[flang-commits] [flang] 0eca265 - [flang][cuda] Fix memory side effects on cuf.data_transfer op (#92928)

[via flang-commits]

Author: Valentin Clement (バレンタイン クレメン)
Date: 2024-05-21T09:59:35-07:00
New Revision: 0eca2655843e1b79e6c65c7239bce8c9a1509568

URL: https://github.com/llvm/llvm-project/commit/0eca2655843e1b79e6c65c7239bce8c9a1509568
DIFF: https://github.com/llvm/llvm-project/commit/0eca2655843e1b79e6c65c7239bce8c9a1509568.diff

LOG: [flang][cuda] Fix memory side effects on cuf.data_transfer op (#92928)

The memory side effects on the `cuf.data_transfer` operation were
swapped between the src and dst operands. We read from source and write
to destination not the opposite.

Added: 
    

Modified: 
    flang/include/flang/Optimizer/Dialect/CUF/CUFOps.td

Removed: 
    


################################################################################
diff  --git a/flang/include/flang/Optimizer/Dialect/CUF/CUFOps.td b/flang/include/flang/Optimizer/Dialect/CUF/CUFOps.td
index 72157bce4f768..1c98b4131a139 100644
--- a/flang/include/flang/Optimizer/Dialect/CUF/CUFOps.td
+++ b/flang/include/flang/Optimizer/Dialect/CUF/CUFOps.td
@@ -154,8 +154,8 @@ def cuf_DataTransferOp : cuf_Op<"data_transfer", []> {
     ```
   }];
 
-  let arguments = (ins Arg<AnyReferenceLike, "", [MemWrite]>:$src,
-                       Arg<AnyReferenceLike, "", [MemRead]>:$dst,
+  let arguments = (ins Arg<AnyReferenceLike, "", [MemRead]>:$src,
+                       Arg<AnyReferenceLike, "", [MemWrite]>:$dst,
                        cuf_DataTransferKindAttr:$transfer_kind);
 
   let assemblyFormat = [{