You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
69 lines
2.2 KiB
69 lines
2.2 KiB
; RUN: llc -march=hexagon -fp-contract=fast -enable-pipeliner < %s
|
|
; REQUIRES: asserts
|
|
|
|
; Pipelining can eliminate the need for a Phi if the loop carried use
|
|
; is scheduled first. We need to rename register uses of the Phi
|
|
; that may occur after the loop.
|
|
|
|
define void @f0() #0 {
|
|
b0:
|
|
br i1 undef, label %b1, label %b12
|
|
|
|
b1: ; preds = %b0
|
|
%v0 = load float, float* undef, align 4
|
|
br i1 undef, label %b2, label %b5
|
|
|
|
b2: ; preds = %b1
|
|
br i1 undef, label %b3, label %b4
|
|
|
|
b3: ; preds = %b3, %b2
|
|
br label %b3
|
|
|
|
b4: ; preds = %b4, %b2
|
|
br i1 undef, label %b5, label %b4
|
|
|
|
b5: ; preds = %b4, %b1
|
|
br i1 undef, label %b6, label %b9
|
|
|
|
b6: ; preds = %b5
|
|
br i1 undef, label %b7, label %b8
|
|
|
|
b7: ; preds = %b7, %b6
|
|
br label %b7
|
|
|
|
b8: ; preds = %b8, %b6
|
|
%v1 = phi i32 [ %v7, %b8 ], [ 2, %b6 ]
|
|
%v2 = phi float [ %v6, %b8 ], [ undef, %b6 ]
|
|
%v3 = phi float [ %v2, %b8 ], [ undef, %b6 ]
|
|
%v4 = fmul float undef, %v2
|
|
%v5 = fsub float %v4, %v3
|
|
%v6 = fadd float %v5, undef
|
|
%v7 = add nsw i32 %v1, 1
|
|
%v8 = icmp eq i32 %v7, undef
|
|
br i1 %v8, label %b9, label %b8
|
|
|
|
b9: ; preds = %b8, %b5
|
|
%v9 = phi float [ undef, %b5 ], [ %v2, %b8 ]
|
|
%v10 = fsub float 0.000000e+00, %v9
|
|
%v11 = fadd float %v10, undef
|
|
%v12 = fmul float undef, %v11
|
|
%v13 = fcmp ugt float %v12, 0.000000e+00
|
|
br i1 %v13, label %b10, label %b11
|
|
|
|
b10: ; preds = %b9
|
|
br label %b11
|
|
|
|
b11: ; preds = %b10, %b9
|
|
%v14 = phi float [ undef, %b10 ], [ %v0, %b9 ]
|
|
%v15 = fadd float undef, %v14
|
|
br label %b13
|
|
|
|
b12: ; preds = %b0
|
|
ret void
|
|
|
|
b13: ; preds = %b13, %b11
|
|
br label %b13
|
|
}
|
|
|
|
attributes #0 = { nounwind "target-cpu"="hexagonv55" }
|