Import LLVM 4.0.0 rc1 including clang and lld to help the current

development effort on OpenBSD/arm64.

1 files changed, 20 insertions, 9 deletions

diff --git a/gnu/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.h b/gnu/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.h
index e4bbd61d4ce..3dd4315e4c2 100644
--- a/gnu/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.h
+++ b/gnu/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.h
@@ -20,8 +20,8 @@
 #include "llvm/CodeGen/AsmPrinter.h"
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/MachineModuleInfo.h"
-#include "llvm/DebugInfo/CodeView/MemoryTypeTableBuilder.h"
 #include "llvm/DebugInfo/CodeView/TypeIndex.h"
+#include "llvm/DebugInfo/CodeView/TypeTableBuilder.h"
 #include "llvm/IR/DebugInfo.h"
 #include "llvm/IR/DebugLoc.h"
 #include "llvm/MC/MCStreamer.h"
@@ -36,7 +36,8 @@ struct ClassInfo;
 /// \brief Collects and handles line tables information in a CodeView format.
 class LLVM_LIBRARY_VISIBILITY CodeViewDebug : public DebugHandlerBase {
   MCStreamer &OS;
-  codeview::MemoryTypeTableBuilder TypeTable;
+  llvm::BumpPtrAllocator Allocator;
+  codeview::TypeTableBuilder TypeTable;
 
   /// Represents the most general definition range.
   struct LocalVarDefRange {
@@ -47,9 +48,11 @@ class LLVM_LIBRARY_VISIBILITY CodeViewDebug : public DebugHandlerBase {
     /// Offset of variable data in memory.
     int DataOffset : 31;
 
-    /// Offset of the data into the user level struct. If zero, no splitting
-    /// occurred.
-    uint16_t StructOffset;
+    /// Non-zero if this is a piece of an aggregate.
+    uint16_t IsSubfield : 1;
+
+    /// Offset into aggregate.
+    uint16_t StructOffset : 15;
 
     /// Register containing the data or the register base of the memory
     /// location containing the data.
@@ -59,14 +62,18 @@ class LLVM_LIBRARY_VISIBILITY CodeViewDebug : public DebugHandlerBase {
     /// ranges.
     bool isDifferentLocation(LocalVarDefRange &O) {
       return InMemory != O.InMemory || DataOffset != O.DataOffset ||
-             StructOffset != O.StructOffset || CVRegister != O.CVRegister;
+             IsSubfield != O.IsSubfield || StructOffset != O.StructOffset ||
+             CVRegister != O.CVRegister;
     }
 
     SmallVector<std::pair<const MCSymbol *, const MCSymbol *>, 1> Ranges;
   };
 
   static LocalVarDefRange createDefRangeMem(uint16_t CVRegister, int Offset);
-  static LocalVarDefRange createDefRangeReg(uint16_t CVRegister);
+  static LocalVarDefRange createDefRangeGeneral(uint16_t CVRegister,
+                                                bool InMemory, int Offset,
+                                                bool IsSubfield,
+                                                uint16_t StructOffset);
 
   /// Similar to DbgVariable in DwarfDebug, but not dwarf-specific.
   struct LocalVariable {
@@ -190,6 +197,8 @@ class LLVM_LIBRARY_VISIBILITY CodeViewDebug : public DebugHandlerBase {
 
   void emitTypeInformation();
 
+  void emitCompilerInformation();
+
   void emitInlineeLinesSubsection();
 
   void emitDebugInfoForFunction(const Function *GV, FunctionInfo &FI);
@@ -201,7 +210,8 @@ class LLVM_LIBRARY_VISIBILITY CodeViewDebug : public DebugHandlerBase {
   void emitDebugInfoForUDTs(
       ArrayRef<std::pair<std::string, codeview::TypeIndex>> UDTs);
 
-  void emitDebugInfoForGlobal(const DIGlobalVariable *DIGV, MCSymbol *GVSym);
+  void emitDebugInfoForGlobal(const DIGlobalVariable *DIGV,
+                              const GlobalVariable *GV, MCSymbol *GVSym);
 
   /// Opens a subsection of the given kind in a .debug$S codeview section.
   /// Returns an end label for use with endCVSubsection when the subsection is
@@ -217,7 +227,7 @@ class LLVM_LIBRARY_VISIBILITY CodeViewDebug : public DebugHandlerBase {
 
   void collectVariableInfo(const DISubprogram *SP);
 
-  void collectVariableInfoFromMMITable(DenseSet<InlinedVariable> &Processed);
+  void collectVariableInfoFromMFTable(DenseSet<InlinedVariable> &Processed);
 
   /// Records information about a local variable in the appropriate scope. In
   /// particular, locals from inlined code live inside the inlining site.
@@ -251,6 +261,7 @@ class LLVM_LIBRARY_VISIBILITY CodeViewDebug : public DebugHandlerBase {
   codeview::TypeIndex lowerTypeMemberPointer(const DIDerivedType *Ty);
   codeview::TypeIndex lowerTypeModifier(const DIDerivedType *Ty);
   codeview::TypeIndex lowerTypeFunction(const DISubroutineType *Ty);
+  codeview::TypeIndex lowerTypeVFTableShape(const DIDerivedType *Ty);
   codeview::TypeIndex lowerTypeMemberFunction(const DISubroutineType *Ty,
                                               const DIType *ClassTy,
                                               int ThisAdjustment);