[Mlir-commits] [mlir] [MLIR][NVVM] Fixed assertion failure for insufficient parsing validation of nvvm dialect PureSpecialRangeableRegisterOp (PR #163434)

Guray Ozen llvmlistbot at llvm.org
Tue Oct 14 12:31:02 PDT 2025


================
@@ -279,6 +280,23 @@ class NVVM_PureSpecialRangeableRegisterOp<string mnemonic, list<Trait> traits =
         SetIntRangeFn setResultRanges) {
         nvvmInferResultRanges(getOperation(), getResult(), argRanges, setResultRanges);
     }
+
+    // Verify the range attribute satisfies LLVM ConstantRange constructor requirements.
+    ::llvm::LogicalResult $cppClass::verify() {
+      auto rangeAttr = getRange();
+      if (!rangeAttr)
+        return ::mlir::success(); // No range specified, validation passes
+      
+      const ::llvm::APInt &lower = rangeAttr->getLower();
----------------
grypp wrote:

We have never verified the range attribute if I'm not mistaken. 

I think we can do that for the other ops as well. 

https://github.com/llvm/llvm-project/pull/163434


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