llvm-for-llvmta/test/Transforms/LoopVectorize/Hexagon/minimum-vf.ll

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2022-04-25 10:02:23 +02:00
; RUN: opt -march=hexagon -loop-vectorize -hexagon-autohvx -debug-only=loop-vectorize -disable-output < %s 2>&1 | FileCheck %s
; REQUIRES: asserts
; Check that TTI::getMinimumVF works. The calculated MaxVF was based on the
; register pressure and was less than 64.
; CHECK: LV: Overriding calculated MaxVF({{[0-9]+}}) with target's minimum: 64
target datalayout = "e-m:e-p:32:32:32-a:0-n16:32-i64:64:64-i32:32:32-i16:16:16-i1:8:8-f32:32:32-f64:64:64-v32:32:32-v64:64:64-v512:512:512-v1024:1024:1024-v2048:2048:2048"
target triple = "hexagon"
%s.0 = type { i8*, i32, i32, i32, i32 }
@g0 = external dso_local local_unnamed_addr global %s.0**, align 4
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #0
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #0
; Function Attrs: nounwind
define hidden fastcc void @f0(i8* nocapture %a0, i32 %a1, i32 %a2, i32 %a3, i32 %a4, i8 zeroext %a5) unnamed_addr #1 {
b0:
%v0 = alloca [4 x [9 x i16]], align 8
%v1 = bitcast [4 x [9 x i16]]* %v0 to i8*
call void @llvm.lifetime.start.p0i8(i64 72, i8* nonnull %v1) #2
%v2 = add i32 %a1, -2
%v3 = add i32 %a3, -9
%v4 = icmp ugt i32 %v2, %v3
%v5 = add i32 %a2, -2
%v6 = add i32 %a4, -9
%v7 = icmp ugt i32 %v5, %v6
%v8 = or i1 %v4, %v7
%v9 = load %s.0**, %s.0*** @g0, align 4, !tbaa !1
%v10 = zext i8 %a5 to i32
%v11 = getelementptr inbounds %s.0*, %s.0** %v9, i32 %v10
%v12 = load %s.0*, %s.0** %v11, align 4, !tbaa !1
%v13 = getelementptr inbounds %s.0, %s.0* %v12, i32 0, i32 0
%v14 = load i8*, i8** %v13, align 4, !tbaa !5
br i1 %v8, label %b1, label %b2
b1: ; preds = %b1, %b0
%v15 = phi i32 [ 0, %b0 ], [ %v119, %b1 ]
%v16 = add i32 %v5, %v15
%v17 = icmp slt i32 %v16, 0
%v18 = icmp slt i32 %v16, %a4
%v19 = select i1 %v18, i32 %v16, i32 %v3
%v20 = select i1 %v17, i32 0, i32 %v19
%v21 = mul i32 %v20, %a3
%v22 = add i32 97, %v21
%v23 = getelementptr inbounds i8, i8* %v14, i32 %v22
%v24 = load i8, i8* %v23, align 1, !tbaa !8
%v25 = zext i8 %v24 to i32
%v26 = add i32 101, %v21
%v27 = getelementptr inbounds i8, i8* %v14, i32 %v26
%v28 = load i8, i8* %v27, align 1, !tbaa !8
%v29 = zext i8 %v28 to i32
%v30 = mul nsw i32 %v29, -5
%v31 = add nsw i32 %v30, %v25
%v32 = add i32 106, %v21
%v33 = getelementptr inbounds i8, i8* %v14, i32 %v32
%v34 = load i8, i8* %v33, align 1, !tbaa !8
%v35 = zext i8 %v34 to i32
%v36 = mul nuw nsw i32 %v35, 20
%v37 = add nsw i32 %v36, %v31
%v38 = add i32 111, %v21
%v39 = getelementptr inbounds i8, i8* %v14, i32 %v38
%v40 = load i8, i8* %v39, align 1, !tbaa !8
%v41 = zext i8 %v40 to i32
%v42 = mul nuw nsw i32 %v41, 20
%v43 = add nsw i32 %v42, %v37
%v44 = add i32 116, %v21
%v45 = getelementptr inbounds i8, i8* %v14, i32 %v44
%v46 = load i8, i8* %v45, align 1, !tbaa !8
%v47 = zext i8 %v46 to i32
%v48 = mul nsw i32 %v47, -5
%v49 = add nsw i32 %v48, %v43
%v50 = add i32 120, %v21
%v51 = getelementptr inbounds i8, i8* %v14, i32 %v50
%v52 = load i8, i8* %v51, align 1, !tbaa !8
%v53 = zext i8 %v52 to i32
%v54 = add nsw i32 %v49, %v53
%v55 = trunc i32 %v54 to i16
%v56 = getelementptr inbounds [4 x [9 x i16]], [4 x [9 x i16]]* %v0, i32 0, i32 0, i32 %v15
store i16 %v55, i16* %v56, align 2, !tbaa !9
%v57 = mul nsw i32 %v35, -5
%v58 = add nsw i32 %v57, %v29
%v59 = add nsw i32 %v42, %v58
%v60 = mul nuw nsw i32 %v47, 20
%v61 = add nsw i32 %v60, %v59
%v62 = mul nsw i32 %v53, -5
%v63 = add nsw i32 %v62, %v61
%v64 = add i32 125, %v21
%v65 = getelementptr inbounds i8, i8* %v14, i32 %v64
%v66 = load i8, i8* %v65, align 1, !tbaa !8
%v67 = zext i8 %v66 to i32
%v68 = add nsw i32 %v63, %v67
%v69 = trunc i32 %v68 to i16
%v70 = getelementptr inbounds [4 x [9 x i16]], [4 x [9 x i16]]* %v0, i32 0, i32 1, i32 %v15
store i16 %v69, i16* %v70, align 2, !tbaa !9
%v71 = mul nsw i32 %v41, -5
%v72 = add nsw i32 %v71, %v35
%v73 = add nsw i32 %v60, %v72
%v74 = mul nuw nsw i32 %v53, 20
%v75 = add nsw i32 %v74, %v73
%v76 = mul nsw i32 %v67, -5
%v77 = add nsw i32 %v76, %v75
%v78 = add i32 130, %v21
%v79 = getelementptr inbounds i8, i8* %v14, i32 %v78
%v80 = load i8, i8* %v79, align 1, !tbaa !8
%v81 = zext i8 %v80 to i32
%v82 = add nsw i32 %v77, %v81
%v83 = trunc i32 %v82 to i16
%v84 = getelementptr inbounds [4 x [9 x i16]], [4 x [9 x i16]]* %v0, i32 0, i32 2, i32 %v15
store i16 %v83, i16* %v84, align 2, !tbaa !9
%v85 = add i32 92, %v21
%v86 = getelementptr inbounds i8, i8* %v14, i32 %v85
%v87 = load i8, i8* %v86, align 1, !tbaa !8
%v88 = zext i8 %v87 to i16
%v89 = add i32 135, %v21
%v90 = getelementptr inbounds i8, i8* %v14, i32 %v89
%v91 = load i8, i8* %v90, align 1, !tbaa !8
%v92 = zext i8 %v91 to i16
%v93 = mul nsw i16 %v92, -5
%v94 = add nsw i16 %v93, %v88
%v95 = add i32 140, %v21
%v96 = getelementptr inbounds i8, i8* %v14, i32 %v95
%v97 = load i8, i8* %v96, align 1, !tbaa !8
%v98 = zext i8 %v97 to i16
%v99 = mul nuw nsw i16 %v98, 20
%v100 = add nsw i16 %v99, %v94
%v101 = add i32 145, %v21
%v102 = getelementptr inbounds i8, i8* %v14, i32 %v101
%v103 = load i8, i8* %v102, align 1, !tbaa !8
%v104 = zext i8 %v103 to i16
%v105 = mul nuw nsw i16 %v104, 20
%v106 = add i16 %v105, %v100
%v107 = add i32 150, %v21
%v108 = getelementptr inbounds i8, i8* %v14, i32 %v107
%v109 = load i8, i8* %v108, align 1, !tbaa !8
%v110 = zext i8 %v109 to i16
%v111 = mul nsw i16 %v110, -5
%v112 = add i16 %v111, %v106
%v113 = add i32 154, %v21
%v114 = getelementptr inbounds i8, i8* %v14, i32 %v113
%v115 = load i8, i8* %v114, align 1, !tbaa !8
%v116 = zext i8 %v115 to i16
%v117 = add i16 %v112, %v116
%v118 = getelementptr inbounds [4 x [9 x i16]], [4 x [9 x i16]]* %v0, i32 0, i32 3, i32 %v15
store i16 %v117, i16* %v118, align 2, !tbaa !9
%v119 = add nuw nsw i32 %v15, 1
%v120 = icmp eq i32 %v119, 19
br i1 %v120, label %b2, label %b1
b2: ; preds = %b1, %b0
call void @llvm.lifetime.end.p0i8(i64 72, i8* nonnull %v1) #2
ret void
}
attributes #0 = { argmemonly nounwind }
attributes #1 = { nounwind "target-cpu"="hexagonv60" "target-features"="+hvx-length64b,+hvxv60" }
attributes #2 = { nounwind }
!llvm.module.flags = !{!0}
!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{!2, !2, i64 0}
!2 = !{!"any pointer", !3, i64 0}
!3 = !{!"omnipotent char", !4, i64 0}
!4 = !{!"Simple C/C++ TBAA"}
!5 = !{!6, !2, i64 0}
!6 = !{!"", !2, i64 0, !7, i64 4, !7, i64 8, !7, i64 12, !7, i64 16}
!7 = !{!"int", !3, i64 0}
!8 = !{!3, !3, i64 0}
!9 = !{!10, !10, i64 0}
!10 = !{!"short", !3, i64 0}