1; RUN: opt < %s  -loop-vectorize -mattr=avx,+slow-unaligned-mem-32 -S | FileCheck %s --check-prefix=SLOWMEM32 --check-prefix=CHECK
2; RUN: opt < %s  -loop-vectorize -mattr=avx,-slow-unaligned-mem-32 -S | FileCheck %s --check-prefix=FASTMEM32 --check-prefix=CHECK
3
4target 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"
5target triple = "x86_64-apple-macosx10.8.0"
6
7; CHECK-LABEL: @read_mod_write_single_ptr(
8; CHECK: load <8 x float>
9; CHECK: ret i32
10define i32 @read_mod_write_single_ptr(float* nocapture %a, i32 %n) nounwind uwtable ssp {
11  %1 = icmp sgt i32 %n, 0
12  br i1 %1, label %.lr.ph, label %._crit_edge
13
14.lr.ph:                                           ; preds = %0, %.lr.ph
15  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
16  %2 = getelementptr inbounds float, float* %a, i64 %indvars.iv
17  %3 = load float, float* %2, align 4
18  %4 = fmul float %3, 3.000000e+00
19  store float %4, float* %2, align 4
20  %indvars.iv.next = add i64 %indvars.iv, 1
21  %lftr.wideiv = trunc i64 %indvars.iv.next to i32
22  %exitcond = icmp eq i32 %lftr.wideiv, %n
23  br i1 %exitcond, label %._crit_edge, label %.lr.ph
24
25._crit_edge:                                      ; preds = %.lr.ph, %0
26  ret i32 undef
27}
28
29
30; CHECK-LABEL: @read_mod_i64(
31; SLOWMEM32: load <2 x i64>
32; FASTMEM32: load <4 x i64>
33; CHECK: ret i32
34define i32 @read_mod_i64(i64* nocapture %a, i32 %n) nounwind uwtable ssp {
35  %1 = icmp sgt i32 %n, 0
36  br i1 %1, label %.lr.ph, label %._crit_edge
37
38.lr.ph:                                           ; preds = %0, %.lr.ph
39  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
40  %2 = getelementptr inbounds i64, i64* %a, i64 %indvars.iv
41  %3 = load i64, i64* %2, align 4
42  %4 = add i64 %3, 3
43  store i64 %4, i64* %2, align 4
44  %indvars.iv.next = add i64 %indvars.iv, 1
45  %lftr.wideiv = trunc i64 %indvars.iv.next to i32
46  %exitcond = icmp eq i32 %lftr.wideiv, %n
47  br i1 %exitcond, label %._crit_edge, label %.lr.ph
48
49._crit_edge:                                      ; preds = %.lr.ph, %0
50  ret i32 undef
51}
52
53