Fixed generating incorrect aligned stores that I backout of r53031

that fixed problems in EmitStackConvert where the source and target type
have different alignment by creating a stack slot with the max
alignment of source and target type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53150 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 4 insertions, 3 deletions

diff --git a/include/llvm/CodeGen/SelectionDAG.h b/include/llvm/CodeGen/SelectionDAG.h
index 7ebc698bad..4f532ba43b 100644
--- a/include/llvm/CodeGen/SelectionDAG.h
+++ b/include/llvm/CodeGen/SelectionDAG.h
@@ -589,9 +589,10 @@ public:
   void dump() const;
 
   /// CreateStackTemporary - Create a stack temporary, suitable for holding the
-  /// specified value type.
-  SDOperand CreateStackTemporary(MVT VT);
-
+  /// specified value type.  If minAlign is specified, the slot size will have
+  /// at least that alignment.
+  SDOperand CreateStackTemporary(MVT VT, unsigned minAlign = 1);
+  
   /// FoldSetCC - Constant fold a setcc to true or false.
   SDOperand FoldSetCC(MVT VT, SDOperand N1,
                       SDOperand N2, ISD::CondCode Cond);