xref: /llvm-project/llvm/test/CodeGen/Hexagon/bit-loop.ll (revision 2208c97c1bec2512d4e47b6223db6d95a7037956)
1; RUN: llc -mtriple=hexagon < %s | FileCheck %s
2; CHECK-DAG: memh(r{{[0-9]+}}+#0) = r{{[0-9]+}}
3; CHECK-DAG: memh(r{{[0-9]+}}+#2) = r{{[0-9]+}}.h
4; CHECK-DAG: memh(r{{[0-9]+}}+#4) = r{{[0-9]+}}
5; CHECK-DAG: memh(r{{[0-9]+}}+#6) = r{{[0-9]+}}.h
6
7target triple = "hexagon"
8
9; Function Attrs: nounwind
10define void @foo(ptr nocapture readonly %r64, i16 zeroext %n, i16 zeroext %s, ptr nocapture %p64) #0 {
11entry:
12  %conv = zext i16 %n to i32
13  %cmp = icmp eq i16 %n, 0
14  br i1 %cmp, label %for.end, label %for.body.preheader
15
16for.body.preheader:                               ; preds = %entry
17  %0 = load i64, ptr %r64, align 8, !tbaa !1
18  %v.sroa.0.0.extract.trunc = trunc i64 %0 to i16
19  %v.sroa.4.0.extract.shift = lshr i64 %0, 16
20  %v.sroa.4.0.extract.trunc = trunc i64 %v.sroa.4.0.extract.shift to i16
21  %v.sroa.5.0.extract.shift = lshr i64 %0, 32
22  %v.sroa.5.0.extract.trunc = trunc i64 %v.sroa.5.0.extract.shift to i16
23  %v.sroa.6.0.extract.shift = lshr i64 %0, 48
24  %v.sroa.6.0.extract.trunc = trunc i64 %v.sroa.6.0.extract.shift to i16
25  %conv2 = zext i16 %s to i32
26  %add.ptr = getelementptr inbounds i16, ptr %p64, i32 %conv2
27  %add.ptr.sum = add nuw nsw i32 %conv2, 1
28  %add.ptr3 = getelementptr inbounds i16, ptr %p64, i32 %add.ptr.sum
29  %add.ptr.sum50 = add nuw nsw i32 %conv2, 2
30  %add.ptr4 = getelementptr inbounds i16, ptr %p64, i32 %add.ptr.sum50
31  %add.ptr.sum51 = add nuw nsw i32 %conv2, 3
32  %add.ptr5 = getelementptr inbounds i16, ptr %p64, i32 %add.ptr.sum51
33  br label %for.body
34
35for.body:                                         ; preds = %for.body.preheader, %for.body
36  %add.ptr11.phi = phi ptr [ %add.ptr11.inc, %for.body ], [ %add.ptr, %for.body.preheader ]
37  %add.ptr16.phi = phi ptr [ %add.ptr16.inc, %for.body ], [ %add.ptr3, %for.body.preheader ]
38  %add.ptr21.phi = phi ptr [ %add.ptr21.inc, %for.body ], [ %add.ptr4, %for.body.preheader ]
39  %add.ptr26.phi = phi ptr [ %add.ptr26.inc, %for.body ], [ %add.ptr5, %for.body.preheader ]
40  %i.058.pmt = phi i32 [ %inc.pmt, %for.body ], [ 0, %for.body.preheader ]
41  %v.sroa.0.157 = phi i16 [ %v.sroa.0.0.extract.trunc34, %for.body ], [ %v.sroa.0.0.extract.trunc, %for.body.preheader ]
42  %v.sroa.4.156 = phi i16 [ %v.sroa.4.0.extract.trunc36, %for.body ], [ %v.sroa.4.0.extract.trunc, %for.body.preheader ]
43  %v.sroa.5.155 = phi i16 [ %v.sroa.5.0.extract.trunc38, %for.body ], [ %v.sroa.5.0.extract.trunc, %for.body.preheader ]
44  %v.sroa.6.154 = phi i16 [ %v.sroa.6.0.extract.trunc40, %for.body ], [ %v.sroa.6.0.extract.trunc, %for.body.preheader ]
45  %q64.153.pn = phi ptr [ %q64.153, %for.body ], [ %r64, %for.body.preheader ]
46  %q64.153 = getelementptr inbounds i64, ptr %q64.153.pn, i32 1
47  store i16 %v.sroa.0.157, ptr %add.ptr11.phi, align 2, !tbaa !5
48  store i16 %v.sroa.4.156, ptr %add.ptr16.phi, align 2, !tbaa !5
49  store i16 %v.sroa.5.155, ptr %add.ptr21.phi, align 2, !tbaa !5
50  store i16 %v.sroa.6.154, ptr %add.ptr26.phi, align 2, !tbaa !5
51  %1 = load i64, ptr %q64.153, align 8, !tbaa !1
52  %v.sroa.0.0.extract.trunc34 = trunc i64 %1 to i16
53  %v.sroa.4.0.extract.shift35 = lshr i64 %1, 16
54  %v.sroa.4.0.extract.trunc36 = trunc i64 %v.sroa.4.0.extract.shift35 to i16
55  %v.sroa.5.0.extract.shift37 = lshr i64 %1, 32
56  %v.sroa.5.0.extract.trunc38 = trunc i64 %v.sroa.5.0.extract.shift37 to i16
57  %v.sroa.6.0.extract.shift39 = lshr i64 %1, 48
58  %v.sroa.6.0.extract.trunc40 = trunc i64 %v.sroa.6.0.extract.shift39 to i16
59  %inc.pmt = add i32 %i.058.pmt, 1
60  %cmp8 = icmp slt i32 %inc.pmt, %conv
61  %add.ptr11.inc = getelementptr i16, ptr %add.ptr11.phi, i32 4
62  %add.ptr16.inc = getelementptr i16, ptr %add.ptr16.phi, i32 4
63  %add.ptr21.inc = getelementptr i16, ptr %add.ptr21.phi, i32 4
64  %add.ptr26.inc = getelementptr i16, ptr %add.ptr26.phi, i32 4
65  br i1 %cmp8, label %for.body, label %for.end
66
67for.end:                                          ; preds = %for.body, %entry
68  ret void
69}
70
71attributes #0 = { nounwind }
72
73!1 = !{!2, !2, i64 0}
74!2 = !{!"long long", !3, i64 0}
75!3 = !{!"omnipotent char", !4, i64 0}
76!4 = !{!"Simple C/C++ TBAA"}
77!5 = !{!6, !6, i64 0}
78!6 = !{!"short", !3, i64 0}
79