1 ; RUN: opt -tbaa -basicaa -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, %union.vector_t* %t, i64 0, i32 0, i64 1
16 ; CHECK: %tmp32 = load i64, i64* %arrayidx31, align 8, !tbaa [[TAG:!.*]]
18 define void @vrlh(%union.vector_t* %va, %union.vector_t* %vb, %union.vector_t* %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 %half = bitcast %union.vector_t* %vb to [8 x i16]*
28 %arrayidx = getelementptr inbounds [8 x i16], [8 x i16]* %half, i64 0, i64 %idxprom
29 %tmp4 = load i16, i16* %arrayidx, align 2, !tbaa !10
30 %conv = zext i16 %tmp4 to i32
31 %and = and i32 %conv, 15
32 %sub6 = sub nsw i32 7, %i.01
33 %idxprom7 = sext i32 %sub6 to i64
34 %half9 = bitcast %union.vector_t* %va to [8 x i16]*
35 %arrayidx10 = getelementptr inbounds [8 x i16], [8 x i16]* %half9, i64 0, i64 %idxprom7
36 %tmp11 = load i16, i16* %arrayidx10, align 2, !tbaa !10
37 %conv12 = zext i16 %tmp11 to i32
38 %shl = shl i32 %conv12, %and
39 %sub15 = sub nsw i32 7, %i.01
40 %idxprom16 = sext i32 %sub15 to i64
41 %half18 = bitcast %union.vector_t* %va to [8 x i16]*
42 %arrayidx19 = getelementptr inbounds [8 x i16], [8 x i16]* %half18, i64 0, i64 %idxprom16
43 %tmp20 = load i16, i16* %arrayidx19, align 2, !tbaa !10
44 %conv21 = zext i16 %tmp20 to i32
45 %sub23 = sub nsw i32 16, %and
46 %shr = lshr i32 %conv21, %sub23
47 %or = or i32 %shl, %shr
48 %conv24 = trunc i32 %or to i16
49 %sub26 = sub nsw i32 7, %i.01
50 %idxprom27 = sext i32 %sub26 to i64
51 %half28 = bitcast %union.vector_t* %t to [8 x i16]*
52 %arrayidx29 = getelementptr inbounds [8 x i16], [8 x i16]* %half28, i64 0, i64 %idxprom27
53 store i16 %conv24, i16* %arrayidx29, align 2, !tbaa !10
54 %inc = add nsw i32 %i.01, 1
55 %cmp = icmp slt i32 %inc, 8
56 br i1 %cmp, label %for.body, label %for.end
58 for.end: ; preds = %for.body
59 %arrayidx31 = getelementptr inbounds %union.vector_t, %union.vector_t* %t, i64 0, i32 0, i64 1
60 %tmp32 = load i64, i64* %arrayidx31, align 8, !tbaa !10
61 %arrayidx35 = getelementptr inbounds %union.vector_t, %union.vector_t* %vd, i64 0, i32 0, i64 1
62 store i64 %tmp32, i64* %arrayidx35, align 8, !tbaa !10
63 %arrayidx37 = getelementptr inbounds %union.vector_t, %union.vector_t* %t, i64 0, i32 0, i64 0
64 %tmp38 = load i64, i64* %arrayidx37, align 8, !tbaa !10
65 %arrayidx41 = getelementptr inbounds %union.vector_t, %union.vector_t* %vd, i64 0, i32 0, i64 0
66 store i64 %tmp38, i64* %arrayidx41, align 8, !tbaa !10
70 ; Do delete the load after the loop.
72 ; CHECK: define i32 @test0(
76 define i32 @test0(%struct.X* %a) nounwind {
78 %i = getelementptr inbounds %struct.X, %struct.X* %a, i64 0, i32 0
79 store i32 0, i32* %i, align 4, !tbaa !4
82 for.body: ; preds = %entry, %for.body
83 %i2.01 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
84 %f = getelementptr inbounds %struct.X, %struct.X* %a, i64 %i2.01, i32 1
85 %tmp6 = load float, float* %f, align 4, !tbaa !5
86 %mul = fmul float %tmp6, 0x40019999A0000000
87 store float %mul, float* %f, align 4, !tbaa !5
88 %inc = add nsw i64 %i2.01, 1
89 %cmp = icmp slt i64 %inc, 10000
90 br i1 %cmp, label %for.body, label %for.end
92 for.end: ; preds = %for.body
93 %i9 = getelementptr inbounds %struct.X, %struct.X* %a, i64 0, i32 0
94 %tmp10 = load i32, i32* %i9, align 4, !tbaa !4
98 ; Do delete the load after the loop.
100 ; CHECK: define float @test1(
102 ; CHECK: ret float 0x3FD3333340000000
104 define float @test1(%struct.X* %a) nounwind {
106 %f = getelementptr inbounds %struct.X, %struct.X* %a, i64 0, i32 1
107 store float 0x3FD3333340000000, float* %f, align 4, !tbaa !5
110 for.body: ; preds = %entry, %for.body
111 %i.01 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
112 %i5 = getelementptr inbounds %struct.X, %struct.X* %a, i64 %i.01, i32 0
113 %tmp6 = load i32, i32* %i5, align 4, !tbaa !4
114 %mul = mul nsw i32 %tmp6, 3
115 store i32 %mul, i32* %i5, align 4, !tbaa !4
116 %inc = add nsw i64 %i.01, 1
117 %cmp = icmp slt i64 %inc, 10000
118 br i1 %cmp, label %for.body, label %for.end
120 for.end: ; preds = %for.body
121 %f9 = getelementptr inbounds %struct.X, %struct.X* %a, i64 0, i32 1
122 %tmp10 = load float, float* %f9, align 4, !tbaa !5
126 ; CHECK: [[TAG]] = !{[[TYPE_LL:!.*]], [[TYPE_LL]], i64 0}
127 ; CHECK: [[TYPE_LL]] = !{!"omnipotent char", {{!.*}}}
128 !0 = !{!6, !6, i64 0}
129 !1 = !{!"omnipotent char", !2}
130 !2 = !{!"Simple C/C++ TBAA"}
131 !3 = !{!7, !7, i64 0}
132 !4 = !{!8, !8, i64 0}
133 !5 = !{!9, !9, i64 0}
135 !7 = !{!"long long", !1}
138 !10 = !{!1, !1, i64 0}