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llvm-mirror/test/CodeGen/Hexagon/swp-dag-phi1.ll
Krzysztof Parzyszek 66abdd815e [Hexagon] Add more lit tests
llvm-svn: 327271
2018-03-12 14:01:28 +00:00

36 lines
1.2 KiB
LLVM

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