DIBuilder: Delete dead code, NFC

[oota-llvm.git] / include / llvm / IR / DiagnosticInfo.h

diff --git a/include/llvm/IR/DiagnosticInfo.h b/include/llvm/IR/DiagnosticInfo.h
index 8e334c996d95eb7a10b7ba790a9f54081e8d30ba..ac21eb5024b8e4607dbe2354377ec85f4156c880 100644 (file)
--- a/include/llvm/IR/DiagnosticInfo.h
+++ b/include/llvm/IR/DiagnosticInfo.h
@@ -12,12 +12,13 @@
 // 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 {
@@ -51,6 +52,7 @@ enum DiagnosticKind {
   DK_OptimizationRemark,
   DK_OptimizationRemarkMissed,
   DK_OptimizationRemarkAnalysis,
+  DK_OptimizationFailure,
   DK_FirstPluginKind
 };
 
@@ -138,7 +140,6 @@ public:
   /// \see DiagnosticInfo::print.
   void print(DiagnosticPrinter &DP) const override;
 
-  /// Hand rolled RTTI.
   static bool classof(const DiagnosticInfo *DI) {
     return DI->getKind() == DK_InlineAsm;
   }
@@ -166,7 +167,6 @@ public:
   /// \see DiagnosticInfo::print.
   void print(DiagnosticPrinter &DP) const override;
 
-  /// Hand rolled RTTI.
   static bool classof(const DiagnosticInfo *DI) {
     return DI->getKind() == DK_StackSize;
   }
@@ -195,7 +195,6 @@ public:
   /// \see DiagnosticInfo::print.
   void print(DiagnosticPrinter &DP) const override;
 
-  /// Hand rolled RTTI.
   static bool classof(const DiagnosticInfo *DI) {
     return DI->getKind() == DK_DebugMetadataVersion;
   }
@@ -221,7 +220,6 @@ public:
   /// \see DiagnosticInfo::print.
   void print(DiagnosticPrinter &DP) const override;
 
-  /// Hand rolled RTTI.
   static bool classof(const DiagnosticInfo *DI) {
     return DI->getKind() == DK_SampleProfile;
   }
@@ -243,7 +241,7 @@ private:
 };
 
 /// Common features for diagnostics dealing with optimization remarks.
-class DiagnosticInfoOptimizationRemarkBase : public DiagnosticInfo {
+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
@@ -252,16 +250,16 @@ public:
   /// 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.
-  DiagnosticInfoOptimizationRemarkBase(enum DiagnosticKind Kind,
-                                       const char *PassName, const Function &Fn,
-                                       const DebugLoc &DLoc, const Twine &Msg)
-      : DiagnosticInfo(Kind, DS_Remark), PassName(PassName), Fn(Fn), DLoc(DLoc),
+  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;
 
-  /// Hand rolled RTTI.
   static bool classof(const DiagnosticInfo *DI) {
     return DI->getKind() == DK_OptimizationRemark;
   }
@@ -271,10 +269,7 @@ public:
   /// 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).
-  ///
-  /// \p pImpl points to the current LLVM context. It is needed to query the
-  /// value of the command line flag associated with this remark.
-  virtual bool isEnabled(LLVMContextImpl *pImpl) const = 0;
+  virtual bool isEnabled() const = 0;
 
   /// Return true if location information is available for this diagnostic.
   bool isLocationAvailable() const;
@@ -310,8 +305,7 @@ private:
 };
 
 /// Diagnostic information for applied optimization remarks.
-class DiagnosticInfoOptimizationRemark
-    : public DiagnosticInfoOptimizationRemarkBase {
+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
@@ -323,21 +317,20 @@ public:
   /// must be valid for the whole life time of the diagnostic.
   DiagnosticInfoOptimizationRemark(const char *PassName, const Function &Fn,
                                    const DebugLoc &DLoc, const Twine &Msg)
-      : DiagnosticInfoOptimizationRemarkBase(DK_OptimizationRemark, PassName,
-                                             Fn, DLoc, Msg) {}
+      : DiagnosticInfoOptimizationBase(DK_OptimizationRemark, DS_Remark,
+                                       PassName, Fn, DLoc, Msg) {}
 
-  /// Hand rolled RTTI
   static bool classof(const DiagnosticInfo *DI) {
     return DI->getKind() == DK_OptimizationRemark;
   }
 
-  /// \see DiagnosticInfoOptimizationRemarkBase::isEnabled.
-  virtual bool isEnabled(LLVMContextImpl *pImpl) const override;
+  /// \see DiagnosticInfoOptimizationBase::isEnabled.
+  bool isEnabled() const override;
 };
 
 /// Diagnostic information for missed-optimization remarks.
 class DiagnosticInfoOptimizationRemarkMissed
-    : public DiagnosticInfoOptimizationRemarkBase {
+    : 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
@@ -350,21 +343,20 @@ public:
   DiagnosticInfoOptimizationRemarkMissed(const char *PassName,
                                          const Function &Fn,
                                          const DebugLoc &DLoc, const Twine &Msg)
-      : DiagnosticInfoOptimizationRemarkBase(DK_OptimizationRemarkMissed,
-                                             PassName, Fn, DLoc, Msg) {}
+      : DiagnosticInfoOptimizationBase(DK_OptimizationRemarkMissed, DS_Remark,
+                                       PassName, Fn, DLoc, Msg) {}
 
-  /// Hand rolled RTTI
   static bool classof(const DiagnosticInfo *DI) {
     return DI->getKind() == DK_OptimizationRemarkMissed;
   }
 
-  /// \see DiagnosticInfoOptimizationRemarkBase::isEnabled.
-  virtual bool isEnabled(LLVMContextImpl *pImpl) const override;
+  /// \see DiagnosticInfoOptimizationBase::isEnabled.
+  bool isEnabled() const override;
 };
 
 /// Diagnostic information for optimization analysis remarks.
 class DiagnosticInfoOptimizationRemarkAnalysis
-    : public DiagnosticInfoOptimizationRemarkBase {
+    : 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
@@ -378,16 +370,15 @@ public:
                                            const Function &Fn,
                                            const DebugLoc &DLoc,
                                            const Twine &Msg)
-      : DiagnosticInfoOptimizationRemarkBase(DK_OptimizationRemarkAnalysis,
-                                             PassName, Fn, DLoc, Msg) {}
+      : DiagnosticInfoOptimizationBase(DK_OptimizationRemarkAnalysis, DS_Remark,
+                                       PassName, Fn, DLoc, Msg) {}
 
-  /// Hand rolled RTTI
   static bool classof(const DiagnosticInfo *DI) {
     return DI->getKind() == DK_OptimizationRemarkAnalysis;
   }
 
-  /// \see DiagnosticInfoOptimizationRemarkBase::isEnabled.
-  virtual bool isEnabled(LLVMContextImpl *pImpl) const override;
+  /// \see DiagnosticInfoOptimizationBase::isEnabled.
+  bool isEnabled() const override;
 };
 
 // Create wrappers for C Binding types (see CBindingWrapping.h).
@@ -422,6 +413,41 @@ 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