159 lines
7.1 KiB
LLVM
159 lines
7.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
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; RUN: llc -mtriple aarch64-none-linux-gnu < %s | FileCheck %s
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define void @foo(i32 noundef %limit, ptr %out, ptr %y) {
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; CHECK-LABEL: foo:
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; CHECK: // %bb.0: // %entry
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; CHECK-NEXT: // kill: def $w0 killed $w0 def $x0
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; CHECK-NEXT: cmp w0, #1
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; CHECK-NEXT: b.lt .LBB0_10
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; CHECK-NEXT: // %bb.1: // %for.cond1.preheader.us.preheader
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; CHECK-NEXT: mov w10, w0
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; CHECK-NEXT: ubfiz x11, x0, #2, #32
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; CHECK-NEXT: mov x8, xzr
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; CHECK-NEXT: mov x9, xzr
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; CHECK-NEXT: and x12, x10, #0xfffffff0
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; CHECK-NEXT: add x13, x1, #32
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; CHECK-NEXT: add x14, x2, #16
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; CHECK-NEXT: b .LBB0_3
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; CHECK-NEXT: .LBB0_2: // %for.cond1.for.cond.cleanup3_crit_edge.us
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; CHECK-NEXT: // in Loop: Header=BB0_3 Depth=1
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; CHECK-NEXT: add x9, x9, #1
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; CHECK-NEXT: add x13, x13, x11
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; CHECK-NEXT: add x8, x8, x10
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; CHECK-NEXT: cmp x9, x10
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; CHECK-NEXT: b.eq .LBB0_10
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; CHECK-NEXT: .LBB0_3: // %for.cond1.preheader.us
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; CHECK-NEXT: // =>This Loop Header: Depth=1
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; CHECK-NEXT: // Child Loop BB0_6 Depth 2
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; CHECK-NEXT: // Child Loop BB0_9 Depth 2
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; CHECK-NEXT: ldrsh w15, [x2, x9, lsl #1]
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; CHECK-NEXT: cmp w0, #16
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; CHECK-NEXT: b.hs .LBB0_5
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; CHECK-NEXT: // %bb.4: // in Loop: Header=BB0_3 Depth=1
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; CHECK-NEXT: mov x18, xzr
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; CHECK-NEXT: b .LBB0_8
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; CHECK-NEXT: .LBB0_5: // %vector.ph
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; CHECK-NEXT: // in Loop: Header=BB0_3 Depth=1
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; CHECK-NEXT: dup v0.8h, w15
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; CHECK-NEXT: mov x16, x14
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; CHECK-NEXT: mov x17, x13
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; CHECK-NEXT: mov x18, x12
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; CHECK-NEXT: .LBB0_6: // %vector.body
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; CHECK-NEXT: // Parent Loop BB0_3 Depth=1
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; CHECK-NEXT: // => This Inner Loop Header: Depth=2
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; CHECK-NEXT: ldp q1, q4, [x16, #-16]
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; CHECK-NEXT: subs x18, x18, #16
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; CHECK-NEXT: ldp q3, q2, [x17, #-32]
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; CHECK-NEXT: add x16, x16, #32
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; CHECK-NEXT: ldp q6, q5, [x17]
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; CHECK-NEXT: smlal2 v2.4s, v0.8h, v1.8h
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; CHECK-NEXT: smlal v3.4s, v0.4h, v1.4h
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; CHECK-NEXT: smlal2 v5.4s, v0.8h, v4.8h
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; CHECK-NEXT: smlal v6.4s, v0.4h, v4.4h
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; CHECK-NEXT: stp q3, q2, [x17, #-32]
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; CHECK-NEXT: stp q6, q5, [x17], #64
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; CHECK-NEXT: b.ne .LBB0_6
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; CHECK-NEXT: // %bb.7: // %middle.block
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; CHECK-NEXT: // in Loop: Header=BB0_3 Depth=1
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; CHECK-NEXT: cmp x12, x10
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; CHECK-NEXT: mov x18, x12
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; CHECK-NEXT: b.eq .LBB0_2
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; CHECK-NEXT: .LBB0_8: // %for.body4.us.preheader
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; CHECK-NEXT: // in Loop: Header=BB0_3 Depth=1
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; CHECK-NEXT: add x16, x18, x8
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; CHECK-NEXT: add x17, x2, x18, lsl #1
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; CHECK-NEXT: sub x18, x10, x18
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; CHECK-NEXT: add x16, x1, x16, lsl #2
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; CHECK-NEXT: .LBB0_9: // %for.body4.us
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; CHECK-NEXT: // Parent Loop BB0_3 Depth=1
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; CHECK-NEXT: // => This Inner Loop Header: Depth=2
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; CHECK-NEXT: ldrsh w3, [x17], #2
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; CHECK-NEXT: ldr w4, [x16]
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; CHECK-NEXT: subs x18, x18, #1
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; CHECK-NEXT: madd w3, w3, w15, w4
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; CHECK-NEXT: str w3, [x16], #4
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; CHECK-NEXT: b.ne .LBB0_9
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; CHECK-NEXT: b .LBB0_2
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; CHECK-NEXT: .LBB0_10: // %for.cond.cleanup
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; CHECK-NEXT: ret
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entry:
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%cmp26 = icmp sgt i32 %limit, 0
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br i1 %cmp26, label %for.cond1.preheader.us.preheader, label %for.cond.cleanup
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for.cond1.preheader.us.preheader: ; preds = %entry
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%0 = zext i32 %limit to i64
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%wide.trip.count34 = zext i32 %limit to i64
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%min.iters.check = icmp ult i32 %limit, 16
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%n.vec = and i64 %wide.trip.count34, 4294967280
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%cmp.n = icmp eq i64 %n.vec, %wide.trip.count34
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br label %for.cond1.preheader.us
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for.cond1.preheader.us: ; preds = %for.cond1.preheader.us.preheader, %for.cond1.for.cond.cleanup3_crit_edge.us
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%indvars.iv30 = phi i64 [ 0, %for.cond1.preheader.us.preheader ], [ %indvars.iv.next31, %for.cond1.for.cond.cleanup3_crit_edge.us ]
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%arrayidx.us = getelementptr inbounds i16, ptr %y, i64 %indvars.iv30
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%1 = load i16, ptr %arrayidx.us, align 2
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%conv.us = sext i16 %1 to i32
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%2 = mul nsw i64 %indvars.iv30, %0
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br i1 %min.iters.check, label %for.body4.us.preheader, label %vector.ph
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vector.ph: ; preds = %for.cond1.preheader.us
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%broadcast.splatinsert = insertelement <8 x i32> poison, i32 %conv.us, i64 0
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%broadcast.splat = shufflevector <8 x i32> %broadcast.splatinsert, <8 x i32> poison, <8 x i32> zeroinitializer
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%broadcast.splatinsert37 = insertelement <8 x i32> poison, i32 %conv.us, i64 0
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%broadcast.splat38 = shufflevector <8 x i32> %broadcast.splatinsert37, <8 x i32> poison, <8 x i32> zeroinitializer
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br label %vector.body
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vector.body: ; preds = %vector.body, %vector.ph
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%index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
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%3 = getelementptr inbounds i16, ptr %y, i64 %index
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%wide.load = load <8 x i16>, ptr %3, align 2
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%4 = getelementptr inbounds i16, ptr %3, i64 8
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%wide.load36 = load <8 x i16>, ptr %4, align 2
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%5 = sext <8 x i16> %wide.load to <8 x i32>
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%6 = sext <8 x i16> %wide.load36 to <8 x i32>
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%7 = mul nsw <8 x i32> %broadcast.splat, %5
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%8 = mul nsw <8 x i32> %broadcast.splat38, %6
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%9 = add nuw nsw i64 %index, %2
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%10 = getelementptr inbounds i32, ptr %out, i64 %9
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%wide.load39 = load <8 x i32>, ptr %10, align 4
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%11 = getelementptr inbounds i32, ptr %10, i64 8
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%wide.load40 = load <8 x i32>, ptr %11, align 4
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%12 = add nsw <8 x i32> %7, %wide.load39
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%13 = add nsw <8 x i32> %8, %wide.load40
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store <8 x i32> %12, ptr %10, align 4
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store <8 x i32> %13, ptr %11, align 4
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%index.next = add nuw i64 %index, 16
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%14 = icmp eq i64 %index.next, %n.vec
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br i1 %14, label %middle.block, label %vector.body
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middle.block: ; preds = %vector.body
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br i1 %cmp.n, label %for.cond1.for.cond.cleanup3_crit_edge.us, label %for.body4.us.preheader
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for.body4.us.preheader: ; preds = %for.cond1.preheader.us, %middle.block
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%indvars.iv.ph = phi i64 [ 0, %for.cond1.preheader.us ], [ %n.vec, %middle.block ]
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br label %for.body4.us
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for.body4.us: ; preds = %for.body4.us.preheader, %for.body4.us
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%indvars.iv = phi i64 [ %indvars.iv.next, %for.body4.us ], [ %indvars.iv.ph, %for.body4.us.preheader ]
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%arrayidx6.us = getelementptr inbounds i16, ptr %y, i64 %indvars.iv
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%15 = load i16, ptr %arrayidx6.us, align 2
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%conv7.us = sext i16 %15 to i32
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%mul.us = mul nsw i32 %conv7.us, %conv.us
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%16 = add nuw nsw i64 %indvars.iv, %2
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%arrayidx10.us = getelementptr inbounds i32, ptr %out, i64 %16
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%17 = load i32, ptr %arrayidx10.us, align 4
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%add11.us = add nsw i32 %mul.us, %17
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store i32 %add11.us, ptr %arrayidx10.us, align 4
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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%exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count34
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br i1 %exitcond.not, label %for.cond1.for.cond.cleanup3_crit_edge.us, label %for.body4.us
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for.cond1.for.cond.cleanup3_crit_edge.us: ; preds = %for.body4.us, %middle.block
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%indvars.iv.next31 = add nuw nsw i64 %indvars.iv30, 1
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%exitcond35.not = icmp eq i64 %indvars.iv.next31, %wide.trip.count34
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br i1 %exitcond35.not, label %for.cond.cleanup, label %for.cond1.preheader.us
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for.cond.cleanup: ; preds = %for.cond1.for.cond.cleanup3_crit_edge.us, %entry
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ret void
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}
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