[llvm] [VPlan] Handle single-scalar conds in VPWidenSelectRecipe. (PR #165506)

[Florian Hahn via llvm-commits]

================
@@ -48,7 +48,7 @@ define i8 @select_icmp_var_start(ptr %a, i8 %n, i8 %start) {
 ; CHECK:       [[VEC_EPILOG_ITER_CHECK]]:
 ; CHECK-NEXT:    [[IND_END:%.*]] = trunc i32 [[N_VEC]] to i8
 ; CHECK-NEXT:    [[MIN_EPILOG_ITERS_CHECK:%.*]] = icmp ult i32 [[N_MOD_VF]], 8
-; CHECK-NEXT:    br i1 [[MIN_EPILOG_ITERS_CHECK]], label %[[VEC_EPILOG_SCALAR_PH]], label %[[VEC_EPILOG_PH]]
+; CHECK-NEXT:    br i1 [[MIN_EPILOG_ITERS_CHECK]], label %[[VEC_EPILOG_SCALAR_PH]], label %[[VEC_EPILOG_PH]], !prof [[PROF3:![0-9]+]]
----------------
fhahn wrote:

This is a fallout from auto-generating, as the old checks were generated without the !prof metadata. Stripped them for now, thanks

https://github.com/llvm/llvm-project/pull/165506