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external/llvm/lib/IR/DiagnosticInfo.cpp
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423
external/llvm/lib/IR/DiagnosticInfo.cpp
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//===- llvm/Support/DiagnosticInfo.cpp - Diagnostic Definitions -*- C++ -*-===//
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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 defines the different classes involved in low level diagnostics.
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//
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// Diagnostics reporting is still done as part of the LLVMContext.
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//===----------------------------------------------------------------------===//
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#include "llvm/IR/DiagnosticInfo.h"
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#include "LLVMContextImpl.h"
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#include "llvm/ADT/StringExtras.h"
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#include "llvm/ADT/Twine.h"
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#include "llvm/ADT/iterator_range.h"
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#include "llvm/IR/BasicBlock.h"
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#include "llvm/IR/Constants.h"
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#include "llvm/IR/DebugInfoMetadata.h"
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#include "llvm/IR/DerivedTypes.h"
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#include "llvm/IR/DiagnosticPrinter.h"
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#include "llvm/IR/Function.h"
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#include "llvm/IR/GlobalValue.h"
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#include "llvm/IR/Instruction.h"
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#include "llvm/IR/LLVMContext.h"
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#include "llvm/IR/Metadata.h"
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#include "llvm/IR/Module.h"
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#include "llvm/IR/Type.h"
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#include "llvm/IR/Value.h"
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#include "llvm/Support/Casting.h"
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#include "llvm/Support/CommandLine.h"
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#include "llvm/Support/ErrorHandling.h"
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#include "llvm/Support/Regex.h"
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#include "llvm/Support/raw_ostream.h"
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#include <atomic>
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#include <cassert>
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#include <memory>
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#include <string>
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using namespace llvm;
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int llvm::getNextAvailablePluginDiagnosticKind() {
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static std::atomic<int> PluginKindID(DK_FirstPluginKind);
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return ++PluginKindID;
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}
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const char *OptimizationRemarkAnalysis::AlwaysPrint = "";
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DiagnosticInfoInlineAsm::DiagnosticInfoInlineAsm(const Instruction &I,
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const Twine &MsgStr,
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DiagnosticSeverity Severity)
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: DiagnosticInfo(DK_InlineAsm, Severity), MsgStr(MsgStr), Instr(&I) {
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if (const MDNode *SrcLoc = I.getMetadata("srcloc")) {
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if (SrcLoc->getNumOperands() != 0)
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if (const auto *CI =
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mdconst::dyn_extract<ConstantInt>(SrcLoc->getOperand(0)))
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LocCookie = CI->getZExtValue();
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}
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}
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void DiagnosticInfoInlineAsm::print(DiagnosticPrinter &DP) const {
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DP << getMsgStr();
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if (getLocCookie())
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DP << " at line " << getLocCookie();
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}
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void DiagnosticInfoResourceLimit::print(DiagnosticPrinter &DP) const {
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DP << getResourceName() << " limit";
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if (getResourceLimit() != 0)
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DP << " of " << getResourceLimit();
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DP << " exceeded (" << getResourceSize() << ") in " << getFunction();
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}
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void DiagnosticInfoDebugMetadataVersion::print(DiagnosticPrinter &DP) const {
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DP << "ignoring debug info with an invalid version (" << getMetadataVersion()
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<< ") in " << getModule();
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}
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void DiagnosticInfoIgnoringInvalidDebugMetadata::print(
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DiagnosticPrinter &DP) const {
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DP << "ignoring invalid debug info in " << getModule().getModuleIdentifier();
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}
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void DiagnosticInfoSampleProfile::print(DiagnosticPrinter &DP) const {
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if (!FileName.empty()) {
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DP << getFileName();
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if (LineNum > 0)
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DP << ":" << getLineNum();
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DP << ": ";
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}
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DP << getMsg();
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}
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void DiagnosticInfoPGOProfile::print(DiagnosticPrinter &DP) const {
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if (getFileName())
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DP << getFileName() << ": ";
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DP << getMsg();
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}
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DiagnosticLocation::DiagnosticLocation(const DebugLoc &DL) {
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if (!DL)
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return;
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Filename = DL->getFilename();
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Line = DL->getLine();
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Column = DL->getColumn();
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}
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DiagnosticLocation::DiagnosticLocation(const DISubprogram *SP) {
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if (!SP)
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return;
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Filename = SP->getFilename();
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Line = SP->getScopeLine();
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Column = 0;
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}
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void DiagnosticInfoWithLocationBase::getLocation(StringRef *Filename,
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unsigned *Line,
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unsigned *Column) const {
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*Filename = Loc.getFilename();
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*Line = Loc.getLine();
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*Column = Loc.getColumn();
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}
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const std::string DiagnosticInfoWithLocationBase::getLocationStr() const {
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StringRef Filename("<unknown>");
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unsigned Line = 0;
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unsigned Column = 0;
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if (isLocationAvailable())
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getLocation(&Filename, &Line, &Column);
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return (Filename + ":" + Twine(Line) + ":" + Twine(Column)).str();
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}
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DiagnosticInfoOptimizationBase::Argument::Argument(StringRef Key, const Value *V)
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: Key(Key) {
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if (auto *F = dyn_cast<Function>(V)) {
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if (DISubprogram *SP = F->getSubprogram())
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Loc = SP;
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}
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else if (auto *I = dyn_cast<Instruction>(V))
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Loc = I->getDebugLoc();
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// Only include names that correspond to user variables. FIXME: we should use
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// debug info if available to get the name of the user variable.
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if (isa<llvm::Argument>(V) || isa<GlobalValue>(V))
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Val = GlobalValue::dropLLVMManglingEscape(V->getName());
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else if (isa<Constant>(V)) {
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raw_string_ostream OS(Val);
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V->printAsOperand(OS, /*PrintType=*/false);
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} else if (auto *I = dyn_cast<Instruction>(V))
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Val = I->getOpcodeName();
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}
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DiagnosticInfoOptimizationBase::Argument::Argument(StringRef Key, const Type *T)
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: Key(Key) {
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raw_string_ostream OS(Val);
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OS << *T;
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}
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DiagnosticInfoOptimizationBase::Argument::Argument(StringRef Key, StringRef S)
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: Key(Key), Val(S.str()) {}
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DiagnosticInfoOptimizationBase::Argument::Argument(StringRef Key, int N)
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: Key(Key), Val(itostr(N)) {}
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DiagnosticInfoOptimizationBase::Argument::Argument(StringRef Key, long N)
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: Key(Key), Val(itostr(N)) {}
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DiagnosticInfoOptimizationBase::Argument::Argument(StringRef Key, long long N)
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: Key(Key), Val(itostr(N)) {}
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DiagnosticInfoOptimizationBase::Argument::Argument(StringRef Key, unsigned N)
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: Key(Key), Val(utostr(N)) {}
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DiagnosticInfoOptimizationBase::Argument::Argument(StringRef Key,
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unsigned long N)
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: Key(Key), Val(utostr(N)) {}
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DiagnosticInfoOptimizationBase::Argument::Argument(StringRef Key,
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unsigned long long N)
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: Key(Key), Val(utostr(N)) {}
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DiagnosticInfoOptimizationBase::Argument::Argument(StringRef Key, DebugLoc Loc)
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: Key(Key), Loc(Loc) {
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if (Loc) {
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Val = (Loc->getFilename() + ":" + Twine(Loc.getLine()) + ":" +
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Twine(Loc.getCol())).str();
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} else {
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Val = "<UNKNOWN LOCATION>";
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}
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}
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void DiagnosticInfoOptimizationBase::print(DiagnosticPrinter &DP) const {
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DP << getLocationStr() << ": " << getMsg();
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if (Hotness)
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DP << " (hotness: " << *Hotness << ")";
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}
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OptimizationRemark::OptimizationRemark(const char *PassName,
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StringRef RemarkName,
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const DiagnosticLocation &Loc,
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const Value *CodeRegion)
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: DiagnosticInfoIROptimization(
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DK_OptimizationRemark, DS_Remark, PassName, RemarkName,
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*cast<BasicBlock>(CodeRegion)->getParent(), Loc, CodeRegion) {}
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OptimizationRemark::OptimizationRemark(const char *PassName,
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StringRef RemarkName,
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const Instruction *Inst)
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: DiagnosticInfoIROptimization(DK_OptimizationRemark, DS_Remark, PassName,
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RemarkName, *Inst->getParent()->getParent(),
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Inst->getDebugLoc(), Inst->getParent()) {}
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// Helper to allow for an assert before attempting to return an invalid
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// reference.
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static const BasicBlock &getFirstFunctionBlock(const Function *Func) {
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assert(!Func->empty() && "Function does not have a body");
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return Func->front();
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}
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OptimizationRemark::OptimizationRemark(const char *PassName,
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StringRef RemarkName,
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const Function *Func)
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: DiagnosticInfoIROptimization(DK_OptimizationRemark, DS_Remark, PassName,
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RemarkName, *Func, Func->getSubprogram(),
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&getFirstFunctionBlock(Func)) {}
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bool OptimizationRemark::isEnabled() const {
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const Function &Fn = getFunction();
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LLVMContext &Ctx = Fn.getContext();
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return Ctx.getDiagHandlerPtr()->isPassedOptRemarkEnabled(getPassName());
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}
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OptimizationRemarkMissed::OptimizationRemarkMissed(
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const char *PassName, StringRef RemarkName, const DiagnosticLocation &Loc,
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const Value *CodeRegion)
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: DiagnosticInfoIROptimization(
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DK_OptimizationRemarkMissed, DS_Remark, PassName, RemarkName,
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*cast<BasicBlock>(CodeRegion)->getParent(), Loc, CodeRegion) {}
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OptimizationRemarkMissed::OptimizationRemarkMissed(const char *PassName,
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StringRef RemarkName,
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const Instruction *Inst)
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: DiagnosticInfoIROptimization(DK_OptimizationRemarkMissed, DS_Remark,
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PassName, RemarkName,
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*Inst->getParent()->getParent(),
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Inst->getDebugLoc(), Inst->getParent()) {}
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bool OptimizationRemarkMissed::isEnabled() const {
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const Function &Fn = getFunction();
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LLVMContext &Ctx = Fn.getContext();
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return Ctx.getDiagHandlerPtr()->isMissedOptRemarkEnabled(getPassName());
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}
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OptimizationRemarkAnalysis::OptimizationRemarkAnalysis(
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const char *PassName, StringRef RemarkName, const DiagnosticLocation &Loc,
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const Value *CodeRegion)
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: DiagnosticInfoIROptimization(
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DK_OptimizationRemarkAnalysis, DS_Remark, PassName, RemarkName,
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*cast<BasicBlock>(CodeRegion)->getParent(), Loc, CodeRegion) {}
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OptimizationRemarkAnalysis::OptimizationRemarkAnalysis(const char *PassName,
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StringRef RemarkName,
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const Instruction *Inst)
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: DiagnosticInfoIROptimization(DK_OptimizationRemarkAnalysis, DS_Remark,
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PassName, RemarkName,
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*Inst->getParent()->getParent(),
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Inst->getDebugLoc(), Inst->getParent()) {}
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OptimizationRemarkAnalysis::OptimizationRemarkAnalysis(
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enum DiagnosticKind Kind, const char *PassName, StringRef RemarkName,
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const DiagnosticLocation &Loc, const Value *CodeRegion)
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: DiagnosticInfoIROptimization(Kind, DS_Remark, PassName, RemarkName,
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*cast<BasicBlock>(CodeRegion)->getParent(),
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Loc, CodeRegion) {}
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bool OptimizationRemarkAnalysis::isEnabled() const {
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const Function &Fn = getFunction();
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LLVMContext &Ctx = Fn.getContext();
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return Ctx.getDiagHandlerPtr()->isAnalysisRemarkEnabled(getPassName()) ||
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shouldAlwaysPrint();
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}
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void DiagnosticInfoMIRParser::print(DiagnosticPrinter &DP) const {
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DP << Diagnostic;
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}
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DiagnosticInfoOptimizationFailure::DiagnosticInfoOptimizationFailure(
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const char *PassName, StringRef RemarkName, const DiagnosticLocation &Loc,
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const Value *CodeRegion)
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: DiagnosticInfoIROptimization(
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DK_OptimizationFailure, DS_Warning, PassName, RemarkName,
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*cast<BasicBlock>(CodeRegion)->getParent(), Loc, CodeRegion) {}
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bool DiagnosticInfoOptimizationFailure::isEnabled() const {
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// Only print warnings.
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return getSeverity() == DS_Warning;
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}
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void DiagnosticInfoUnsupported::print(DiagnosticPrinter &DP) const {
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std::string Str;
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raw_string_ostream OS(Str);
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OS << getLocationStr() << ": in function " << getFunction().getName() << ' '
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<< *getFunction().getFunctionType() << ": " << Msg << '\n';
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OS.flush();
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DP << Str;
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}
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void DiagnosticInfoISelFallback::print(DiagnosticPrinter &DP) const {
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DP << "Instruction selection used fallback path for " << getFunction();
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}
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void DiagnosticInfoOptimizationBase::insert(StringRef S) {
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Args.emplace_back(S);
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}
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void DiagnosticInfoOptimizationBase::insert(Argument A) {
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Args.push_back(std::move(A));
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}
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void DiagnosticInfoOptimizationBase::insert(setIsVerbose V) {
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IsVerbose = true;
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}
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void DiagnosticInfoOptimizationBase::insert(setExtraArgs EA) {
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FirstExtraArgIndex = Args.size();
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}
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std::string DiagnosticInfoOptimizationBase::getMsg() const {
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std::string Str;
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raw_string_ostream OS(Str);
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for (const DiagnosticInfoOptimizationBase::Argument &Arg :
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make_range(Args.begin(), FirstExtraArgIndex == -1
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? Args.end()
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: Args.begin() + FirstExtraArgIndex))
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OS << Arg.Val;
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return OS.str();
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}
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namespace llvm {
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namespace yaml {
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void MappingTraits<DiagnosticInfoOptimizationBase *>::mapping(
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IO &io, DiagnosticInfoOptimizationBase *&OptDiag) {
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assert(io.outputting() && "input not yet implemented");
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if (io.mapTag("!Passed",
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(OptDiag->getKind() == DK_OptimizationRemark ||
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OptDiag->getKind() == DK_MachineOptimizationRemark)))
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;
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else if (io.mapTag(
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"!Missed",
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(OptDiag->getKind() == DK_OptimizationRemarkMissed ||
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OptDiag->getKind() == DK_MachineOptimizationRemarkMissed)))
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;
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else if (io.mapTag(
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"!Analysis",
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(OptDiag->getKind() == DK_OptimizationRemarkAnalysis ||
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OptDiag->getKind() == DK_MachineOptimizationRemarkAnalysis)))
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;
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else if (io.mapTag("!AnalysisFPCommute",
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OptDiag->getKind() ==
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DK_OptimizationRemarkAnalysisFPCommute))
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;
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else if (io.mapTag("!AnalysisAliasing",
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OptDiag->getKind() ==
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DK_OptimizationRemarkAnalysisAliasing))
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;
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else if (io.mapTag("!Failure", OptDiag->getKind() == DK_OptimizationFailure))
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;
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else
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llvm_unreachable("Unknown remark type");
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// These are read-only for now.
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DiagnosticLocation DL = OptDiag->getLocation();
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StringRef FN =
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GlobalValue::dropLLVMManglingEscape(OptDiag->getFunction().getName());
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StringRef PassName(OptDiag->PassName);
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io.mapRequired("Pass", PassName);
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io.mapRequired("Name", OptDiag->RemarkName);
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if (!io.outputting() || DL.isValid())
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io.mapOptional("DebugLoc", DL);
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io.mapRequired("Function", FN);
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io.mapOptional("Hotness", OptDiag->Hotness);
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io.mapOptional("Args", OptDiag->Args);
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}
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template <> struct MappingTraits<DiagnosticLocation> {
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static void mapping(IO &io, DiagnosticLocation &DL) {
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assert(io.outputting() && "input not yet implemented");
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StringRef File = DL.getFilename();
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unsigned Line = DL.getLine();
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unsigned Col = DL.getColumn();
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io.mapRequired("File", File);
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io.mapRequired("Line", Line);
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io.mapRequired("Column", Col);
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}
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static const bool flow = true;
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};
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// Implement this as a mapping for now to get proper quotation for the value.
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template <> struct MappingTraits<DiagnosticInfoOptimizationBase::Argument> {
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static void mapping(IO &io, DiagnosticInfoOptimizationBase::Argument &A) {
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assert(io.outputting() && "input not yet implemented");
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io.mapRequired(A.Key.data(), A.Val);
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if (A.Loc.isValid())
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io.mapOptional("DebugLoc", A.Loc);
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}
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};
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} // end namespace yaml
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} // end namespace llvm
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LLVM_YAML_IS_SEQUENCE_VECTOR(DiagnosticInfoOptimizationBase::Argument)
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