36 lines
1.2 KiB
LLVM
36 lines
1.2 KiB
LLVM
; RUN: llc -march=hexagon -enable-pipeliner < %s
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; REQUIRES: asserts
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; This test check that a dependence is created between a Phi and it's uses.
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; An assert occurs if the Phi dependences are not correct.
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define void @f0(float* nocapture %a0, i32 %a1) #0 {
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b0:
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br i1 undef, label %b1, label %b2
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b1: ; preds = %b1, %b0
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%v0 = phi float [ %v1, %b1 ], [ undef, %b0 ]
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%v1 = phi float [ %v13, %b1 ], [ undef, %b0 ]
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%v2 = phi float* [ null, %b1 ], [ %a0, %b0 ]
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%v3 = phi i32 [ %v14, %b1 ], [ 0, %b0 ]
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%v4 = phi float [ %v5, %b1 ], [ undef, %b0 ]
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%v5 = load float, float* %v2, align 4
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%v6 = fmul float %v1, 0x3FFFA98000000000
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%v7 = fmul float %v0, 0xBFEF550000000000
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%v8 = fadd float %v6, %v7
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%v9 = fmul float %v5, 0x3FEFAA0000000000
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%v10 = fadd float %v8, %v9
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%v11 = fmul float %v4, 0xBFFFAA0000000000
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%v12 = fadd float %v11, %v10
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%v13 = fadd float undef, %v12
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store float %v13, float* %v2, align 4
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%v14 = add nsw i32 %v3, 1
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%v15 = icmp eq i32 %v14, %a1
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br i1 %v15, label %b2, label %b1
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b2: ; preds = %b1, %b0
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ret void
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}
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attributes #0 = { nounwind "target-cpu"="hexagonv55" }
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