[llvm] [GlobalISel] Support saturated truncate (PR #150219)

[David Green via llvm-commits]

================
@@ -367,5 +367,5 @@ def AArch64PostLegalizerCombiner
                         select_to_minmax, or_to_bsp, combine_concat_vector,
                         commute_constant_to_rhs, extract_vec_elt_combines,
                         push_freeze_to_prevent_poison_from_propagating,
-                        combine_mul_cmlt, combine_use_vector_truncate, extmultomull]> {
+                        combine_mul_cmlt, combine_use_vector_truncate, extmultomull, truncsat_combines]> {
----------------
davemgreen wrote:

Stick to 80 characters?

https://github.com/llvm/llvm-project/pull/150219