[llvm-branch-commits] [llvm] DAG: Handle AssertNoFPClass in computeKnownBits (PR #167289)

Mon, 10 Nov 2025 05:02:49 -0800 

================
@@ -4121,6 +4121,27 @@ KnownBits SelectionDAG::computeKnownBits(SDValue Op, 
const APInt &DemandedElts,
     Known.One.clearLowBits(LogOfAlign);
     break;
   }
+  case ISD::AssertNoFPClass: {
+    Known = computeKnownBits(Op.getOperand(0), DemandedElts, Depth + 1);
----------------
dtcxzyw wrote:

Does SDAG's version of `computeKnownBits` also work for floating-point values?

https://github.com/llvm/llvm-project/pull/167289
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