| ; RUN: opt < %s -loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -dce -instcombine -S |
| |
| target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" |
| |
| @a = common global i8 0, align 1 |
| @b = common global i8 0, align 1 |
| |
| define void @f() nounwind uwtable ssp { |
| scalar.ph: |
| store i8 0, i8* inttoptr (i64 1 to i8*), align 1 |
| %0 = load i8, i8* @a, align 1 |
| br label %for.body |
| |
| for.body: |
| %mul16 = phi i8 [ 0, %scalar.ph ], [ %mul, %for.body ] ; <------- i8 induction var. |
| %c.015 = phi i8 [ undef, %scalar.ph ], [ %conv8, %for.body ] |
| %conv2 = sext i8 %c.015 to i32 |
| %tobool = icmp ne i8 %c.015, 0 |
| %.sink = select i1 %tobool, i8 %c.015, i8 %0 |
| %mul = mul i8 %mul16, %.sink |
| %add = add nsw i32 %conv2, 1 |
| %conv8 = trunc i32 %add to i8 |
| %sext = shl i32 %add, 24 |
| %phitmp14 = icmp slt i32 %sext, 268435456 |
| br i1 %phitmp14, label %for.body, label %for.end |
| |
| for.end: ; preds = %for.body |
| store i8 %mul, i8* @b, align 1 |
| ret void |
| } |