36 lines
1.2 KiB
LLVM
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" }
|