1 ; RUN: llc %s -march arm64 -o - | FileCheck %s 2 3 @a = common global i32* null, align 8 4 5 define void @test(i32 %i, i32 %j) nounwind ssp { 6 entry: 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 } 117 118 declare 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} 124
