1 ; RUN: llc -march=hexagon -mcpu=hexagonv55 -filetype=obj -o /dev/null
3 ; There should be no output (nothing on stderr).
5 ; Due to a bug in converting a dot-new branch into a dot-old one, opcodes
6 ; with branch prediction bits were selected even if the architecture did
7 ; not support them. On V55-, the dot-old branch opcodes are J2_jumpt and
8 ; J2_jumpf (and a pair of J2_jumpr*), whereas J2_jumptpt could have been
9 ; a result of the conversion to dot-old. This would fail a verification
10 ; check in the MC code emitter, so make sure it does not happen.
12 target triple = "hexagon"
14 define void @fred(i16* nocapture %a0, i16* nocapture %a1, i16* nocapture %a2, i16 signext %a3, i16* %a4, i16 signext %a5, i16 signext %a6, i16 signext %a7, i32 %a8, i16 signext %a9, i16 signext %a10) local_unnamed_addr #0 {
16 %v12 = sext i16 %a5 to i32
17 %v13 = tail call i32 @llvm.hexagon.A2.sxth(i32 %v12)
18 %v14 = tail call i32 @llvm.hexagon.A2.sxth(i32 2)
19 %v15 = tail call i32 @llvm.hexagon.A2.sxth(i32 undef)
20 %v16 = tail call i32 @llvm.hexagon.A2.sath(i32 undef)
21 %v17 = tail call i32 @llvm.hexagon.A2.sxth(i32 %v16)
22 %v18 = tail call i32 @llvm.hexagon.A2.aslh(i32 undef)
23 %v19 = tail call i32 @llvm.hexagon.S2.asr.r.r.sat(i32 %v18, i32 %v14)
24 %v20 = tail call i32 @llvm.hexagon.A2.asrh(i32 %v19)
25 %v21 = tail call i32 @llvm.hexagon.A2.sxth(i32 %v20)
26 %v22 = tail call i32 @llvm.hexagon.A2.sub(i32 %v17, i32 %v21)
27 %v23 = tail call i32 @llvm.hexagon.A2.sath(i32 %v22)
28 %v24 = select i1 undef, i32 undef, i32 %v23
29 %v25 = tail call i32 @llvm.hexagon.A2.sxth(i32 %v24)
30 %v26 = tail call i32 @llvm.hexagon.A2.sub(i32 %v13, i32 %v25)
31 %v27 = tail call i32 @llvm.hexagon.A2.sath(i32 %v26)
32 %v28 = tail call i32 @llvm.hexagon.A2.sxth(i32 %v27)
33 %v29 = tail call i32 @llvm.hexagon.A2.sub(i32 %v28, i32 %v14)
34 %v30 = tail call i32 @llvm.hexagon.A2.sath(i32 %v29)
35 %v31 = shl i32 %v30, 16
36 %v32 = icmp sgt i32 undef, %v31
37 %v33 = select i1 %v32, i32 %v30, i32 undef
38 %v34 = trunc i32 %v33 to i16
39 %v35 = trunc i32 %v24 to i16
40 call void @foo(i16* nonnull undef, i32* nonnull undef, i16* %a4, i16 signext %v35, i16 signext %v34, i16 signext 2) #4
41 %v36 = call i32 @llvm.hexagon.S2.asr.r.r.sat(i32 %v18, i32 undef)
42 %v37 = call i32 @llvm.hexagon.A2.asrh(i32 %v36)
43 %v38 = call i32 @llvm.hexagon.A2.sub(i32 %v13, i32 undef)
44 %v39 = call i32 @llvm.hexagon.A2.sath(i32 %v38)
45 %v40 = call i32 @llvm.hexagon.A2.sxth(i32 %v39)
46 %v41 = call i32 @llvm.hexagon.A2.sub(i32 %v40, i32 %v14)
47 %v42 = call i32 @llvm.hexagon.A2.sath(i32 %v41)
48 %v43 = select i1 undef, i32 %v42, i32 %v37
49 %v44 = trunc i32 %v43 to i16
50 call void @foo(i16* nonnull undef, i32* nonnull undef, i16* %a4, i16 signext undef, i16 signext %v44, i16 signext 2) #4
51 %v45 = call i32 @llvm.hexagon.A2.sath(i32 undef)
52 %v46 = select i1 undef, i32 undef, i32 %v45
53 %v47 = trunc i32 %v46 to i16
54 call void @foo(i16* nonnull undef, i32* nonnull undef, i16* %a4, i16 signext %v47, i16 signext undef, i16 signext 2) #4
55 %v48 = call i32 @llvm.hexagon.A2.sub(i32 undef, i32 %v15)
56 %v49 = call i32 @llvm.hexagon.A2.sath(i32 %v48)
57 %v50 = trunc i32 %v49 to i16
58 store i16 %v50, i16* undef, align 2
59 store i16 %a3, i16* %a0, align 2
60 %v51 = sext i16 %a10 to i32
61 %v52 = call i32 @llvm.hexagon.A2.sxth(i32 %v51)
62 %v53 = call i32 @llvm.hexagon.A2.add(i32 undef, i32 %v52)
63 %v54 = call i32 @llvm.hexagon.A2.sath(i32 %v53)
64 %v55 = trunc i32 %v54 to i16
65 store i16 %v55, i16* %a1, align 2
66 store i16 %a7, i16* %a2, align 2
67 %v56 = sext i16 %a9 to i32
68 %v57 = call i32 @llvm.hexagon.A2.sxth(i32 %v56)
69 br i1 undef, label %b58, label %b62
72 %v59 = call i32 @llvm.hexagon.A2.add(i32 %v57, i32 %v52)
73 %v60 = call i32 @llvm.hexagon.A2.sath(i32 %v59)
74 %v61 = trunc i32 %v60 to i16
75 store i16 %v61, i16* %a1, align 2
81 b63: ; preds = %b62, %b58
82 %v64 = phi i16 [ undef, %b58 ], [ %a9, %b62 ]
83 %v65 = icmp slt i16 undef, %v64
84 br i1 %v65, label %b66, label %b67
87 br i1 undef, label %b67, label %b68
89 b67: ; preds = %b66, %b63
90 store i16 0, i16* %a2, align 2
93 b68: ; preds = %b67, %b66
97 declare i32 @llvm.hexagon.A2.sath(i32) #2
98 declare i32 @llvm.hexagon.A2.add(i32, i32) #2
99 declare i32 @llvm.hexagon.A2.sxth(i32) #2
100 declare i32 @llvm.hexagon.A2.sub(i32, i32) #2
101 declare i32 @llvm.hexagon.A2.asrh(i32) #2
102 declare i32 @llvm.hexagon.S2.asr.r.r.sat(i32, i32) #2
103 declare i32 @llvm.hexagon.A2.aslh(i32) #2
104 declare void @foo(i16*, i32*, i16*, i16 signext, i16 signext, i16 signext) local_unnamed_addr #3
106 attributes #0 = { nounwind optsize "target-cpu"="hexagonv55" "target-features"="-hvx,-long-calls" }
107 attributes #1 = { argmemonly nounwind }
108 attributes #2 = { nounwind readnone }
109 attributes #3 = { optsize "target-cpu"="hexagonv55" "target-features"="-hvx,-long-calls" }
110 attributes #4 = { nounwind optsize }