[llvm] [SelectionDAG] Assert on non-FP operand to `computeKnownFPClass` (PR #189752)

[via llvm-commits]

https://github.com/zGoldthorpe updated https://github.com/llvm/llvm-project/pull/189752

>From ca9da121e88ab598952907d0852d04ca52615f5c Mon Sep 17 00:00:00 2001
From: Zach Goldthorpe <Zach.Goldthorpe at amd.com>
Date: Tue, 31 Mar 2026 16:04:34 -0500
Subject: [PATCH] [SelectionDAG] Assert on non-FP operand to
 `computeKnownFPClass`

---
 llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 3716de880cce3..27312aaa199f0 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -6077,6 +6077,7 @@ KnownFPClass SelectionDAG::computeKnownFPClass(SDValue Op,
     return Known;
 
   [[maybe_unused]] EVT VT = Op.getValueType();
+  assert(VT.isFloatingPoint() && "Computing KnownFPClass on non-FP op!");
   assert((!VT.isFixedLengthVector() ||
           DemandedElts.getBitWidth() == VT.getVectorNumElements()) &&
          "Unexpected vector size");