1043 unwrapDI<DIDescriptor>(Scope), StringRef(Name, NameLen), ExportSymbols
1048 LLVMRustDICompositeTypeReplaceArrays(LLVMRustDIBuilderRef Builder,
1049 LLVMMetadataRef CompositeTy,
1050 LLVMMetadataRef Elements,
1051 LLVMMetadataRef Params) {
1052 DICompositeType *Tmp = unwrapDI<DICompositeType>(CompositeTy);
1053 Builder->replaceArrays(Tmp, DINodeArray(unwrap<MDTuple>(Elements)),
1054 DINodeArray(unwrap<MDTuple>(Params)));
1057 extern "C" LLVMMetadataRef
1058 LLVMRustDIBuilderCreateDebugLocation(unsigned Line, unsigned Column,
1059 LLVMMetadataRef ScopeRef,
1060 LLVMMetadataRef InlinedAt) {
1061 MDNode *Scope = unwrapDIPtr<MDNode>(ScopeRef);
1062 DILocation *Loc = DILocation::get(
1063 Scope->getContext(), Line, Column, Scope,
1064 unwrapDIPtr<MDNode>(InlinedAt));
1068 extern "C" uint64_t LLVMRustDIBuilderCreateOpDeref() {
1069 return dwarf::DW_OP_deref;
1072 extern "C" uint64_t LLVMRustDIBuilderCreateOpPlusUconst() {
1073 return dwarf::DW_OP_plus_uconst;
1076 extern "C" void LLVMRustWriteTypeToString(LLVMTypeRef Ty, RustStringRef Str) {
1077 RawRustStringOstream OS(Str);
1078 unwrap<llvm::Type>(Ty)->print(OS);
1081 extern "C" void LLVMRustWriteValueToString(LLVMValueRef V,
1082 RustStringRef Str) {
1083 RawRustStringOstream OS(Str);
1088 unwrap<llvm::Value>(V)->getType()->print(OS);
1090 unwrap<llvm::Value>(V)->print(OS);
1095 // LLVMArrayType function does not support 64-bit ElementCount
1096 extern "C" LLVMTypeRef LLVMRustArrayType(LLVMTypeRef ElementTy,
1097 uint64_t ElementCount) {
1098 return wrap(ArrayType::get(unwrap(ElementTy), ElementCount));
1101 DEFINE_SIMPLE_CONVERSION_FUNCTIONS(Twine, LLVMTwineRef)
1103 extern "C" void LLVMRustWriteTwineToString(LLVMTwineRef T, RustStringRef Str) {
1104 RawRustStringOstream OS(Str);
1105 unwrap(T)->print(OS);
1108 extern "C" void LLVMRustUnpackOptimizationDiagnostic(
1109 LLVMDiagnosticInfoRef DI, RustStringRef PassNameOut,
1110 LLVMValueRef *FunctionOut, unsigned* Line, unsigned* Column,
1111 RustStringRef FilenameOut, RustStringRef MessageOut) {
1112 // Undefined to call this not on an optimization diagnostic!
1113 llvm::DiagnosticInfoOptimizationBase *Opt =
1114 static_cast<llvm::DiagnosticInfoOptimizationBase *>(unwrap(DI));
1116 RawRustStringOstream PassNameOS(PassNameOut);
1117 PassNameOS << Opt->getPassName();
1118 *FunctionOut = wrap(&Opt->getFunction());
1120 RawRustStringOstream FilenameOS(FilenameOut);
1121 DiagnosticLocation loc = Opt->getLocation();
1122 if (loc.isValid()) {
1123 *Line = loc.getLine();
1124 *Column = loc.getColumn();
1125 FilenameOS << loc.getAbsolutePath();
1128 RawRustStringOstream MessageOS(MessageOut);
1129 MessageOS << Opt->getMsg();
1132 enum class LLVMRustDiagnosticLevel {
1140 LLVMRustUnpackInlineAsmDiagnostic(LLVMDiagnosticInfoRef DI,
1141 LLVMRustDiagnosticLevel *LevelOut,
1142 unsigned *CookieOut,
1143 LLVMTwineRef *MessageOut) {
1144 // Undefined to call this not on an inline assembly diagnostic!
1145 llvm::DiagnosticInfoInlineAsm *IA =
1146 static_cast<llvm::DiagnosticInfoInlineAsm *>(unwrap(DI));
1148 *CookieOut = IA->getLocCookie();
1149 *MessageOut = wrap(&IA->getMsgStr());
1151 switch (IA->getSeverity()) {
1153 *LevelOut = LLVMRustDiagnosticLevel::Error;
1156 *LevelOut = LLVMRustDiagnosticLevel::Warning;
1159 *LevelOut = LLVMRustDiagnosticLevel::Note;
1162 *LevelOut = LLVMRustDiagnosticLevel::Remark;
1165 report_fatal_error("Invalid LLVMRustDiagnosticLevel value!");
1169 extern "C" void LLVMRustWriteDiagnosticInfoToString(LLVMDiagnosticInfoRef DI,
1170 RustStringRef Str) {
1171 RawRustStringOstream OS(Str);
1172 DiagnosticPrinterRawOStream DP(OS);
1173 unwrap(DI)->print(DP);
1176 enum class LLVMRustDiagnosticKind {
1180 DebugMetadataVersion,
1183 OptimizationRemarkMissed,
1184 OptimizationRemarkAnalysis,
1185 OptimizationRemarkAnalysisFPCommute,
1186 OptimizationRemarkAnalysisAliasing,
1187 OptimizationRemarkOther,
1188 OptimizationFailure,
1195 static LLVMRustDiagnosticKind toRust(DiagnosticKind Kind) {
1198 return LLVMRustDiagnosticKind::InlineAsm;
1200 return LLVMRustDiagnosticKind::StackSize;
1201 case DK_DebugMetadataVersion:
1202 return LLVMRustDiagnosticKind::DebugMetadataVersion;
1203 case DK_SampleProfile:
1204 return LLVMRustDiagnosticKind::SampleProfile;
1205 case DK_OptimizationRemark:
1206 case DK_MachineOptimizationRemark:
1207 return LLVMRustDiagnosticKind::OptimizationRemark;
1208 case DK_OptimizationRemarkMissed:
1209 case DK_MachineOptimizationRemarkMissed:
1210 return LLVMRustDiagnosticKind::OptimizationRemarkMissed;
1211 case DK_OptimizationRemarkAnalysis:
1212 case DK_MachineOptimizationRemarkAnalysis:
1213 return LLVMRustDiagnosticKind::OptimizationRemarkAnalysis;
1214 case DK_OptimizationRemarkAnalysisFPCommute:
1215 return LLVMRustDiagnosticKind::OptimizationRemarkAnalysisFPCommute;
1216 case DK_OptimizationRemarkAnalysisAliasing:
1217 return LLVMRustDiagnosticKind::OptimizationRemarkAnalysisAliasing;
1219 return LLVMRustDiagnosticKind::PGOProfile;
1221 return LLVMRustDiagnosticKind::Linker;
1222 case DK_Unsupported:
1223 return LLVMRustDiagnosticKind::Unsupported;
1225 return LLVMRustDiagnosticKind::SrcMgr;
1227 return (Kind >= DK_FirstRemark && Kind <= DK_LastRemark)
1228 ? LLVMRustDiagnosticKind::OptimizationRemarkOther
1229 : LLVMRustDiagnosticKind::Other;
1233 extern "C" LLVMRustDiagnosticKind
1234 LLVMRustGetDiagInfoKind(LLVMDiagnosticInfoRef DI) {
1235 return toRust((DiagnosticKind)unwrap(DI)->getKind());
1238 // This is kept distinct from LLVMGetTypeKind, because when
1239 // a new type kind is added, the Rust-side enum must be
1240 // updated or UB will result.
1241 extern "C" LLVMTypeKind LLVMRustGetTypeKind(LLVMTypeRef Ty) {
1242 switch (unwrap(Ty)->getTypeID()) {
1243 case Type::VoidTyID:
1244 return LLVMVoidTypeKind;
1245 case Type::HalfTyID:
1246 return LLVMHalfTypeKind;
1247 case Type::FloatTyID:
1248 return LLVMFloatTypeKind;
1249 case Type::DoubleTyID:
1250 return LLVMDoubleTypeKind;
1251 case Type::X86_FP80TyID:
1252 return LLVMX86_FP80TypeKind;
1253 case Type::FP128TyID:
1254 return LLVMFP128TypeKind;
1255 case Type::PPC_FP128TyID:
1256 return LLVMPPC_FP128TypeKind;
1257 case Type::LabelTyID:
1258 return LLVMLabelTypeKind;
1259 case Type::MetadataTyID:
1260 return LLVMMetadataTypeKind;
1261 case Type::IntegerTyID:
1262 return LLVMIntegerTypeKind;
1263 case Type::FunctionTyID:
1264 return LLVMFunctionTypeKind;
1265 case Type::StructTyID:
1266 return LLVMStructTypeKind;
1267 case Type::ArrayTyID:
1268 return LLVMArrayTypeKind;
1269 case Type::PointerTyID:
1270 return LLVMPointerTypeKind;
1271 case Type::FixedVectorTyID:
1272 return LLVMVectorTypeKind;
1273 case Type::X86_MMXTyID:
1274 return LLVMX86_MMXTypeKind;
1275 case Type::TokenTyID:
1276 return LLVMTokenTypeKind;
1277 case Type::ScalableVectorTyID:
1278 return LLVMScalableVectorTypeKind;
1279 case Type::BFloatTyID:
1280 return LLVMBFloatTypeKind;
1281 case Type::X86_AMXTyID:
1282 return LLVMX86_AMXTypeKind;
1283 #if LLVM_VERSION_GE(15, 0) && LLVM_VERSION_LT(16, 0)
1284 case Type::DXILPointerTyID:
1285 report_fatal_error("Rust does not support DirectX typed pointers.");
1288 #if LLVM_VERSION_GE(16, 0)
1289 case Type::TypedPointerTyID:
1290 report_fatal_error("Rust does not support typed pointers.");
1294 report_fatal_error("Unhandled TypeID.");
1297 DEFINE_SIMPLE_CONVERSION_FUNCTIONS(SMDiagnostic, LLVMSMDiagnosticRef)
1299 extern "C" LLVMSMDiagnosticRef LLVMRustGetSMDiagnostic(
1300 LLVMDiagnosticInfoRef DI, unsigned *Cookie) {
1301 llvm::DiagnosticInfoSrcMgr *SM = static_cast<llvm::DiagnosticInfoSrcMgr *>(unwrap(DI));
1302 *Cookie = SM->getLocCookie();
1303 return wrap(&SM->getSMDiag());
1306 extern "C" bool LLVMRustUnpackSMDiagnostic(LLVMSMDiagnosticRef DRef,
1307 RustStringRef MessageOut,
1308 RustStringRef BufferOut,
1309 LLVMRustDiagnosticLevel* LevelOut,
1311 unsigned* RangesOut,
1312 size_t* NumRanges) {
1313 SMDiagnostic& D = *unwrap(DRef);
1314 RawRustStringOstream MessageOS(MessageOut);
1315 MessageOS << D.getMessage();
1317 switch (D.getKind()) {
1318 case SourceMgr::DK_Error:
1319 *LevelOut = LLVMRustDiagnosticLevel::Error;
1321 case SourceMgr::DK_Warning:
1322 *LevelOut = LLVMRustDiagnosticLevel::Warning;
1324 case SourceMgr::DK_Note:
1325 *LevelOut = LLVMRustDiagnosticLevel::Note;
1327 case SourceMgr::DK_Remark:
1328 *LevelOut = LLVMRustDiagnosticLevel::Remark;
1331 report_fatal_error("Invalid LLVMRustDiagnosticLevel value!");
1334 if (D.getLoc() == SMLoc())
1337 const SourceMgr &LSM = *D.getSourceMgr();
1338 const MemoryBuffer *LBuf = LSM.getMemoryBuffer(LSM.FindBufferContainingLoc(D.getLoc()));
1339 LLVMRustStringWriteImpl(BufferOut, LBuf->getBufferStart(), LBuf->getBufferSize());
1341 *LocOut = D.getLoc().getPointer() - LBuf->getBufferStart();
1343 *NumRanges = std::min(*NumRanges, D.getRanges().size());
1344 size_t LineStart = *LocOut - (size_t)D.getColumnNo();
1345 for (size_t i = 0; i < *NumRanges; i++) {
1346 RangesOut[i * 2] = LineStart + D.getRanges()[i].first;
1347 RangesOut[i * 2 + 1] = LineStart + D.getRanges()[i].second;
1353 extern "C" LLVMValueRef LLVMRustBuildCleanupPad(LLVMBuilderRef B,
1354 LLVMValueRef ParentPad,
1356 LLVMValueRef *LLArgs,
1358 Value **Args = unwrap(LLArgs);
1359 if (ParentPad == nullptr) {
1360 Type *Ty = Type::getTokenTy(unwrap(B)->getContext());
1361 ParentPad = wrap(Constant::getNullValue(Ty));
1363 return wrap(unwrap(B)->CreateCleanupPad(
1364 unwrap(ParentPad), ArrayRef<Value *>(Args, ArgCount), Name));
1367 extern "C" LLVMValueRef LLVMRustBuildCleanupRet(LLVMBuilderRef B,
1368 LLVMValueRef CleanupPad,
1369 LLVMBasicBlockRef UnwindBB) {
1370 CleanupPadInst *Inst = cast<CleanupPadInst>(unwrap(CleanupPad));
1371 return wrap(unwrap(B)->CreateCleanupRet(Inst, unwrap(UnwindBB)));
1374 extern "C" LLVMValueRef
1375 LLVMRustBuildCatchPad(LLVMBuilderRef B, LLVMValueRef ParentPad,
1376 unsigned ArgCount, LLVMValueRef *LLArgs, const char *Name) {
1377 Value **Args = unwrap(LLArgs);
1378 return wrap(unwrap(B)->CreateCatchPad(
1379 unwrap(ParentPad), ArrayRef<Value *>(Args, ArgCount), Name));
1382 extern "C" LLVMValueRef LLVMRustBuildCatchRet(LLVMBuilderRef B,
1384 LLVMBasicBlockRef BB) {
1385 return wrap(unwrap(B)->CreateCatchRet(cast<CatchPadInst>(unwrap(Pad)),
1389 extern "C" LLVMValueRef LLVMRustBuildCatchSwitch(LLVMBuilderRef B,
1390 LLVMValueRef ParentPad,
1391 LLVMBasicBlockRef BB,
1392 unsigned NumHandlers,
1394 if (ParentPad == nullptr) {
1395 Type *Ty = Type::getTokenTy(unwrap(B)->getContext());
1396 ParentPad = wrap(Constant::getNullValue(Ty));
1398 return wrap(unwrap(B)->CreateCatchSwitch(unwrap(ParentPad), unwrap(BB),
1399 NumHandlers, Name));
1402 extern "C" void LLVMRustAddHandler(LLVMValueRef CatchSwitchRef,
1403 LLVMBasicBlockRef Handler) {
1404 Value *CatchSwitch = unwrap(CatchSwitchRef);
1405 cast<CatchSwitchInst>(CatchSwitch)->addHandler(unwrap(Handler));
1408 extern "C" OperandBundleDef *LLVMRustBuildOperandBundleDef(const char *Name,
1409 LLVMValueRef *Inputs,
1410 unsigned NumInputs) {
1411 return new OperandBundleDef(Name, makeArrayRef(unwrap(Inputs), NumInputs));
1414 extern "C" void LLVMRustFreeOperandBundleDef(OperandBundleDef *Bundle) {
1418 extern "C" LLVMValueRef LLVMRustBuildCall(LLVMBuilderRef B, LLVMTypeRef Ty, LLVMValueRef Fn,
1419 LLVMValueRef *Args, unsigned NumArgs,
1420 OperandBundleDef *Bundle) {
1421 Value *Callee = unwrap(Fn);
1422 FunctionType *FTy = unwrap<FunctionType>(Ty);
1423 unsigned Len = Bundle ? 1 : 0;
1424 ArrayRef<OperandBundleDef> Bundles = makeArrayRef(Bundle, Len);
1425 return wrap(unwrap(B)->CreateCall(
1426 FTy, Callee, makeArrayRef(unwrap(Args), NumArgs), Bundles));
1429 extern "C" LLVMValueRef LLVMRustGetInstrProfIncrementIntrinsic(LLVMModuleRef M) {
1430 return wrap(llvm::Intrinsic::getDeclaration(unwrap(M),
1431 (llvm::Intrinsic::ID)llvm::Intrinsic::instrprof_increment));
1434 extern "C" LLVMValueRef LLVMRustBuildMemCpy(LLVMBuilderRef B,
1435 LLVMValueRef Dst, unsigned DstAlign,
1436 LLVMValueRef Src, unsigned SrcAlign,
1437 LLVMValueRef Size, bool IsVolatile) {
1438 return wrap(unwrap(B)->CreateMemCpy(
1439 unwrap(Dst), MaybeAlign(DstAlign),
1440 unwrap(Src), MaybeAlign(SrcAlign),
1441 unwrap(Size), IsVolatile));
1444 extern "C" LLVMValueRef LLVMRustBuildMemMove(LLVMBuilderRef B,
1445 LLVMValueRef Dst, unsigned DstAlign,
1446 LLVMValueRef Src, unsigned SrcAlign,
1447 LLVMValueRef Size, bool IsVolatile) {
1448 return wrap(unwrap(B)->CreateMemMove(
1449 unwrap(Dst), MaybeAlign(DstAlign),
1450 unwrap(Src), MaybeAlign(SrcAlign),
1451 unwrap(Size), IsVolatile));
1454 extern "C" LLVMValueRef LLVMRustBuildMemSet(LLVMBuilderRef B,
1455 LLVMValueRef Dst, unsigned DstAlign,
1457 LLVMValueRef Size, bool IsVolatile) {
1458 return wrap(unwrap(B)->CreateMemSet(
1459 unwrap(Dst), unwrap(Val), unwrap(Size), MaybeAlign(DstAlign), IsVolatile));
1462 extern "C" LLVMValueRef
1463 LLVMRustBuildInvoke(LLVMBuilderRef B, LLVMTypeRef Ty, LLVMValueRef Fn,
1464 LLVMValueRef *Args, unsigned NumArgs,
1465 LLVMBasicBlockRef Then, LLVMBasicBlockRef Catch,
1466 OperandBundleDef *Bundle, const char *Name) {
1467 Value *Callee = unwrap(Fn);
1468 FunctionType *FTy = unwrap<FunctionType>(Ty);
1469 unsigned Len = Bundle ? 1 : 0;
1470 ArrayRef<OperandBundleDef> Bundles = makeArrayRef(Bundle, Len);
1471 return wrap(unwrap(B)->CreateInvoke(FTy, Callee, unwrap(Then), unwrap(Catch),
1472 makeArrayRef(unwrap(Args), NumArgs),
1476 extern "C" void LLVMRustPositionBuilderAtStart(LLVMBuilderRef B,
1477 LLVMBasicBlockRef BB) {
1478 auto Point = unwrap(BB)->getFirstInsertionPt();
1479 unwrap(B)->SetInsertPoint(unwrap(BB), Point);
1482 extern "C" void LLVMRustSetComdat(LLVMModuleRef M, LLVMValueRef V,
1483 const char *Name, size_t NameLen) {
1484 Triple TargetTriple(unwrap(M)->getTargetTriple());
1485 GlobalObject *GV = unwrap<GlobalObject>(V);
1486 if (TargetTriple.supportsCOMDAT()) {
1487 StringRef NameRef(Name, NameLen);
1488 GV->setComdat(unwrap(M)->getOrInsertComdat(NameRef));
1492 enum class LLVMRustLinkage {
1493 ExternalLinkage = 0,
1494 AvailableExternallyLinkage = 1,
1495 LinkOnceAnyLinkage = 2,
1496 LinkOnceODRLinkage = 3,
1499 AppendingLinkage = 6,
1500 InternalLinkage = 7,
1502 ExternalWeakLinkage = 9,
1506 static LLVMRustLinkage toRust(LLVMLinkage Linkage) {
1508 case LLVMExternalLinkage:
1509 return LLVMRustLinkage::ExternalLinkage;
1510 case LLVMAvailableExternallyLinkage:
1511 return LLVMRustLinkage::AvailableExternallyLinkage;
1512 case LLVMLinkOnceAnyLinkage:
1513 return LLVMRustLinkage::LinkOnceAnyLinkage;
1514 case LLVMLinkOnceODRLinkage:
1515 return LLVMRustLinkage::LinkOnceODRLinkage;
1516 case LLVMWeakAnyLinkage:
1517 return LLVMRustLinkage::WeakAnyLinkage;
1518 case LLVMWeakODRLinkage:
1519 return LLVMRustLinkage::WeakODRLinkage;
1520 case LLVMAppendingLinkage:
1521 return LLVMRustLinkage::AppendingLinkage;
1522 case LLVMInternalLinkage:
1523 return LLVMRustLinkage::InternalLinkage;
1524 case LLVMPrivateLinkage:
1525 return LLVMRustLinkage::PrivateLinkage;
1526 case LLVMExternalWeakLinkage:
1527 return LLVMRustLinkage::ExternalWeakLinkage;
1528 case LLVMCommonLinkage:
1529 return LLVMRustLinkage::CommonLinkage;
1531 report_fatal_error("Invalid LLVMRustLinkage value!");
1535 static LLVMLinkage fromRust(LLVMRustLinkage Linkage) {
1537 case LLVMRustLinkage::ExternalLinkage:
1538 return LLVMExternalLinkage;
1539 case LLVMRustLinkage::AvailableExternallyLinkage:
1540 return LLVMAvailableExternallyLinkage;
1541 case LLVMRustLinkage::LinkOnceAnyLinkage:
1542 return LLVMLinkOnceAnyLinkage;
1543 case LLVMRustLinkage::LinkOnceODRLinkage:
1544 return LLVMLinkOnceODRLinkage;
1545 case LLVMRustLinkage::WeakAnyLinkage:
1546 return LLVMWeakAnyLinkage;
1547 case LLVMRustLinkage::WeakODRLinkage:
1548 return LLVMWeakODRLinkage;
1549 case LLVMRustLinkage::AppendingLinkage:
1550 return LLVMAppendingLinkage;
1551 case LLVMRustLinkage::InternalLinkage:
1552 return LLVMInternalLinkage;
1553 case LLVMRustLinkage::PrivateLinkage:
1554 return LLVMPrivateLinkage;
1555 case LLVMRustLinkage::ExternalWeakLinkage:
1556 return LLVMExternalWeakLinkage;
1557 case LLVMRustLinkage::CommonLinkage:
1558 return LLVMCommonLinkage;
1560 report_fatal_error("Invalid LLVMRustLinkage value!");
1563 extern "C" LLVMRustLinkage LLVMRustGetLinkage(LLVMValueRef V) {
1564 return toRust(LLVMGetLinkage(V));
1567 extern "C" void LLVMRustSetLinkage(LLVMValueRef V,
1568 LLVMRustLinkage RustLinkage) {
1569 LLVMSetLinkage(V, fromRust(RustLinkage));
1572 extern "C" LLVMValueRef LLVMRustConstInBoundsGEP2(LLVMTypeRef Ty,
1573 LLVMValueRef ConstantVal,
1574 LLVMValueRef *ConstantIndices,
1575 unsigned NumIndices) {
1576 ArrayRef<Constant *> IdxList(unwrap<Constant>(ConstantIndices, NumIndices),
1578 Constant *Val = unwrap<Constant>(ConstantVal);
1579 return wrap(ConstantExpr::getInBoundsGetElementPtr(unwrap(Ty), Val, IdxList));
1582 extern "C" bool LLVMRustConstIntGetZExtValue(LLVMValueRef CV, uint64_t *value) {
1583 auto C = unwrap<llvm::ConstantInt>(CV);
1584 if (C->getBitWidth() > 64)
1586 *value = C->getZExtValue();
1590 // Returns true if both high and low were successfully set. Fails in case constant wasn’t any of
1591 // the common sizes (1, 8, 16, 32, 64, 128 bits)
1592 extern "C" bool LLVMRustConstInt128Get(LLVMValueRef CV, bool sext, uint64_t *high, uint64_t *low)
1594 auto C = unwrap<llvm::ConstantInt>(CV);
1595 if (C->getBitWidth() > 128) { return false; }
1597 #if LLVM_VERSION_GE(15, 0)
1599 AP = C->getValue().sext(128);
1601 AP = C->getValue().zext(128);
1605 AP = C->getValue().sextOrSelf(128);
1607 AP = C->getValue().zextOrSelf(128);
1610 *low = AP.getLoBits(64).getZExtValue();
1611 *high = AP.getHiBits(64).getZExtValue();
1615 enum class LLVMRustVisibility {
1621 static LLVMRustVisibility toRust(LLVMVisibility Vis) {
1623 case LLVMDefaultVisibility:
1624 return LLVMRustVisibility::Default;
1625 case LLVMHiddenVisibility:
1626 return LLVMRustVisibility::Hidden;
1627 case LLVMProtectedVisibility:
1628 return LLVMRustVisibility::Protected;
1630 report_fatal_error("Invalid LLVMRustVisibility value!");
1633 static LLVMVisibility fromRust(LLVMRustVisibility Vis) {
1635 case LLVMRustVisibility::Default:
1636 return LLVMDefaultVisibility;
1637 case LLVMRustVisibility::Hidden:
1638 return LLVMHiddenVisibility;
1639 case LLVMRustVisibility::Protected:
1640 return LLVMProtectedVisibility;
1642 report_fatal_error("Invalid LLVMRustVisibility value!");
1645 extern "C" LLVMRustVisibility LLVMRustGetVisibility(LLVMValueRef V) {
1646 return toRust(LLVMGetVisibility(V));
1649 // Oh hey, a binding that makes sense for once? (because LLVM’s own do not)
1650 extern "C" LLVMValueRef LLVMRustBuildIntCast(LLVMBuilderRef B, LLVMValueRef Val,
1651 LLVMTypeRef DestTy, bool isSigned) {
1652 return wrap(unwrap(B)->CreateIntCast(unwrap(Val), unwrap(DestTy), isSigned, ""));
1655 extern "C" void LLVMRustSetVisibility(LLVMValueRef V,
1656 LLVMRustVisibility RustVisibility) {
1657 LLVMSetVisibility(V, fromRust(RustVisibility));
1660 extern "C" void LLVMRustSetDSOLocal(LLVMValueRef Global, bool is_dso_local) {
1661 unwrap<GlobalValue>(Global)->setDSOLocal(is_dso_local);
1664 struct LLVMRustModuleBuffer {
1668 extern "C" LLVMRustModuleBuffer*
1669 LLVMRustModuleBufferCreate(LLVMModuleRef M) {
1670 auto Ret = std::make_unique<LLVMRustModuleBuffer>();
1672 raw_string_ostream OS(Ret->data);
1673 WriteBitcodeToFile(*unwrap(M), OS);
1675 return Ret.release();
1679 LLVMRustModuleBufferFree(LLVMRustModuleBuffer *Buffer) {
1683 extern "C" const void*
1684 LLVMRustModuleBufferPtr(const LLVMRustModuleBuffer *Buffer) {
1685 return Buffer->data.data();
1689 LLVMRustModuleBufferLen(const LLVMRustModuleBuffer *Buffer) {
1690 return Buffer->data.length();
1694 LLVMRustModuleCost(LLVMModuleRef M) {
1695 auto f = unwrap(M)->functions();
1696 return std::distance(std::begin(f), std::end(f));
1699 // Vector reductions:
1700 extern "C" LLVMValueRef
1701 LLVMRustBuildVectorReduceFAdd(LLVMBuilderRef B, LLVMValueRef Acc, LLVMValueRef Src) {
1702 return wrap(unwrap(B)->CreateFAddReduce(unwrap(Acc),unwrap(Src)));
1704 extern "C" LLVMValueRef
1705 LLVMRustBuildVectorReduceFMul(LLVMBuilderRef B, LLVMValueRef Acc, LLVMValueRef Src) {
1706 return wrap(unwrap(B)->CreateFMulReduce(unwrap(Acc),unwrap(Src)));
1708 extern "C" LLVMValueRef
1709 LLVMRustBuildVectorReduceAdd(LLVMBuilderRef B, LLVMValueRef Src) {
1710 return wrap(unwrap(B)->CreateAddReduce(unwrap(Src)));
1712 extern "C" LLVMValueRef
1713 LLVMRustBuildVectorReduceMul(LLVMBuilderRef B, LLVMValueRef Src) {
1714 return wrap(unwrap(B)->CreateMulReduce(unwrap(Src)));
1716 extern "C" LLVMValueRef
1717 LLVMRustBuildVectorReduceAnd(LLVMBuilderRef B, LLVMValueRef Src) {
1718 return wrap(unwrap(B)->CreateAndReduce(unwrap(Src)));
1720 extern "C" LLVMValueRef
1721 LLVMRustBuildVectorReduceOr(LLVMBuilderRef B, LLVMValueRef Src) {
1722 return wrap(unwrap(B)->CreateOrReduce(unwrap(Src)));
1724 extern "C" LLVMValueRef
1725 LLVMRustBuildVectorReduceXor(LLVMBuilderRef B, LLVMValueRef Src) {
1726 return wrap(unwrap(B)->CreateXorReduce(unwrap(Src)));
1728 extern "C" LLVMValueRef
1729 LLVMRustBuildVectorReduceMin(LLVMBuilderRef B, LLVMValueRef Src, bool IsSigned) {
1730 return wrap(unwrap(B)->CreateIntMinReduce(unwrap(Src), IsSigned));
1732 extern "C" LLVMValueRef
1733 LLVMRustBuildVectorReduceMax(LLVMBuilderRef B, LLVMValueRef Src, bool IsSigned) {
1734 return wrap(unwrap(B)->CreateIntMaxReduce(unwrap(Src), IsSigned));
1736 extern "C" LLVMValueRef
1737 LLVMRustBuildVectorReduceFMin(LLVMBuilderRef B, LLVMValueRef Src, bool NoNaN) {
1738 Instruction *I = unwrap(B)->CreateFPMinReduce(unwrap(Src));
1739 I->setHasNoNaNs(NoNaN);
1742 extern "C" LLVMValueRef
1743 LLVMRustBuildVectorReduceFMax(LLVMBuilderRef B, LLVMValueRef Src, bool NoNaN) {
1744 Instruction *I = unwrap(B)->CreateFPMaxReduce(unwrap(Src));
1745 I->setHasNoNaNs(NoNaN);
1749 extern "C" LLVMValueRef
1750 LLVMRustBuildMinNum(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS) {
1751 return wrap(unwrap(B)->CreateMinNum(unwrap(LHS),unwrap(RHS)));
1753 extern "C" LLVMValueRef
1754 LLVMRustBuildMaxNum(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS) {
1755 return wrap(unwrap(B)->CreateMaxNum(unwrap(LHS),unwrap(RHS)));
1758 // This struct contains all necessary info about a symbol exported from a DLL.
1759 struct LLVMRustCOFFShortExport {
1761 bool ordinal_present;
1762 // The value of `ordinal` is only meaningful if `ordinal_present` is true.
1766 // Machine must be a COFF machine type, as defined in PE specs.
1767 extern "C" LLVMRustResult LLVMRustWriteImportLibrary(
1768 const char* ImportName,
1770 const LLVMRustCOFFShortExport* Exports,
1775 std::vector<llvm::object::COFFShortExport> ConvertedExports;
1776 ConvertedExports.reserve(NumExports);
1778 for (size_t i = 0; i < NumExports; ++i) {
1779 bool ordinal_present = Exports[i].ordinal_present;
1780 uint16_t ordinal = ordinal_present ? Exports[i].ordinal : 0;
1781 ConvertedExports.push_back(llvm::object::COFFShortExport{
1782 Exports[i].name, // Name
1783 std::string{}, // ExtName
1784 std::string{}, // SymbolName
1785 std::string{}, // AliasTarget
1787 ordinal_present, // Noname
1794 auto Error = llvm::object::writeImportLibrary(
1798 static_cast<llvm::COFF::MachineTypes>(Machine),
1801 std::string errorString;
1802 llvm::raw_string_ostream stream(errorString);
1805 LLVMRustSetLastError(errorString.c_str());
1806 return LLVMRustResult::Failure;
1808 return LLVMRustResult::Success;
1812 // Transfers ownership of DiagnosticHandler unique_ptr to the caller.
1813 extern "C" DiagnosticHandler *
1814 LLVMRustContextGetDiagnosticHandler(LLVMContextRef C) {
1815 std::unique_ptr<DiagnosticHandler> DH = unwrap(C)->getDiagnosticHandler();
1816 return DH.release();
1819 // Sets unique_ptr to object of DiagnosticHandler to provide custom diagnostic
1820 // handling. Ownership of the handler is moved to the LLVMContext.
1821 extern "C" void LLVMRustContextSetDiagnosticHandler(LLVMContextRef C,
1822 DiagnosticHandler *DH) {
1823 unwrap(C)->setDiagnosticHandler(std::unique_ptr<DiagnosticHandler>(DH));
1826 using LLVMDiagnosticHandlerTy = DiagnosticHandler::DiagnosticHandlerTy;
1828 // Configures a diagnostic handler that invokes provided callback when a
1829 // backend needs to emit a diagnostic.
1831 // When RemarkAllPasses is true, remarks are enabled for all passes. Otherwise
1832 // the RemarkPasses array specifies individual passes for which remarks will be
1834 extern "C" void LLVMRustContextConfigureDiagnosticHandler(
1835 LLVMContextRef C, LLVMDiagnosticHandlerTy DiagnosticHandlerCallback,
1836 void *DiagnosticHandlerContext, bool RemarkAllPasses,
1837 const char * const * RemarkPasses, size_t RemarkPassesLen) {
1839 class RustDiagnosticHandler final : public DiagnosticHandler {
1841 RustDiagnosticHandler(LLVMDiagnosticHandlerTy DiagnosticHandlerCallback,
1842 void *DiagnosticHandlerContext,
1843 bool RemarkAllPasses,
1844 std::vector<std::string> RemarkPasses)
1845 : DiagnosticHandlerCallback(DiagnosticHandlerCallback),
1846 DiagnosticHandlerContext(DiagnosticHandlerContext),
1847 RemarkAllPasses(RemarkAllPasses),
1848 RemarkPasses(RemarkPasses) {}
1850 virtual bool handleDiagnostics(const DiagnosticInfo &DI) override {
1851 if (DiagnosticHandlerCallback) {
1852 DiagnosticHandlerCallback(DI, DiagnosticHandlerContext);
1858 bool isAnalysisRemarkEnabled(StringRef PassName) const override {
1859 return isRemarkEnabled(PassName);
1862 bool isMissedOptRemarkEnabled(StringRef PassName) const override {
1863 return isRemarkEnabled(PassName);
1866 bool isPassedOptRemarkEnabled(StringRef PassName) const override {
1867 return isRemarkEnabled(PassName);
1870 bool isAnyRemarkEnabled() const override {
1871 return RemarkAllPasses || !RemarkPasses.empty();
1875 bool isRemarkEnabled(StringRef PassName) const {
1876 if (RemarkAllPasses)
1879 for (auto &Pass : RemarkPasses)
1880 if (Pass == PassName)
1886 LLVMDiagnosticHandlerTy DiagnosticHandlerCallback = nullptr;
1887 void *DiagnosticHandlerContext = nullptr;
1889 bool RemarkAllPasses = false;
1890 std::vector<std::string> RemarkPasses;
1893 std::vector<std::string> Passes;
1894 for (size_t I = 0; I != RemarkPassesLen; ++I)
1895 Passes.push_back(RemarkPasses[I]);
1897 unwrap(C)->setDiagnosticHandler(std::make_unique<RustDiagnosticHandler>(
1898 DiagnosticHandlerCallback, DiagnosticHandlerContext, RemarkAllPasses, Passes));
1901 extern "C" void LLVMRustGetMangledName(LLVMValueRef V, RustStringRef Str) {
1902 RawRustStringOstream OS(Str);
1903 GlobalValue *GV = unwrap<GlobalValue>(V);
1904 Mangler().getNameWithPrefix(OS, GV, true);
1907 // LLVMGetAggregateElement was added in LLVM 15. For earlier LLVM versions just
1908 // use its implementation.
1909 #if LLVM_VERSION_LT(15, 0)
1910 extern "C" LLVMValueRef LLVMGetAggregateElement(LLVMValueRef C, unsigned Idx) {
1911 return wrap(unwrap<Constant>(C)->getAggregateElement(Idx));
1915 extern "C" int32_t LLVMRustGetElementTypeArgIndex(LLVMValueRef CallSite) {
1916 #if LLVM_VERSION_GE(15, 0)
1917 auto *CB = unwrap<CallBase>(CallSite);
1918 switch (CB->getIntrinsicID()) {
1919 case Intrinsic::arm_ldrex:
1921 case Intrinsic::arm_strex: