swp-resmii-1.ll
4.82 KB
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; RUN: llc -march=hexagon -enable-pipeliner -debug-only=pipeliner < %s -o - 2>&1 > /dev/null -pipeliner-experimental-cg=true | FileCheck %s
; REQUIRES: asserts
; Test that checks that we compute the correct ResMII for haar.
; CHECK: MII = 4 MAX_II = 14 (rec=1, res=4)
; Function Attrs: nounwind
define void @f0(i16* noalias nocapture readonly %a0, i32 %a1, i32 %a2, i32 %a3, i8* noalias nocapture %a4, i32 %a5) #0 {
b0:
%v0 = ashr i32 %a3, 2
%v1 = ashr i32 %a3, 1
%v2 = add i32 %v1, %v0
%v3 = icmp sgt i32 %a2, 0
br i1 %v3, label %b1, label %b8
b1: ; preds = %b0
%v4 = sdiv i32 %a1, 64
%v5 = icmp sgt i32 %a1, 63
br label %b2
b2: ; preds = %b6, %b1
%v6 = phi i32 [ 0, %b1 ], [ %v56, %b6 ]
%v7 = ashr exact i32 %v6, 1
%v8 = mul nsw i32 %v7, %a3
br i1 %v5, label %b3, label %b6
b3: ; preds = %b2
%v9 = add nsw i32 %v6, 1
%v10 = mul nsw i32 %v9, %a5
%v11 = mul nsw i32 %v6, %a5
%v12 = add i32 %v2, %v8
%v13 = add i32 %v8, %v0
%v14 = add i32 %v8, %v1
%v15 = getelementptr inbounds i8, i8* %a4, i32 %v10
%v16 = getelementptr inbounds i8, i8* %a4, i32 %v11
%v17 = getelementptr inbounds i16, i16* %a0, i32 %v12
%v18 = getelementptr inbounds i16, i16* %a0, i32 %v13
%v19 = getelementptr inbounds i16, i16* %a0, i32 %v14
%v20 = getelementptr inbounds i16, i16* %a0, i32 %v8
%v21 = bitcast i8* %v15 to <16 x i32>*
%v22 = bitcast i8* %v16 to <16 x i32>*
%v23 = bitcast i16* %v17 to <16 x i32>*
%v24 = bitcast i16* %v18 to <16 x i32>*
%v25 = bitcast i16* %v19 to <16 x i32>*
%v26 = bitcast i16* %v20 to <16 x i32>*
br label %b4
b4: ; preds = %b4, %b3
%v27 = phi i32 [ 0, %b3 ], [ %v54, %b4 ]
%v28 = phi <16 x i32>* [ %v26, %b3 ], [ %v34, %b4 ]
%v29 = phi <16 x i32>* [ %v25, %b3 ], [ %v36, %b4 ]
%v30 = phi <16 x i32>* [ %v24, %b3 ], [ %v38, %b4 ]
%v31 = phi <16 x i32>* [ %v23, %b3 ], [ %v40, %b4 ]
%v32 = phi <16 x i32>* [ %v21, %b3 ], [ %v53, %b4 ]
%v33 = phi <16 x i32>* [ %v22, %b3 ], [ %v52, %b4 ]
%v34 = getelementptr inbounds <16 x i32>, <16 x i32>* %v28, i32 1
%v35 = load <16 x i32>, <16 x i32>* %v28, align 64
%v36 = getelementptr inbounds <16 x i32>, <16 x i32>* %v29, i32 1
%v37 = load <16 x i32>, <16 x i32>* %v29, align 64
%v38 = getelementptr inbounds <16 x i32>, <16 x i32>* %v30, i32 1
%v39 = load <16 x i32>, <16 x i32>* %v30, align 64
%v40 = getelementptr inbounds <16 x i32>, <16 x i32>* %v31, i32 1
%v41 = load <16 x i32>, <16 x i32>* %v31, align 64
%v42 = tail call <16 x i32> @llvm.hexagon.V6.vaddh(<16 x i32> %v35, <16 x i32> %v37)
%v43 = tail call <16 x i32> @llvm.hexagon.V6.vsubh(<16 x i32> %v35, <16 x i32> %v37)
%v44 = tail call <16 x i32> @llvm.hexagon.V6.vaddh(<16 x i32> %v39, <16 x i32> %v41)
%v45 = tail call <16 x i32> @llvm.hexagon.V6.vsubh(<16 x i32> %v39, <16 x i32> %v41)
%v46 = tail call <16 x i32> @llvm.hexagon.V6.vavgh(<16 x i32> %v42, <16 x i32> %v44)
%v47 = tail call <16 x i32> @llvm.hexagon.V6.vnavgh(<16 x i32> %v42, <16 x i32> %v44)
%v48 = tail call <16 x i32> @llvm.hexagon.V6.vavgh(<16 x i32> %v43, <16 x i32> %v45)
%v49 = tail call <16 x i32> @llvm.hexagon.V6.vnavgh(<16 x i32> %v43, <16 x i32> %v45)
%v50 = tail call <16 x i32> @llvm.hexagon.V6.vsathub(<16 x i32> %v47, <16 x i32> %v46)
%v51 = tail call <16 x i32> @llvm.hexagon.V6.vsathub(<16 x i32> %v49, <16 x i32> %v48)
%v52 = getelementptr inbounds <16 x i32>, <16 x i32>* %v33, i32 1
store <16 x i32> %v50, <16 x i32>* %v33, align 64
%v53 = getelementptr inbounds <16 x i32>, <16 x i32>* %v32, i32 1
store <16 x i32> %v51, <16 x i32>* %v32, align 64
%v54 = add nsw i32 %v27, 1
%v55 = icmp slt i32 %v54, %v4
br i1 %v55, label %b4, label %b5
b5: ; preds = %b4
br label %b6
b6: ; preds = %b5, %b2
%v56 = add nsw i32 %v6, 2
%v57 = icmp slt i32 %v56, %a2
br i1 %v57, label %b2, label %b7
b7: ; preds = %b6
br label %b8
b8: ; preds = %b7, %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.vavgh(<16 x i32>, <16 x i32>) #1
; Function Attrs: nounwind readnone
declare <16 x i32> @llvm.hexagon.V6.vnavgh(<16 x i32>, <16 x i32>) #1
; Function Attrs: nounwind readnone
declare <16 x i32> @llvm.hexagon.V6.vsathub(<16 x i32>, <16 x i32>) #1
attributes #0 = { nounwind "target-cpu"="hexagonv60" "target-features"="+hvxv60,+hvx-length64b" }
attributes #1 = { nounwind readnone }