diff options
Diffstat (limited to 'compiler/rustc_llvm')
| -rw-r--r-- | compiler/rustc_llvm/build.rs | 73 | ||||
| -rw-r--r-- | compiler/rustc_llvm/llvm-wrapper/ArchiveWrapper.cpp | 13 | ||||
| -rw-r--r-- | compiler/rustc_llvm/llvm-wrapper/CoverageMappingWrapper.cpp | 11 | ||||
| -rw-r--r-- | compiler/rustc_llvm/llvm-wrapper/LLVMWrapper.h | 7 | ||||
| -rw-r--r-- | compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp | 128 | ||||
| -rw-r--r-- | compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp | 178 | ||||
| -rw-r--r-- | compiler/rustc_llvm/src/lib.rs | 2 |
7 files changed, 238 insertions, 174 deletions
diff --git a/compiler/rustc_llvm/build.rs b/compiler/rustc_llvm/build.rs index 7729ec6bef4..28e092c1eb7 100644 --- a/compiler/rustc_llvm/build.rs +++ b/compiler/rustc_llvm/build.rs @@ -4,6 +4,29 @@ use std::fmt::Display; use std::path::{Path, PathBuf}; use std::process::{Command, Stdio}; +const OPTIONAL_COMPONENTS: &[&str] = &[ + "x86", + "arm", + "aarch64", + "amdgpu", + "avr", + "m68k", + "mips", + "powerpc", + "systemz", + "jsbackend", + "webassembly", + "msp430", + "sparc", + "nvptx", + "hexagon", + "riscv", + "bpf", +]; + +const REQUIRED_COMPONENTS: &[&str] = + &["ipo", "bitreader", "bitwriter", "linker", "asmparser", "lto", "coverage", "instrumentation"]; + fn detect_llvm_link() -> (&'static str, &'static str) { // Force the link mode we want, preferring static by default, but // possibly overridden by `configure --enable-llvm-link-shared`. @@ -76,6 +99,10 @@ fn output(cmd: &mut Command) -> String { } fn main() { + for component in REQUIRED_COMPONENTS.iter().chain(OPTIONAL_COMPONENTS.iter()) { + println!("cargo:rustc-check-cfg=values(llvm_component,\"{}\")", component); + } + if tracked_env_var_os("RUST_CHECK").is_some() { // If we're just running `check`, there's no need for LLVM to be built. return; @@ -131,42 +158,11 @@ fn main() { let host = env::var("HOST").expect("HOST was not set"); let is_crossed = target != host; - let optional_components = &[ - "x86", - "arm", - "aarch64", - "amdgpu", - "avr", - "m68k", - "mips", - "powerpc", - "systemz", - "jsbackend", - "webassembly", - "msp430", - "sparc", - "nvptx", - "hexagon", - "riscv", - "bpf", - ]; - - let required_components = &[ - "ipo", - "bitreader", - "bitwriter", - "linker", - "asmparser", - "lto", - "coverage", - "instrumentation", - ]; - let components = output(Command::new(&llvm_config).arg("--components")); let mut components = components.split_whitespace().collect::<Vec<_>>(); - components.retain(|c| optional_components.contains(c) || required_components.contains(c)); + components.retain(|c| OPTIONAL_COMPONENTS.contains(c) || REQUIRED_COMPONENTS.contains(c)); - for component in required_components { + for component in REQUIRED_COMPONENTS { if !components.contains(component) { panic!("require llvm component {} but wasn't found", component); } @@ -246,6 +242,13 @@ fn main() { println!("cargo:rustc-link-lib=uuid"); } else if target.contains("netbsd") || target.contains("haiku") || target.contains("darwin") { println!("cargo:rustc-link-lib=z"); + } else if target.starts_with("arm") + || target.starts_with("mips-") + || target.starts_with("mipsel-") + || target.starts_with("powerpc-") + { + // 32-bit targets need to link libatomic. + println!("cargo:rustc-link-lib=atomic"); } cmd.args(&components); @@ -339,10 +342,10 @@ fn main() { }; // RISC-V GCC erroneously requires libatomic for sub-word - // atomic operations. FreeBSD uses Clang as its system + // atomic operations. Some BSD uses Clang as its system // compiler and provides no libatomic in its base system so // does not want this. - if !target.contains("freebsd") && target.starts_with("riscv") { + if target.starts_with("riscv") && !target.contains("freebsd") && !target.contains("openbsd") { println!("cargo:rustc-link-lib=atomic"); } diff --git a/compiler/rustc_llvm/llvm-wrapper/ArchiveWrapper.cpp b/compiler/rustc_llvm/llvm-wrapper/ArchiveWrapper.cpp index 97541e615da..448a1f62f69 100644 --- a/compiler/rustc_llvm/llvm-wrapper/ArchiveWrapper.cpp +++ b/compiler/rustc_llvm/llvm-wrapper/ArchiveWrapper.cpp @@ -154,19 +154,6 @@ LLVMRustArchiveChildName(LLVMRustArchiveChildConstRef Child, size_t *Size) { return Name.data(); } -extern "C" const char *LLVMRustArchiveChildData(LLVMRustArchiveChildRef Child, - size_t *Size) { - StringRef Buf; - Expected<StringRef> BufOrErr = Child->getBuffer(); - if (!BufOrErr) { - LLVMRustSetLastError(toString(BufOrErr.takeError()).c_str()); - return nullptr; - } - Buf = BufOrErr.get(); - *Size = Buf.size(); - return Buf.data(); -} - extern "C" LLVMRustArchiveMemberRef LLVMRustArchiveMemberNew(char *Filename, char *Name, LLVMRustArchiveChildRef Child) { diff --git a/compiler/rustc_llvm/llvm-wrapper/CoverageMappingWrapper.cpp b/compiler/rustc_llvm/llvm-wrapper/CoverageMappingWrapper.cpp index 154f554d607..7da6ab71309 100644 --- a/compiler/rustc_llvm/llvm-wrapper/CoverageMappingWrapper.cpp +++ b/compiler/rustc_llvm/llvm-wrapper/CoverageMappingWrapper.cpp @@ -24,17 +24,10 @@ extern "C" void LLVMRustCoverageWriteFilenamesSectionToBuffer( const char* const Filenames[], size_t FilenamesLen, RustStringRef BufferOut) { -#if LLVM_VERSION_GE(13,0) SmallVector<std::string,32> FilenameRefs; for (size_t i = 0; i < FilenamesLen; i++) { FilenameRefs.push_back(std::string(Filenames[i])); } -#else - SmallVector<StringRef,32> FilenameRefs; - for (size_t i = 0; i < FilenamesLen; i++) { - FilenameRefs.push_back(StringRef(Filenames[i])); - } -#endif auto FilenamesWriter = coverage::CoverageFilenamesSectionWriter( makeArrayRef(FilenameRefs)); RawRustStringOstream OS(BufferOut); @@ -109,9 +102,5 @@ extern "C" void LLVMRustCoverageWriteMappingVarNameToString(RustStringRef Str) { } extern "C" uint32_t LLVMRustCoverageMappingVersion() { -#if LLVM_VERSION_GE(13, 0) return coverage::CovMapVersion::Version6; -#else - return coverage::CovMapVersion::Version5; -#endif } diff --git a/compiler/rustc_llvm/llvm-wrapper/LLVMWrapper.h b/compiler/rustc_llvm/llvm-wrapper/LLVMWrapper.h index a2b0e9b4d29..015c1c52bef 100644 --- a/compiler/rustc_llvm/llvm-wrapper/LLVMWrapper.h +++ b/compiler/rustc_llvm/llvm-wrapper/LLVMWrapper.h @@ -84,6 +84,13 @@ enum LLVMRustAttribute { StackProtect = 32, NoUndef = 33, SanitizeMemTag = 34, + NoCfCheck = 35, + ShadowCallStack = 36, + AllocSize = 37, +#if LLVM_VERSION_GE(15, 0) + AllocatedPointer = 38, + AllocAlign = 39, +#endif }; typedef struct OpaqueRustString *RustStringRef; diff --git a/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp b/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp index be8fbf7677b..24e18826048 100644 --- a/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp +++ b/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp @@ -31,9 +31,13 @@ #include "llvm/Transforms/IPO/PassManagerBuilder.h" #include "llvm/Transforms/IPO/AlwaysInliner.h" #include "llvm/Transforms/IPO/FunctionImport.h" +#if LLVM_VERSION_GE(15, 0) +#include "llvm/Transforms/IPO/ThinLTOBitcodeWriter.h" +#endif #include "llvm/Transforms/Utils/AddDiscriminators.h" #include "llvm/Transforms/Utils/FunctionImportUtils.h" #include "llvm/LTO/LTO.h" +#include "llvm/Bitcode/BitcodeWriterPass.h" #include "llvm-c/Transforms/PassManagerBuilder.h" #include "llvm/Transforms/Instrumentation.h" @@ -89,23 +93,6 @@ extern "C" void LLVMTimeTraceProfilerFinish(const char* FileName) { timeTraceProfilerCleanup(); } -enum class LLVMRustPassKind { - Other, - Function, - Module, -}; - -static LLVMRustPassKind toRust(PassKind Kind) { - switch (Kind) { - case PT_Function: - return LLVMRustPassKind::Function; - case PT_Module: - return LLVMRustPassKind::Module; - default: - return LLVMRustPassKind::Other; - } -} - extern "C" LLVMPassRef LLVMRustFindAndCreatePass(const char *PassName) { #if LLVM_VERSION_LT(15, 0) StringRef SR(PassName); @@ -147,7 +134,12 @@ extern "C" LLVMPassRef LLVMRustCreateMemorySanitizerPass(int TrackOrigins, bool const bool CompileKernel = false; return wrap(createMemorySanitizerLegacyPassPass( - MemorySanitizerOptions{TrackOrigins, Recover, CompileKernel})); +#if LLVM_VERSION_GE(14, 0) + MemorySanitizerOptions{TrackOrigins, Recover, CompileKernel, /*EagerChecks=*/true} +#else + MemorySanitizerOptions{TrackOrigins, Recover, CompileKernel} +#endif + )); #else report_fatal_error("Legacy PM not supported with LLVM 15"); #endif @@ -171,12 +163,6 @@ extern "C" LLVMPassRef LLVMRustCreateHWAddressSanitizerPass(bool Recover) { #endif } -extern "C" LLVMRustPassKind LLVMRustPassKind(LLVMPassRef RustPass) { - assert(RustPass); - Pass *Pass = unwrap(RustPass); - return toRust(Pass->getPassKind()); -} - extern "C" void LLVMRustAddPass(LLVMPassManagerRef PMR, LLVMPassRef RustPass) { #if LLVM_VERSION_LT(15, 0) assert(RustPass); @@ -844,7 +830,8 @@ LLVMRustOptimizeWithNewPassManager( bool DisableSimplifyLibCalls, bool EmitLifetimeMarkers, LLVMRustSanitizerOptions *SanitizerOptions, const char *PGOGenPath, const char *PGOUsePath, - bool InstrumentCoverage, bool InstrumentGCOV, + bool InstrumentCoverage, const char *InstrProfileOutput, + bool InstrumentGCOV, const char *PGOSampleUsePath, bool DebugInfoForProfiling, void* LlvmSelfProfiler, LLVMRustSelfProfileBeforePassCallback BeforePassCallback, @@ -891,19 +878,11 @@ LLVMRustOptimizeWithNewPassManager( PGOOptions::NoCSAction, DebugInfoForProfiling); } -#if LLVM_VERSION_GE(13, 0) PassBuilder PB(TM, PTO, PGOOpt, &PIC); LoopAnalysisManager LAM; FunctionAnalysisManager FAM; CGSCCAnalysisManager CGAM; ModuleAnalysisManager MAM; -#else - PassBuilder PB(DebugPassManager, TM, PTO, PGOOpt, &PIC); - LoopAnalysisManager LAM(DebugPassManager); - FunctionAnalysisManager FAM(DebugPassManager); - CGSCCAnalysisManager CGAM(DebugPassManager); - ModuleAnalysisManager MAM(DebugPassManager); -#endif FAM.registerPass([&] { return PB.buildDefaultAAPipeline(); }); @@ -944,8 +923,11 @@ LLVMRustOptimizeWithNewPassManager( if (InstrumentCoverage) { PipelineStartEPCallbacks.push_back( - [](ModulePassManager &MPM, OptimizationLevel Level) { + [InstrProfileOutput](ModulePassManager &MPM, OptimizationLevel Level) { InstrProfOptions Options; + if (InstrProfileOutput) { + Options.InstrProfileOutput = InstrProfileOutput; + } MPM.addPass(InstrProfiling(Options, false)); } ); @@ -953,18 +935,28 @@ LLVMRustOptimizeWithNewPassManager( if (SanitizerOptions) { if (SanitizerOptions->SanitizeMemory) { +#if LLVM_VERSION_GE(14, 0) + MemorySanitizerOptions Options( + SanitizerOptions->SanitizeMemoryTrackOrigins, + SanitizerOptions->SanitizeMemoryRecover, + /*CompileKernel=*/false, + /*EagerChecks=*/true); +#else MemorySanitizerOptions Options( SanitizerOptions->SanitizeMemoryTrackOrigins, SanitizerOptions->SanitizeMemoryRecover, /*CompileKernel=*/false); +#endif OptimizerLastEPCallbacks.push_back( [Options](ModulePassManager &MPM, OptimizationLevel Level) { -#if LLVM_VERSION_GE(14, 0) +#if LLVM_VERSION_GE(14, 0) && LLVM_VERSION_LT(16, 0) MPM.addPass(ModuleMemorySanitizerPass(Options)); #else MPM.addPass(MemorySanitizerPass(Options)); #endif +#if LLVM_VERSION_LT(16, 0) MPM.addPass(createModuleToFunctionPassAdaptor(MemorySanitizerPass(Options))); +#endif } ); } @@ -995,8 +987,12 @@ LLVMRustOptimizeWithNewPassManager( /*UseAfterScope=*/true, AsanDetectStackUseAfterReturnMode::Runtime, }; +#if LLVM_VERSION_LT(16, 0) MPM.addPass(ModuleAddressSanitizerPass(opts)); #else + MPM.addPass(AddressSanitizerPass(opts)); +#endif +#else MPM.addPass(ModuleAddressSanitizerPass( /*CompileKernel=*/false, SanitizerOptions->SanitizeAddressRecover)); MPM.addPass(createModuleToFunctionPassAdaptor(AddressSanitizerPass( @@ -1037,11 +1033,7 @@ LLVMRustOptimizeWithNewPassManager( } } -#if LLVM_VERSION_GE(13, 0) ModulePassManager MPM; -#else - ModulePassManager MPM(DebugPassManager); -#endif bool NeedThinLTOBufferPasses = UseThinLTOBuffers; if (!NoPrepopulatePasses) { // The pre-link pipelines don't support O0 and require using budilO0DefaultPipeline() instead. @@ -1456,17 +1448,13 @@ LLVMRustCreateThinLTOData(LLVMRustThinLTOModule *modules, Ret->ResolvedODR[ModuleIdentifier][GUID] = NewLinkage; }; -#if LLVM_VERSION_GE(13,0) // Uses FromPrevailing visibility scheme which works for many binary // formats. We probably could and should use ELF visibility scheme for many of // our targets, however. lto::Config conf; thinLTOResolvePrevailingInIndex(conf, Ret->Index, isPrevailing, recordNewLinkage, Ret->GUIDPreservedSymbols); -#else - thinLTOResolvePrevailingInIndex(Ret->Index, isPrevailing, recordNewLinkage, - Ret->GUIDPreservedSymbols); -#endif + // Here we calculate an `ExportedGUIDs` set for use in the `isExported` // callback below. This callback below will dictate the linkage for all // summaries in the index, and we basically just only want to ensure that dead @@ -1603,28 +1591,6 @@ LLVMRustPrepareThinLTOImport(const LLVMRustThinLTOData *Data, LLVMModuleRef M, return true; } -extern "C" typedef void (*LLVMRustModuleNameCallback)(void*, // payload - const char*, // importing module name - const char*); // imported module name - -// Calls `module_name_callback` for each module import done by ThinLTO. -// The callback is provided with regular null-terminated C strings. -extern "C" void -LLVMRustGetThinLTOModules(const LLVMRustThinLTOData *data, - LLVMRustModuleNameCallback module_name_callback, - void* callback_payload) { - for (const auto& importing_module : data->ImportLists) { - const std::string importing_module_id = importing_module.getKey().str(); - const auto& imports = importing_module.getValue(); - for (const auto& imported_module : imports) { - const std::string imported_module_id = imported_module.getKey().str(); - module_name_callback(callback_payload, - importing_module_id.c_str(), - imported_module_id.c_str()); - } - } -} - // This struct and various functions are sort of a hack right now, but the // problem is that we've got in-memory LLVM modules after we generate and // optimize all codegen-units for one compilation in rustc. To be compatible @@ -1638,14 +1604,36 @@ struct LLVMRustThinLTOBuffer { }; extern "C" LLVMRustThinLTOBuffer* -LLVMRustThinLTOBufferCreate(LLVMModuleRef M) { +LLVMRustThinLTOBufferCreate(LLVMModuleRef M, bool is_thin) { auto Ret = std::make_unique<LLVMRustThinLTOBuffer>(); { raw_string_ostream OS(Ret->data); { - legacy::PassManager PM; - PM.add(createWriteThinLTOBitcodePass(OS)); - PM.run(*unwrap(M)); + if (is_thin) { +#if LLVM_VERSION_LT(15, 0) + legacy::PassManager PM; + PM.add(createWriteThinLTOBitcodePass(OS)); + PM.run(*unwrap(M)); +#else + PassBuilder PB; + LoopAnalysisManager LAM; + FunctionAnalysisManager FAM; + CGSCCAnalysisManager CGAM; + ModuleAnalysisManager MAM; + PB.registerModuleAnalyses(MAM); + PB.registerCGSCCAnalyses(CGAM); + PB.registerFunctionAnalyses(FAM); + PB.registerLoopAnalyses(LAM); + PB.crossRegisterProxies(LAM, FAM, CGAM, MAM); + ModulePassManager MPM; + MPM.addPass(ThinLTOBitcodeWriterPass(OS, nullptr)); + MPM.run(*unwrap(M), MAM); +#endif + } else { + legacy::PassManager PM; + PM.add(createBitcodeWriterPass(OS)); + PM.run(*unwrap(M)); + } } } return Ret.release(); diff --git a/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp b/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp index 7ac3157e7a1..6ee3c7d6821 100644 --- a/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp +++ b/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp @@ -6,6 +6,7 @@ #include "llvm/IR/GlobalVariable.h" #include "llvm/IR/Instructions.h" #include "llvm/IR/Intrinsics.h" +#include "llvm/IR/IntrinsicsARM.h" #include "llvm/IR/Mangler.h" #include "llvm/Object/Archive.h" #include "llvm/Object/COFFImportFile.h" @@ -88,10 +89,6 @@ extern "C" char *LLVMRustGetLastError(void) { return Ret; } -extern "C" unsigned int LLVMRustGetInstructionCount(LLVMModuleRef M) { - return unwrap(M)->getInstructionCount(); -} - extern "C" void LLVMRustSetLastError(const char *Err) { free((void *)LastError); LastError = strdup(Err); @@ -176,6 +173,8 @@ static Attribute::AttrKind fromRust(LLVMRustAttribute Kind) { return Attribute::NoAlias; case NoCapture: return Attribute::NoCapture; + case NoCfCheck: + return Attribute::NoCfCheck; case NoInline: return Attribute::NoInline; case NonNull: @@ -230,6 +229,16 @@ static Attribute::AttrKind fromRust(LLVMRustAttribute Kind) { return Attribute::NoUndef; case SanitizeMemTag: return Attribute::SanitizeMemTag; + case ShadowCallStack: + return Attribute::ShadowCallStack; + case AllocSize: + return Attribute::AllocSize; +#if LLVM_VERSION_GE(15, 0) + case AllocatedPointer: + return Attribute::AllocatedPointer; + case AllocAlign: + return Attribute::AllocAlign; +#endif } report_fatal_error("bad AttributeKind"); } @@ -292,6 +301,14 @@ extern "C" LLVMAttributeRef LLVMRustCreateStructRetAttr(LLVMContextRef C, LLVMTy return wrap(Attribute::getWithStructRetType(*unwrap(C), unwrap(Ty))); } +extern "C" LLVMAttributeRef LLVMRustCreateElementTypeAttr(LLVMContextRef C, LLVMTypeRef Ty) { +#if LLVM_VERSION_GE(15, 0) + return wrap(Attribute::get(*unwrap(C), Attribute::ElementType, unwrap(Ty))); +#else + report_fatal_error("Should not be needed on LLVM < 15"); +#endif +} + extern "C" LLVMAttributeRef LLVMRustCreateUWTableAttr(LLVMContextRef C, bool Async) { #if LLVM_VERSION_LT(15, 0) return wrap(Attribute::get(*unwrap(C), Attribute::UWTable)); @@ -301,6 +318,67 @@ extern "C" LLVMAttributeRef LLVMRustCreateUWTableAttr(LLVMContextRef C, bool Asy #endif } +extern "C" LLVMAttributeRef LLVMRustCreateAllocSizeAttr(LLVMContextRef C, uint32_t ElementSizeArg) { + return wrap(Attribute::getWithAllocSizeArgs(*unwrap(C), ElementSizeArg, None)); +} + +#if LLVM_VERSION_GE(15, 0) + +// These values **must** match ffi::AllocKindFlags. +// It _happens_ to match the LLVM values of llvm::AllocFnKind, +// but that's happenstance and we do explicit conversions before +// passing them to LLVM. +enum class LLVMRustAllocKindFlags : uint64_t { + Unknown = 0, + Alloc = 1, + Realloc = 1 << 1, + Free = 1 << 2, + Uninitialized = 1 << 3, + Zeroed = 1 << 4, + Aligned = 1 << 5, +}; + +static LLVMRustAllocKindFlags operator&(LLVMRustAllocKindFlags A, LLVMRustAllocKindFlags B) { + return static_cast<LLVMRustAllocKindFlags>(static_cast<uint64_t>(A) & + static_cast<uint64_t>(B)); +} + +static bool isSet(LLVMRustAllocKindFlags F) { return F != LLVMRustAllocKindFlags::Unknown; } + +static llvm::AllocFnKind allocKindFromRust(LLVMRustAllocKindFlags F) { + llvm::AllocFnKind AFK = llvm::AllocFnKind::Unknown; + if (isSet(F & LLVMRustAllocKindFlags::Alloc)) { + AFK |= llvm::AllocFnKind::Alloc; + } + if (isSet(F & LLVMRustAllocKindFlags::Realloc)) { + AFK |= llvm::AllocFnKind::Realloc; + } + if (isSet(F & LLVMRustAllocKindFlags::Free)) { + AFK |= llvm::AllocFnKind::Free; + } + if (isSet(F & LLVMRustAllocKindFlags::Uninitialized)) { + AFK |= llvm::AllocFnKind::Uninitialized; + } + if (isSet(F & LLVMRustAllocKindFlags::Zeroed)) { + AFK |= llvm::AllocFnKind::Zeroed; + } + if (isSet(F & LLVMRustAllocKindFlags::Aligned)) { + AFK |= llvm::AllocFnKind::Aligned; + } + return AFK; +} +#endif + +extern "C" LLVMAttributeRef LLVMRustCreateAllocKindAttr(LLVMContextRef C, uint64_t AllocKindArg) { +#if LLVM_VERSION_GE(15, 0) + return wrap(Attribute::get(*unwrap(C), Attribute::AllocKind, + static_cast<uint64_t>(allocKindFromRust(static_cast<LLVMRustAllocKindFlags>(AllocKindArg))))); +#else + report_fatal_error( + "allockind attributes are new in LLVM 15 and should not be used on older LLVMs"); +#endif +} + // Enable a fast-math flag // // https://llvm.org/docs/LangRef.html#fast-math-flags @@ -335,18 +413,12 @@ LLVMRustBuildAtomicCmpXchg(LLVMBuilderRef B, LLVMValueRef Target, LLVMValueRef Old, LLVMValueRef Source, LLVMAtomicOrdering Order, LLVMAtomicOrdering FailureOrder, LLVMBool Weak) { -#if LLVM_VERSION_GE(13,0) // Rust probably knows the alignment of the target value and should be able to // specify something more precise than MaybeAlign here. See also // https://reviews.llvm.org/D97224 which may be a useful reference. AtomicCmpXchgInst *ACXI = unwrap(B)->CreateAtomicCmpXchg( unwrap(Target), unwrap(Old), unwrap(Source), llvm::MaybeAlign(), fromRust(Order), fromRust(FailureOrder)); -#else - AtomicCmpXchgInst *ACXI = unwrap(B)->CreateAtomicCmpXchg( - unwrap(Target), unwrap(Old), unwrap(Source), fromRust(Order), - fromRust(FailureOrder)); -#endif ACXI->setWeak(Weak); return wrap(ACXI); } @@ -394,19 +466,11 @@ LLVMRustInlineAsm(LLVMTypeRef Ty, char *AsmString, size_t AsmStringLen, char *Constraints, size_t ConstraintsLen, LLVMBool HasSideEffects, LLVMBool IsAlignStack, LLVMRustAsmDialect Dialect, LLVMBool CanThrow) { -#if LLVM_VERSION_GE(13, 0) return wrap(InlineAsm::get(unwrap<FunctionType>(Ty), StringRef(AsmString, AsmStringLen), StringRef(Constraints, ConstraintsLen), HasSideEffects, IsAlignStack, fromRust(Dialect), CanThrow)); -#else - return wrap(InlineAsm::get(unwrap<FunctionType>(Ty), - StringRef(AsmString, AsmStringLen), - StringRef(Constraints, ConstraintsLen), - HasSideEffects, IsAlignStack, - fromRust(Dialect))); -#endif } extern "C" bool LLVMRustInlineAsmVerify(LLVMTypeRef Ty, char *Constraints, @@ -846,6 +910,30 @@ extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateVariantMemberType( fromRust(Flags), unwrapDI<DIType>(Ty))); } +extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateStaticMemberType( + LLVMRustDIBuilderRef Builder, + LLVMMetadataRef Scope, + const char *Name, + size_t NameLen, + LLVMMetadataRef File, + unsigned LineNo, + LLVMMetadataRef Ty, + LLVMRustDIFlags Flags, + LLVMValueRef val, + uint32_t AlignInBits +) { + return wrap(Builder->createStaticMemberType( + unwrapDI<DIDescriptor>(Scope), + StringRef(Name, NameLen), + unwrapDI<DIFile>(File), + LineNo, + unwrapDI<DIType>(Ty), + fromRust(Flags), + unwrap<llvm::ConstantInt>(val), + AlignInBits + )); +} + extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateLexicalBlock( LLVMRustDIBuilderRef Builder, LLVMMetadataRef Scope, LLVMMetadataRef File, unsigned Line, unsigned Col) { @@ -1172,10 +1260,8 @@ static LLVMRustDiagnosticKind toRust(DiagnosticKind Kind) { return LLVMRustDiagnosticKind::Linker; case DK_Unsupported: return LLVMRustDiagnosticKind::Unsupported; -#if LLVM_VERSION_GE(13, 0) case DK_SrcMgr: return LLVMRustDiagnosticKind::SrcMgr; -#endif default: return (Kind >= DK_FirstRemark && Kind <= DK_LastRemark) ? LLVMRustDiagnosticKind::OptimizationRemarkOther @@ -1233,41 +1319,27 @@ extern "C" LLVMTypeKind LLVMRustGetTypeKind(LLVMTypeRef Ty) { return LLVMBFloatTypeKind; case Type::X86_AMXTyID: return LLVMX86_AMXTypeKind; -#if LLVM_VERSION_GE(15, 0) +#if LLVM_VERSION_GE(15, 0) && LLVM_VERSION_LT(16, 0) case Type::DXILPointerTyID: report_fatal_error("Rust does not support DirectX typed pointers."); break; #endif +#if LLVM_VERSION_GE(16, 0) + case Type::TypedPointerTyID: + report_fatal_error("Rust does not support typed pointers."); + break; +#endif } report_fatal_error("Unhandled TypeID."); } DEFINE_SIMPLE_CONVERSION_FUNCTIONS(SMDiagnostic, LLVMSMDiagnosticRef) -#if LLVM_VERSION_LT(13, 0) -using LLVMInlineAsmDiagHandlerTy = LLVMContext::InlineAsmDiagHandlerTy; -#else -using LLVMInlineAsmDiagHandlerTy = void*; -#endif - -extern "C" void LLVMRustSetInlineAsmDiagnosticHandler( - LLVMContextRef C, LLVMInlineAsmDiagHandlerTy H, void *CX) { - // Diagnostic handlers were unified in LLVM change 5de2d189e6ad, so starting - // with LLVM 13 this function is gone. -#if LLVM_VERSION_LT(13, 0) - unwrap(C)->setInlineAsmDiagnosticHandler(H, CX); -#endif -} - extern "C" LLVMSMDiagnosticRef LLVMRustGetSMDiagnostic( LLVMDiagnosticInfoRef DI, unsigned *Cookie) { -#if LLVM_VERSION_GE(13, 0) llvm::DiagnosticInfoSrcMgr *SM = static_cast<llvm::DiagnosticInfoSrcMgr *>(unwrap(DI)); *Cookie = SM->getLocCookie(); return wrap(&SM->getSMDiag()); -#else - report_fatal_error("Shouldn't get called on older versions"); -#endif } extern "C" bool LLVMRustUnpackSMDiagnostic(LLVMSMDiagnosticRef DRef, @@ -1456,11 +1528,6 @@ extern "C" void LLVMRustSetComdat(LLVMModuleRef M, LLVMValueRef V, } } -extern "C" void LLVMRustUnsetComdat(LLVMValueRef V) { - GlobalObject *GV = unwrap<GlobalObject>(V); - GV->setComdat(nullptr); -} - enum class LLVMRustLinkage { ExternalLinkage = 0, AvailableExternallyLinkage = 1, @@ -1551,6 +1618,14 @@ extern "C" LLVMValueRef LLVMRustConstInBoundsGEP2(LLVMTypeRef Ty, return wrap(ConstantExpr::getInBoundsGetElementPtr(unwrap(Ty), Val, IdxList)); } +extern "C" bool LLVMRustConstIntGetZExtValue(LLVMValueRef CV, uint64_t *value) { + auto C = unwrap<llvm::ConstantInt>(CV); + if (C->getBitWidth() > 64) + return false; + *value = C->getZExtValue(); + return true; +} + // Returns true if both high and low were successfully set. Fails in case constant wasn’t any of // the common sizes (1, 8, 16, 32, 64, 128 bits) extern "C" bool LLVMRustConstInt128Get(LLVMValueRef CV, bool sext, uint64_t *high, uint64_t *low) @@ -1879,3 +1954,16 @@ extern "C" LLVMValueRef LLVMGetAggregateElement(LLVMValueRef C, unsigned Idx) { return wrap(unwrap<Constant>(C)->getAggregateElement(Idx)); } #endif + +extern "C" int32_t LLVMRustGetElementTypeArgIndex(LLVMValueRef CallSite) { +#if LLVM_VERSION_GE(15, 0) + auto *CB = unwrap<CallBase>(CallSite); + switch (CB->getIntrinsicID()) { + case Intrinsic::arm_ldrex: + return 0; + case Intrinsic::arm_strex: + return 1; + } +#endif + return -1; +} diff --git a/compiler/rustc_llvm/src/lib.rs b/compiler/rustc_llvm/src/lib.rs index 8eade02a408..8542dcf5bf0 100644 --- a/compiler/rustc_llvm/src/lib.rs +++ b/compiler/rustc_llvm/src/lib.rs @@ -1,3 +1,5 @@ +#![deny(rustc::untranslatable_diagnostic)] +#![deny(rustc::diagnostic_outside_of_impl)] #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")] // NOTE: This crate only exists to allow linking on mingw targets. |
