[llvm] [TableGen][SelectionDAG] Correctly check the range of a leaf immediate (PR #119931)

[Sergei Barannikov via llvm-commits]

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@@ -759,14 +759,17 @@ defm block_xor : block_op<xor>;
 // Insertions.
 def inserti8 : PatFrag<(ops node:$src1, node:$src2),
                        (or (and node:$src1, -256), node:$src2)>;
-def insertll : PatFrag<(ops node:$src1, node:$src2),
-                       (or (and node:$src1, 0xffffffffffff0000), node:$src2)>;
-def insertlh : PatFrag<(ops node:$src1, node:$src2),
-                       (or (and node:$src1, 0xffffffff0000ffff), node:$src2)>;
-def inserthl : PatFrag<(ops node:$src1, node:$src2),
-                       (or (and node:$src1, 0xffff0000ffffffff), node:$src2)>;
-def inserthh : PatFrag<(ops node:$src1, node:$src2),
-                       (or (and node:$src1, 0x0000ffffffffffff), node:$src2)>;
+
+class inserti16<int mask> : PatFrag<(ops node:$src1, node:$src2),
+                                    (or (and node:$src1, mask), node:$src2)>;
+
+def insertll   : inserti16<0xffff0000>;
+def insertlh   : inserti16<0x0000ffff>;
+def insertll64 : inserti16<0xffffffffffff0000>;
+def insertlh64 : inserti16<0xffffffff0000ffff>;
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s-barannikov wrote:

This one doesn't fit in i32 and triggered the error. Other changes are for consistency.

https://github.com/llvm/llvm-project/pull/119931