Remove optnone from FullUnroll.ll

[aeubanks]

Summary

The function shouldn't be optimized if it's marked with optnone.

[echristo]

I may need to comment it better, but in this case part of it is that it's designed to only have the forced loop unroller run on it.

[aeubanks]

In D83525#2143062, @echristo wrote:

I may need to comment it better, but in this case part of it is that it's designed to only have the forced loop unroller run on it.

Ah I see, thanks for the explanation

llvm/test/Transforms/LoopUnroll/FullUnroll.ll

 ; everything inside of it so check for the loop structure and absence of
 ; conditional branches.
 ; CHECK-LABEL: bb
 ; CHECK: br label
 ; CHECK-NOT: br i1
 ; CHECK: br label
 ; CHECK-NOT: br i1
 
-; Function Attrs: noinline nounwind optnone uwtable
+; Function Attrs: noinline nounwind uwtable
 define void @foo() #0 {
 bb:
   %tmp = alloca [5 x i32*], align 16
   %tmp1 = alloca i32, align 4
   %tmp2 = alloca i32, align 4
   store i32 5, i32* %tmp1, align 4
   br label %bb3
 

 
 bb23:                                             ; preds = %bb7
   br label %bb3
 
 bb24:                                             ; preds = %bb3
   ret void
 }
 
-attributes #0 = { noinline nounwind optnone uwtable }
+attributes #0 = { noinline nounwind uwtable }
 
 !llvm.module.flags = !{!0}
 
 !0 = !{i32 1, !"wchar_size", i32 4}
 !1 = distinct !{!1, !2}
 !2 = !{!"llvm.loop.unroll.full"}