forked from OSchip/llvm-project
57 lines
2.6 KiB
LLVM
57 lines
2.6 KiB
LLVM
; RUN: opt -S -mtriple=aarch64 -loop-vectorize -force-vector-width=2 < %s | FileCheck %s
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target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
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target triple = "aarch64--linux-gnu"
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@b = common local_unnamed_addr global i32 0, align 4
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@a = common local_unnamed_addr global i16* null, align 8
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; Function Attrs: norecurse nounwind readonly
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define i32 @fn1() local_unnamed_addr #0 {
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; Ensure that we don't emit reduction intrinsics for unsupported short reductions.
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; CHECK-NOT: @llvm.experimental.vector.reduce
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entry:
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%0 = load i32, i32* @b, align 4, !tbaa !1
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%cmp40 = icmp sgt i32 %0, 0
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br i1 %cmp40, label %for.body.lr.ph, label %for.end
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for.body.lr.ph: ; preds = %entry
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%1 = load i16*, i16** @a, align 8, !tbaa !5
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%2 = load i32, i32* @b, align 4, !tbaa !1
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%3 = sext i32 %2 to i64
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br label %for.body
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for.body: ; preds = %for.body.lr.ph, %for.body
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%indvars.iv = phi i64 [ 0, %for.body.lr.ph ], [ %indvars.iv.next, %for.body ]
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%d.043 = phi i16 [ undef, %for.body.lr.ph ], [ %.sink28, %for.body ]
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%c.042 = phi i16 [ undef, %for.body.lr.ph ], [ %c.0., %for.body ]
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%arrayidx = getelementptr inbounds i16, i16* %1, i64 %indvars.iv
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%4 = load i16, i16* %arrayidx, align 2, !tbaa !7
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%cmp2 = icmp sgt i16 %c.042, %4
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%c.0. = select i1 %cmp2, i16 %c.042, i16 %4
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%cmp13 = icmp slt i16 %d.043, %4
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%.sink28 = select i1 %cmp13, i16 %d.043, i16 %4
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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%cmp = icmp slt i64 %indvars.iv.next, %3
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br i1 %cmp, label %for.body, label %for.end
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for.end: ; preds = %for.body, %entry
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%c.0.lcssa = phi i16 [ undef, %entry ], [ %c.0., %for.body ]
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%d.0.lcssa = phi i16 [ undef, %entry ], [ %.sink28, %for.body ]
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%cmp26 = icmp sgt i16 %c.0.lcssa, %d.0.lcssa
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%conv27 = zext i1 %cmp26 to i32
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ret i32 %conv27
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}
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attributes #0 = { norecurse nounwind readonly "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+neon" "unsafe-fp-math"="false" "use-soft-float"="false" }
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!llvm.ident = !{!0}
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!0 = !{!"clang"}
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!1 = !{!2, !2, i64 0}
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!2 = !{!"int", !3, i64 0}
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!3 = !{!"omnipotent char", !4, i64 0}
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!4 = !{!"Simple C/C++ TBAA"}
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!5 = !{!6, !6, i64 0}
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!6 = !{!"any pointer", !3, i64 0}
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!7 = !{!8, !8, i64 0}
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!8 = !{!"short", !3, i64 0}
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