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47 lines
1.4 KiB
LLVM
47 lines
1.4 KiB
LLVM
; RUN: llc -march=hexagon -fp-contract=fast -enable-pipeliner < %s
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; REQUIRES: asserts
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; A Phi that depends on another Phi is loop carried.
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define void @f0() #0 {
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b0:
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br label %b1
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b1: ; preds = %b1, %b0
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br i1 undef, label %b1, label %b2
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b2: ; preds = %b1
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br i1 undef, label %b3, label %b8
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b3: ; preds = %b2
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br i1 undef, label %b4, label %b5
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b4: ; preds = %b4, %b3
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%v0 = phi i32 [ %v5, %b4 ], [ 2, %b3 ]
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%v1 = phi float [ %v4, %b4 ], [ undef, %b3 ]
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%v2 = phi float [ %v1, %b4 ], [ undef, %b3 ]
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%v3 = fsub float 0.000000e+00, %v2
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%v4 = fadd float %v3, undef
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%v5 = add nsw i32 %v0, 1
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%v6 = icmp eq i32 %v5, undef
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br i1 %v6, label %b5, label %b4
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b5: ; preds = %b4, %b3
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%v7 = phi float [ undef, %b3 ], [ %v1, %b4 ]
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br i1 false, label %b6, label %b7
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b6: ; preds = %b5
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br label %b7
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b7: ; preds = %b6, %b5
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br label %b9
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b8: ; preds = %b2
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ret void
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b9: ; preds = %b9, %b7
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br label %b9
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}
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attributes #0 = { nounwind "target-cpu"="hexagonv55" }
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