Add some comments explaining what MVT and EVT are, and how they differ.

[oota-llvm.git] / include / llvm / CodeGen / MachineBasicBlock.h

diff --git a/include/llvm/CodeGen/MachineBasicBlock.h b/include/llvm/CodeGen/MachineBasicBlock.h
index b0d77c55f25ad21762f98e8066cffc4386b00803..49daf5f4d34cc9be3179b8a5a1255228d6ff0300 100644 (file)
--- a/include/llvm/CodeGen/MachineBasicBlock.h
+++ b/include/llvm/CodeGen/MachineBasicBlock.h
@@ -290,6 +290,11 @@ public:
   /// Returns end() is there's no non-PHI instruction.
   iterator getFirstNonPHI();
 
+  /// SkipPHIsAndLabels - Return the first instruction in MBB after I that is
+  /// not a PHI or a label. This is the correct point to insert copies at the
+  /// beginning of a basic block.
+  iterator SkipPHIsAndLabels(iterator I);
+
   /// getFirstTerminator - returns an iterator to the first terminator
   /// instruction of this basic block. If a terminator does not exist,
   /// it returns end()