1 ; RUN: opt < %s -loop-vectorize -mtriple=thumbv7-apple-ios3.0.0 -mcpu=swift -S -dce | FileCheck %s
3 target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:32:64-v128:32:128-a0:0:32-n32-S32"
4 target triple = "thumbv7-apple-ios3.0.0"
6 @b = common global [2048 x i32] zeroinitializer, align 16
7 @c = common global [2048 x i32] zeroinitializer, align 16
8 @a = common global [2048 x i32] zeroinitializer, align 16
11 ;CHECK-LABEL: @example1(
12 ;CHECK: load <4 x i32>
13 ;CHECK: add nsw <4 x i32>
14 ;CHECK: store <4 x i32>
16 define void @example1() nounwind uwtable ssp {
19 ; <label>:1 ; preds = %1, %0
20 %indvars.iv = phi i64 [ 0, %0 ], [ %indvars.iv.next, %1 ]
21 %2 = getelementptr inbounds [2048 x i32], [2048 x i32]* @b, i64 0, i64 %indvars.iv
22 %3 = load i32, i32* %2, align 4
23 %4 = getelementptr inbounds [2048 x i32], [2048 x i32]* @c, i64 0, i64 %indvars.iv
24 %5 = load i32, i32* %4, align 4
25 %6 = add nsw i32 %5, %3
26 %7 = getelementptr inbounds [2048 x i32], [2048 x i32]* @a, i64 0, i64 %indvars.iv
27 store i32 %6, i32* %7, align 4
28 %indvars.iv.next = add i64 %indvars.iv, 1
29 %lftr.wideiv = trunc i64 %indvars.iv.next to i32
30 %exitcond = icmp eq i32 %lftr.wideiv, 256
31 br i1 %exitcond, label %8, label %1
33 ; <label>:8 ; preds = %1
37 ;CHECK-LABEL: @example10b(
38 ;CHECK: load <4 x i16>
39 ;CHECK: sext <4 x i16>
40 ;CHECK: store <4 x i32>
42 define void @example10b(i16* noalias nocapture %sa, i16* noalias nocapture %sb, i16* noalias nocapture %sc, i32* noalias nocapture %ia, i32* noalias nocapture %ib, i32* noalias nocapture %ic) nounwind uwtable ssp {
45 ; <label>:1 ; preds = %1, %0
46 %indvars.iv = phi i64 [ 0, %0 ], [ %indvars.iv.next, %1 ]
47 %2 = getelementptr inbounds i16, i16* %sb, i64 %indvars.iv
48 %3 = load i16, i16* %2, align 2
49 %4 = sext i16 %3 to i32
50 %5 = getelementptr inbounds i32, i32* %ia, i64 %indvars.iv
51 store i32 %4, i32* %5, align 4
52 %indvars.iv.next = add i64 %indvars.iv, 1
53 %lftr.wideiv = trunc i64 %indvars.iv.next to i32
54 %exitcond = icmp eq i32 %lftr.wideiv, 1024
55 br i1 %exitcond, label %6, label %1
57 ; <label>:6 ; preds = %1