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

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

diff --git a/include/llvm/CodeGen/Passes.h b/include/llvm/CodeGen/Passes.h
index 72dd3b85291ddb1910c9981ec2f9d7f18b928e51..bbedabd40779996bc0c9be9c0b4a0b38eba26860 100644 (file)
--- a/include/llvm/CodeGen/Passes.h
+++ b/include/llvm/CodeGen/Passes.h
@@ -66,6 +66,9 @@ namespace llvm {
 
   extern char &PreAllocSplittingID;
 
+  /// LiveStacks pass. An analysis keeping track of the liveness of stack slots.
+  extern char &LiveStacksID;
+
   /// SimpleRegisterCoalescing pass.  Aggressively coalesces every register
   /// copy it can.
   ///