[Mlir-commits] [mlir] a2615ad - [mlir] Align mlir::Block (#106717)

[llvmlistbot at llvm.org]

Author: JoelWee
Date: 2024-08-30T16:58:41+01:00
New Revision: a2615ad45c73095dfda6ae546de107aacb10cbb7

URL: https://github.com/llvm/llvm-project/commit/a2615ad45c73095dfda6ae546de107aacb10cbb7
DIFF: https://github.com/llvm/llvm-project/commit/a2615ad45c73095dfda6ae546de107aacb10cbb7.diff

LOG: [mlir] Align mlir::Block (#106717)

This fixes an error from the LatticeAnchor PointerUnion with
ProgramPoint in b6603e1bf1

```
third_party/llvm/llvm-project/llvm/include/llvm/ADT/PointerIntPair.h:172:17: error: static assertion failed due to requirement '2U <= PointerUnionUIntTraits<mlir::GenericLatticeAnchor *, mlir::ProgramPoint, mlir::Value>::NumLowBitsAvailable': PointerIntPair with integer size too large for pointer
  172 |   static_assert(IntBits <= PtrTraits::NumLowBitsAvailable,
```

Added: 
    

Modified: 
    mlir/include/mlir/IR/Block.h

Removed: 
    


################################################################################
diff  --git a/mlir/include/mlir/IR/Block.h b/mlir/include/mlir/IR/Block.h
index e4fddfcb7608e6..67825eb1704bbe 100644
--- a/mlir/include/mlir/IR/Block.h
+++ b/mlir/include/mlir/IR/Block.h
@@ -27,8 +27,8 @@ template <typename ValueRangeT>
 class ValueTypeRange;
 
 /// `Block` represents an ordered list of `Operation`s.
-class Block : public IRObjectWithUseList<BlockOperand>,
-              public llvm::ilist_node_with_parent<Block, Region> {
+class alignas(8) Block : public IRObjectWithUseList<BlockOperand>,
+                         public llvm::ilist_node_with_parent<Block, Region> {
 public:
   explicit Block() = default;
   ~Block();