1; RUN: opt < %s  -loop-vectorize -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7 -S | FileCheck %s
2target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
3target triple = "x86_64-unknown-linux-gnu"
4
5; Function Attrs: nounwind uwtable
6define void @test1(float* noalias nocapture %a, float* noalias nocapture readonly %b) #0 {
7entry:
8  br label %for.body
9
10; CHECK-LABEL: @test1
11; CHECK: vector.body:
12; CHECK: @llvm.assume
13; CHECK: @llvm.assume
14; CHECK: @llvm.assume
15; CHECK: @llvm.assume
16; CHECK: @llvm.assume
17; CHECK: @llvm.assume
18; CHECK: @llvm.assume
19; CHECK: @llvm.assume
20; CHECK: for.body:
21; CHECK: ret void
22
23for.body:                                         ; preds = %for.body, %entry
24  %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
25  %arrayidx = getelementptr inbounds float, float* %b, i64 %indvars.iv
26  %0 = load float, float* %arrayidx, align 4
27  %cmp1 = fcmp ogt float %0, 1.000000e+02
28  tail call void @llvm.assume(i1 %cmp1)
29  %add = fadd float %0, 1.000000e+00
30  %arrayidx5 = getelementptr inbounds float, float* %a, i64 %indvars.iv
31  store float %add, float* %arrayidx5, align 4
32  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
33  %exitcond = icmp eq i64 %indvars.iv, 1599
34  br i1 %exitcond, label %for.end, label %for.body
35
36for.end:                                          ; preds = %for.body
37  ret void
38}
39
40; Function Attrs: nounwind
41declare void @llvm.assume(i1) #1
42
43attributes #0 = { nounwind uwtable }
44attributes #1 = { nounwind }
45
46%struct.data = type { float*, float* }
47
48; Function Attrs: nounwind uwtable
49define void @test2(%struct.data* nocapture readonly %d) #0 {
50entry:
51  %b = getelementptr inbounds %struct.data, %struct.data* %d, i64 0, i32 1
52  %0 = load float*, float** %b, align 8
53  %ptrint = ptrtoint float* %0 to i64
54  %maskedptr = and i64 %ptrint, 31
55  %maskcond = icmp eq i64 %maskedptr, 0
56  %a = getelementptr inbounds %struct.data, %struct.data* %d, i64 0, i32 0
57  %1 = load float*, float** %a, align 8
58  %ptrint2 = ptrtoint float* %1 to i64
59  %maskedptr3 = and i64 %ptrint2, 31
60  %maskcond4 = icmp eq i64 %maskedptr3, 0
61  br label %for.body
62
63; CHECK-LABEL: @test2
64; CHECK: vector.body:
65; CHECK: @llvm.assume
66; CHECK: @llvm.assume
67; CHECK: @llvm.assume
68; CHECK: @llvm.assume
69; CHECK: @llvm.assume
70; CHECK: @llvm.assume
71; CHECK: @llvm.assume
72; CHECK: @llvm.assume
73; CHECK: @llvm.assume
74; CHECK: @llvm.assume
75; CHECK: @llvm.assume
76; CHECK: @llvm.assume
77; CHECK: @llvm.assume
78; CHECK: @llvm.assume
79; CHECK: @llvm.assume
80; CHECK: @llvm.assume
81; CHECK: for.body:
82; CHECK: ret void
83
84for.body:                                         ; preds = %for.body, %entry
85  %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
86  tail call void @llvm.assume(i1 %maskcond)
87  %arrayidx = getelementptr inbounds float, float* %0, i64 %indvars.iv
88  %2 = load float, float* %arrayidx, align 4
89  %add = fadd float %2, 1.000000e+00
90  tail call void @llvm.assume(i1 %maskcond4)
91  %arrayidx5 = getelementptr inbounds float, float* %1, i64 %indvars.iv
92  store float %add, float* %arrayidx5, align 4
93  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
94  %exitcond = icmp eq i64 %indvars.iv, 1599
95  br i1 %exitcond, label %for.end, label %for.body
96
97for.end:                                          ; preds = %for.body
98  ret void
99}
100
101