llvm-for-llvmta/test/CodeGen/Hexagon/swp-reuse-phi-1.ll

45 lines
1.7 KiB
LLVM

; RUN: llc -march=hexagon -enable-pipeliner < %s
; REQUIRES: asserts
; Function Attrs: nounwind
define void @f0() #0 {
b0:
br i1 undef, label %b1, label %b3
b1: ; preds = %b0
br label %b2
b2: ; preds = %b2, %b1
%v0 = phi i32 [ 0, %b1 ], [ %v9, %b2 ]
%v1 = phi <16 x i32> [ undef, %b1 ], [ %v2, %b2 ]
%v2 = phi <16 x i32> [ undef, %b1 ], [ %v4, %b2 ]
%v3 = tail call <16 x i32> @llvm.hexagon.V6.valignb(<16 x i32> %v2, <16 x i32> %v1, i32 62)
%v4 = tail call <16 x i32> @llvm.hexagon.V6.vsubh(<16 x i32> undef, <16 x i32> zeroinitializer)
%v5 = tail call <16 x i32> @llvm.hexagon.V6.valignb(<16 x i32> %v4, <16 x i32> %v2, i32 2)
%v6 = tail call <16 x i32> @llvm.hexagon.V6.vaddh(<16 x i32> undef, <16 x i32> %v3)
%v7 = tail call <16 x i32> @llvm.hexagon.V6.vaddh(<16 x i32> %v6, <16 x i32> %v5)
%v8 = tail call <16 x i32> @llvm.hexagon.V6.vabsh(<16 x i32> %v7)
store <16 x i32> %v8, <16 x i32>* undef, align 64
%v9 = add nsw i32 %v0, 1
%v10 = icmp slt i32 %v9, undef
br i1 %v10, label %b2, label %b3
b3: ; preds = %b2, %b0
ret void
}
; Function Attrs: nounwind readnone
declare <16 x i32> @llvm.hexagon.V6.vaddh(<16 x i32>, <16 x i32>) #1
; Function Attrs: nounwind readnone
declare <16 x i32> @llvm.hexagon.V6.vsubh(<16 x i32>, <16 x i32>) #1
; Function Attrs: nounwind readnone
declare <16 x i32> @llvm.hexagon.V6.valignb(<16 x i32>, <16 x i32>, i32) #1
; Function Attrs: nounwind readnone
declare <16 x i32> @llvm.hexagon.V6.vabsh(<16 x i32>) #1
attributes #0 = { nounwind "target-cpu"="hexagonv60" "target-features"="+hvxv60,+hvx-length64b" }
attributes #1 = { nounwind readnone }