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gerrit-public.fairphone.software / toolchain / llvm-project / be7ea19b585dc1b0d4c4358df3ca498ceb65b969 / . / llvm / test / CodeGen / AArch64 / arm64-prefetch.ll
blob: aac3515c4278545e9392644862a6aac3e46ec2e9 [file] [log] [blame]
Tim Northover00ed9962014-03-29 10:18:08 +0000[diff] [blame]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
Yi Konge56de692014-08-05 12:46:47 +0000[diff] [blame]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
Tim Northover00ed9962014-03-29 10:18:08 +0000[diff] [blame]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* %j.addr, align 4, !tbaa !0
39 %add = add nsw i32 %tmp1, %i
40 %idxprom = sext i32 %add to i64
41 %tmp2 = load i32** @a, align 8, !tbaa !3
42 %arrayidx = getelementptr inbounds 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** @a, align 8, !tbaa !3
48 %arrayidx3 = getelementptr inbounds 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** @a, align 8, !tbaa !3
54 %arrayidx6 = getelementptr inbounds 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** @a, align 8, !tbaa !3
60 %arrayidx9 = getelementptr inbounds 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** @a, align 8, !tbaa !3
66 %arrayidx12 = getelementptr inbounds i32* %tmp10, i64 %idxprom
67 %tmp11 = bitcast i32* %arrayidx12 to i8*
68
Yi Konge56de692014-08-05 12:46:47 +0000[diff] [blame]69
70 ; CHECK: prfm plil1strm
71 call void @llvm.prefetch(i8* %tmp11, i32 0, i32 0, i32 0)
Tim Northover00ed9962014-03-29 10:18:08 +0000[diff] [blame]72 %tmp12 = load i32** @a, align 8, !tbaa !3
73 %arrayidx15 = getelementptr inbounds i32* %tmp12, i64 %idxprom
Yi Konge56de692014-08-05 12:46:47 +0000[diff] [blame]74 %tmp13 = bitcast i32* %arrayidx3 to i8*
Tim Northover00ed9962014-03-29 10:18:08 +0000[diff] [blame]75
Yi Konge56de692014-08-05 12:46:47 +0000[diff] [blame]76 ; CHECK: prfm plil3keep
77 call void @llvm.prefetch(i8* %tmp13, i32 0, i32 1, i32 0)
Tim Northover00ed9962014-03-29 10:18:08 +0000[diff] [blame]78 %tmp14 = load i32** @a, align 8, !tbaa !3
79 %arrayidx18 = getelementptr inbounds i32* %tmp14, i64 %idxprom
Yi Konge56de692014-08-05 12:46:47 +0000[diff] [blame]80 %tmp15 = bitcast i32* %arrayidx6 to i8*
Tim Northover00ed9962014-03-29 10:18:08 +0000[diff] [blame]81
Yi Konge56de692014-08-05 12:46:47 +0000[diff] [blame]82 ; CHECK: prfm plil2keep
83 call void @llvm.prefetch(i8* %tmp15, i32 0, i32 2, i32 0)
Tim Northover00ed9962014-03-29 10:18:08 +0000[diff] [blame]84 %tmp16 = load i32** @a, align 8, !tbaa !3
85 %arrayidx21 = getelementptr inbounds i32* %tmp16, i64 %idxprom
Yi Konge56de692014-08-05 12:46:47 +0000[diff] [blame]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** @a, align 8, !tbaa !3
91 %arrayidx24 = getelementptr inbounds 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** @a, align 8, !tbaa !3
98 %arrayidx27 = getelementptr inbounds 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** @a, align 8, !tbaa !3
104 %arrayidx30 = getelementptr inbounds 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** @a, align 8, !tbaa !3
110 %arrayidx33 = getelementptr inbounds i32* %tmp24, i64 %idxprom
111 %tmp25 = bitcast i32* %arrayidx21 to i8*
Tim Northover00ed9962014-03-29 10:18:08 +0000[diff] [blame]112
113 ; CHECK: prfm pstl1keep
Yi Konge56de692014-08-05 12:46:47 +0000[diff] [blame]114 call void @llvm.prefetch(i8* %tmp25, i32 1, i32 3, i32 1)
Tim Northover00ed9962014-03-29 10:18:08 +0000[diff] [blame]115 ret void
116}
117
118declare void @llvm.prefetch(i8* nocapture, i32, i32, i32) nounwind
119
Duncan P. N. Exon Smithbe7ea192014-12-15 19:07:53 +0000[diff] [blame^]120!0 = !{!"int", !1}
121!1 = !{!"omnipotent char", !2}
122!2 = !{!"Simple C/C++ TBAA"}
123!3 = !{!"any pointer", !1}