-; RUN: opt < %s -loop-vectorize -force-vector-width=4 -dce -instcombine -licm -S | FileCheck %s
+; RUN: opt < %s -loop-vectorize -force-vector-unroll=1 -force-vector-width=4 -dce -instcombine -S | FileCheck %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"
target triple = "x86_64-apple-macosx10.8.0"
; for (i=0; i<n; i++){
; a[i] += i;
; }
-;CHECK: @inc
+;CHECK-LABEL: @inc(
;CHECK: load <4 x i32>
-;CHECK: add <4 x i32>
+;CHECK: add nsw <4 x i32>
;CHECK: store <4 x i32>
;CHECK: ret void
define void @inc(i32 %n) nounwind uwtable noinline ssp {
; for (i = 0; i < n; ++i) {
; A[B[i]]++;
;
-;CHECK: @histogram
+;CHECK-LABEL: @histogram(
;CHECK-NOT: <4 x i32>
;CHECK: ret i32
define i32 @histogram(i32* nocapture noalias %A, i32* nocapture noalias %B, i32 %n) nounwind uwtable ssp {