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https://github.com/c64scene-ar/llvm-6502.git
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The LLVM diagnostic are now wired-up in clang (since r200931), thus the user experience will not be impacted by this change anymore. Related to <rdar://problem/15886697> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201915 91177308-0d34-0410-b5e6-96231b3b80d8
196 lines
6.3 KiB
C++
196 lines
6.3 KiB
C++
//===-- LLVMContext.cpp - Implement LLVMContext ---------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements LLVMContext, as a wrapper around the opaque
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// class LLVMContextImpl.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/IR/LLVMContext.h"
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#include "LLVMContextImpl.h"
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#include "llvm/IR/Constants.h"
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#include "llvm/IR/DiagnosticInfo.h"
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#include "llvm/IR/DiagnosticPrinter.h"
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#include "llvm/IR/Instruction.h"
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#include "llvm/IR/Metadata.h"
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#include "llvm/Support/ManagedStatic.h"
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#include "llvm/Support/SourceMgr.h"
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#include <cctype>
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using namespace llvm;
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static ManagedStatic<LLVMContext> GlobalContext;
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LLVMContext& llvm::getGlobalContext() {
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return *GlobalContext;
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}
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LLVMContext::LLVMContext() : pImpl(new LLVMContextImpl(*this)) {
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// Create the fixed metadata kinds. This is done in the same order as the
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// MD_* enum values so that they correspond.
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// Create the 'dbg' metadata kind.
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unsigned DbgID = getMDKindID("dbg");
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assert(DbgID == MD_dbg && "dbg kind id drifted"); (void)DbgID;
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// Create the 'tbaa' metadata kind.
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unsigned TBAAID = getMDKindID("tbaa");
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assert(TBAAID == MD_tbaa && "tbaa kind id drifted"); (void)TBAAID;
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// Create the 'prof' metadata kind.
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unsigned ProfID = getMDKindID("prof");
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assert(ProfID == MD_prof && "prof kind id drifted"); (void)ProfID;
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// Create the 'fpmath' metadata kind.
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unsigned FPAccuracyID = getMDKindID("fpmath");
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assert(FPAccuracyID == MD_fpmath && "fpmath kind id drifted");
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(void)FPAccuracyID;
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// Create the 'range' metadata kind.
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unsigned RangeID = getMDKindID("range");
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assert(RangeID == MD_range && "range kind id drifted");
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(void)RangeID;
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// Create the 'tbaa.struct' metadata kind.
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unsigned TBAAStructID = getMDKindID("tbaa.struct");
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assert(TBAAStructID == MD_tbaa_struct && "tbaa.struct kind id drifted");
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(void)TBAAStructID;
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// Create the 'invariant.load' metadata kind.
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unsigned InvariantLdId = getMDKindID("invariant.load");
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assert(InvariantLdId == MD_invariant_load && "invariant.load kind id drifted");
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(void)InvariantLdId;
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}
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LLVMContext::~LLVMContext() { delete pImpl; }
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void LLVMContext::addModule(Module *M) {
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pImpl->OwnedModules.insert(M);
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}
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void LLVMContext::removeModule(Module *M) {
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pImpl->OwnedModules.erase(M);
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}
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//===----------------------------------------------------------------------===//
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// Recoverable Backend Errors
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//===----------------------------------------------------------------------===//
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void LLVMContext::
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setInlineAsmDiagnosticHandler(InlineAsmDiagHandlerTy DiagHandler,
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void *DiagContext) {
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pImpl->InlineAsmDiagHandler = DiagHandler;
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pImpl->InlineAsmDiagContext = DiagContext;
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}
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/// getInlineAsmDiagnosticHandler - Return the diagnostic handler set by
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/// setInlineAsmDiagnosticHandler.
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LLVMContext::InlineAsmDiagHandlerTy
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LLVMContext::getInlineAsmDiagnosticHandler() const {
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return pImpl->InlineAsmDiagHandler;
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}
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/// getInlineAsmDiagnosticContext - Return the diagnostic context set by
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/// setInlineAsmDiagnosticHandler.
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void *LLVMContext::getInlineAsmDiagnosticContext() const {
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return pImpl->InlineAsmDiagContext;
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}
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void LLVMContext::setDiagnosticHandler(DiagnosticHandlerTy DiagnosticHandler,
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void *DiagnosticContext) {
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pImpl->DiagnosticHandler = DiagnosticHandler;
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pImpl->DiagnosticContext = DiagnosticContext;
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}
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LLVMContext::DiagnosticHandlerTy LLVMContext::getDiagnosticHandler() const {
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return pImpl->DiagnosticHandler;
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}
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void *LLVMContext::getDiagnosticContext() const {
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return pImpl->DiagnosticContext;
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}
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void LLVMContext::emitError(const Twine &ErrorStr) {
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diagnose(DiagnosticInfoInlineAsm(ErrorStr));
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}
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void LLVMContext::emitError(const Instruction *I, const Twine &ErrorStr) {
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assert (I && "Invalid instruction");
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diagnose(DiagnosticInfoInlineAsm(*I, ErrorStr));
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}
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void LLVMContext::diagnose(const DiagnosticInfo &DI) {
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// If there is a report handler, use it.
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if (pImpl->DiagnosticHandler != 0) {
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pImpl->DiagnosticHandler(DI, pImpl->DiagnosticContext);
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return;
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}
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// Otherwise, print the message with a prefix based on the severity.
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std::string MsgStorage;
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raw_string_ostream Stream(MsgStorage);
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DiagnosticPrinterRawOStream DP(Stream);
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DI.print(DP);
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Stream.flush();
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switch (DI.getSeverity()) {
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case DS_Error:
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errs() << "error: " << MsgStorage << "\n";
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exit(1);
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case DS_Warning:
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errs() << "warning: " << MsgStorage << "\n";
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break;
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case DS_Note:
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errs() << "note: " << MsgStorage << "\n";
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break;
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}
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}
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void LLVMContext::emitError(unsigned LocCookie, const Twine &ErrorStr) {
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diagnose(DiagnosticInfoInlineAsm(LocCookie, ErrorStr));
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}
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//===----------------------------------------------------------------------===//
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// Metadata Kind Uniquing
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//===----------------------------------------------------------------------===//
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#ifndef NDEBUG
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/// isValidName - Return true if Name is a valid custom metadata handler name.
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static bool isValidName(StringRef MDName) {
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if (MDName.empty())
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return false;
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if (!std::isalpha(static_cast<unsigned char>(MDName[0])))
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return false;
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for (StringRef::iterator I = MDName.begin() + 1, E = MDName.end(); I != E;
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++I) {
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if (!std::isalnum(static_cast<unsigned char>(*I)) && *I != '_' &&
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*I != '-' && *I != '.')
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return false;
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}
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return true;
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}
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#endif
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/// getMDKindID - Return a unique non-zero ID for the specified metadata kind.
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unsigned LLVMContext::getMDKindID(StringRef Name) const {
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assert(isValidName(Name) && "Invalid MDNode name");
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// If this is new, assign it its ID.
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return
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pImpl->CustomMDKindNames.GetOrCreateValue(
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Name, pImpl->CustomMDKindNames.size()).second;
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}
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/// getHandlerNames - Populate client supplied smallvector using custome
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/// metadata name and ID.
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void LLVMContext::getMDKindNames(SmallVectorImpl<StringRef> &Names) const {
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Names.resize(pImpl->CustomMDKindNames.size());
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for (StringMap<unsigned>::const_iterator I = pImpl->CustomMDKindNames.begin(),
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E = pImpl->CustomMDKindNames.end(); I != E; ++I)
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Names[I->second] = I->first();
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}
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