1; RUN: llc -march=hexagon -enable-pipeliner < %s
2; REQUIRES: asserts
3
4; This test check that a dependence is created between a Phi and it's uses.
5; An assert occurs if the Phi dependences are not correct.
6
7define void @f0(float* nocapture %a0, i32 %a1) #0 {
8b0:
9  br i1 undef, label %b1, label %b2
10
11b1:                                               ; preds = %b1, %b0
12  %v0 = phi float [ %v1, %b1 ], [ undef, %b0 ]
13  %v1 = phi float [ %v13, %b1 ], [ undef, %b0 ]
14  %v2 = phi float* [ null, %b1 ], [ %a0, %b0 ]
15  %v3 = phi i32 [ %v14, %b1 ], [ 0, %b0 ]
16  %v4 = phi float [ %v5, %b1 ], [ undef, %b0 ]
17  %v5 = load float, float* %v2, align 4
18  %v6 = fmul float %v1, 0x3FFFA98000000000
19  %v7 = fmul float %v0, 0xBFEF550000000000
20  %v8 = fadd float %v6, %v7
21  %v9 = fmul float %v5, 0x3FEFAA0000000000
22  %v10 = fadd float %v8, %v9
23  %v11 = fmul float %v4, 0xBFFFAA0000000000
24  %v12 = fadd float %v11, %v10
25  %v13 = fadd float undef, %v12
26  store float %v13, float* %v2, align 4
27  %v14 = add nsw i32 %v3, 1
28  %v15 = icmp eq i32 %v14, %a1
29  br i1 %v15, label %b2, label %b1
30
31b2:                                               ; preds = %b1, %b0
32  ret void
33}
34
35attributes #0 = { nounwind "target-cpu"="hexagonv55" }
36