1 // Copyright 2013 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
12 #include "llvm/IR/DebugInfoMetadata.h"
13 #include "llvm/IR/DiagnosticInfo.h"
14 #include "llvm/IR/DiagnosticPrinter.h"
15 #include "llvm/IR/Instructions.h"
16 #include "llvm/Object/Archive.h"
17 #include "llvm/Object/ObjectFile.h"
18 #include "llvm/Bitcode/BitcodeWriterPass.h"
20 #include "llvm/IR/CallSite.h"
22 #if LLVM_VERSION_GE(5, 0)
23 #include "llvm/ADT/Optional.h"
26 //===----------------------------------------------------------------------===
28 // This file defines alternate interfaces to core functions that are more
29 // readily callable by Rust's FFI.
31 //===----------------------------------------------------------------------===
34 using namespace llvm::sys;
35 using namespace llvm::object;
37 // LLVMAtomicOrdering is already an enum - don't create another
39 static AtomicOrdering fromRust(LLVMAtomicOrdering Ordering) {
41 case LLVMAtomicOrderingNotAtomic:
42 return AtomicOrdering::NotAtomic;
43 case LLVMAtomicOrderingUnordered:
44 return AtomicOrdering::Unordered;
45 case LLVMAtomicOrderingMonotonic:
46 return AtomicOrdering::Monotonic;
47 case LLVMAtomicOrderingAcquire:
48 return AtomicOrdering::Acquire;
49 case LLVMAtomicOrderingRelease:
50 return AtomicOrdering::Release;
51 case LLVMAtomicOrderingAcquireRelease:
52 return AtomicOrdering::AcquireRelease;
53 case LLVMAtomicOrderingSequentiallyConsistent:
54 return AtomicOrdering::SequentiallyConsistent;
57 report_fatal_error("Invalid LLVMAtomicOrdering value!");
60 static LLVM_THREAD_LOCAL char *LastError;
62 extern "C" LLVMMemoryBufferRef
63 LLVMRustCreateMemoryBufferWithContentsOfFile(const char *Path) {
64 ErrorOr<std::unique_ptr<MemoryBuffer>> BufOr =
65 MemoryBuffer::getFile(Path, -1, false);
67 LLVMRustSetLastError(BufOr.getError().message().c_str());
70 return wrap(BufOr.get().release());
73 extern "C" char *LLVMRustGetLastError(void) {
74 char *Ret = LastError;
79 extern "C" void LLVMRustSetLastError(const char *Err) {
80 free((void *)LastError);
81 LastError = strdup(Err);
84 extern "C" LLVMContextRef LLVMRustContextCreate(bool shouldDiscardNames) {
85 auto ctx = new LLVMContext();
86 ctx->setDiscardValueNames(shouldDiscardNames);
90 extern "C" void LLVMRustSetNormalizedTarget(LLVMModuleRef M,
92 unwrap(M)->setTargetTriple(Triple::normalize(Triple));
95 extern "C" void LLVMRustPrintPassTimings() {
96 raw_fd_ostream OS(2, false); // stderr.
97 TimerGroup::printAll(OS);
100 extern "C" LLVMValueRef LLVMRustGetNamedValue(LLVMModuleRef M,
102 return wrap(unwrap(M)->getNamedValue(Name));
105 extern "C" LLVMValueRef LLVMRustGetOrInsertFunction(LLVMModuleRef M,
107 LLVMTypeRef FunctionTy) {
109 unwrap(M)->getOrInsertFunction(Name, unwrap<FunctionType>(FunctionTy)));
112 extern "C" LLVMValueRef
113 LLVMRustGetOrInsertGlobal(LLVMModuleRef M, const char *Name, LLVMTypeRef Ty) {
114 return wrap(unwrap(M)->getOrInsertGlobal(Name, unwrap(Ty)));
117 extern "C" LLVMTypeRef LLVMRustMetadataTypeInContext(LLVMContextRef C) {
118 return wrap(Type::getMetadataTy(*unwrap(C)));
121 static Attribute::AttrKind fromRust(LLVMRustAttribute Kind) {
124 return Attribute::AlwaysInline;
126 return Attribute::ByVal;
128 return Attribute::Cold;
130 return Attribute::InlineHint;
132 return Attribute::MinSize;
134 return Attribute::Naked;
136 return Attribute::NoAlias;
138 return Attribute::NoCapture;
140 return Attribute::NoInline;
142 return Attribute::NonNull;
144 return Attribute::NoRedZone;
146 return Attribute::NoReturn;
148 return Attribute::NoUnwind;
149 case OptimizeForSize:
150 return Attribute::OptimizeForSize;
152 return Attribute::ReadOnly;
154 return Attribute::SExt;
156 return Attribute::StructRet;
158 return Attribute::UWTable;
160 return Attribute::ZExt;
162 return Attribute::InReg;
164 return Attribute::SanitizeThread;
165 case SanitizeAddress:
166 return Attribute::SanitizeAddress;
168 return Attribute::SanitizeMemory;
170 report_fatal_error("bad AttributeKind");
173 extern "C" void LLVMRustAddCallSiteAttribute(LLVMValueRef Instr, unsigned Index,
174 LLVMRustAttribute RustAttr) {
175 CallSite Call = CallSite(unwrap<Instruction>(Instr));
176 Attribute Attr = Attribute::get(Call->getContext(), fromRust(RustAttr));
177 #if LLVM_VERSION_GE(5, 0)
178 Call.addAttribute(Index, Attr);
181 Call.setAttributes(Call.getAttributes().addAttributes(
182 Call->getContext(), Index,
183 AttributeSet::get(Call->getContext(), Index, B)));
187 extern "C" void LLVMRustAddAlignmentCallSiteAttr(LLVMValueRef Instr,
190 CallSite Call = CallSite(unwrap<Instruction>(Instr));
192 B.addAlignmentAttr(Bytes);
193 #if LLVM_VERSION_GE(5, 0)
194 Call.setAttributes(Call.getAttributes().addAttributes(
195 Call->getContext(), Index, B));
197 Call.setAttributes(Call.getAttributes().addAttributes(
198 Call->getContext(), Index,
199 AttributeSet::get(Call->getContext(), Index, B)));
203 extern "C" void LLVMRustAddDereferenceableCallSiteAttr(LLVMValueRef Instr,
206 CallSite Call = CallSite(unwrap<Instruction>(Instr));
208 B.addDereferenceableAttr(Bytes);
209 #if LLVM_VERSION_GE(5, 0)
210 Call.setAttributes(Call.getAttributes().addAttributes(
211 Call->getContext(), Index, B));
213 Call.setAttributes(Call.getAttributes().addAttributes(
214 Call->getContext(), Index,
215 AttributeSet::get(Call->getContext(), Index, B)));
219 extern "C" void LLVMRustAddDereferenceableOrNullCallSiteAttr(LLVMValueRef Instr,
222 CallSite Call = CallSite(unwrap<Instruction>(Instr));
224 B.addDereferenceableOrNullAttr(Bytes);
225 #if LLVM_VERSION_GE(5, 0)
226 Call.setAttributes(Call.getAttributes().addAttributes(
227 Call->getContext(), Index, B));
229 Call.setAttributes(Call.getAttributes().addAttributes(
230 Call->getContext(), Index,
231 AttributeSet::get(Call->getContext(), Index, B)));
235 extern "C" void LLVMRustAddFunctionAttribute(LLVMValueRef Fn, unsigned Index,
236 LLVMRustAttribute RustAttr) {
237 Function *A = unwrap<Function>(Fn);
238 Attribute Attr = Attribute::get(A->getContext(), fromRust(RustAttr));
240 #if LLVM_VERSION_GE(5, 0)
241 A->addAttributes(Index, B);
243 A->addAttributes(Index, AttributeSet::get(A->getContext(), Index, B));
247 extern "C" void LLVMRustAddAlignmentAttr(LLVMValueRef Fn,
250 Function *A = unwrap<Function>(Fn);
252 B.addAlignmentAttr(Bytes);
253 #if LLVM_VERSION_GE(5, 0)
254 A->addAttributes(Index, B);
256 A->addAttributes(Index, AttributeSet::get(A->getContext(), Index, B));
260 extern "C" void LLVMRustAddDereferenceableAttr(LLVMValueRef Fn, unsigned Index,
262 Function *A = unwrap<Function>(Fn);
264 B.addDereferenceableAttr(Bytes);
265 #if LLVM_VERSION_GE(5, 0)
266 A->addAttributes(Index, B);
268 A->addAttributes(Index, AttributeSet::get(A->getContext(), Index, B));
272 extern "C" void LLVMRustAddDereferenceableOrNullAttr(LLVMValueRef Fn,
275 Function *A = unwrap<Function>(Fn);
277 B.addDereferenceableOrNullAttr(Bytes);
278 #if LLVM_VERSION_GE(5, 0)
279 A->addAttributes(Index, B);
281 A->addAttributes(Index, AttributeSet::get(A->getContext(), Index, B));
285 extern "C" void LLVMRustAddFunctionAttrStringValue(LLVMValueRef Fn,
289 Function *F = unwrap<Function>(Fn);
291 B.addAttribute(Name, Value);
292 #if LLVM_VERSION_GE(5, 0)
293 F->addAttributes(Index, B);
295 F->addAttributes(Index, AttributeSet::get(F->getContext(), Index, B));
299 extern "C" void LLVMRustRemoveFunctionAttributes(LLVMValueRef Fn,
301 LLVMRustAttribute RustAttr) {
302 Function *F = unwrap<Function>(Fn);
303 Attribute Attr = Attribute::get(F->getContext(), fromRust(RustAttr));
305 auto PAL = F->getAttributes();
306 #if LLVM_VERSION_GE(5, 0)
307 auto PALNew = PAL.removeAttributes(F->getContext(), Index, B);
309 const AttributeSet PALNew = PAL.removeAttributes(
310 F->getContext(), Index, AttributeSet::get(F->getContext(), Index, B));
312 F->setAttributes(PALNew);
315 // enable fpmath flag UnsafeAlgebra
316 extern "C" void LLVMRustSetHasUnsafeAlgebra(LLVMValueRef V) {
317 if (auto I = dyn_cast<Instruction>(unwrap<Value>(V))) {
318 #if LLVM_VERSION_GE(6, 0)
321 I->setHasUnsafeAlgebra(true);
326 extern "C" LLVMValueRef
327 LLVMRustBuildAtomicLoad(LLVMBuilderRef B, LLVMValueRef Source, const char *Name,
328 LLVMAtomicOrdering Order) {
329 LoadInst *LI = new LoadInst(unwrap(Source), 0);
330 LI->setAtomic(fromRust(Order));
331 return wrap(unwrap(B)->Insert(LI, Name));
334 extern "C" LLVMValueRef LLVMRustBuildAtomicStore(LLVMBuilderRef B,
337 LLVMAtomicOrdering Order) {
338 StoreInst *SI = new StoreInst(unwrap(V), unwrap(Target));
339 SI->setAtomic(fromRust(Order));
340 return wrap(unwrap(B)->Insert(SI));
343 extern "C" LLVMValueRef
344 LLVMRustBuildAtomicCmpXchg(LLVMBuilderRef B, LLVMValueRef Target,
345 LLVMValueRef Old, LLVMValueRef Source,
346 LLVMAtomicOrdering Order,
347 LLVMAtomicOrdering FailureOrder, LLVMBool Weak) {
348 AtomicCmpXchgInst *ACXI = unwrap(B)->CreateAtomicCmpXchg(
349 unwrap(Target), unwrap(Old), unwrap(Source), fromRust(Order),
350 fromRust(FailureOrder));
355 enum class LLVMRustSynchronizationScope {
361 #if LLVM_VERSION_GE(5, 0)
362 static SyncScope::ID fromRust(LLVMRustSynchronizationScope Scope) {
364 case LLVMRustSynchronizationScope::SingleThread:
365 return SyncScope::SingleThread;
366 case LLVMRustSynchronizationScope::CrossThread:
367 return SyncScope::System;
369 report_fatal_error("bad SynchronizationScope.");
373 static SynchronizationScope fromRust(LLVMRustSynchronizationScope Scope) {
375 case LLVMRustSynchronizationScope::SingleThread:
377 case LLVMRustSynchronizationScope::CrossThread:
380 report_fatal_error("bad SynchronizationScope.");
385 extern "C" LLVMValueRef
386 LLVMRustBuildAtomicFence(LLVMBuilderRef B, LLVMAtomicOrdering Order,
387 LLVMRustSynchronizationScope Scope) {
388 return wrap(unwrap(B)->CreateFence(fromRust(Order), fromRust(Scope)));
391 enum class LLVMRustAsmDialect {
397 static InlineAsm::AsmDialect fromRust(LLVMRustAsmDialect Dialect) {
399 case LLVMRustAsmDialect::Att:
400 return InlineAsm::AD_ATT;
401 case LLVMRustAsmDialect::Intel:
402 return InlineAsm::AD_Intel;
404 report_fatal_error("bad AsmDialect.");
408 extern "C" LLVMValueRef LLVMRustInlineAsm(LLVMTypeRef Ty, char *AsmString,
410 LLVMBool HasSideEffects,
411 LLVMBool IsAlignStack,
412 LLVMRustAsmDialect Dialect) {
413 return wrap(InlineAsm::get(unwrap<FunctionType>(Ty), AsmString, Constraints,
414 HasSideEffects, IsAlignStack, fromRust(Dialect)));
417 extern "C" void LLVMRustAppendModuleInlineAsm(LLVMModuleRef M, const char *Asm) {
418 unwrap(M)->appendModuleInlineAsm(StringRef(Asm));
421 typedef DIBuilder *LLVMRustDIBuilderRef;
423 #if LLVM_VERSION_LT(5, 0)
424 typedef struct LLVMOpaqueMetadata *LLVMMetadataRef;
427 DEFINE_ISA_CONVERSION_FUNCTIONS(Metadata, LLVMMetadataRef)
429 inline Metadata **unwrap(LLVMMetadataRef *Vals) {
430 return reinterpret_cast<Metadata **>(Vals);
435 template <typename DIT> DIT *unwrapDIPtr(LLVMMetadataRef Ref) {
436 return (DIT *)(Ref ? unwrap<MDNode>(Ref) : nullptr);
439 #define DIDescriptor DIScope
440 #define DIArray DINodeArray
441 #define unwrapDI unwrapDIPtr
443 // These values **must** match debuginfo::DIFlags! They also *happen*
444 // to match LLVM, but that isn't required as we do giant sets of
445 // matching below. The value shouldn't be directly passed to LLVM.
446 enum class LLVMRustDIFlags : uint32_t {
451 FlagFwdDecl = (1 << 2),
452 FlagAppleBlock = (1 << 3),
453 FlagBlockByrefStruct = (1 << 4),
454 FlagVirtual = (1 << 5),
455 FlagArtificial = (1 << 6),
456 FlagExplicit = (1 << 7),
457 FlagPrototyped = (1 << 8),
458 FlagObjcClassComplete = (1 << 9),
459 FlagObjectPointer = (1 << 10),
460 FlagVector = (1 << 11),
461 FlagStaticMember = (1 << 12),
462 FlagLValueReference = (1 << 13),
463 FlagRValueReference = (1 << 14),
464 FlagMainSubprogram = (1 << 21),
465 // Do not add values that are not supported by the minimum LLVM
466 // version we support!
469 inline LLVMRustDIFlags operator&(LLVMRustDIFlags A, LLVMRustDIFlags B) {
470 return static_cast<LLVMRustDIFlags>(static_cast<uint32_t>(A) &
471 static_cast<uint32_t>(B));
474 inline LLVMRustDIFlags operator|(LLVMRustDIFlags A, LLVMRustDIFlags B) {
475 return static_cast<LLVMRustDIFlags>(static_cast<uint32_t>(A) |
476 static_cast<uint32_t>(B));
479 inline LLVMRustDIFlags &operator|=(LLVMRustDIFlags &A, LLVMRustDIFlags B) {
483 inline bool isSet(LLVMRustDIFlags F) { return F != LLVMRustDIFlags::FlagZero; }
485 inline LLVMRustDIFlags visibility(LLVMRustDIFlags F) {
486 return static_cast<LLVMRustDIFlags>(static_cast<uint32_t>(F) & 0x3);
489 #if LLVM_VERSION_GE(4, 0)
490 static DINode::DIFlags fromRust(LLVMRustDIFlags Flags) {
491 DINode::DIFlags Result = DINode::DIFlags::FlagZero;
493 static unsigned fromRust(LLVMRustDIFlags Flags) {
497 switch (visibility(Flags)) {
498 case LLVMRustDIFlags::FlagPrivate:
499 Result |= DINode::DIFlags::FlagPrivate;
501 case LLVMRustDIFlags::FlagProtected:
502 Result |= DINode::DIFlags::FlagProtected;
504 case LLVMRustDIFlags::FlagPublic:
505 Result |= DINode::DIFlags::FlagPublic;
508 // The rest are handled below
512 if (isSet(Flags & LLVMRustDIFlags::FlagFwdDecl)) {
513 Result |= DINode::DIFlags::FlagFwdDecl;
515 if (isSet(Flags & LLVMRustDIFlags::FlagAppleBlock)) {
516 Result |= DINode::DIFlags::FlagAppleBlock;
518 if (isSet(Flags & LLVMRustDIFlags::FlagBlockByrefStruct)) {
519 Result |= DINode::DIFlags::FlagBlockByrefStruct;
521 if (isSet(Flags & LLVMRustDIFlags::FlagVirtual)) {
522 Result |= DINode::DIFlags::FlagVirtual;
524 if (isSet(Flags & LLVMRustDIFlags::FlagArtificial)) {
525 Result |= DINode::DIFlags::FlagArtificial;
527 if (isSet(Flags & LLVMRustDIFlags::FlagExplicit)) {
528 Result |= DINode::DIFlags::FlagExplicit;
530 if (isSet(Flags & LLVMRustDIFlags::FlagPrototyped)) {
531 Result |= DINode::DIFlags::FlagPrototyped;
533 if (isSet(Flags & LLVMRustDIFlags::FlagObjcClassComplete)) {
534 Result |= DINode::DIFlags::FlagObjcClassComplete;
536 if (isSet(Flags & LLVMRustDIFlags::FlagObjectPointer)) {
537 Result |= DINode::DIFlags::FlagObjectPointer;
539 if (isSet(Flags & LLVMRustDIFlags::FlagVector)) {
540 Result |= DINode::DIFlags::FlagVector;
542 if (isSet(Flags & LLVMRustDIFlags::FlagStaticMember)) {
543 Result |= DINode::DIFlags::FlagStaticMember;
545 if (isSet(Flags & LLVMRustDIFlags::FlagLValueReference)) {
546 Result |= DINode::DIFlags::FlagLValueReference;
548 if (isSet(Flags & LLVMRustDIFlags::FlagRValueReference)) {
549 Result |= DINode::DIFlags::FlagRValueReference;
551 #if LLVM_RUSTLLVM || LLVM_VERSION_GE(4, 0)
552 if (isSet(Flags & LLVMRustDIFlags::FlagMainSubprogram)) {
553 Result |= DINode::DIFlags::FlagMainSubprogram;
560 extern "C" uint32_t LLVMRustDebugMetadataVersion() {
561 return DEBUG_METADATA_VERSION;
564 extern "C" uint32_t LLVMRustVersionMinor() { return LLVM_VERSION_MINOR; }
566 extern "C" uint32_t LLVMRustVersionMajor() { return LLVM_VERSION_MAJOR; }
568 extern "C" void LLVMRustAddModuleFlag(LLVMModuleRef M, const char *Name,
570 unwrap(M)->addModuleFlag(Module::Warning, Name, Value);
573 extern "C" LLVMValueRef LLVMRustMetadataAsValue(LLVMContextRef C, LLVMMetadataRef MD) {
574 return wrap(MetadataAsValue::get(*unwrap(C), unwrap(MD)));
577 extern "C" LLVMRustDIBuilderRef LLVMRustDIBuilderCreate(LLVMModuleRef M) {
578 return new DIBuilder(*unwrap(M));
581 extern "C" void LLVMRustDIBuilderDispose(LLVMRustDIBuilderRef Builder) {
585 extern "C" void LLVMRustDIBuilderFinalize(LLVMRustDIBuilderRef Builder) {
589 extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateCompileUnit(
590 LLVMRustDIBuilderRef Builder, unsigned Lang, LLVMMetadataRef FileRef,
591 const char *Producer, bool isOptimized, const char *Flags,
592 unsigned RuntimeVer, const char *SplitName) {
593 auto *File = unwrapDI<DIFile>(FileRef);
595 #if LLVM_VERSION_GE(4, 0)
596 return wrap(Builder->createCompileUnit(Lang, File, Producer, isOptimized,
597 Flags, RuntimeVer, SplitName));
599 return wrap(Builder->createCompileUnit(Lang, File->getFilename(),
600 File->getDirectory(), Producer, isOptimized,
601 Flags, RuntimeVer, SplitName));
605 extern "C" LLVMMetadataRef
606 LLVMRustDIBuilderCreateFile(LLVMRustDIBuilderRef Builder, const char *Filename,
607 const char *Directory) {
608 return wrap(Builder->createFile(Filename, Directory));
611 extern "C" LLVMMetadataRef
612 LLVMRustDIBuilderCreateSubroutineType(LLVMRustDIBuilderRef Builder,
613 LLVMMetadataRef File,
614 LLVMMetadataRef ParameterTypes) {
615 return wrap(Builder->createSubroutineType(
616 DITypeRefArray(unwrap<MDTuple>(ParameterTypes))));
619 extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateFunction(
620 LLVMRustDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
621 const char *LinkageName, LLVMMetadataRef File, unsigned LineNo,
622 LLVMMetadataRef Ty, bool IsLocalToUnit, bool IsDefinition,
623 unsigned ScopeLine, LLVMRustDIFlags Flags, bool IsOptimized,
624 LLVMValueRef Fn, LLVMMetadataRef TParam, LLVMMetadataRef Decl) {
625 DITemplateParameterArray TParams =
626 DITemplateParameterArray(unwrap<MDTuple>(TParam));
627 DISubprogram *Sub = Builder->createFunction(
628 unwrapDI<DIScope>(Scope), Name, LinkageName, unwrapDI<DIFile>(File),
629 LineNo, unwrapDI<DISubroutineType>(Ty), IsLocalToUnit, IsDefinition,
630 ScopeLine, fromRust(Flags), IsOptimized, TParams,
631 unwrapDIPtr<DISubprogram>(Decl));
632 unwrap<Function>(Fn)->setSubprogram(Sub);
636 extern "C" LLVMMetadataRef
637 LLVMRustDIBuilderCreateBasicType(LLVMRustDIBuilderRef Builder, const char *Name,
638 uint64_t SizeInBits, uint32_t AlignInBits,
640 return wrap(Builder->createBasicType(Name, SizeInBits,
641 #if LLVM_VERSION_LE(3, 9)
647 extern "C" LLVMMetadataRef LLVMRustDIBuilderCreatePointerType(
648 LLVMRustDIBuilderRef Builder, LLVMMetadataRef PointeeTy,
649 uint64_t SizeInBits, uint32_t AlignInBits, const char *Name) {
650 return wrap(Builder->createPointerType(unwrapDI<DIType>(PointeeTy),
651 SizeInBits, AlignInBits,
652 #if LLVM_VERSION_GE(5, 0)
653 /* DWARFAddressSpace */ None,
658 extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateStructType(
659 LLVMRustDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
660 LLVMMetadataRef File, unsigned LineNumber, uint64_t SizeInBits,
661 uint32_t AlignInBits, LLVMRustDIFlags Flags,
662 LLVMMetadataRef DerivedFrom, LLVMMetadataRef Elements,
663 unsigned RunTimeLang, LLVMMetadataRef VTableHolder,
664 const char *UniqueId) {
665 return wrap(Builder->createStructType(
666 unwrapDI<DIDescriptor>(Scope), Name, unwrapDI<DIFile>(File), LineNumber,
667 SizeInBits, AlignInBits, fromRust(Flags), unwrapDI<DIType>(DerivedFrom),
668 DINodeArray(unwrapDI<MDTuple>(Elements)), RunTimeLang,
669 unwrapDI<DIType>(VTableHolder), UniqueId));
672 extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateMemberType(
673 LLVMRustDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
674 LLVMMetadataRef File, unsigned LineNo, uint64_t SizeInBits,
675 uint32_t AlignInBits, uint64_t OffsetInBits, LLVMRustDIFlags Flags,
676 LLVMMetadataRef Ty) {
677 return wrap(Builder->createMemberType(unwrapDI<DIDescriptor>(Scope), Name,
678 unwrapDI<DIFile>(File), LineNo,
679 SizeInBits, AlignInBits, OffsetInBits,
680 fromRust(Flags), unwrapDI<DIType>(Ty)));
683 extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateLexicalBlock(
684 LLVMRustDIBuilderRef Builder, LLVMMetadataRef Scope,
685 LLVMMetadataRef File, unsigned Line, unsigned Col) {
686 return wrap(Builder->createLexicalBlock(unwrapDI<DIDescriptor>(Scope),
687 unwrapDI<DIFile>(File), Line, Col));
690 extern "C" LLVMMetadataRef
691 LLVMRustDIBuilderCreateLexicalBlockFile(LLVMRustDIBuilderRef Builder,
692 LLVMMetadataRef Scope,
693 LLVMMetadataRef File) {
694 return wrap(Builder->createLexicalBlockFile(unwrapDI<DIDescriptor>(Scope),
695 unwrapDI<DIFile>(File)));
698 extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateStaticVariable(
699 LLVMRustDIBuilderRef Builder, LLVMMetadataRef Context, const char *Name,
700 const char *LinkageName, LLVMMetadataRef File, unsigned LineNo,
701 LLVMMetadataRef Ty, bool IsLocalToUnit, LLVMValueRef V,
702 LLVMMetadataRef Decl = nullptr, uint32_t AlignInBits = 0) {
703 llvm::GlobalVariable *InitVal = cast<llvm::GlobalVariable>(unwrap(V));
705 #if LLVM_VERSION_GE(4, 0)
706 llvm::DIExpression *InitExpr = nullptr;
707 if (llvm::ConstantInt *IntVal = llvm::dyn_cast<llvm::ConstantInt>(InitVal)) {
708 InitExpr = Builder->createConstantValueExpression(
709 IntVal->getValue().getSExtValue());
710 } else if (llvm::ConstantFP *FPVal =
711 llvm::dyn_cast<llvm::ConstantFP>(InitVal)) {
712 InitExpr = Builder->createConstantValueExpression(
713 FPVal->getValueAPF().bitcastToAPInt().getZExtValue());
716 llvm::DIGlobalVariableExpression *VarExpr = Builder->createGlobalVariableExpression(
717 unwrapDI<DIDescriptor>(Context), Name, LinkageName,
718 unwrapDI<DIFile>(File), LineNo, unwrapDI<DIType>(Ty), IsLocalToUnit,
719 InitExpr, unwrapDIPtr<MDNode>(Decl), AlignInBits);
721 InitVal->setMetadata("dbg", VarExpr);
723 return wrap(VarExpr);
725 return wrap(Builder->createGlobalVariable(
726 unwrapDI<DIDescriptor>(Context), Name, LinkageName,
727 unwrapDI<DIFile>(File), LineNo, unwrapDI<DIType>(Ty), IsLocalToUnit,
728 InitVal, unwrapDIPtr<MDNode>(Decl)));
732 extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateVariable(
733 LLVMRustDIBuilderRef Builder, unsigned Tag, LLVMMetadataRef Scope,
734 const char *Name, LLVMMetadataRef File, unsigned LineNo,
735 LLVMMetadataRef Ty, bool AlwaysPreserve, LLVMRustDIFlags Flags,
736 unsigned ArgNo, uint32_t AlignInBits) {
737 if (Tag == 0x100) { // DW_TAG_auto_variable
738 return wrap(Builder->createAutoVariable(
739 unwrapDI<DIDescriptor>(Scope), Name, unwrapDI<DIFile>(File), LineNo,
740 unwrapDI<DIType>(Ty), AlwaysPreserve, fromRust(Flags)
741 #if LLVM_VERSION_GE(4, 0)
747 return wrap(Builder->createParameterVariable(
748 unwrapDI<DIDescriptor>(Scope), Name, ArgNo, unwrapDI<DIFile>(File),
749 LineNo, unwrapDI<DIType>(Ty), AlwaysPreserve, fromRust(Flags)));
753 extern "C" LLVMMetadataRef
754 LLVMRustDIBuilderCreateArrayType(LLVMRustDIBuilderRef Builder, uint64_t Size,
755 uint32_t AlignInBits, LLVMMetadataRef Ty,
756 LLVMMetadataRef Subscripts) {
758 Builder->createArrayType(Size, AlignInBits, unwrapDI<DIType>(Ty),
759 DINodeArray(unwrapDI<MDTuple>(Subscripts))));
762 extern "C" LLVMMetadataRef
763 LLVMRustDIBuilderCreateVectorType(LLVMRustDIBuilderRef Builder, uint64_t Size,
764 uint32_t AlignInBits, LLVMMetadataRef Ty,
765 LLVMMetadataRef Subscripts) {
767 Builder->createVectorType(Size, AlignInBits, unwrapDI<DIType>(Ty),
768 DINodeArray(unwrapDI<MDTuple>(Subscripts))));
771 extern "C" LLVMMetadataRef
772 LLVMRustDIBuilderGetOrCreateSubrange(LLVMRustDIBuilderRef Builder, int64_t Lo,
774 return wrap(Builder->getOrCreateSubrange(Lo, Count));
777 extern "C" LLVMMetadataRef
778 LLVMRustDIBuilderGetOrCreateArray(LLVMRustDIBuilderRef Builder,
779 LLVMMetadataRef *Ptr, unsigned Count) {
780 Metadata **DataValue = unwrap(Ptr);
782 Builder->getOrCreateArray(ArrayRef<Metadata *>(DataValue, Count)).get());
785 extern "C" LLVMValueRef LLVMRustDIBuilderInsertDeclareAtEnd(
786 LLVMRustDIBuilderRef Builder, LLVMValueRef V, LLVMMetadataRef VarInfo,
787 int64_t *AddrOps, unsigned AddrOpsCount, LLVMValueRef DL,
788 LLVMBasicBlockRef InsertAtEnd) {
789 return wrap(Builder->insertDeclare(
790 unwrap(V), unwrap<DILocalVariable>(VarInfo),
791 Builder->createExpression(llvm::ArrayRef<int64_t>(AddrOps, AddrOpsCount)),
792 DebugLoc(cast<MDNode>(unwrap<MetadataAsValue>(DL)->getMetadata())),
793 unwrap(InsertAtEnd)));
796 extern "C" LLVMMetadataRef
797 LLVMRustDIBuilderCreateEnumerator(LLVMRustDIBuilderRef Builder,
798 const char *Name, uint64_t Val) {
799 return wrap(Builder->createEnumerator(Name, Val));
802 extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateEnumerationType(
803 LLVMRustDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
804 LLVMMetadataRef File, unsigned LineNumber, uint64_t SizeInBits,
805 uint32_t AlignInBits, LLVMMetadataRef Elements,
806 LLVMMetadataRef ClassTy) {
807 return wrap(Builder->createEnumerationType(
808 unwrapDI<DIDescriptor>(Scope), Name, unwrapDI<DIFile>(File), LineNumber,
809 SizeInBits, AlignInBits, DINodeArray(unwrapDI<MDTuple>(Elements)),
810 unwrapDI<DIType>(ClassTy)));
813 extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateUnionType(
814 LLVMRustDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
815 LLVMMetadataRef File, unsigned LineNumber, uint64_t SizeInBits,
816 uint32_t AlignInBits, LLVMRustDIFlags Flags, LLVMMetadataRef Elements,
817 unsigned RunTimeLang, const char *UniqueId) {
818 return wrap(Builder->createUnionType(
819 unwrapDI<DIDescriptor>(Scope), Name, unwrapDI<DIFile>(File), LineNumber,
820 SizeInBits, AlignInBits, fromRust(Flags),
821 DINodeArray(unwrapDI<MDTuple>(Elements)), RunTimeLang, UniqueId));
824 extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateTemplateTypeParameter(
825 LLVMRustDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
826 LLVMMetadataRef Ty, LLVMMetadataRef File, unsigned LineNo,
828 return wrap(Builder->createTemplateTypeParameter(
829 unwrapDI<DIDescriptor>(Scope), Name, unwrapDI<DIType>(Ty)));
832 extern "C" LLVMMetadataRef
833 LLVMRustDIBuilderCreateNameSpace(LLVMRustDIBuilderRef Builder,
834 LLVMMetadataRef Scope, const char *Name,
835 LLVMMetadataRef File, unsigned LineNo) {
836 return wrap(Builder->createNameSpace(
837 unwrapDI<DIDescriptor>(Scope), Name
838 #if LLVM_VERSION_LT(5, 0)
840 unwrapDI<DIFile>(File), LineNo
842 #if LLVM_VERSION_GE(4, 0)
844 false // ExportSymbols (only relevant for C++ anonymous namespaces)
850 LLVMRustDICompositeTypeSetTypeArray(LLVMRustDIBuilderRef Builder,
851 LLVMMetadataRef CompositeTy,
852 LLVMMetadataRef TyArray) {
853 DICompositeType *Tmp = unwrapDI<DICompositeType>(CompositeTy);
854 Builder->replaceArrays(Tmp, DINodeArray(unwrap<MDTuple>(TyArray)));
857 extern "C" LLVMValueRef
858 LLVMRustDIBuilderCreateDebugLocation(LLVMContextRef ContextRef, unsigned Line,
859 unsigned Column, LLVMMetadataRef Scope,
860 LLVMMetadataRef InlinedAt) {
861 LLVMContext &Context = *unwrap(ContextRef);
863 DebugLoc debug_loc = DebugLoc::get(Line, Column, unwrapDIPtr<MDNode>(Scope),
864 unwrapDIPtr<MDNode>(InlinedAt));
866 return wrap(MetadataAsValue::get(Context, debug_loc.getAsMDNode()));
869 extern "C" int64_t LLVMRustDIBuilderCreateOpDeref() {
870 return dwarf::DW_OP_deref;
873 extern "C" int64_t LLVMRustDIBuilderCreateOpPlusUconst() {
874 #if LLVM_VERSION_GE(5, 0)
875 return dwarf::DW_OP_plus_uconst;
877 // older LLVM used `plus` to behave like `plus_uconst`.
878 return dwarf::DW_OP_plus;
882 extern "C" void LLVMRustWriteTypeToString(LLVMTypeRef Ty, RustStringRef Str) {
883 RawRustStringOstream OS(Str);
884 unwrap<llvm::Type>(Ty)->print(OS);
887 extern "C" void LLVMRustWriteValueToString(LLVMValueRef V,
889 RawRustStringOstream OS(Str);
894 unwrap<llvm::Value>(V)->getType()->print(OS);
896 unwrap<llvm::Value>(V)->print(OS);
901 extern "C" bool LLVMRustLinkInExternalBitcode(LLVMModuleRef DstRef, char *BC,
903 Module *Dst = unwrap(DstRef);
905 std::unique_ptr<MemoryBuffer> Buf =
906 MemoryBuffer::getMemBufferCopy(StringRef(BC, Len));
908 #if LLVM_VERSION_GE(4, 0)
909 Expected<std::unique_ptr<Module>> SrcOrError =
910 llvm::getLazyBitcodeModule(Buf->getMemBufferRef(), Dst->getContext());
912 LLVMRustSetLastError(toString(SrcOrError.takeError()).c_str());
916 auto Src = std::move(*SrcOrError);
918 ErrorOr<std::unique_ptr<Module>> Src =
919 llvm::getLazyBitcodeModule(std::move(Buf), Dst->getContext());
921 LLVMRustSetLastError(Src.getError().message().c_str());
928 raw_string_ostream Stream(Err);
929 DiagnosticPrinterRawOStream DP(Stream);
930 #if LLVM_VERSION_GE(4, 0)
931 if (Linker::linkModules(*Dst, std::move(Src))) {
933 if (Linker::linkModules(*Dst, std::move(Src.get()))) {
935 LLVMRustSetLastError(Err.c_str());
941 // Note that the two following functions look quite similar to the
942 // LLVMGetSectionName function. Sadly, it appears that this function only
943 // returns a char* pointer, which isn't guaranteed to be null-terminated. The
944 // function provided by LLVM doesn't return the length, so we've created our own
945 // function which returns the length as well as the data pointer.
947 // For an example of this not returning a null terminated string, see
948 // lib/Object/COFFObjectFile.cpp in the getSectionName function. One of the
949 // branches explicitly creates a StringRef without a null terminator, and then
952 inline section_iterator *unwrap(LLVMSectionIteratorRef SI) {
953 return reinterpret_cast<section_iterator *>(SI);
956 extern "C" size_t LLVMRustGetSectionName(LLVMSectionIteratorRef SI,
959 if (std::error_code EC = (*unwrap(SI))->getName(Ret))
960 report_fatal_error(EC.message());
965 // LLVMArrayType function does not support 64-bit ElementCount
966 extern "C" LLVMTypeRef LLVMRustArrayType(LLVMTypeRef ElementTy,
967 uint64_t ElementCount) {
968 return wrap(ArrayType::get(unwrap(ElementTy), ElementCount));
971 DEFINE_SIMPLE_CONVERSION_FUNCTIONS(Twine, LLVMTwineRef)
973 extern "C" void LLVMRustWriteTwineToString(LLVMTwineRef T, RustStringRef Str) {
974 RawRustStringOstream OS(Str);
975 unwrap(T)->print(OS);
978 extern "C" void LLVMRustUnpackOptimizationDiagnostic(
979 LLVMDiagnosticInfoRef DI, RustStringRef PassNameOut,
980 LLVMValueRef *FunctionOut, unsigned* Line, unsigned* Column,
981 RustStringRef FilenameOut, RustStringRef MessageOut) {
982 // Undefined to call this not on an optimization diagnostic!
983 llvm::DiagnosticInfoOptimizationBase *Opt =
984 static_cast<llvm::DiagnosticInfoOptimizationBase *>(unwrap(DI));
986 RawRustStringOstream PassNameOS(PassNameOut);
987 PassNameOS << Opt->getPassName();
988 *FunctionOut = wrap(&Opt->getFunction());
990 RawRustStringOstream FilenameOS(FilenameOut);
991 #if LLVM_VERSION_GE(5,0)
992 DiagnosticLocation loc = Opt->getLocation();
994 *Line = loc.getLine();
995 *Column = loc.getColumn();
996 FilenameOS << loc.getFilename();
999 const DebugLoc &loc = Opt->getDebugLoc();
1001 *Line = loc.getLine();
1002 *Column = loc.getCol();
1003 FilenameOS << cast<DIScope>(loc.getScope())->getFilename();
1007 RawRustStringOstream MessageOS(MessageOut);
1008 MessageOS << Opt->getMsg();
1012 LLVMRustUnpackInlineAsmDiagnostic(LLVMDiagnosticInfoRef DI, unsigned *CookieOut,
1013 LLVMTwineRef *MessageOut,
1014 LLVMValueRef *InstructionOut) {
1015 // Undefined to call this not on an inline assembly diagnostic!
1016 llvm::DiagnosticInfoInlineAsm *IA =
1017 static_cast<llvm::DiagnosticInfoInlineAsm *>(unwrap(DI));
1019 *CookieOut = IA->getLocCookie();
1020 *MessageOut = wrap(&IA->getMsgStr());
1021 *InstructionOut = wrap(IA->getInstruction());
1024 extern "C" void LLVMRustWriteDiagnosticInfoToString(LLVMDiagnosticInfoRef DI,
1025 RustStringRef Str) {
1026 RawRustStringOstream OS(Str);
1027 DiagnosticPrinterRawOStream DP(OS);
1028 unwrap(DI)->print(DP);
1031 enum class LLVMRustDiagnosticKind {
1035 DebugMetadataVersion,
1038 OptimizationRemarkMissed,
1039 OptimizationRemarkAnalysis,
1040 OptimizationRemarkAnalysisFPCommute,
1041 OptimizationRemarkAnalysisAliasing,
1042 OptimizationRemarkOther,
1043 OptimizationFailure,
1046 static LLVMRustDiagnosticKind toRust(DiagnosticKind Kind) {
1049 return LLVMRustDiagnosticKind::InlineAsm;
1051 return LLVMRustDiagnosticKind::StackSize;
1052 case DK_DebugMetadataVersion:
1053 return LLVMRustDiagnosticKind::DebugMetadataVersion;
1054 case DK_SampleProfile:
1055 return LLVMRustDiagnosticKind::SampleProfile;
1056 case DK_OptimizationRemark:
1057 return LLVMRustDiagnosticKind::OptimizationRemark;
1058 case DK_OptimizationRemarkMissed:
1059 return LLVMRustDiagnosticKind::OptimizationRemarkMissed;
1060 case DK_OptimizationRemarkAnalysis:
1061 return LLVMRustDiagnosticKind::OptimizationRemarkAnalysis;
1062 case DK_OptimizationRemarkAnalysisFPCommute:
1063 return LLVMRustDiagnosticKind::OptimizationRemarkAnalysisFPCommute;
1064 case DK_OptimizationRemarkAnalysisAliasing:
1065 return LLVMRustDiagnosticKind::OptimizationRemarkAnalysisAliasing;
1067 return (Kind >= DK_FirstRemark && Kind <= DK_LastRemark)
1068 ? LLVMRustDiagnosticKind::OptimizationRemarkOther
1069 : LLVMRustDiagnosticKind::Other;
1073 extern "C" LLVMRustDiagnosticKind
1074 LLVMRustGetDiagInfoKind(LLVMDiagnosticInfoRef DI) {
1075 return toRust((DiagnosticKind)unwrap(DI)->getKind());
1077 // This is kept distinct from LLVMGetTypeKind, because when
1078 // a new type kind is added, the Rust-side enum must be
1079 // updated or UB will result.
1080 extern "C" LLVMTypeKind LLVMRustGetTypeKind(LLVMTypeRef Ty) {
1081 switch (unwrap(Ty)->getTypeID()) {
1082 case Type::VoidTyID:
1083 return LLVMVoidTypeKind;
1084 case Type::HalfTyID:
1085 return LLVMHalfTypeKind;
1086 case Type::FloatTyID:
1087 return LLVMFloatTypeKind;
1088 case Type::DoubleTyID:
1089 return LLVMDoubleTypeKind;
1090 case Type::X86_FP80TyID:
1091 return LLVMX86_FP80TypeKind;
1092 case Type::FP128TyID:
1093 return LLVMFP128TypeKind;
1094 case Type::PPC_FP128TyID:
1095 return LLVMPPC_FP128TypeKind;
1096 case Type::LabelTyID:
1097 return LLVMLabelTypeKind;
1098 case Type::MetadataTyID:
1099 return LLVMMetadataTypeKind;
1100 case Type::IntegerTyID:
1101 return LLVMIntegerTypeKind;
1102 case Type::FunctionTyID:
1103 return LLVMFunctionTypeKind;
1104 case Type::StructTyID:
1105 return LLVMStructTypeKind;
1106 case Type::ArrayTyID:
1107 return LLVMArrayTypeKind;
1108 case Type::PointerTyID:
1109 return LLVMPointerTypeKind;
1110 case Type::VectorTyID:
1111 return LLVMVectorTypeKind;
1112 case Type::X86_MMXTyID:
1113 return LLVMX86_MMXTypeKind;
1114 case Type::TokenTyID:
1115 return LLVMTokenTypeKind;
1117 report_fatal_error("Unhandled TypeID.");
1120 DEFINE_SIMPLE_CONVERSION_FUNCTIONS(SMDiagnostic, LLVMSMDiagnosticRef)
1122 extern "C" void LLVMRustSetInlineAsmDiagnosticHandler(
1123 LLVMContextRef C, LLVMContext::InlineAsmDiagHandlerTy H, void *CX) {
1124 unwrap(C)->setInlineAsmDiagnosticHandler(H, CX);
1127 extern "C" void LLVMRustWriteSMDiagnosticToString(LLVMSMDiagnosticRef D,
1128 RustStringRef Str) {
1129 RawRustStringOstream OS(Str);
1130 unwrap(D)->print("", OS);
1133 extern "C" LLVMValueRef LLVMRustBuildCleanupPad(LLVMBuilderRef B,
1134 LLVMValueRef ParentPad,
1136 LLVMValueRef *LLArgs,
1138 Value **Args = unwrap(LLArgs);
1139 if (ParentPad == nullptr) {
1140 Type *Ty = Type::getTokenTy(unwrap(B)->getContext());
1141 ParentPad = wrap(Constant::getNullValue(Ty));
1143 return wrap(unwrap(B)->CreateCleanupPad(
1144 unwrap(ParentPad), ArrayRef<Value *>(Args, ArgCount), Name));
1147 extern "C" LLVMValueRef LLVMRustBuildCleanupRet(LLVMBuilderRef B,
1148 LLVMValueRef CleanupPad,
1149 LLVMBasicBlockRef UnwindBB) {
1150 CleanupPadInst *Inst = cast<CleanupPadInst>(unwrap(CleanupPad));
1151 return wrap(unwrap(B)->CreateCleanupRet(Inst, unwrap(UnwindBB)));
1154 extern "C" LLVMValueRef
1155 LLVMRustBuildCatchPad(LLVMBuilderRef B, LLVMValueRef ParentPad,
1156 unsigned ArgCount, LLVMValueRef *LLArgs, const char *Name) {
1157 Value **Args = unwrap(LLArgs);
1158 return wrap(unwrap(B)->CreateCatchPad(
1159 unwrap(ParentPad), ArrayRef<Value *>(Args, ArgCount), Name));
1162 extern "C" LLVMValueRef LLVMRustBuildCatchRet(LLVMBuilderRef B,
1164 LLVMBasicBlockRef BB) {
1165 return wrap(unwrap(B)->CreateCatchRet(cast<CatchPadInst>(unwrap(Pad)),
1169 extern "C" LLVMValueRef LLVMRustBuildCatchSwitch(LLVMBuilderRef B,
1170 LLVMValueRef ParentPad,
1171 LLVMBasicBlockRef BB,
1172 unsigned NumHandlers,
1174 if (ParentPad == nullptr) {
1175 Type *Ty = Type::getTokenTy(unwrap(B)->getContext());
1176 ParentPad = wrap(Constant::getNullValue(Ty));
1178 return wrap(unwrap(B)->CreateCatchSwitch(unwrap(ParentPad), unwrap(BB),
1179 NumHandlers, Name));
1182 extern "C" void LLVMRustAddHandler(LLVMValueRef CatchSwitchRef,
1183 LLVMBasicBlockRef Handler) {
1184 Value *CatchSwitch = unwrap(CatchSwitchRef);
1185 cast<CatchSwitchInst>(CatchSwitch)->addHandler(unwrap(Handler));
1188 extern "C" OperandBundleDef *LLVMRustBuildOperandBundleDef(const char *Name,
1189 LLVMValueRef *Inputs,
1190 unsigned NumInputs) {
1191 return new OperandBundleDef(Name, makeArrayRef(unwrap(Inputs), NumInputs));
1194 extern "C" void LLVMRustFreeOperandBundleDef(OperandBundleDef *Bundle) {
1198 extern "C" LLVMValueRef LLVMRustBuildCall(LLVMBuilderRef B, LLVMValueRef Fn,
1199 LLVMValueRef *Args, unsigned NumArgs,
1200 OperandBundleDef *Bundle,
1202 unsigned Len = Bundle ? 1 : 0;
1203 ArrayRef<OperandBundleDef> Bundles = makeArrayRef(Bundle, Len);
1204 return wrap(unwrap(B)->CreateCall(
1205 unwrap(Fn), makeArrayRef(unwrap(Args), NumArgs), Bundles, Name));
1208 extern "C" LLVMValueRef
1209 LLVMRustBuildInvoke(LLVMBuilderRef B, LLVMValueRef Fn, LLVMValueRef *Args,
1210 unsigned NumArgs, LLVMBasicBlockRef Then,
1211 LLVMBasicBlockRef Catch, OperandBundleDef *Bundle,
1213 unsigned Len = Bundle ? 1 : 0;
1214 ArrayRef<OperandBundleDef> Bundles = makeArrayRef(Bundle, Len);
1215 return wrap(unwrap(B)->CreateInvoke(unwrap(Fn), unwrap(Then), unwrap(Catch),
1216 makeArrayRef(unwrap(Args), NumArgs),
1220 extern "C" void LLVMRustPositionBuilderAtStart(LLVMBuilderRef B,
1221 LLVMBasicBlockRef BB) {
1222 auto Point = unwrap(BB)->getFirstInsertionPt();
1223 unwrap(B)->SetInsertPoint(unwrap(BB), Point);
1226 extern "C" void LLVMRustSetComdat(LLVMModuleRef M, LLVMValueRef V,
1228 Triple TargetTriple(unwrap(M)->getTargetTriple());
1229 GlobalObject *GV = unwrap<GlobalObject>(V);
1230 if (!TargetTriple.isOSBinFormatMachO()) {
1231 GV->setComdat(unwrap(M)->getOrInsertComdat(Name));
1235 extern "C" void LLVMRustUnsetComdat(LLVMValueRef V) {
1236 GlobalObject *GV = unwrap<GlobalObject>(V);
1237 GV->setComdat(nullptr);
1240 enum class LLVMRustLinkage {
1241 ExternalLinkage = 0,
1242 AvailableExternallyLinkage = 1,
1243 LinkOnceAnyLinkage = 2,
1244 LinkOnceODRLinkage = 3,
1247 AppendingLinkage = 6,
1248 InternalLinkage = 7,
1250 ExternalWeakLinkage = 9,
1254 static LLVMRustLinkage toRust(LLVMLinkage Linkage) {
1256 case LLVMExternalLinkage:
1257 return LLVMRustLinkage::ExternalLinkage;
1258 case LLVMAvailableExternallyLinkage:
1259 return LLVMRustLinkage::AvailableExternallyLinkage;
1260 case LLVMLinkOnceAnyLinkage:
1261 return LLVMRustLinkage::LinkOnceAnyLinkage;
1262 case LLVMLinkOnceODRLinkage:
1263 return LLVMRustLinkage::LinkOnceODRLinkage;
1264 case LLVMWeakAnyLinkage:
1265 return LLVMRustLinkage::WeakAnyLinkage;
1266 case LLVMWeakODRLinkage:
1267 return LLVMRustLinkage::WeakODRLinkage;
1268 case LLVMAppendingLinkage:
1269 return LLVMRustLinkage::AppendingLinkage;
1270 case LLVMInternalLinkage:
1271 return LLVMRustLinkage::InternalLinkage;
1272 case LLVMPrivateLinkage:
1273 return LLVMRustLinkage::PrivateLinkage;
1274 case LLVMExternalWeakLinkage:
1275 return LLVMRustLinkage::ExternalWeakLinkage;
1276 case LLVMCommonLinkage:
1277 return LLVMRustLinkage::CommonLinkage;
1279 report_fatal_error("Invalid LLVMRustLinkage value!");
1283 static LLVMLinkage fromRust(LLVMRustLinkage Linkage) {
1285 case LLVMRustLinkage::ExternalLinkage:
1286 return LLVMExternalLinkage;
1287 case LLVMRustLinkage::AvailableExternallyLinkage:
1288 return LLVMAvailableExternallyLinkage;
1289 case LLVMRustLinkage::LinkOnceAnyLinkage:
1290 return LLVMLinkOnceAnyLinkage;
1291 case LLVMRustLinkage::LinkOnceODRLinkage:
1292 return LLVMLinkOnceODRLinkage;
1293 case LLVMRustLinkage::WeakAnyLinkage:
1294 return LLVMWeakAnyLinkage;
1295 case LLVMRustLinkage::WeakODRLinkage:
1296 return LLVMWeakODRLinkage;
1297 case LLVMRustLinkage::AppendingLinkage:
1298 return LLVMAppendingLinkage;
1299 case LLVMRustLinkage::InternalLinkage:
1300 return LLVMInternalLinkage;
1301 case LLVMRustLinkage::PrivateLinkage:
1302 return LLVMPrivateLinkage;
1303 case LLVMRustLinkage::ExternalWeakLinkage:
1304 return LLVMExternalWeakLinkage;
1305 case LLVMRustLinkage::CommonLinkage:
1306 return LLVMCommonLinkage;
1308 report_fatal_error("Invalid LLVMRustLinkage value!");
1311 extern "C" LLVMRustLinkage LLVMRustGetLinkage(LLVMValueRef V) {
1312 return toRust(LLVMGetLinkage(V));
1315 extern "C" void LLVMRustSetLinkage(LLVMValueRef V,
1316 LLVMRustLinkage RustLinkage) {
1317 LLVMSetLinkage(V, fromRust(RustLinkage));
1320 // Returns true if both high and low were successfully set. Fails in case constant wasn’t any of
1321 // the common sizes (1, 8, 16, 32, 64, 128 bits)
1322 extern "C" bool LLVMRustConstInt128Get(LLVMValueRef CV, bool sext, uint64_t *high, uint64_t *low)
1324 auto C = unwrap<llvm::ConstantInt>(CV);
1325 if (C->getBitWidth() > 128) { return false; }
1328 AP = C->getValue().sextOrSelf(128);
1330 AP = C->getValue().zextOrSelf(128);
1332 *low = AP.getLoBits(64).getZExtValue();
1333 *high = AP.getHiBits(64).getZExtValue();
1337 enum class LLVMRustVisibility {
1343 static LLVMRustVisibility toRust(LLVMVisibility Vis) {
1345 case LLVMDefaultVisibility:
1346 return LLVMRustVisibility::Default;
1347 case LLVMHiddenVisibility:
1348 return LLVMRustVisibility::Hidden;
1349 case LLVMProtectedVisibility:
1350 return LLVMRustVisibility::Protected;
1352 report_fatal_error("Invalid LLVMRustVisibility value!");
1355 static LLVMVisibility fromRust(LLVMRustVisibility Vis) {
1357 case LLVMRustVisibility::Default:
1358 return LLVMDefaultVisibility;
1359 case LLVMRustVisibility::Hidden:
1360 return LLVMHiddenVisibility;
1361 case LLVMRustVisibility::Protected:
1362 return LLVMProtectedVisibility;
1364 report_fatal_error("Invalid LLVMRustVisibility value!");
1367 extern "C" LLVMRustVisibility LLVMRustGetVisibility(LLVMValueRef V) {
1368 return toRust(LLVMGetVisibility(V));
1371 // Oh hey, a binding that makes sense for once? (because LLVM’s own do not)
1372 extern "C" LLVMValueRef LLVMRustBuildIntCast(LLVMBuilderRef B, LLVMValueRef Val,
1373 LLVMTypeRef DestTy, bool isSigned) {
1374 return wrap(unwrap(B)->CreateIntCast(unwrap(Val), unwrap(DestTy), isSigned, ""));
1377 extern "C" void LLVMRustSetVisibility(LLVMValueRef V,
1378 LLVMRustVisibility RustVisibility) {
1379 LLVMSetVisibility(V, fromRust(RustVisibility));
1382 struct LLVMRustModuleBuffer {
1386 extern "C" LLVMRustModuleBuffer*
1387 LLVMRustModuleBufferCreate(LLVMModuleRef M) {
1388 auto Ret = llvm::make_unique<LLVMRustModuleBuffer>();
1390 raw_string_ostream OS(Ret->data);
1392 legacy::PassManager PM;
1393 PM.add(createBitcodeWriterPass(OS));
1397 return Ret.release();
1401 LLVMRustModuleBufferFree(LLVMRustModuleBuffer *Buffer) {
1405 extern "C" const void*
1406 LLVMRustModuleBufferPtr(const LLVMRustModuleBuffer *Buffer) {
1407 return Buffer->data.data();
1411 LLVMRustModuleBufferLen(const LLVMRustModuleBuffer *Buffer) {
1412 return Buffer->data.length();
1416 LLVMRustModuleCost(LLVMModuleRef M) {
1417 auto f = unwrap(M)->functions();
1418 return std::distance(std::begin(f), std::end(f));