llvm-project/llvm/test/CodeGen/Hexagon/multi-cycle.ll

104 lines
5.0 KiB
LLVM

; RUN: llc -march=hexagon -O2 < %s | FileCheck %s
; CHECK: v{{[0-9]+}}.h = vadd(v{{[0-9]+}}.h,v{{[0-9]+}}.h)
; CHECK: }
; CHECK: {
; CHECK: v{{[0-9]+}} = valign(v{{[0-9]+}},v{{[0-9]+}},#2)
; CHECK: }
; CHECK: {
; CHECK: v{{[0-9]+}} = valign(v{{[0-9]+}},v{{[0-9]+}},#2)
target triple = "hexagon"
@ZERO = global <16 x i32> zeroinitializer, align 64
define void @fred(i16* nocapture readonly %a0, i32 %a1, i32 %a2, i16* nocapture %a3) #0 {
b4:
%v5 = bitcast i16* %a0 to <16 x i32>*
%v6 = getelementptr inbounds i16, i16* %a0, i32 %a1
%v7 = bitcast i16* %v6 to <16 x i32>*
%v8 = mul nsw i32 %a1, 2
%v9 = getelementptr inbounds i16, i16* %a0, i32 %v8
%v10 = bitcast i16* %v9 to <16 x i32>*
%v11 = load <16 x i32>, <16 x i32>* %v5, align 64, !tbaa !1
%v12 = load <16 x i32>, <16 x i32>* %v7, align 64, !tbaa !1
%v13 = load <16 x i32>, <16 x i32>* %v10, align 64, !tbaa !1
%v14 = load <16 x i32>, <16 x i32>* @ZERO, align 64, !tbaa !1
%v15 = tail call <16 x i32> @llvm.hexagon.V6.vsubh(<16 x i32> %v14, <16 x i32> %v14)
%v16 = sdiv i32 %a2, 32
%v17 = icmp sgt i32 %a2, 31
br i1 %v17, label %b18, label %b66
b18: ; preds = %b4
%v19 = add i32 %v8, 32
%v20 = add i32 %a1, 32
%v21 = tail call <16 x i32> @llvm.hexagon.V6.vaddh(<16 x i32> %v12, <16 x i32> %v12)
%v22 = tail call <16 x i32> @llvm.hexagon.V6.vaddh(<16 x i32> %v11, <16 x i32> %v13)
%v23 = getelementptr inbounds i16, i16* %a0, i32 %v19
%v24 = getelementptr inbounds i16, i16* %a0, i32 %v20
%v25 = getelementptr inbounds i16, i16* %a0, i32 32
%v26 = tail call <16 x i32> @llvm.hexagon.V6.vsubh(<16 x i32> %v11, <16 x i32> %v13)
%v27 = tail call <16 x i32> @llvm.hexagon.V6.vaddh(<16 x i32> %v22, <16 x i32> %v21)
%v28 = bitcast i16* %v23 to <16 x i32>*
%v29 = bitcast i16* %v24 to <16 x i32>*
%v30 = bitcast i16* %v25 to <16 x i32>*
%v31 = bitcast i16* %a3 to <16 x i32>*
br label %b32
b32: ; preds = %b32, %b18
%v33 = phi i32 [ 0, %b18 ], [ %v63, %b32 ]
%v34 = phi <16 x i32>* [ %v31, %b18 ], [ %v62, %b32 ]
%v35 = phi <16 x i32>* [ %v28, %b18 ], [ %v46, %b32 ]
%v36 = phi <16 x i32>* [ %v29, %b18 ], [ %v44, %b32 ]
%v37 = phi <16 x i32>* [ %v30, %b18 ], [ %v42, %b32 ]
%v38 = phi <16 x i32> [ %v15, %b18 ], [ %v39, %b32 ]
%v39 = phi <16 x i32> [ %v26, %b18 ], [ %v56, %b32 ]
%v40 = phi <16 x i32> [ %v27, %b18 ], [ %v51, %b32 ]
%v41 = phi <16 x i32> [ %v15, %b18 ], [ %v40, %b32 ]
%v42 = getelementptr inbounds <16 x i32>, <16 x i32>* %v37, i32 1
%v43 = load <16 x i32>, <16 x i32>* %v37, align 64, !tbaa !1
%v44 = getelementptr inbounds <16 x i32>, <16 x i32>* %v36, i32 1
%v45 = load <16 x i32>, <16 x i32>* %v36, align 64, !tbaa !1
%v46 = getelementptr inbounds <16 x i32>, <16 x i32>* %v35, i32 1
%v47 = load <16 x i32>, <16 x i32>* %v35, align 64, !tbaa !1
%v48 = tail call <16 x i32> @llvm.hexagon.V6.vaddh(<16 x i32> %v43, <16 x i32> %v47)
%v49 = tail call <16 x i32> @llvm.hexagon.V6.vaddh(<16 x i32> %v45, <16 x i32> %v45)
%v50 = tail call <16 x i32> @llvm.hexagon.V6.valignb(<16 x i32> %v40, <16 x i32> %v41, i32 62)
%v51 = tail call <16 x i32> @llvm.hexagon.V6.vaddh(<16 x i32> %v48, <16 x i32> %v49)
%v52 = tail call <16 x i32> @llvm.hexagon.V6.valignb(<16 x i32> %v51, <16 x i32> %v40, i32 2)
%v53 = tail call <16 x i32> @llvm.hexagon.V6.vabsdiffh(<16 x i32> %v50, <16 x i32> %v52)
%v54 = getelementptr inbounds <16 x i32>, <16 x i32>* %v34, i32 1
store <16 x i32> %v53, <16 x i32>* %v34, align 64, !tbaa !1
%v55 = tail call <16 x i32> @llvm.hexagon.V6.valignb(<16 x i32> %v39, <16 x i32> %v38, i32 62)
%v56 = tail call <16 x i32> @llvm.hexagon.V6.vsubh(<16 x i32> %v43, <16 x i32> %v47)
%v57 = tail call <16 x i32> @llvm.hexagon.V6.valignb(<16 x i32> %v56, <16 x i32> %v39, i32 2)
%v58 = tail call <16 x i32> @llvm.hexagon.V6.vaddh(<16 x i32> %v39, <16 x i32> %v39)
%v59 = tail call <16 x i32> @llvm.hexagon.V6.vaddh(<16 x i32> %v58, <16 x i32> %v55)
%v60 = tail call <16 x i32> @llvm.hexagon.V6.vaddh(<16 x i32> %v59, <16 x i32> %v57)
%v61 = tail call <16 x i32> @llvm.hexagon.V6.vabsh(<16 x i32> %v60)
%v62 = getelementptr inbounds <16 x i32>, <16 x i32>* %v34, i32 2
store <16 x i32> %v61, <16 x i32>* %v54, align 64, !tbaa !1
%v63 = add nsw i32 %v33, 1
%v64 = icmp slt i32 %v63, %v16
br i1 %v64, label %b32, label %b65
b65: ; preds = %b32
br label %b66
b66: ; preds = %b65, %b4
ret void
}
declare <16 x i32> @llvm.hexagon.V6.vaddh(<16 x i32>, <16 x i32>) #1
declare <16 x i32> @llvm.hexagon.V6.vsubh(<16 x i32>, <16 x i32>) #1
declare <16 x i32> @llvm.hexagon.V6.valignb(<16 x i32>, <16 x i32>, i32) #1
declare <16 x i32> @llvm.hexagon.V6.vabsdiffh(<16 x i32>, <16 x i32>) #1
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 }
!1 = !{!2, !2, i64 0}
!2 = !{!"omnipotent char", !3, i64 0}
!3 = !{!"Simple C/C++ TBAA"}