When splitting a VAARG, remember its alignment.

This produces terrible but correct code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106952 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 4 insertions, 3 deletions

diff --git a/include/llvm/CodeGen/ISDOpcodes.h b/include/llvm/CodeGen/ISDOpcodes.h
index 6203b5e..69de598 100644
--- a/include/llvm/CodeGen/ISDOpcodes.h
+++ b/include/llvm/CodeGen/ISDOpcodes.h
@@ -508,8 +508,9 @@ namespace ISD {
     CALLSEQ_START,  // Beginning of a call sequence
     CALLSEQ_END,    // End of a call sequence
 
-    // VAARG - VAARG has three operands: an input chain, a pointer, and a
-    // SRCVALUE.  It returns a pair of values: the vaarg value and a new chain.
+    // VAARG - VAARG has four operands: an input chain, a pointer, a SRCVALUE,
+    // and the alignment. It returns a pair of values: the vaarg value and a
+    // new chain.
     VAARG,
 
     // VACOPY - VACOPY has five operands: an input chain, a destination pointer,
diff --git a/include/llvm/CodeGen/SelectionDAG.h b/include/llvm/CodeGen/SelectionDAG.h
index 1cd5191..d13e20e 100644
--- a/include/llvm/CodeGen/SelectionDAG.h
+++ b/include/llvm/CodeGen/SelectionDAG.h
@@ -582,7 +582,7 @@ public:
   /// getVAArg - VAArg produces a result and token chain, and takes a pointer
   /// and a source value as input.
   SDValue getVAArg(EVT VT, DebugLoc dl, SDValue Chain, SDValue Ptr,
-                   SDValue SV);
+                   SDValue SV, unsigned Align = 0);
 
   /// getAtomic - Gets a node for an atomic op, produces result and chain and
   /// takes 3 operands