1 ; RUN: opt < %s -march=hexagon -hexagon-vlcr | opt -passes=adce -S | FileCheck %s
3 ; CHECK: %v32.hexagon.vlcr = tail call <32 x i32> @llvm.hexagon.V6.vmaxub.128B
5 target datalayout = "e-m:e-p:32:32:32-a:0-n16:32-i64:64:64-i32:32:32-i16:16:16-i1:8:8-f32:32:32-f64:64:64-v32:32:32-v64:64:64-v512:512:512-v1024:1024:1024-v2048:2048:2048"
6 target triple = "hexagon"
8 @g0 = external local_unnamed_addr global i32, align 4
10 ; Function Attrs: nounwind
11 define void @f0(ptr noalias nocapture readonly %a0, ptr noalias nocapture %a1, i32 %a2) local_unnamed_addr #0 {
13 %v0 = getelementptr inbounds i8, ptr %a0, i32 %a2
14 %v1 = mul nsw i32 %a2, 2
15 %v2 = getelementptr inbounds i8, ptr %a0, i32 %v1
16 %v3 = load i32, ptr @g0, align 4, !tbaa !0
17 %v4 = icmp sgt i32 %v3, 0
18 br i1 %v4, label %b1, label %b4
21 %v6 = load <32 x i32>, ptr %v2, align 128, !tbaa !4
22 %v7 = getelementptr inbounds i8, ptr %v2, i32 128
23 %v10 = load <32 x i32>, ptr %v0, align 128, !tbaa !4
24 %v11 = getelementptr inbounds i8, ptr %v0, i32 128
25 %v14 = load <32 x i32>, ptr %a0, align 128, !tbaa !4
26 %v15 = getelementptr inbounds i8, ptr %a0, i32 128
29 b2: ; preds = %b2, %b1
30 %v18 = phi ptr [ %a1, %b1 ], [ %v37, %b2 ]
31 %v19 = phi ptr [ %v7, %b1 ], [ %v30, %b2 ]
32 %v20 = phi ptr [ %v11, %b1 ], [ %v28, %b2 ]
33 %v21 = phi ptr [ %v15, %b1 ], [ %v26, %b2 ]
34 %v22 = phi i32 [ 0, %b1 ], [ %v38, %b2 ]
35 %v23 = phi <32 x i32> [ %v14, %b1 ], [ %v27, %b2 ]
36 %v24 = phi <32 x i32> [ %v10, %b1 ], [ %v29, %b2 ]
37 %v25 = phi <32 x i32> [ %v6, %b1 ], [ %v31, %b2 ]
38 %v26 = getelementptr inbounds <32 x i32>, ptr %v21, i32 1
39 %v27 = load <32 x i32>, ptr %v21, align 128, !tbaa !4
40 %v28 = getelementptr inbounds <32 x i32>, ptr %v20, i32 1
41 %v29 = load <32 x i32>, ptr %v20, align 128, !tbaa !4
42 %v30 = getelementptr inbounds <32 x i32>, ptr %v19, i32 1
43 %v31 = load <32 x i32>, ptr %v19, align 128, !tbaa !4
44 %v32 = tail call <32 x i32> @llvm.hexagon.V6.vmaxub.128B(<32 x i32> %v23, <32 x i32> %v24)
45 %v33 = tail call <32 x i32> @llvm.hexagon.V6.vmaxub.128B(<32 x i32> %v32, <32 x i32> %v25)
46 %v34 = tail call <32 x i32> @llvm.hexagon.V6.vmaxub.128B(<32 x i32> %v29, <32 x i32> %v27)
47 %v35 = tail call <32 x i32> @llvm.hexagon.V6.vmaxub.128B(<32 x i32> %v34, <32 x i32> %v31)
48 %v36 = tail call <32 x i32> @llvm.hexagon.V6.valignbi.128B(<32 x i32> %v35, <32 x i32> %v33, i32 1)
49 %v37 = getelementptr inbounds <32 x i32>, ptr %v18, i32 1
50 store <32 x i32> %v36, ptr %v18, align 128, !tbaa !4
51 %v38 = add nuw nsw i32 %v22, 128
52 %v39 = icmp slt i32 %v38, %v3
53 br i1 %v39, label %b2, label %b3
58 b4: ; preds = %b3, %b0
62 ; Function Attrs: nounwind readnone
63 declare <32 x i32> @llvm.hexagon.V6.vmaxub.128B(<32 x i32>, <32 x i32>) #1
65 ; Function Attrs: nounwind readnone
66 declare <32 x i32> @llvm.hexagon.V6.valignbi.128B(<32 x i32>, <32 x i32>, i32) #1
68 attributes #0 = { nounwind "target-cpu"="hexagonv60" "target-features"="+hvx,+hvx-length128b,-long-calls" }
69 attributes #1 = { nounwind readnone }
72 !1 = !{!"int", !2, i64 0}
73 !2 = !{!"omnipotent char", !3, i64 0}
74 !3 = !{!"Simple C/C++ TBAA"}