Don't try to form pre/post-indexed loads/stores until after LegalizeDAG runs. Fixes PR11029.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144438 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 e4de462e00..ccd35c4a16 100644
--- a/include/llvm/CodeGen/SelectionDAG.h
+++ b/include/llvm/CodeGen/SelectionDAG.h
@@ -112,9 +112,10 @@ public:
 };
 
 enum CombineLevel {
-  Unrestricted,   // Combine may create illegal operations and illegal types.
-  NoIllegalTypes, // Combine may create illegal operations but no illegal types.
-  NoIllegalOperations // Combine may only create legal operations and types.
+  BeforeLegalizeTypes,
+  AfterLegalizeTypes,
+  AfterLegalizeVectorOps,
+  AfterLegalizeDAG
 };
 
 class SelectionDAG;