[llvm] r259035 - Add backend dignostic printer for unsupported features

Oliver Stannard via llvm-commits llvm-commits at lists.llvm.org
Thu Jan 28 02:07:28 PST 2016


Author: olista01
Date: Thu Jan 28 04:07:27 2016
New Revision: 259035

URL: http://llvm.org/viewvc/llvm-project?rev=259035&view=rev
Log:
Add backend dignostic printer for unsupported features

Re-commit of r258951 after fixing layering violation.

The related LLVM patch adds a backend diagnostic type for reporting
unsupported features, this adds a printer for them to clang.

In the case where debug location information is not available, I've
changed the printer to report the location as the first line of the
function, rather than the closing brace, as the latter does not give the
user any information. This also affects optimisation remarks.

Differential Revision: http://reviews.llvm.org/D16590


Added:
    llvm/trunk/include/llvm/CodeGen/DiagnosticInfoCodeGen.h
    llvm/trunk/lib/CodeGen/DiagnosticInfoCodeGen.cpp
Removed:
    llvm/trunk/lib/Target/AMDGPU/AMDGPUDiagnosticInfoUnsupported.cpp
    llvm/trunk/lib/Target/AMDGPU/AMDGPUDiagnosticInfoUnsupported.h
Modified:
    llvm/trunk/include/llvm/IR/DiagnosticInfo.h
    llvm/trunk/lib/CodeGen/CMakeLists.txt
    llvm/trunk/lib/IR/DiagnosticInfo.cpp
    llvm/trunk/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp
    llvm/trunk/lib/Target/AMDGPU/AMDGPUISelLowering.cpp
    llvm/trunk/lib/Target/AMDGPU/CMakeLists.txt
    llvm/trunk/lib/Target/AMDGPU/SIISelLowering.cpp
    llvm/trunk/lib/Target/BPF/BPFISelLowering.cpp
    llvm/trunk/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
    llvm/trunk/test/CodeGen/AMDGPU/addrspacecast.ll
    llvm/trunk/test/CodeGen/AMDGPU/call.ll
    llvm/trunk/test/CodeGen/AMDGPU/dynamic_stackalloc.ll
    llvm/trunk/test/CodeGen/AMDGPU/global-zero-initializer.ll
    llvm/trunk/test/CodeGen/AMDGPU/lds-initializer.ll
    llvm/trunk/test/CodeGen/AMDGPU/lds-zero-initializer.ll
    llvm/trunk/test/CodeGen/AMDGPU/llvm.amdgcn.dispatch.ptr.ll
    llvm/trunk/test/CodeGen/AMDGPU/no-hsa-graphics-shaders.ll
    llvm/trunk/test/CodeGen/AMDGPU/promote-alloca-bitcast-function.ll

Added: llvm/trunk/include/llvm/CodeGen/DiagnosticInfoCodeGen.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/CodeGen/DiagnosticInfoCodeGen.h?rev=259035&view=auto
==============================================================================
--- llvm/trunk/include/llvm/CodeGen/DiagnosticInfoCodeGen.h (added)
+++ llvm/trunk/include/llvm/CodeGen/DiagnosticInfoCodeGen.h Thu Jan 28 04:07:27 2016
@@ -0,0 +1,55 @@
+//===- llvm/Support/DiagnosticInfoCodeGen.h - Diagnostic Declaration ---*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file declares the different classes involved in codegen diagnostics.
+//
+// Diagnostics reporting is still done as part of the LLVMContext.
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CODEGEN_DIAGNOSTICINFOCODEGEN_H
+#define LLVM_CODEGEN_DIAGNOSTICINFOCODEGEN_H
+
+#include "llvm/CodeGen/SelectionDAG.h"
+#include "llvm/IR/DiagnosticInfo.h"
+#include "llvm/IR/DiagnosticPrinter.h"
+
+namespace llvm {
+
+/// Diagnostic information for unsupported feature in backend.
+class DiagnosticInfoUnsupported
+    : public DiagnosticInfoWithDebugLocBase {
+private:
+  const Twine &Msg;
+  const SDValue Value;
+
+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.
+  DiagnosticInfoUnsupported(const Function &Fn, const Twine &Msg,
+                            SDLoc DLoc = SDLoc(), SDValue Value = SDValue())
+      : DiagnosticInfoWithDebugLocBase(DK_Unsupported, DS_Error, Fn,
+                                       DLoc.getDebugLoc()),
+        Msg(Msg), Value(Value) {}
+
+  static bool classof(const DiagnosticInfo *DI) {
+    return DI->getKind() == DK_Unsupported;
+  }
+
+  const Twine &getMessage() const { return Msg; }
+
+  void print(DiagnosticPrinter &DP) const;
+};
+
+}
+
+#endif

Modified: llvm/trunk/include/llvm/IR/DiagnosticInfo.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/IR/DiagnosticInfo.h?rev=259035&r1=259034&r2=259035&view=diff
==============================================================================
--- llvm/trunk/include/llvm/IR/DiagnosticInfo.h (original)
+++ llvm/trunk/include/llvm/IR/DiagnosticInfo.h Thu Jan 28 04:07:27 2016
@@ -60,6 +60,7 @@ enum DiagnosticKind {
   DK_OptimizationFailure,
   DK_MIRParser,
   DK_PGOProfile,
+  DK_Unsupported,
   DK_FirstPluginKind
 };
 
@@ -275,8 +276,42 @@ private:
   const Twine &Msg;
 };
 
+/// Common features for diagnostics with an associated DebugLoc
+class DiagnosticInfoWithDebugLocBase : public DiagnosticInfo {
+public:
+  /// \p Fn is the function where the diagnostic is being emitted. \p DLoc is
+  /// the location information to use in the diagnostic.
+  DiagnosticInfoWithDebugLocBase(enum DiagnosticKind Kind,
+                                 enum DiagnosticSeverity Severity,
+                                 const Function &Fn,
+                                 const DebugLoc &DLoc)
+      : DiagnosticInfo(Kind, Severity), Fn(Fn), DLoc(DLoc) {}
+
+  /// 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 Function &getFunction() const { return Fn; }
+  const DebugLoc &getDebugLoc() const { return DLoc; }
+
+private:
+  /// Function where this diagnostic is triggered.
+  const Function &Fn;
+
+  /// Debug location where this diagnostic is triggered.
+  DebugLoc DLoc;
+};
+
 /// Common features for diagnostics dealing with optimization remarks.
-class DiagnosticInfoOptimizationBase : public DiagnosticInfo {
+class DiagnosticInfoOptimizationBase : public DiagnosticInfoWithDebugLocBase {
 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
@@ -289,8 +324,8 @@ public:
                                  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) {}
+      : DiagnosticInfoWithDebugLocBase(Kind, Severity, Fn, DLoc),
+        PassName(PassName), Msg(Msg) {}
 
   /// \see DiagnosticInfo::print.
   void print(DiagnosticPrinter &DP) const override;
@@ -302,21 +337,7 @@ public:
   /// 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:
@@ -325,12 +346,6 @@ private:
   /// 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;
 };

Modified: llvm/trunk/lib/CodeGen/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/CMakeLists.txt?rev=259035&r1=259034&r2=259035&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/CMakeLists.txt (original)
+++ llvm/trunk/lib/CodeGen/CMakeLists.txt Thu Jan 28 04:07:27 2016
@@ -18,6 +18,7 @@ add_llvm_library(LLVMCodeGen
   CriticalAntiDepBreaker.cpp
   DeadMachineInstructionElim.cpp
   DFAPacketizer.cpp
+  DiagnosticInfoCodeGen.cpp
   DwarfEHPrepare.cpp
   EarlyIfConversion.cpp
   EdgeBundles.cpp

Added: llvm/trunk/lib/CodeGen/DiagnosticInfoCodeGen.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/DiagnosticInfoCodeGen.cpp?rev=259035&view=auto
==============================================================================
--- llvm/trunk/lib/CodeGen/DiagnosticInfoCodeGen.cpp (added)
+++ llvm/trunk/lib/CodeGen/DiagnosticInfoCodeGen.cpp Thu Jan 28 04:07:27 2016
@@ -0,0 +1,33 @@
+//===- llvm/Support/DiagnosticInfoCodeGen.cpp - Diagnostic Definitions -*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines the different classes involved in codegen diagnostics.
+//
+// Diagnostics reporting is still done as part of the LLVMContext.
+//===----------------------------------------------------------------------===//
+
+#include "llvm/CodeGen/DiagnosticInfoCodeGen.h"
+#include "llvm/IR/DiagnosticPrinter.h"
+
+namespace llvm {
+
+void DiagnosticInfoUnsupported::print(DiagnosticPrinter &DP) const {
+  std::string Str;
+  raw_string_ostream OS(Str);
+
+  OS << getLocationStr() << ": in function " << getFunction().getName() << ' '
+     << *getFunction().getFunctionType() << ": " << Msg;
+  if (Value)
+    Value->print(OS);
+  OS << '\n';
+  OS.flush();
+  DP << Str;
+}
+
+}

Modified: llvm/trunk/lib/IR/DiagnosticInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/DiagnosticInfo.cpp?rev=259035&r1=259034&r2=259035&view=diff
==============================================================================
--- llvm/trunk/lib/IR/DiagnosticInfo.cpp (original)
+++ llvm/trunk/lib/IR/DiagnosticInfo.cpp Thu Jan 28 04:07:27 2016
@@ -138,11 +138,11 @@ void DiagnosticInfoPGOProfile::print(Dia
   DP << getMsg();
 }
 
-bool DiagnosticInfoOptimizationBase::isLocationAvailable() const {
+bool DiagnosticInfoWithDebugLocBase::isLocationAvailable() const {
   return getDebugLoc();
 }
 
-void DiagnosticInfoOptimizationBase::getLocation(StringRef *Filename,
+void DiagnosticInfoWithDebugLocBase::getLocation(StringRef *Filename,
                                                  unsigned *Line,
                                                  unsigned *Column) const {
   DILocation *L = getDebugLoc();
@@ -152,7 +152,7 @@ void DiagnosticInfoOptimizationBase::get
   *Column = L->getColumn();
 }
 
-const std::string DiagnosticInfoOptimizationBase::getLocationStr() const {
+const std::string DiagnosticInfoWithDebugLocBase::getLocationStr() const {
   StringRef Filename("<unknown>");
   unsigned Line = 0;
   unsigned Column = 0;

Removed: llvm/trunk/lib/Target/AMDGPU/AMDGPUDiagnosticInfoUnsupported.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/AMDGPUDiagnosticInfoUnsupported.cpp?rev=259034&view=auto
==============================================================================
--- llvm/trunk/lib/Target/AMDGPU/AMDGPUDiagnosticInfoUnsupported.cpp (original)
+++ llvm/trunk/lib/Target/AMDGPU/AMDGPUDiagnosticInfoUnsupported.cpp (removed)
@@ -1,26 +0,0 @@
-//===-- AMDGPUDiagnosticInfoUnsupported.cpp -------------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "AMDGPUDiagnosticInfoUnsupported.h"
-
-using namespace llvm;
-
-DiagnosticInfoUnsupported::DiagnosticInfoUnsupported(
-  const Function &Fn,
-  const Twine &Desc,
-  DiagnosticSeverity Severity)
-  : DiagnosticInfo(getKindID(), Severity),
-    Description(Desc),
-    Fn(Fn) { }
-
-int DiagnosticInfoUnsupported::KindID = 0;
-
-void DiagnosticInfoUnsupported::print(DiagnosticPrinter &DP) const {
-  DP << "unsupported " << getDescription() << " in " << Fn.getName();
-}

Removed: llvm/trunk/lib/Target/AMDGPU/AMDGPUDiagnosticInfoUnsupported.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/AMDGPUDiagnosticInfoUnsupported.h?rev=259034&view=auto
==============================================================================
--- llvm/trunk/lib/Target/AMDGPU/AMDGPUDiagnosticInfoUnsupported.h (original)
+++ llvm/trunk/lib/Target/AMDGPU/AMDGPUDiagnosticInfoUnsupported.h (removed)
@@ -1,48 +0,0 @@
-//===-- AMDGPUDiagnosticInfoUnsupported.h - Error reporting -----*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_LIB_TARGET_AMDGPU_AMDGPUDIAGNOSTICINFOUNSUPPORTED_H
-#define LLVM_LIB_TARGET_AMDGPU_AMDGPUDIAGNOSTICINFOUNSUPPORTED_H
-
-#include "llvm/IR/DiagnosticInfo.h"
-#include "llvm/IR/DiagnosticPrinter.h"
-
-namespace llvm {
-
-/// Diagnostic information for unimplemented or unsupported feature reporting.
-class DiagnosticInfoUnsupported : public DiagnosticInfo {
-private:
-  const Twine &Description;
-  const Function &Fn;
-
-  static int KindID;
-
-  static int getKindID() {
-    if (KindID == 0)
-      KindID = llvm::getNextAvailablePluginDiagnosticKind();
-    return KindID;
-  }
-
-public:
-  DiagnosticInfoUnsupported(const Function &Fn, const Twine &Desc,
-                            DiagnosticSeverity Severity = DS_Error);
-
-  const Function &getFunction() const { return Fn; }
-  const Twine &getDescription() const { return Description; }
-
-  void print(DiagnosticPrinter &DP) const override;
-
-  static bool classof(const DiagnosticInfo *DI) {
-    return DI->getKind() == getKindID();
-  }
-};
-
-}
-
-#endif

Modified: llvm/trunk/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp?rev=259035&r1=259034&r2=259035&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp (original)
+++ llvm/trunk/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp Thu Jan 28 04:07:27 2016
@@ -12,7 +12,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "AMDGPUDiagnosticInfoUnsupported.h"
 #include "AMDGPUInstrInfo.h"
 #include "AMDGPUISelLowering.h" // For AMDGPUISD
 #include "AMDGPURegisterInfo.h"
@@ -21,6 +20,7 @@
 #include "SIDefines.h"
 #include "SIISelLowering.h"
 #include "SIMachineFunctionInfo.h"
+#include "llvm/CodeGen/DiagnosticInfoCodeGen.h"
 #include "llvm/CodeGen/FunctionLoweringInfo.h"
 #include "llvm/CodeGen/MachineFrameInfo.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"
@@ -1220,7 +1220,7 @@ SDNode *AMDGPUDAGToDAGISel::SelectAddrSp
 
   const MachineFunction &MF = CurDAG->getMachineFunction();
   DiagnosticInfoUnsupported NotImplemented(*MF.getFunction(),
-                                           "addrspacecast not implemented");
+                                           "addrspacecast not implemented", DL);
   CurDAG->getContext()->diagnose(NotImplemented);
 
   assert(Subtarget->hasFlatAddressSpace() &&

Modified: llvm/trunk/lib/Target/AMDGPU/AMDGPUISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/AMDGPUISelLowering.cpp?rev=259035&r1=259034&r2=259035&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AMDGPU/AMDGPUISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/AMDGPU/AMDGPUISelLowering.cpp Thu Jan 28 04:07:27 2016
@@ -15,7 +15,6 @@
 
 #include "AMDGPUISelLowering.h"
 #include "AMDGPU.h"
-#include "AMDGPUDiagnosticInfoUnsupported.h"
 #include "AMDGPUFrameLowering.h"
 #include "AMDGPUIntrinsicInfo.h"
 #include "AMDGPURegisterInfo.h"
@@ -23,6 +22,7 @@
 #include "R600MachineFunctionInfo.h"
 #include "SIMachineFunctionInfo.h"
 #include "llvm/CodeGen/CallingConvLower.h"
+#include "llvm/CodeGen/DiagnosticInfoCodeGen.h"
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"
 #include "llvm/CodeGen/SelectionDAG.h"
@@ -609,7 +609,7 @@ SDValue AMDGPUTargetLowering::LowerCall(
   else if (const GlobalAddressSDNode *G = dyn_cast<GlobalAddressSDNode>(Callee))
     FuncName = G->getGlobal()->getName();
 
-  DiagnosticInfoUnsupported NoCalls(Fn, "call to function " + FuncName);
+  DiagnosticInfoUnsupported NoCalls(Fn, "unsupported call to function " + FuncName, CLI.DL);
   DAG.getContext()->diagnose(NoCalls);
   return SDValue();
 }
@@ -618,7 +618,7 @@ SDValue AMDGPUTargetLowering::LowerDYNAM
                                                       SelectionDAG &DAG) const {
   const Function &Fn = *DAG.getMachineFunction().getFunction();
 
-  DiagnosticInfoUnsupported NoDynamicAlloca(Fn, "dynamic alloca");
+  DiagnosticInfoUnsupported NoDynamicAlloca(Fn, "unsupported dynamic alloca", SDLoc(Op));
   DAG.getContext()->diagnose(NoDynamicAlloca);
   return SDValue();
 }
@@ -865,8 +865,8 @@ SDValue AMDGPUTargetLowering::LowerGloba
   }
 
   const Function &Fn = *DAG.getMachineFunction().getFunction();
-  DiagnosticInfoUnsupported BadInit(Fn,
-                                    "initializer for address space");
+  DiagnosticInfoUnsupported BadInit(
+      Fn, "unsupported initializer for address space", SDLoc(Op));
   DAG.getContext()->diagnose(BadInit);
   return SDValue();
 }

Modified: llvm/trunk/lib/Target/AMDGPU/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/CMakeLists.txt?rev=259035&r1=259034&r2=259035&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AMDGPU/CMakeLists.txt (original)
+++ llvm/trunk/lib/Target/AMDGPU/CMakeLists.txt Thu Jan 28 04:07:27 2016
@@ -18,7 +18,6 @@ add_llvm_target(AMDGPUCodeGen
   AMDGPUAnnotateKernelFeatures.cpp
   AMDGPUAnnotateUniformValues.cpp
   AMDGPUAsmPrinter.cpp
-  AMDGPUDiagnosticInfoUnsupported.cpp
   AMDGPUFrameLowering.cpp
   AMDGPUTargetObjectFile.cpp
   AMDGPUIntrinsicInfo.cpp

Modified: llvm/trunk/lib/Target/AMDGPU/SIISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/SIISelLowering.cpp?rev=259035&r1=259034&r2=259035&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AMDGPU/SIISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/AMDGPU/SIISelLowering.cpp Thu Jan 28 04:07:27 2016
@@ -20,7 +20,6 @@
 
 #include "SIISelLowering.h"
 #include "AMDGPU.h"
-#include "AMDGPUDiagnosticInfoUnsupported.h"
 #include "AMDGPUIntrinsicInfo.h"
 #include "AMDGPUSubtarget.h"
 #include "SIInstrInfo.h"
@@ -29,6 +28,7 @@
 #include "llvm/ADT/BitVector.h"
 #include "llvm/ADT/StringSwitch.h"
 #include "llvm/CodeGen/CallingConvLower.h"
+#include "llvm/CodeGen/DiagnosticInfoCodeGen.h"
 #include "llvm/CodeGen/MachineInstrBuilder.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"
 #include "llvm/CodeGen/SelectionDAG.h"
@@ -591,7 +591,8 @@ SDValue SITargetLowering::LowerFormalArg
 
   if (Subtarget->isAmdHsaOS() && Info->getShaderType() != ShaderType::COMPUTE) {
     const Function *Fn = MF.getFunction();
-    DiagnosticInfoUnsupported NoGraphicsHSA(*Fn, "non-compute shaders with HSA");
+    DiagnosticInfoUnsupported NoGraphicsHSA(
+        *Fn, "unsupported non-compute shaders with HSA", DL);
     DAG.getContext()->diagnose(NoGraphicsHSA);
     return SDValue();
   }
@@ -1320,8 +1321,9 @@ SDValue SITargetLowering::LowerINTRINSIC
   switch (IntrinsicID) {
   case Intrinsic::amdgcn_dispatch_ptr:
     if (!Subtarget->isAmdHsaOS()) {
-      DiagnosticInfoUnsupported BadIntrin(*MF.getFunction(),
-                                          "hsa intrinsic without hsa target");
+      DiagnosticInfoUnsupported BadIntrin(
+          *MF.getFunction(), "unsupported hsa intrinsic without hsa target",
+          DL);
       DAG.getContext()->diagnose(BadIntrin);
       return DAG.getUNDEF(VT);
     }

Modified: llvm/trunk/lib/Target/BPF/BPFISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/BPF/BPFISelLowering.cpp?rev=259035&r1=259034&r2=259035&view=diff
==============================================================================
--- llvm/trunk/lib/Target/BPF/BPFISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/BPF/BPFISelLowering.cpp Thu Jan 28 04:07:27 2016
@@ -17,6 +17,7 @@
 #include "BPFTargetMachine.h"
 #include "BPFSubtarget.h"
 #include "llvm/CodeGen/CallingConvLower.h"
+#include "llvm/CodeGen/DiagnosticInfoCodeGen.h"
 #include "llvm/CodeGen/MachineFrameInfo.h"
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/MachineInstrBuilder.h"
@@ -28,66 +29,10 @@
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/raw_ostream.h"
-#include "llvm/IR/DiagnosticInfo.h"
-#include "llvm/IR/DiagnosticPrinter.h"
 using namespace llvm;
 
 #define DEBUG_TYPE "bpf-lower"
 
-namespace {
-
-// Diagnostic information for unimplemented or unsupported feature reporting.
-class DiagnosticInfoUnsupported : public DiagnosticInfo {
-private:
-  // Debug location where this diagnostic is triggered.
-  DebugLoc DLoc;
-  const Twine &Description;
-  const Function &Fn;
-  SDValue Value;
-
-  static int KindID;
-
-  static int getKindID() {
-    if (KindID == 0)
-      KindID = llvm::getNextAvailablePluginDiagnosticKind();
-    return KindID;
-  }
-
-public:
-  DiagnosticInfoUnsupported(SDLoc DLoc, const Function &Fn, const Twine &Desc,
-                            SDValue Value)
-      : DiagnosticInfo(getKindID(), DS_Error), DLoc(DLoc.getDebugLoc()),
-        Description(Desc), Fn(Fn), Value(Value) {}
-
-  void print(DiagnosticPrinter &DP) const override {
-    std::string Str;
-    raw_string_ostream OS(Str);
-
-    if (DLoc) {
-      auto DIL = DLoc.get();
-      StringRef Filename = DIL->getFilename();
-      unsigned Line = DIL->getLine();
-      unsigned Column = DIL->getColumn();
-      OS << Filename << ':' << Line << ':' << Column << ' ';
-    }
-
-    OS << "in function " << Fn.getName() << ' ' << *Fn.getFunctionType() << '\n'
-       << Description;
-    if (Value)
-      Value->print(OS);
-    OS << '\n';
-    OS.flush();
-    DP << Str;
-  }
-
-  static bool classof(const DiagnosticInfo *DI) {
-    return DI->getKind() == getKindID();
-  }
-};
-
-int DiagnosticInfoUnsupported::KindID = 0;
-}
-
 BPFTargetLowering::BPFTargetLowering(const TargetMachine &TM,
                                      const BPFSubtarget &STI)
     : TargetLowering(TM) {
@@ -236,16 +181,16 @@ SDValue BPFTargetLowering::LowerFormalAr
         InVals.push_back(ArgValue);
       }
     } else {
-      DiagnosticInfoUnsupported Err(DL, *MF.getFunction(),
-                                    "defined with too many args", SDValue());
+      DiagnosticInfoUnsupported Err(
+          *MF.getFunction(), "defined with too many args", DL);
       DAG.getContext()->diagnose(Err);
     }
   }
 
   if (IsVarArg || MF.getFunction()->hasStructRetAttr()) {
     DiagnosticInfoUnsupported Err(
-        DL, *MF.getFunction(),
-        "functions with VarArgs or StructRet are not supported", SDValue());
+        *MF.getFunction(),
+        "functions with VarArgs or StructRet are not supported", DL);
     DAG.getContext()->diagnose(Err);
   }
 
@@ -285,8 +230,8 @@ SDValue BPFTargetLowering::LowerCall(Tar
   unsigned NumBytes = CCInfo.getNextStackOffset();
 
   if (Outs.size() >= 6) {
-    DiagnosticInfoUnsupported Err(CLI.DL, *MF.getFunction(),
-                                  "too many args to ", Callee);
+    DiagnosticInfoUnsupported Err(*MF.getFunction(), "too many args to ",
+                                  CLI.DL, Callee);
     DAG.getContext()->diagnose(Err);
   }
 
@@ -295,8 +240,8 @@ SDValue BPFTargetLowering::LowerCall(Tar
     if (!Flags.isByVal())
       continue;
 
-    DiagnosticInfoUnsupported Err(CLI.DL, *MF.getFunction(),
-                                  "pass by value not supported ", Callee);
+    DiagnosticInfoUnsupported Err(
+        *MF.getFunction(), "pass by value not supported ", CLI.DL, Callee);
     DAG.getContext()->diagnose(Err);
   }
 
@@ -398,8 +343,8 @@ BPFTargetLowering::LowerReturn(SDValue C
   CCState CCInfo(CallConv, IsVarArg, MF, RVLocs, *DAG.getContext());
 
   if (MF.getFunction()->getReturnType()->isAggregateType()) {
-    DiagnosticInfoUnsupported Err(DL, *MF.getFunction(),
-                                  "only integer returns supported", SDValue());
+    DiagnosticInfoUnsupported Err(
+        *MF.getFunction(), "only integer returns supported", DL);
     DAG.getContext()->diagnose(Err);
   }
 
@@ -443,8 +388,8 @@ SDValue BPFTargetLowering::LowerCallResu
   CCState CCInfo(CallConv, IsVarArg, MF, RVLocs, *DAG.getContext());
 
   if (Ins.size() >= 2) {
-    DiagnosticInfoUnsupported Err(DL, *MF.getFunction(),
-                                  "only small returns supported", SDValue());
+    DiagnosticInfoUnsupported Err(*MF.getFunction(),
+                                  "only small returns supported", DL);
     DAG.getContext()->diagnose(Err);
   }
 

Modified: llvm/trunk/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp?rev=259035&r1=259034&r2=259035&view=diff
==============================================================================
--- llvm/trunk/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp Thu Jan 28 04:07:27 2016
@@ -19,10 +19,10 @@
 #include "WebAssemblyTargetMachine.h"
 #include "llvm/CodeGen/Analysis.h"
 #include "llvm/CodeGen/CallingConvLower.h"
+#include "llvm/CodeGen/DiagnosticInfoCodeGen.h"
 #include "llvm/CodeGen/MachineJumpTableInfo.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"
 #include "llvm/CodeGen/SelectionDAG.h"
-#include "llvm/IR/DiagnosticInfo.h"
 #include "llvm/IR/DiagnosticPrinter.h"
 #include "llvm/IR/Function.h"
 #include "llvm/IR/Intrinsics.h"
@@ -35,61 +35,6 @@ using namespace llvm;
 
 #define DEBUG_TYPE "wasm-lower"
 
-namespace {
-// Diagnostic information for unimplemented or unsupported feature reporting.
-// TODO: This code is copied from BPF and AMDGPU; consider factoring it out
-// and sharing code.
-class DiagnosticInfoUnsupported final : public DiagnosticInfo {
-private:
-  // Debug location where this diagnostic is triggered.
-  DebugLoc DLoc;
-  const Twine &Description;
-  const Function &Fn;
-  SDValue Value;
-
-  static int KindID;
-
-  static int getKindID() {
-    if (KindID == 0)
-      KindID = llvm::getNextAvailablePluginDiagnosticKind();
-    return KindID;
-  }
-
-public:
-  DiagnosticInfoUnsupported(SDLoc DLoc, const Function &Fn, const Twine &Desc,
-                            SDValue Value)
-      : DiagnosticInfo(getKindID(), DS_Error), DLoc(DLoc.getDebugLoc()),
-        Description(Desc), Fn(Fn), Value(Value) {}
-
-  void print(DiagnosticPrinter &DP) const override {
-    std::string Str;
-    raw_string_ostream OS(Str);
-
-    if (DLoc) {
-      auto DIL = DLoc.get();
-      StringRef Filename = DIL->getFilename();
-      unsigned Line = DIL->getLine();
-      unsigned Column = DIL->getColumn();
-      OS << Filename << ':' << Line << ':' << Column << ' ';
-    }
-
-    OS << "in function " << Fn.getName() << ' ' << *Fn.getFunctionType() << '\n'
-       << Description;
-    if (Value)
-      Value->print(OS);
-    OS << '\n';
-    OS.flush();
-    DP << Str;
-  }
-
-  static bool classof(const DiagnosticInfo *DI) {
-    return DI->getKind() == getKindID();
-  }
-};
-
-int DiagnosticInfoUnsupported::KindID = 0;
-} // end anonymous namespace
-
 WebAssemblyTargetLowering::WebAssemblyTargetLowering(
     const TargetMachine &TM, const WebAssemblySubtarget &STI)
     : TargetLowering(TM), Subtarget(&STI) {

Modified: llvm/trunk/test/CodeGen/AMDGPU/addrspacecast.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AMDGPU/addrspacecast.ll?rev=259035&r1=259034&r2=259035&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/AMDGPU/addrspacecast.ll (original)
+++ llvm/trunk/test/CodeGen/AMDGPU/addrspacecast.ll Thu Jan 28 04:07:27 2016
@@ -1,6 +1,6 @@
 ; RUN: not llc -O0 -march=amdgcn -mcpu=bonaire -mattr=-promote-alloca < %s 2>&1 | FileCheck -check-prefix=ERROR %s
 
-; ERROR: unsupported addrspacecast not implemented
+; ERROR: addrspacecast not implemented
 
 ; XUN: llc -O0 -march=amdgcn -mcpu=bonaire -mattr=-promote-alloca < %s | FileCheck -check-prefix=CHECK -check-prefix=CHECK-NO-PROMOTE %s
 ; XUN: llc -O0 -march=amdgcn -mcpu=bonaire -mattr=+promote-alloca < %s | FileCheck -check-prefix=CHECK -check-prefix=CHECK-PROMOTE %s

Modified: llvm/trunk/test/CodeGen/AMDGPU/call.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AMDGPU/call.ll?rev=259035&r1=259034&r2=259035&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/AMDGPU/call.ll (original)
+++ llvm/trunk/test/CodeGen/AMDGPU/call.ll Thu Jan 28 04:07:27 2016
@@ -2,7 +2,7 @@
 ; RUN: not llc -march=amdgcn -mcpu=tonga -verify-machineinstrs< %s 2>&1 | FileCheck %s
 ; RUN: not llc -march=r600 -mcpu=cypress < %s 2>&1 | FileCheck %s
 
-; CHECK: error: unsupported call to function external_function in test_call_external
+; CHECK: in function test_call_external{{.*}}: unsupported call to function external_function
 
 
 declare i32 @external_function(i32) nounwind

Modified: llvm/trunk/test/CodeGen/AMDGPU/dynamic_stackalloc.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AMDGPU/dynamic_stackalloc.ll?rev=259035&r1=259034&r2=259035&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/AMDGPU/dynamic_stackalloc.ll (original)
+++ llvm/trunk/test/CodeGen/AMDGPU/dynamic_stackalloc.ll Thu Jan 28 04:07:27 2016
@@ -2,7 +2,7 @@
 ; RUN: not llc -march=amdgcn -mcpu=tahiti -mattr=-promote-alloca -verify-machineinstrs < %s 2>&1 | FileCheck %s
 ; RUN: not llc -march=r600 -mcpu=cypress < %s 2>&1 | FileCheck %s
 
-; CHECK: error: unsupported dynamic alloca in test_dynamic_stackalloc
+; CHECK: in function test_dynamic_stackalloc{{.*}}: unsupported dynamic alloca
 
 define void @test_dynamic_stackalloc(i32 addrspace(1)* %out, i32 %n) {
   %alloca = alloca i32, i32 %n

Modified: llvm/trunk/test/CodeGen/AMDGPU/global-zero-initializer.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AMDGPU/global-zero-initializer.ll?rev=259035&r1=259034&r2=259035&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/AMDGPU/global-zero-initializer.ll (original)
+++ llvm/trunk/test/CodeGen/AMDGPU/global-zero-initializer.ll Thu Jan 28 04:07:27 2016
@@ -1,7 +1,7 @@
 ; RUN: not llc -march=amdgcn -mcpu=SI < %s 2>&1 | FileCheck %s
 ; RUN: not llc -march=amdgcn -mcpu=tonga < %s 2>&1 | FileCheck %s
 
-; CHECK: error: unsupported initializer for address space in load_init_global_global
+; CHECK: in function load_init_global_global{{.*}}: unsupported initializer for address space
 
 @lds = addrspace(1) global [256 x i32] zeroinitializer
 

Modified: llvm/trunk/test/CodeGen/AMDGPU/lds-initializer.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AMDGPU/lds-initializer.ll?rev=259035&r1=259034&r2=259035&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/AMDGPU/lds-initializer.ll (original)
+++ llvm/trunk/test/CodeGen/AMDGPU/lds-initializer.ll Thu Jan 28 04:07:27 2016
@@ -1,7 +1,7 @@
 ; RUN: not llc -march=amdgcn -mcpu=SI < %s 2>&1 | FileCheck %s
 ; RUN: not llc -march=amdgcn -mcpu=tonga < %s 2>&1 | FileCheck %s
 
-; CHECK: error: unsupported initializer for address space in load_init_lds_global
+; CHECK: in function load_init_lds_global{{.*}}: unsupported initializer for address space
 
 @lds = addrspace(3) global [8 x i32] [i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8]
 

Modified: llvm/trunk/test/CodeGen/AMDGPU/lds-zero-initializer.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AMDGPU/lds-zero-initializer.ll?rev=259035&r1=259034&r2=259035&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/AMDGPU/lds-zero-initializer.ll (original)
+++ llvm/trunk/test/CodeGen/AMDGPU/lds-zero-initializer.ll Thu Jan 28 04:07:27 2016
@@ -1,7 +1,7 @@
 ; RUN: not llc -march=amdgcn -mcpu=SI < %s 2>&1 | FileCheck %s
 ; RUN: not llc -march=amdgcn -mcpu=tonga < %s 2>&1 | FileCheck %s
 
-; CHECK: error: unsupported initializer for address space in load_zeroinit_lds_global
+; CHECK: in function load_zeroinit_lds_global{{.*}}: unsupported initializer for address space
 
 @lds = addrspace(3) global [256 x i32] zeroinitializer
 

Modified: llvm/trunk/test/CodeGen/AMDGPU/llvm.amdgcn.dispatch.ptr.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AMDGPU/llvm.amdgcn.dispatch.ptr.ll?rev=259035&r1=259034&r2=259035&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/AMDGPU/llvm.amdgcn.dispatch.ptr.ll (original)
+++ llvm/trunk/test/CodeGen/AMDGPU/llvm.amdgcn.dispatch.ptr.ll Thu Jan 28 04:07:27 2016
@@ -1,7 +1,7 @@
 ; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=kaveri -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
 ; RUN: not llc -mtriple=amdgcn-unknown-unknown -mcpu=kaveri -verify-machineinstrs < %s 2>&1 | FileCheck -check-prefix=ERROR %s
 
-; ERROR: error: unsupported hsa intrinsic without hsa target in test
+; ERROR: in function test{{.*}}: unsupported hsa intrinsic without hsa target
 
 ; GCN-LABEL: {{^}}test:
 ; GCN: enable_sgpr_dispatch_ptr = 1

Modified: llvm/trunk/test/CodeGen/AMDGPU/no-hsa-graphics-shaders.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AMDGPU/no-hsa-graphics-shaders.ll?rev=259035&r1=259034&r2=259035&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/AMDGPU/no-hsa-graphics-shaders.ll (original)
+++ llvm/trunk/test/CodeGen/AMDGPU/no-hsa-graphics-shaders.ll Thu Jan 28 04:07:27 2016
@@ -1,6 +1,6 @@
 ; RUN: not llc -march=amdgcn -mtriple=amdgcn-unknown-amdhsa < %s 2>&1 | FileCheck %s
 
-; CHECK: error: unsupported non-compute shaders with HSA in pixel_shader
+; CHECK: in function pixel_s{{.*}}: unsupported non-compute shaders with HSA
 define void @pixel_shader() #0 {
   ret void
 }

Modified: llvm/trunk/test/CodeGen/AMDGPU/promote-alloca-bitcast-function.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AMDGPU/promote-alloca-bitcast-function.ll?rev=259035&r1=259034&r2=259035&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/AMDGPU/promote-alloca-bitcast-function.ll (original)
+++ llvm/trunk/test/CodeGen/AMDGPU/promote-alloca-bitcast-function.ll Thu Jan 28 04:07:27 2016
@@ -6,7 +6,7 @@
 declare void @foo(float*) #0
 declare void @foo.varargs(...) #0
 
-; CHECK: error: unsupported call to function foo in crash_call_constexpr_cast
+; CHECK: in function crash_call_constexpr_cast{{.*}}: unsupported call to function foo
 define void @crash_call_constexpr_cast() #0 {
   %alloca = alloca i32
   call void bitcast (void (float*)* @foo to void (i32*)*)(i32* %alloca) #0




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