1 ; RUN: llc -march=hexagon -enable-pipeliner=false -hexagon-vector-combine=false < %s | FileCheck %s
3 ; Test that the vsplat and vmemu are not all serialized due to chain edges
4 ; caused by the hasSideEffects flag. The exact code generation may change
5 ; due to the scheduling changes, but we shouldn't see a series of
6 ; vsplat and vmemu instructions that each occur in a single packet.
8 ; CHECK: loop0(.LBB0_[[LOOP:.]],
9 ; CHECK: .LBB0_[[LOOP]]:
16 @g0 = global [256 x i8] c"^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^00226644,,..**8888::66,,,,&&^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^22000022..4444>>::8888**..^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^<<66220000226644<<>>::^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^>><<446622000022>>", align 64
18 ; Function Attrs: nounwind
19 define void @f0(i16** noalias nocapture readonly %a0, i16* noalias nocapture readonly %a1, i32* noalias nocapture %a2, i32 %a3, i32 %a4, i32 %a5, i32 %a6) #0 {
21 %v0 = load <16 x i32>, <16 x i32>* bitcast ([256 x i8]* @g0 to <16 x i32>*), align 64, !tbaa !0
22 %v1 = load <16 x i32>, <16 x i32>* bitcast (i8* getelementptr inbounds ([256 x i8], [256 x i8]* @g0, i32 0, i32 64) to <16 x i32>*), align 64, !tbaa !0
23 %v2 = load <16 x i32>, <16 x i32>* bitcast (i8* getelementptr inbounds ([256 x i8], [256 x i8]* @g0, i32 0, i32 128) to <16 x i32>*), align 64, !tbaa !0
24 %v3 = load <16 x i32>, <16 x i32>* bitcast (i8* getelementptr inbounds ([256 x i8], [256 x i8]* @g0, i32 0, i32 192) to <16 x i32>*), align 64, !tbaa !0
25 %v4 = icmp sgt i32 %a5, 0
26 br i1 %v4, label %b1, label %b5
29 %v5 = bitcast i32* %a2 to <16 x i32>*
30 %v6 = tail call <16 x i32> @llvm.hexagon.V6.vd0()
31 %v7 = bitcast i16* %a1 to i64*
32 %v8 = mul nsw i32 %a3, 4
33 %v9 = add i32 %v8, %a6
34 %v10 = add i32 %v9, 32
35 %v11 = add i32 %a5, -1
38 b2: ; preds = %b4, %b1
39 %v12 = phi i32 [ 0, %b1 ], [ %v59, %b4 ]
40 %v13 = phi <16 x i32>* [ %v5, %b1 ], [ %v58, %b4 ]
41 %v14 = getelementptr i16*, i16** %a0, i32 %v12
44 b3: ; preds = %b3, %b2
45 %v15 = phi i16** [ %v14, %b2 ], [ %v57, %b3 ]
46 %v16 = phi i32 [ 0, %b2 ], [ %v55, %b3 ]
47 %v17 = phi i64* [ %v7, %b2 ], [ %v23, %b3 ]
48 %v18 = phi <16 x i32> [ %v6, %b2 ], [ %v54, %b3 ]
49 %v19 = load i16*, i16** %v15, align 4, !tbaa !3
50 %v20 = getelementptr inbounds i16, i16* %v19, i32 %v9
51 %v21 = getelementptr inbounds i64, i64* %v17, i32 1
52 %v22 = load i64, i64* %v17, align 8, !tbaa !0
53 %v23 = getelementptr inbounds i64, i64* %v17, i32 2
54 %v24 = load i64, i64* %v21, align 8, !tbaa !0
55 %v25 = trunc i64 %v22 to i32
56 %v26 = lshr i64 %v22, 32
57 %v27 = tail call <16 x i32> @llvm.hexagon.V6.lvsplatw(i32 %v25)
58 %v28 = trunc i64 %v26 to i32
59 %v29 = tail call <16 x i32> @llvm.hexagon.V6.lvsplatw(i32 %v28)
60 %v30 = trunc i64 %v24 to i32
61 %v31 = lshr i64 %v24, 32
62 %v32 = tail call <16 x i32> @llvm.hexagon.V6.lvsplatw(i32 %v30)
63 %v33 = trunc i64 %v31 to i32
64 %v34 = tail call <16 x i32> @llvm.hexagon.V6.lvsplatw(i32 %v33)
65 %v35 = bitcast i16* %v20 to <16 x i32>*
66 %v36 = load <16 x i32>, <16 x i32>* %v35, align 4, !tbaa !0
67 %v37 = getelementptr inbounds i16, i16* %v19, i32 %v10
68 %v38 = bitcast i16* %v37 to <16 x i32>*
69 %v39 = load <16 x i32>, <16 x i32>* %v38, align 4, !tbaa !0
70 %v40 = tail call <16 x i32> @llvm.hexagon.V6.vpackeh(<16 x i32> %v39, <16 x i32> %v36)
71 %v41 = tail call <16 x i32> @llvm.hexagon.V6.vpackeh(<16 x i32> %v40, <16 x i32> %v40)
72 %v42 = tail call <16 x i32> @llvm.hexagon.V6.vdelta(<16 x i32> %v41, <16 x i32> %v0)
73 %v43 = tail call <16 x i32> @llvm.hexagon.V6.vdelta(<16 x i32> %v41, <16 x i32> %v1)
74 %v44 = tail call <16 x i32> @llvm.hexagon.V6.vdelta(<16 x i32> %v41, <16 x i32> %v2)
75 %v45 = tail call <16 x i32> @llvm.hexagon.V6.vdelta(<16 x i32> %v41, <16 x i32> %v3)
76 %v46 = tail call <16 x i32> @llvm.hexagon.V6.vsubh(<16 x i32> %v27, <16 x i32> %v42)
77 %v47 = tail call <16 x i32> @llvm.hexagon.V6.vsubh(<16 x i32> %v29, <16 x i32> %v43)
78 %v48 = tail call <16 x i32> @llvm.hexagon.V6.vsubh(<16 x i32> %v32, <16 x i32> %v44)
79 %v49 = tail call <16 x i32> @llvm.hexagon.V6.vsubh(<16 x i32> %v34, <16 x i32> %v45)
80 %v50 = tail call <16 x i32> @llvm.hexagon.V6.vdmpyhvsat(<16 x i32> %v46, <16 x i32> %v46)
81 %v51 = tail call <16 x i32> @llvm.hexagon.V6.vdmpyhvsat.acc(<16 x i32> %v50, <16 x i32> %v47, <16 x i32> %v47)
82 %v52 = tail call <16 x i32> @llvm.hexagon.V6.vdmpyhvsat.acc(<16 x i32> %v51, <16 x i32> %v48, <16 x i32> %v48)
83 %v53 = tail call <16 x i32> @llvm.hexagon.V6.vdmpyhvsat.acc(<16 x i32> %v52, <16 x i32> %v49, <16 x i32> %v49)
84 %v54 = tail call <16 x i32> @llvm.hexagon.V6.vasrw.acc(<16 x i32> %v18, <16 x i32> %v53, i32 6)
85 %v55 = add nsw i32 %v16, 1
86 %v56 = icmp eq i32 %v16, 7
87 %v57 = getelementptr i16*, i16** %v15, i32 1
88 br i1 %v56, label %b4, label %b3
91 %v58 = getelementptr inbounds <16 x i32>, <16 x i32>* %v13, i32 1
92 store <16 x i32> %v54, <16 x i32>* %v13, align 64, !tbaa !0
93 %v59 = add nsw i32 %v12, 1
94 %v60 = icmp eq i32 %v12, %v11
95 br i1 %v60, label %b5, label %b2
97 b5: ; preds = %b4, %b0
101 ; Function Attrs: nounwind readnone
102 declare <16 x i32> @llvm.hexagon.V6.vd0() #1
104 ; Function Attrs: nounwind readnone
105 declare <16 x i32> @llvm.hexagon.V6.lvsplatw(i32) #1
107 ; Function Attrs: nounwind readnone
108 declare <16 x i32> @llvm.hexagon.V6.vpackeh(<16 x i32>, <16 x i32>) #1
110 ; Function Attrs: nounwind readnone
111 declare <16 x i32> @llvm.hexagon.V6.vdelta(<16 x i32>, <16 x i32>) #1
113 ; Function Attrs: nounwind readnone
114 declare <16 x i32> @llvm.hexagon.V6.vsubh(<16 x i32>, <16 x i32>) #1
116 ; Function Attrs: nounwind readnone
117 declare <16 x i32> @llvm.hexagon.V6.vdmpyhvsat(<16 x i32>, <16 x i32>) #1
119 ; Function Attrs: nounwind readnone
120 declare <16 x i32> @llvm.hexagon.V6.vdmpyhvsat.acc(<16 x i32>, <16 x i32>, <16 x i32>) #1
122 ; Function Attrs: nounwind readnone
123 declare <16 x i32> @llvm.hexagon.V6.vasrw.acc(<16 x i32>, <16 x i32>, i32) #1
125 attributes #0 = { nounwind "target-cpu"="hexagonv60" "target-features"="+hvxv60,+hvx-length64b" }
126 attributes #1 = { nounwind readnone }
128 !0 = !{!1, !1, i64 0}
129 !1 = !{!"omnipotent char", !2, i64 0}
130 !2 = !{!"Simple C/C++ TBAA"}
131 !3 = !{!4, !4, i64 0}
132 !4 = !{!"any pointer", !1, i64 0}