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 7 define void @f0(float* nocapture %a0, i32 %a1) #0 { 8 b0: 9 br i1 undef, label %b1, label %b2 10 11 b1: ; 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 31 b2: ; preds = %b1, %b0 32 ret void 33 } 34 35 attributes #0 = { nounwind "target-cpu"="hexagonv55" } 36
