1 ; RUN: opt -aa-pipeline=tbaa,basic-aa -passes=gvn -S < %s | FileCheck %s
4 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"
6 %struct.X = type { i32, float }
7 %union.vector_t = type { [2 x i64] }
9 ; Don't delete the load after the loop, because it loads values stored
12 ; CHECK: define void @vrlh(
15 ; CHECK: %arrayidx31 = getelementptr inbounds %union.vector_t, ptr %t, i64 0, i32 0, i64 1
16 ; CHECK: %tmp32 = load i64, ptr %arrayidx31, align 8, !tbaa [[TAG:!.*]]
18 define void @vrlh(ptr %va, ptr %vb, ptr %vd) nounwind {
20 %t = alloca %union.vector_t, align 8
23 for.body: ; preds = %entry, %for.body
24 %i.01 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
25 %sub = sub nsw i32 7, %i.01
26 %idxprom = sext i32 %sub to i64
27 %arrayidx = getelementptr inbounds [8 x i16], ptr %vb, i64 0, i64 %idxprom
28 %tmp4 = load i16, ptr %arrayidx, align 2, !tbaa !10
29 %conv = zext i16 %tmp4 to i32
30 %and = and i32 %conv, 15
31 %sub6 = sub nsw i32 7, %i.01
32 %idxprom7 = sext i32 %sub6 to i64
33 %arrayidx10 = getelementptr inbounds [8 x i16], ptr %va, i64 0, i64 %idxprom7
34 %tmp11 = load i16, ptr %arrayidx10, align 2, !tbaa !10
35 %conv12 = zext i16 %tmp11 to i32
36 %shl = shl i32 %conv12, %and
37 %sub15 = sub nsw i32 7, %i.01
38 %idxprom16 = sext i32 %sub15 to i64
39 %arrayidx19 = getelementptr inbounds [8 x i16], ptr %va, i64 0, i64 %idxprom16
40 %tmp20 = load i16, ptr %arrayidx19, align 2, !tbaa !10
41 %conv21 = zext i16 %tmp20 to i32
42 %sub23 = sub nsw i32 16, %and
43 %shr = lshr i32 %conv21, %sub23
44 %or = or i32 %shl, %shr
45 %conv24 = trunc i32 %or to i16
46 %sub26 = sub nsw i32 7, %i.01
47 %idxprom27 = sext i32 %sub26 to i64
48 %arrayidx29 = getelementptr inbounds [8 x i16], ptr %t, i64 0, i64 %idxprom27
49 store i16 %conv24, ptr %arrayidx29, align 2, !tbaa !10
50 %inc = add nsw i32 %i.01, 1
51 %cmp = icmp slt i32 %inc, 8
52 br i1 %cmp, label %for.body, label %for.end
54 for.end: ; preds = %for.body
55 %arrayidx31 = getelementptr inbounds %union.vector_t, ptr %t, i64 0, i32 0, i64 1
56 %tmp32 = load i64, ptr %arrayidx31, align 8, !tbaa !10
57 %arrayidx35 = getelementptr inbounds %union.vector_t, ptr %vd, i64 0, i32 0, i64 1
58 store i64 %tmp32, ptr %arrayidx35, align 8, !tbaa !10
59 %tmp38 = load i64, ptr %t, align 8, !tbaa !10
60 store i64 %tmp38, ptr %vd, align 8, !tbaa !10
64 ; Do delete the load after the loop.
66 ; CHECK: define i32 @test0(
70 define i32 @test0(ptr %a) nounwind {
72 store i32 0, ptr %a, align 4, !tbaa !4
75 for.body: ; preds = %entry, %for.body
76 %i2.01 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
77 %f = getelementptr inbounds %struct.X, ptr %a, i64 %i2.01, i32 1
78 %tmp6 = load float, ptr %f, align 4, !tbaa !5
79 %mul = fmul float %tmp6, 0x40019999A0000000
80 store float %mul, ptr %f, align 4, !tbaa !5
81 %inc = add nsw i64 %i2.01, 1
82 %cmp = icmp slt i64 %inc, 10000
83 br i1 %cmp, label %for.body, label %for.end
85 for.end: ; preds = %for.body
86 %tmp10 = load i32, ptr %a, align 4, !tbaa !4
90 ; Do delete the load after the loop.
92 ; CHECK: define float @test1(
94 ; CHECK: ret float 0x3FD3333340000000
96 define float @test1(ptr %a) nounwind {
98 %f = getelementptr inbounds %struct.X, ptr %a, i64 0, i32 1
99 store float 0x3FD3333340000000, ptr %f, align 4, !tbaa !5
102 for.body: ; preds = %entry, %for.body
103 %i.01 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
104 %i5 = getelementptr inbounds %struct.X, ptr %a, i64 %i.01, i32 0
105 %tmp6 = load i32, ptr %i5, align 4, !tbaa !4
106 %mul = mul nsw i32 %tmp6, 3
107 store i32 %mul, ptr %i5, align 4, !tbaa !4
108 %inc = add nsw i64 %i.01, 1
109 %cmp = icmp slt i64 %inc, 10000
110 br i1 %cmp, label %for.body, label %for.end
112 for.end: ; preds = %for.body
113 %f9 = getelementptr inbounds %struct.X, ptr %a, i64 0, i32 1
114 %tmp10 = load float, ptr %f9, align 4, !tbaa !5
118 ; CHECK: [[TAG]] = !{[[TYPE_LL:!.*]], [[TYPE_LL]], i64 0}
119 ; CHECK: [[TYPE_LL]] = !{!"omnipotent char", {{!.*}}}
120 !0 = !{!6, !6, i64 0}
121 !1 = !{!"omnipotent char", !2}
122 !2 = !{!"Simple C/C++ TBAA"}
123 !3 = !{!7, !7, i64 0}
124 !4 = !{!8, !8, i64 0}
125 !5 = !{!9, !9, i64 0}
127 !7 = !{!"long long", !1}
130 !10 = !{!1, !1, i64 0}