; REQUIRES: asserts ; RUN: opt < %s -loop-vectorize -force-vector-interleave=1 -S -debug-only=loop-vectorize 2>&1 | FileCheck %s target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128" target triple = "aarch64--linux-gnu" ; CHECK-LABEL: all_scalar ; CHECK: LV: Found scalar instruction: %i.next = add nuw nsw i64 %i, 2 ; CHECK: LV: Found an estimated cost of 1 for VF 2 For instruction: %i.next = add nuw nsw i64 %i, 2 ; CHECK: LV: Not considering vector loop of width 2 because it will not generate any vector instructions ; define void @all_scalar(i64* %a, i64 %n) { entry: br label %for.body for.body: %i = phi i64 [ 0, %entry ], [ %i.next, %for.body ] %tmp0 = getelementptr i64, i64* %a, i64 %i store i64 0, i64* %tmp0, align 1 %i.next = add nuw nsw i64 %i, 2 %cond = icmp eq i64 %i.next, %n br i1 %cond, label %for.end, label %for.body for.end: ret void } ; CHECK-LABEL: PR33193 ; CHECK: LV: Found scalar instruction: %i.next = zext i32 %j.next to i64 ; CHECK: LV: Found an estimated cost of 0 for VF 8 For instruction: %i.next = zext i32 %j.next to i64 ; CHECK: LV: Not considering vector loop of width 8 because it will not generate any vector instructions %struct.a = type { i32, i8 } define void @PR33193(%struct.a* %a, i64 %n) { entry: br label %for.body for.body: %i = phi i64 [ 0, %entry ], [ %i.next, %for.body ] %j = phi i32 [ 0, %entry ], [ %j.next, %for.body ] %tmp0 = getelementptr inbounds %struct.a, %struct.a* %a, i64 %i, i32 1 store i8 0, i8* %tmp0, align 4 %j.next = add i32 %j, 1 %i.next = zext i32 %j.next to i64 %cond = icmp ugt i64 %n, %i.next br i1 %cond, label %for.body, label %for.end for.end: ret void }