29 lines
1.1 KiB
LLVM
29 lines
1.1 KiB
LLVM
; REQUIRES: asserts
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; RUN: opt < %s -passes=loop-vectorize -mattr=+sve -force-vector-width=4 -debug-only=loop-vectorize \
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; RUN: -prefer-predicate-over-epilogue=scalar-epilogue -S -disable-output 2>&1 | FileCheck %s
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target triple = "aarch64-linux-gnu"
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define dso_local void @loop_sve_i1(ptr nocapture %ptr, i64 %N) {
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; CHECK-LABEL: LV: Checking a loop in 'loop_sve_i1'
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; CHECK: LV: Found an estimated cost of Invalid for VF vscale x 4 For instruction: %0 = load i1, ptr %arrayidx, align 16
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; CHECK: LV: Found an estimated cost of Invalid for VF vscale x 4 For instruction: store i1 %add, ptr %arrayidx, align 16
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entry:
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br label %for.body
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for.body:
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%iv = phi i64 [ 0, %entry ], [ %iv.next, %for.body ]
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%arrayidx = getelementptr inbounds i1, ptr %ptr, i64 %iv
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%0 = load i1, ptr %arrayidx, align 16
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%add = add nsw i1 %0, 1
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store i1 %add, ptr %arrayidx, align 16
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%iv.next = add i64 %iv, 1
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%exitcond.not = icmp eq i64 %iv.next, %N
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br i1 %exitcond.not, label %for.end, label %for.body, !llvm.loop !0
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for.end:
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ret void
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}
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!0 = distinct !{!0, !1}
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!1 = !{!"llvm.loop.vectorize.scalable.enable", i1 true}
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