source: icGREP/icgrep-devel/llvm-3.8.0.src/test/CodeGen/AArch64/arm64-prefetch.ll @ 5027

Last change on this file since 5027 was 5027, checked in by cameron, 3 years ago

Upgrade to llvm 3.8

File size: 4.5 KB
Line 
1; RUN: llc %s -march arm64 -o - | FileCheck %s
2
3@a = common global i32* null, align 8
4
5define void @test(i32 %i, i32 %j) nounwind ssp {
6entry:
7  ; CHECK: @test
8  %j.addr = alloca i32, align 4
9  store i32 %j, i32* %j.addr, align 4, !tbaa !0
10  %tmp = bitcast i32* %j.addr to i8*
11  ; CHECK: prfum pldl1strm
12  call void @llvm.prefetch(i8* %tmp, i32 0, i32 0, i32 1)
13  ; CHECK: prfum pldl3keep
14  call void @llvm.prefetch(i8* %tmp, i32 0, i32 1, i32 1)
15  ; CHECK: prfum pldl2keep
16  call void @llvm.prefetch(i8* %tmp, i32 0, i32 2, i32 1)
17  ; CHECK: prfum pldl1keep
18  call void @llvm.prefetch(i8* %tmp, i32 0, i32 3, i32 1)
19
20  ; CHECK: prfum plil1strm
21  call void @llvm.prefetch(i8* %tmp, i32 0, i32 0, i32 0)
22  ; CHECK: prfum plil3keep
23  call void @llvm.prefetch(i8* %tmp, i32 0, i32 1, i32 0)
24  ; CHECK: prfum plil2keep
25  call void @llvm.prefetch(i8* %tmp, i32 0, i32 2, i32 0)
26  ; CHECK: prfum plil1keep
27  call void @llvm.prefetch(i8* %tmp, i32 0, i32 3, i32 0)
28
29  ; CHECK: prfum pstl1strm
30  call void @llvm.prefetch(i8* %tmp, i32 1, i32 0, i32 1)
31  ; CHECK: prfum pstl3keep
32  call void @llvm.prefetch(i8* %tmp, i32 1, i32 1, i32 1)
33  ; CHECK: prfum pstl2keep
34  call void @llvm.prefetch(i8* %tmp, i32 1, i32 2, i32 1)
35  ; CHECK: prfum pstl1keep
36  call void @llvm.prefetch(i8* %tmp, i32 1, i32 3, i32 1)
37
38  %tmp1 = load i32, i32* %j.addr, align 4, !tbaa !0
39  %add = add nsw i32 %tmp1, %i
40  %idxprom = sext i32 %add to i64
41  %tmp2 = load i32*, i32** @a, align 8, !tbaa !3
42  %arrayidx = getelementptr inbounds i32, i32* %tmp2, i64 %idxprom
43  %tmp3 = bitcast i32* %arrayidx to i8*
44
45  ; CHECK: prfm pldl1strm
46  call void @llvm.prefetch(i8* %tmp3, i32 0, i32 0, i32 1)
47  %tmp4 = load i32*, i32** @a, align 8, !tbaa !3
48  %arrayidx3 = getelementptr inbounds i32, i32* %tmp4, i64 %idxprom
49  %tmp5 = bitcast i32* %arrayidx3 to i8*
50
51  ; CHECK: prfm pldl3keep
52  call void @llvm.prefetch(i8* %tmp5, i32 0, i32 1, i32 1)
53  %tmp6 = load i32*, i32** @a, align 8, !tbaa !3
54  %arrayidx6 = getelementptr inbounds i32, i32* %tmp6, i64 %idxprom
55  %tmp7 = bitcast i32* %arrayidx6 to i8*
56
57  ; CHECK: prfm pldl2keep
58  call void @llvm.prefetch(i8* %tmp7, i32 0, i32 2, i32 1)
59  %tmp8 = load i32*, i32** @a, align 8, !tbaa !3
60  %arrayidx9 = getelementptr inbounds i32, i32* %tmp8, i64 %idxprom
61  %tmp9 = bitcast i32* %arrayidx9 to i8*
62
63  ; CHECK: prfm pldl1keep
64  call void @llvm.prefetch(i8* %tmp9, i32 0, i32 3, i32 1)
65  %tmp10 = load i32*, i32** @a, align 8, !tbaa !3
66  %arrayidx12 = getelementptr inbounds i32, i32* %tmp10, i64 %idxprom
67  %tmp11 = bitcast i32* %arrayidx12 to i8*
68
69
70  ; CHECK: prfm plil1strm
71  call void @llvm.prefetch(i8* %tmp11, i32 0, i32 0, i32 0)
72  %tmp12 = load i32*, i32** @a, align 8, !tbaa !3
73  %arrayidx15 = getelementptr inbounds i32, i32* %tmp12, i64 %idxprom
74  %tmp13 = bitcast i32* %arrayidx3 to i8*
75
76  ; CHECK: prfm plil3keep
77  call void @llvm.prefetch(i8* %tmp13, i32 0, i32 1, i32 0)
78  %tmp14 = load i32*, i32** @a, align 8, !tbaa !3
79  %arrayidx18 = getelementptr inbounds i32, i32* %tmp14, i64 %idxprom
80  %tmp15 = bitcast i32* %arrayidx6 to i8*
81
82  ; CHECK: prfm plil2keep
83  call void @llvm.prefetch(i8* %tmp15, i32 0, i32 2, i32 0)
84  %tmp16 = load i32*, i32** @a, align 8, !tbaa !3
85  %arrayidx21 = getelementptr inbounds i32, i32* %tmp16, i64 %idxprom
86  %tmp17 = bitcast i32* %arrayidx9 to i8*
87
88  ; CHECK: prfm plil1keep
89  call void @llvm.prefetch(i8* %tmp17, i32 0, i32 3, i32 0)
90  %tmp18 = load i32*, i32** @a, align 8, !tbaa !3
91  %arrayidx24 = getelementptr inbounds i32, i32* %tmp18, i64 %idxprom
92  %tmp19 = bitcast i32* %arrayidx12 to i8*
93
94
95  ; CHECK: prfm pstl1strm
96  call void @llvm.prefetch(i8* %tmp19, i32 1, i32 0, i32 1)
97  %tmp20 = load i32*, i32** @a, align 8, !tbaa !3
98  %arrayidx27 = getelementptr inbounds i32, i32* %tmp20, i64 %idxprom
99  %tmp21 = bitcast i32* %arrayidx15 to i8*
100
101  ; CHECK: prfm pstl3keep
102  call void @llvm.prefetch(i8* %tmp21, i32 1, i32 1, i32 1)
103  %tmp22 = load i32*, i32** @a, align 8, !tbaa !3
104  %arrayidx30 = getelementptr inbounds i32, i32* %tmp22, i64 %idxprom
105  %tmp23 = bitcast i32* %arrayidx18 to i8*
106
107  ; CHECK: prfm pstl2keep
108  call void @llvm.prefetch(i8* %tmp23, i32 1, i32 2, i32 1)
109  %tmp24 = load i32*, i32** @a, align 8, !tbaa !3
110  %arrayidx33 = getelementptr inbounds i32, i32* %tmp24, i64 %idxprom
111  %tmp25 = bitcast i32* %arrayidx21 to i8*
112
113  ; CHECK: prfm pstl1keep
114  call void @llvm.prefetch(i8* %tmp25, i32 1, i32 3, i32 1)
115  ret void
116}
117
118declare void @llvm.prefetch(i8* nocapture, i32, i32, i32) nounwind
119
120!0 = !{!"int", !1}
121!1 = !{!"omnipotent char", !2}
122!2 = !{!"Simple C/C++ TBAA"}
123!3 = !{!"any pointer", !1}
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