[llvm] [X86] Try Folding icmp of v8i32 -> fcmp of v8f32 on AVX (PR #82290)

[via llvm-commits]

================
@@ -41125,6 +41255,154 @@ static SDValue combineShuffle(SDNode *N, SelectionDAG &DAG,
   return SDValue();
 }
 
+// Simplify a decomposed (sext (setcc)). Assumes prior check that
+// bitwidth(sext)==bitwidth(setcc operands).
+static SDValue simplifySExtOfDecomposedSetCCImpl(
----------------
goldsteinn wrote:

Okay, dropped the simplifcations from this patch. See: https://github.com/llvm/llvm-project/pull/84360 (based on this one).

https://github.com/llvm/llvm-project/pull/82290