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1; RUN: llc -march=hexagon -verify-machineinstrs < %s
2; REQUIRES: asserts
3
4; Test that the aggressive anti-dependence breaker does not attempt
5; to rename a tied operand.
6
7@g0 = external global [4 x i64], align 8
8@g1 = external global [6 x i64], align 8
9@g2 = external unnamed_addr constant [45 x i8], align 1
10@g3 = external unnamed_addr constant [26 x i8], align 1
11@g4 = external unnamed_addr constant [29 x i8], align 1
12@g5 = external unnamed_addr constant [29 x i8], align 1
13
14; Function Attrs: norecurse nounwind readonly
15declare i64 @f0() #0
16
17; Function Attrs: nounwind
18define void @f1() #1 {
19b0:
20  %v0 = load i64, i64* getelementptr inbounds ([4 x i64], [4 x i64]* @g0, i32 0, i32 0), align 8
21  %v1 = trunc i64 %v0 to i32
22  %v2 = load i64, i64* getelementptr inbounds ([6 x i64], [6 x i64]* @g1, i32 0, i32 0), align 8
23  %v3 = load i64, i64* getelementptr inbounds ([6 x i64], [6 x i64]* @g1, i32 0, i32 3), align 8
24  %v4 = lshr i64 %v2, 32
25  %v5 = trunc i64 %v4 to i32
26  %v6 = add i32 %v5, 0
27  %v7 = trunc i64 %v3 to i32
28  %v8 = lshr i64 %v3, 32
29  %v9 = add i32 %v6, %v7
30  %v10 = trunc i64 %v8 to i32
31  %v11 = add i32 %v9, %v10
32  %v12 = add i32 %v11, 0
33  %v13 = add i32 %v12, 0
34  %v14 = tail call i64 @f0()
35  %v15 = lshr i64 %v0, 16
36  %v16 = trunc i64 %v15 to i32
37  %v17 = and i32 %v16, 65535
38  %v18 = add nuw nsw i32 %v17, 0
39  %v19 = zext i32 %v18 to i64
40  %v20 = add i32 %v16, %v1
41  %v21 = and i32 %v20, 65535
42  %v22 = zext i32 %v21 to i64
43  tail call void (i8*, ...) @f2(i8* getelementptr inbounds ([45 x i8], [45 x i8]* @g2, i32 0, i32 0), i32 %v13) #2
44  tail call void (i8*, ...) @f2(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @g3, i32 0, i32 0), i64 %v14) #2
45  tail call void (i8*, ...) @f2(i8* getelementptr inbounds ([29 x i8], [29 x i8]* @g4, i32 0, i32 0), i64 %v19) #2
46  tail call void (i8*, ...) @f2(i8* getelementptr inbounds ([29 x i8], [29 x i8]* @g5, i32 0, i32 0), i64 %v22) #2
47  ret void
48}
49
50; Function Attrs: nounwind
51declare void @f2(i8* nocapture readonly, ...) #1
52
53attributes #0 = { norecurse nounwind readonly "target-cpu"="hexagonv55" }
54attributes #1 = { nounwind "target-cpu"="hexagonv55" }
55attributes #2 = { nounwind }
56