[llvm-branch-commits] [llvm-branch] r107647 - /llvm/branches/wendling/eh/include/llvm/CodeGen/MachineFunction.h

[Bill Wendling]

Author: void
Date: Tue Jul  6 05:55:48 2010
New Revision: 107647

URL: http://llvm.org/viewvc/llvm-project?rev=107647&view=rev
Log:
Add the exception handling filter IDs to the machine function. It would be nice
to keep this class clean of information like this. But I can't think of a good
place to put it at the moment.

Modified:
    llvm/branches/wendling/eh/include/llvm/CodeGen/MachineFunction.h

Modified: llvm/branches/wendling/eh/include/llvm/CodeGen/MachineFunction.h
URL: http://llvm.org/viewvc/llvm-project/llvm/branches/wendling/eh/include/llvm/CodeGen/MachineFunction.h?rev=107647&r1=107646&r2=107647&view=diff
==============================================================================
--- llvm/branches/wendling/eh/include/llvm/CodeGen/MachineFunction.h (original)
+++ llvm/branches/wendling/eh/include/llvm/CodeGen/MachineFunction.h Tue Jul  6 05:55:48 2010
@@ -91,6 +91,10 @@
   // Keep track of jump tables for switch instructions
   MachineJumpTableInfo *JumpTableInfo;
 
+  // Keep track of any exception handling filter IDs.
+  // EH-FIXME: This is pretty gross. Can we put this information somewhere else?
+  std::vector<const Value*> EHFilters;
+
   // Function-level unique numbering for MachineBasicBlocks.  When a
   // MachineBasicBlock is inserted into a MachineFunction is it automatically
   // numbered and this vector keeps track of the mapping from ID's to MBB's.
@@ -239,7 +243,19 @@
   /// specific MachineBasicBlock is specified, only that block and those after
   /// it are renumbered.
   void RenumberBlocks(MachineBasicBlock *MBBFrom = 0);
-  
+
+  /// addFilterID - Add the given filter ID to the list of types that the
+  /// function can throw.
+  void addFilterID(const Value *V) {
+    EHFilters.push_back(V);
+  }
+
+  // Accessors for the exception handling filters.
+  typedef std::vector<const Value*>::const_iterator filter_iterator;
+
+  filter_iterator filter_begin() const { return EHFilters.begin(); }
+  filter_iterator   filter_end() const { return EHFilters.end(); }
+
   /// print - Print out the MachineFunction in a format suitable for debugging
   /// to the specified stream.
   ///