[Mlir-commits] [mlir] [mlir] Emit an error when dense i1 array values are not `true` or `false` (PR #173533)

llvmlistbot at llvm.org llvmlistbot at llvm.org
Thu Dec 25 00:42:51 PST 2025


llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-mlir

Author: Longsheng Mou (CoTinker)

<details>
<summary>Changes</summary>

Fixes #<!-- -->173373.

---
Full diff: https://github.com/llvm/llvm-project/pull/173533.diff


2 Files Affected:

- (modified) mlir/lib/AsmParser/AttributeParser.cpp (+2) 
- (modified) mlir/test/IR/invalid-builtin-attributes.mlir (+10) 


``````````diff
diff --git a/mlir/lib/AsmParser/AttributeParser.cpp b/mlir/lib/AsmParser/AttributeParser.cpp
index dcb21e7d0831d..374471fd3ed41 100644
--- a/mlir/lib/AsmParser/AttributeParser.cpp
+++ b/mlir/lib/AsmParser/AttributeParser.cpp
@@ -883,6 +883,8 @@ ParseResult DenseArrayElementParser::parseIntegerElement(Parser &p) {
                   !type.isUnsignedInteger());
     p.consumeToken();
   } else if (p.consumeIf(Token::integer)) {
+    if (type.isInteger(1))
+      return p.emitError("expected 'true' or 'false' values for i1 type");
     value = buildAttributeAPInt(type, isNegative, spelling);
     if (!value)
       return p.emitError("integer constant out of range");
diff --git a/mlir/test/IR/invalid-builtin-attributes.mlir b/mlir/test/IR/invalid-builtin-attributes.mlir
index 58d4940eaf874..0d00b3141fbc6 100644
--- a/mlir/test/IR/invalid-builtin-attributes.mlir
+++ b/mlir/test/IR/invalid-builtin-attributes.mlir
@@ -580,6 +580,16 @@ func.func @duplicate_dictionary_attr_key() {
 
 // -----
 
+// expected-error at below {{expected i1 type for 'true' or 'false' values}}
+#attr = array<i8: true>
+
+// -----
+
+// expected-error at below {{expected 'true' or 'false' values for i1 type}}
+#attr = array<i1: 0>
+
+// -----
+
 // expected-error at below {{expected '[' after 'distinct'}}
 #attr = distinct<
 

``````````

</details>


https://github.com/llvm/llvm-project/pull/173533


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