[CodeGen]: Fix bad interaction with AntiDep breaking and inline asm.

[oota-llvm.git] / lib / CodeGen / AsmPrinter / WinException.h

diff --git a/lib/CodeGen/AsmPrinter/WinException.h b/lib/CodeGen/AsmPrinter/WinException.h
index 7a80984c32ea9b04b6f4798f51bd1feade03dbc8..acb301016910a1fc172ed8ffc36246e9e518ad33 100644 (file)
--- a/lib/CodeGen/AsmPrinter/WinException.h
+++ b/lib/CodeGen/AsmPrinter/WinException.h
@@ -18,6 +18,7 @@
 
 namespace llvm {
 class Function;
+class GlobalValue;
 class MachineFunction;
 class MCExpr;
 class Value;
@@ -36,7 +37,14 @@ class LLVM_LIBRARY_VISIBILITY WinException : public EHStreamer {
   /// True if this is a 64-bit target and we should use image relative offsets.
   bool useImageRel32 = false;
 
-  void emitCSpecificHandlerTable();
+  /// Pointer to the current funclet entry BB.
+  const MachineBasicBlock *CurrentFuncletEntry = nullptr;
+
+  void emitCSpecificHandlerTable(const MachineFunction *MF);
+
+  void emitSEHActionsForRange(const WinEHFuncInfo &FuncInfo,
+                              const MCSymbol *BeginLabel,
+                              const MCSymbol *EndLabel, int State);
 
   /// Emit the EH table data for 32-bit and 64-bit functions using
   /// the __CxxFrameHandler3 personality.
@@ -47,8 +55,11 @@ class LLVM_LIBRARY_VISIBILITY WinException : public EHStreamer {
   /// tables.
   void emitExceptHandlerTable(const MachineFunction *MF);
 
-  void extendIP2StateTable(const MachineFunction *MF, const Function *ParentF,
-                           WinEHFuncInfo &FuncInfo);
+  void emitCLRExceptionTable(const MachineFunction *MF);
+
+  void computeIP2StateTable(
+      const MachineFunction *MF, const WinEHFuncInfo &FuncInfo,
+      SmallVectorImpl<std::pair<const MCExpr *, int>> &IPToStateTable);
 
   /// Emits the label used with llvm.x86.seh.recoverfp, which is used by
   /// outlined funclets.
@@ -56,7 +67,17 @@ class LLVM_LIBRARY_VISIBILITY WinException : public EHStreamer {
                                      StringRef FLinkageName);
 
   const MCExpr *create32bitRef(const MCSymbol *Value);
-  const MCExpr *create32bitRef(const Value *V);
+  const MCExpr *create32bitRef(const GlobalValue *GV);
+  const MCExpr *getLabelPlusOne(const MCSymbol *Label);
+  const MCExpr *getOffset(const MCSymbol *OffsetOf, const MCSymbol *OffsetFrom);
+  const MCExpr *getOffsetPlusOne(const MCSymbol *OffsetOf,
+                                 const MCSymbol *OffsetFrom);
+
+  /// Gets the offset that we should use in a table for a stack object with the
+  /// given index. For targets using CFI (Win64, etc), this is relative to the
+  /// established SP at the end of the prologue. For targets without CFI (Win32
+  /// only), it is relative to the frame pointer.
+  int getFrameIndexOffset(int FrameIndex, const WinEHFuncInfo &FuncInfo);
 
 public:
   //===--------------------------------------------------------------------===//
@@ -74,6 +95,10 @@ public:
 
   /// Gather and emit post-function exception information.
   void endFunction(const MachineFunction *) override;
+
+  /// \brief Emit target-specific EH funclet machinery.
+  void beginFunclet(const MachineBasicBlock &MBB, MCSymbol *Sym) override;
+  void endFunclet() override;
 };
 }