Integrate LLVM at llvm/llvm-project@b214ca82daee

Updates LLVM usage to match
[b214ca82daee](llvm/llvm-project@b214ca82daee)

PiperOrigin-RevId: 700689999

xls/contrib/mlir/transforms/arith_to_xls_patterns.td

@@ -64,8 +64,12 @@ def : FCmpPat<"ole", (Xls_CallDslxOp (FloatLib $lhs), CS<"lte_2">,
                                      (variadic $lhs, $rhs), ConstUnitAttr)>;
 
 // Define unordered(x, y) = is_nan(x + y)
+def createDenormalIEEE : NativeCodeCall<
+    "::mlir::arith::DenormalModeAttr::get("
+      "$_builder.getContext(), ::mlir::arith::DenormalMode::ieee"
+    ")">;
 def : FCmpPat<"uno", (Xls_CallDslxOp (FloatLib $lhs), CS<"is_nan">,
-                                     (variadic (Arith_AddFOp $lhs, $rhs, $fmf)),
+                                     (variadic (Arith_AddFOp $lhs, $rhs, $fmf, (createDenormalIEEE))),
                                      ConstUnitAttr)>;
 
 def : BinaryOpOverflowPat<Arith_ShLIOp, Xls_ShllOp>;
@@ -119,7 +123,7 @@ defvar ExtLib = CS<"xls/contrib/mlir/stdlib/fp_ext_trunc.x">;
 
 // Emits a binary float library call.
 class FloatLibcall<Op Op, string Name> :
-    Pat<(Op:$op $a, $b, /*FastMathFlags=*/$_),
+    Pat<(Op:$op $a, $b, /*FastMathFlags=*/$_, /*denormal=*/$_),
         (Xls_CallDslxOp (FloatLib $a), CS<Name>, (variadic $a, $b), ConstUnitAttr)>;
 
 def : FloatLibcall<Arith_AddFOp, "add">;
@@ -177,7 +181,7 @@ class MinMaxPatBase<dag Matcher, dag Predicate> : Pat<
   (createSelOp2Cases Predicate, $a, $b)>;
 
 class FPMinMaxPat<Op Op, string Name> : MinMaxPatBase<
-  (Op:$op $a, $b, /*FastMathFlags=*/$_),
+  (Op:$op $a, $b, /*FastMathFlags=*/$_, /*denormal=*/$_),
   (Xls_CallDslxOp (FloatLib $a), CS<Name>, (variadic $a, $b), ConstUnitAttr,
      (returnType "boolLike(op)"))>;