// Diagnostics reporting is still done as part of the LLVMContext.
//===----------------------------------------------------------------------===//
-#ifndef LLVM_SUPPORT_DIAGNOSTICINFO_H
-#define LLVM_SUPPORT_DIAGNOSTICINFO_H
+#ifndef LLVM_IR_DIAGNOSTICINFO_H
+#define LLVM_IR_DIAGNOSTICINFO_H
+#include "llvm-c/Core.h"
#include "llvm/ADT/ArrayRef.h"
+#include "llvm/IR/DebugLoc.h"
+#include "llvm/IR/Module.h"
#include "llvm/Support/Casting.h"
namespace llvm {
class DiagnosticPrinter;
class Function;
class Instruction;
+class LLVMContextImpl;
class Twine;
class Value;
+class DebugLoc;
/// \brief Defines the different supported severity of a diagnostic.
enum DiagnosticSeverity {
enum DiagnosticKind {
DK_InlineAsm,
DK_StackSize,
+ DK_Linker,
DK_DebugMetadataVersion,
+ DK_SampleProfile,
+ DK_OptimizationRemark,
+ DK_OptimizationRemarkMissed,
+ DK_OptimizationRemarkAnalysis,
+ DK_OptimizationFailure,
DK_FirstPluginKind
};
DiagnosticInfoInlineAsm(const Twine &MsgStr,
DiagnosticSeverity Severity = DS_Error)
: DiagnosticInfo(DK_InlineAsm, Severity), LocCookie(0), MsgStr(MsgStr),
- Instr(NULL) {}
+ Instr(nullptr) {}
/// \p LocCookie if non-zero gives the line number for this report.
/// \p MsgStr gives the message.
DiagnosticInfoInlineAsm(unsigned LocCookie, const Twine &MsgStr,
DiagnosticSeverity Severity = DS_Error)
: DiagnosticInfo(DK_InlineAsm, Severity), LocCookie(LocCookie),
- MsgStr(MsgStr), Instr(NULL) {}
+ MsgStr(MsgStr), Instr(nullptr) {}
/// \p Instr gives the original instruction that triggered the diagnostic.
/// \p MsgStr gives the message.
/// \see DiagnosticInfo::print.
void print(DiagnosticPrinter &DP) const override;
- /// Hand rolled RTTI.
static bool classof(const DiagnosticInfo *DI) {
return DI->getKind() == DK_InlineAsm;
}
/// \see DiagnosticInfo::print.
void print(DiagnosticPrinter &DP) const override;
- /// Hand rolled RTTI.
static bool classof(const DiagnosticInfo *DI) {
return DI->getKind() == DK_StackSize;
}
/// \see DiagnosticInfo::print.
void print(DiagnosticPrinter &DP) const override;
- /// Hand rolled RTTI.
static bool classof(const DiagnosticInfo *DI) {
return DI->getKind() == DK_DebugMetadataVersion;
}
};
+/// Diagnostic information for the sample profiler.
+class DiagnosticInfoSampleProfile : public DiagnosticInfo {
+public:
+ DiagnosticInfoSampleProfile(const char *FileName, unsigned LineNum,
+ const Twine &Msg,
+ DiagnosticSeverity Severity = DS_Error)
+ : DiagnosticInfo(DK_SampleProfile, Severity), FileName(FileName),
+ LineNum(LineNum), Msg(Msg) {}
+ DiagnosticInfoSampleProfile(const char *FileName, const Twine &Msg,
+ DiagnosticSeverity Severity = DS_Error)
+ : DiagnosticInfo(DK_SampleProfile, Severity), FileName(FileName),
+ LineNum(0), Msg(Msg) {}
+ DiagnosticInfoSampleProfile(const Twine &Msg,
+ DiagnosticSeverity Severity = DS_Error)
+ : DiagnosticInfo(DK_SampleProfile, Severity), FileName(nullptr),
+ LineNum(0), Msg(Msg) {}
+
+ /// \see DiagnosticInfo::print.
+ void print(DiagnosticPrinter &DP) const override;
+
+ static bool classof(const DiagnosticInfo *DI) {
+ return DI->getKind() == DK_SampleProfile;
+ }
+
+ const char *getFileName() const { return FileName; }
+ unsigned getLineNum() const { return LineNum; }
+ const Twine &getMsg() const { return Msg; }
+
+private:
+ /// Name of the input file associated with this diagnostic.
+ const char *FileName;
+
+ /// Line number where the diagnostic occurred. If 0, no line number will
+ /// be emitted in the message.
+ unsigned LineNum;
+
+ /// Message to report.
+ const Twine &Msg;
+};
+
+/// Common features for diagnostics dealing with optimization remarks.
+class DiagnosticInfoOptimizationBase : public DiagnosticInfo {
+public:
+ /// \p PassName is the name of the pass emitting this diagnostic.
+ /// \p Fn is the function where the diagnostic is being emitted. \p DLoc is
+ /// the location information to use in the diagnostic. If line table
+ /// information is available, the diagnostic will include the source code
+ /// location. \p Msg is the message to show. Note that this class does not
+ /// copy this message, so this reference must be valid for the whole life time
+ /// of the diagnostic.
+ DiagnosticInfoOptimizationBase(enum DiagnosticKind Kind,
+ enum DiagnosticSeverity Severity,
+ const char *PassName, const Function &Fn,
+ const DebugLoc &DLoc, const Twine &Msg)
+ : DiagnosticInfo(Kind, Severity), PassName(PassName), Fn(Fn), DLoc(DLoc),
+ Msg(Msg) {}
+
+ /// \see DiagnosticInfo::print.
+ void print(DiagnosticPrinter &DP) const override;
+
+ static bool classof(const DiagnosticInfo *DI) {
+ return DI->getKind() == DK_OptimizationRemark;
+ }
+
+ /// Return true if this optimization remark is enabled by one of
+ /// of the LLVM command line flags (-pass-remarks, -pass-remarks-missed,
+ /// or -pass-remarks-analysis). Note that this only handles the LLVM
+ /// flags. We cannot access Clang flags from here (they are handled
+ /// in BackendConsumer::OptimizationRemarkHandler).
+ virtual bool isEnabled() const = 0;
+
+ /// Return true if location information is available for this diagnostic.
+ bool isLocationAvailable() const;
+
+ /// Return a string with the location information for this diagnostic
+ /// in the format "file:line:col". If location information is not available,
+ /// it returns "<unknown>:0:0".
+ const std::string getLocationStr() const;
+
+ /// Return location information for this diagnostic in three parts:
+ /// the source file name, line number and column.
+ void getLocation(StringRef *Filename, unsigned *Line, unsigned *Column) const;
+
+ const char *getPassName() const { return PassName; }
+ const Function &getFunction() const { return Fn; }
+ const DebugLoc &getDebugLoc() const { return DLoc; }
+ const Twine &getMsg() const { return Msg; }
+
+private:
+ /// Name of the pass that triggers this report. If this matches the
+ /// regular expression given in -Rpass=regexp, then the remark will
+ /// be emitted.
+ const char *PassName;
+
+ /// Function where this diagnostic is triggered.
+ const Function &Fn;
+
+ /// Debug location where this diagnostic is triggered.
+ DebugLoc DLoc;
+
+ /// Message to report.
+ const Twine &Msg;
+};
+
+/// Diagnostic information for applied optimization remarks.
+class DiagnosticInfoOptimizationRemark : public DiagnosticInfoOptimizationBase {
+public:
+ /// \p PassName is the name of the pass emitting this diagnostic. If
+ /// this name matches the regular expression given in -Rpass=, then the
+ /// diagnostic will be emitted. \p Fn is the function where the diagnostic
+ /// is being emitted. \p DLoc is the location information to use in the
+ /// diagnostic. If line table information is available, the diagnostic
+ /// will include the source code location. \p Msg is the message to show.
+ /// Note that this class does not copy this message, so this reference
+ /// must be valid for the whole life time of the diagnostic.
+ DiagnosticInfoOptimizationRemark(const char *PassName, const Function &Fn,
+ const DebugLoc &DLoc, const Twine &Msg)
+ : DiagnosticInfoOptimizationBase(DK_OptimizationRemark, DS_Remark,
+ PassName, Fn, DLoc, Msg) {}
+
+ static bool classof(const DiagnosticInfo *DI) {
+ return DI->getKind() == DK_OptimizationRemark;
+ }
+
+ /// \see DiagnosticInfoOptimizationBase::isEnabled.
+ bool isEnabled() const override;
+};
+
+/// Diagnostic information for missed-optimization remarks.
+class DiagnosticInfoOptimizationRemarkMissed
+ : public DiagnosticInfoOptimizationBase {
+public:
+ /// \p PassName is the name of the pass emitting this diagnostic. If
+ /// this name matches the regular expression given in -Rpass-missed=, then the
+ /// diagnostic will be emitted. \p Fn is the function where the diagnostic
+ /// is being emitted. \p DLoc is the location information to use in the
+ /// diagnostic. If line table information is available, the diagnostic
+ /// will include the source code location. \p Msg is the message to show.
+ /// Note that this class does not copy this message, so this reference
+ /// must be valid for the whole life time of the diagnostic.
+ DiagnosticInfoOptimizationRemarkMissed(const char *PassName,
+ const Function &Fn,
+ const DebugLoc &DLoc, const Twine &Msg)
+ : DiagnosticInfoOptimizationBase(DK_OptimizationRemarkMissed, DS_Remark,
+ PassName, Fn, DLoc, Msg) {}
+
+ static bool classof(const DiagnosticInfo *DI) {
+ return DI->getKind() == DK_OptimizationRemarkMissed;
+ }
+
+ /// \see DiagnosticInfoOptimizationBase::isEnabled.
+ bool isEnabled() const override;
+};
+
+/// Diagnostic information for optimization analysis remarks.
+class DiagnosticInfoOptimizationRemarkAnalysis
+ : public DiagnosticInfoOptimizationBase {
+public:
+ /// \p PassName is the name of the pass emitting this diagnostic. If
+ /// this name matches the regular expression given in -Rpass-analysis=, then
+ /// the diagnostic will be emitted. \p Fn is the function where the diagnostic
+ /// is being emitted. \p DLoc is the location information to use in the
+ /// diagnostic. If line table information is available, the diagnostic will
+ /// include the source code location. \p Msg is the message to show. Note that
+ /// this class does not copy this message, so this reference must be valid for
+ /// the whole life time of the diagnostic.
+ DiagnosticInfoOptimizationRemarkAnalysis(const char *PassName,
+ const Function &Fn,
+ const DebugLoc &DLoc,
+ const Twine &Msg)
+ : DiagnosticInfoOptimizationBase(DK_OptimizationRemarkAnalysis, DS_Remark,
+ PassName, Fn, DLoc, Msg) {}
+
+ static bool classof(const DiagnosticInfo *DI) {
+ return DI->getKind() == DK_OptimizationRemarkAnalysis;
+ }
+
+ /// \see DiagnosticInfoOptimizationBase::isEnabled.
+ bool isEnabled() const override;
+};
+
+// Create wrappers for C Binding types (see CBindingWrapping.h).
+DEFINE_SIMPLE_CONVERSION_FUNCTIONS(DiagnosticInfo, LLVMDiagnosticInfoRef)
+
+/// Emit an optimization-applied message. \p PassName is the name of the pass
+/// emitting the message. If -Rpass= is given and \p PassName matches the
+/// regular expression in -Rpass, then the remark will be emitted. \p Fn is
+/// the function triggering the remark, \p DLoc is the debug location where
+/// the diagnostic is generated. \p Msg is the message string to use.
+void emitOptimizationRemark(LLVMContext &Ctx, const char *PassName,
+ const Function &Fn, const DebugLoc &DLoc,
+ const Twine &Msg);
+
+/// Emit an optimization-missed message. \p PassName is the name of the
+/// pass emitting the message. If -Rpass-missed= is given and \p PassName
+/// matches the regular expression in -Rpass, then the remark will be
+/// emitted. \p Fn is the function triggering the remark, \p DLoc is the
+/// debug location where the diagnostic is generated. \p Msg is the
+/// message string to use.
+void emitOptimizationRemarkMissed(LLVMContext &Ctx, const char *PassName,
+ const Function &Fn, const DebugLoc &DLoc,
+ const Twine &Msg);
+
+/// Emit an optimization analysis remark message. \p PassName is the name of
+/// the pass emitting the message. If -Rpass-analysis= is given and \p
+/// PassName matches the regular expression in -Rpass, then the remark will be
+/// emitted. \p Fn is the function triggering the remark, \p DLoc is the debug
+/// location where the diagnostic is generated. \p Msg is the message string
+/// to use.
+void emitOptimizationRemarkAnalysis(LLVMContext &Ctx, const char *PassName,
+ const Function &Fn, const DebugLoc &DLoc,
+ const Twine &Msg);
+
+/// Diagnostic information for optimization failures.
+class DiagnosticInfoOptimizationFailure
+ : public DiagnosticInfoOptimizationBase {
+public:
+ /// \p Fn is the function where the diagnostic is being emitted. \p DLoc is
+ /// the location information to use in the diagnostic. If line table
+ /// information is available, the diagnostic will include the source code
+ /// location. \p Msg is the message to show. Note that this class does not
+ /// copy this message, so this reference must be valid for the whole life time
+ /// of the diagnostic.
+ DiagnosticInfoOptimizationFailure(const Function &Fn, const DebugLoc &DLoc,
+ const Twine &Msg)
+ : DiagnosticInfoOptimizationBase(DK_OptimizationFailure, DS_Warning,
+ nullptr, Fn, DLoc, Msg) {}
+
+ static bool classof(const DiagnosticInfo *DI) {
+ return DI->getKind() == DK_OptimizationFailure;
+ }
+
+ /// \see DiagnosticInfoOptimizationBase::isEnabled.
+ bool isEnabled() const override;
+};
+
+/// Emit a warning when loop vectorization is specified but fails. \p Fn is the
+/// function triggering the warning, \p DLoc is the debug location where the
+/// diagnostic is generated. \p Msg is the message string to use.
+void emitLoopVectorizeWarning(LLVMContext &Ctx, const Function &Fn,
+ const DebugLoc &DLoc, const Twine &Msg);
+
+/// Emit a warning when loop interleaving is specified but fails. \p Fn is the
+/// function triggering the warning, \p DLoc is the debug location where the
+/// diagnostic is generated. \p Msg is the message string to use.
+void emitLoopInterleaveWarning(LLVMContext &Ctx, const Function &Fn,
+ const DebugLoc &DLoc, const Twine &Msg);
+
} // End namespace llvm
#endif
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