[Mlir-commits] [mlir] 9f235a8 - [mlir][msan] Don't access destroyed node

[Vitaly Buka]

Author: Vitaly Buka
Date: 2022-04-28T08:58:27-07:00
New Revision: 9f235a88f171b4ae6bcb9b45f5639c3810d5bf20

URL: https://github.com/llvm/llvm-project/commit/9f235a88f171b4ae6bcb9b45f5639c3810d5bf20
DIFF: https://github.com/llvm/llvm-project/commit/9f235a88f171b4ae6bcb9b45f5639c3810d5bf20.diff

LOG: [mlir][msan] Don't access destroyed node

Added: 
    

Modified: 
    mlir/lib/Dialect/Affine/Transforms/LoopFusion.cpp

Removed: 
    


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diff  --git a/mlir/lib/Dialect/Affine/Transforms/LoopFusion.cpp b/mlir/lib/Dialect/Affine/Transforms/LoopFusion.cpp
index bf028c31a8541..6e633cf3c81e9 100644
--- a/mlir/lib/Dialect/Affine/Transforms/LoopFusion.cpp
+++ b/mlir/lib/Dialect/Affine/Transforms/LoopFusion.cpp
@@ -1949,8 +1949,9 @@ struct GreedyFusion {
     // edges, and it does not write to a memref which escapes the
     // function.
     if (mdg->getOutEdgeCount(sibNode->id) == 0) {
+      Operation *op = sibNode->op;
       mdg->removeNode(sibNode->id);
-      sibNode->op->erase();
+      op->erase();
     }
   }