[llvm] [ExpandVectorPredication] Add vp.select to foldEVLIntoMask. (PR #157720)

[Ramkumar Ramachandra via llvm-commits]

================
@@ -69,6 +69,7 @@ define void @test_vp_int_v8(<8 x i32> %i0, <8 x i32> %i1, <8 x i32> %i2, <8 x i3
   %rF = call <8 x i32> @llvm.vp.lshr.v8i32(<8 x i32> %i0, <8 x i32> %i1, <8 x i1> %m, i32 %n)
   %r10 = call <8 x i32> @llvm.vp.shl.v8i32(<8 x i32> %i0, <8 x i32> %i1, <8 x i1> %m, i32 %n)
   %r11 = call <8 x i32> @llvm.vp.merge.v8i32(<8 x i1> %m, <8 x i32> %i0, <8 x i32> %i1, i32 %n)
+  %r12 = call <8 x i32> @llvm.vp.select.v8i32(<8 x i1> %m, <8 x i32> %i0, <8 x i32> %i1, i32 %n)
----------------
artagnon wrote:

Noting that maximu/minimum/maxnum/minnum are missing from this list. I think the code covers them though?

https://github.com/llvm/llvm-project/pull/157720