59 lines
2.5 KiB
LLVM
59 lines
2.5 KiB
LLVM
; REQUIRES: asserts
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; RUN: opt < %s -loop-vectorize -debug -disable-output -force-ordered-reductions=true -hints-allow-reordering=false \
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; RUN: -prefer-predicate-over-epilogue=scalar-epilogue -force-vector-interleave=1 -S 2>&1 | FileCheck %s
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; RUN: opt < %s -loop-vectorize -debug -disable-output -force-ordered-reductions=true -hints-allow-reordering=false \
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; RUN: -prefer-predicate-over-epilogue=scalar-epilogue -force-vector-interleave=1 \
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; RUN: -mcpu=neoverse-n2 -S 2>&1 | FileCheck %s --check-prefix=CHECK-CPU-NEOVERSE-N2
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target triple="aarch64-unknown-linux-gnu"
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; CHECK: Found an estimated cost of 8 for VF vscale x 2 For instruction: %add = fadd float %0, %sum.07
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; CHECK: Found an estimated cost of 16 for VF vscale x 4 For instruction: %add = fadd float %0, %sum.07
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; CHECK-CPU-NEOVERSE-N2: Found an estimated cost of 4 for VF vscale x 2 For instruction: %add = fadd float %0, %sum.07
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; CHECK-CPU-NEOVERSE-N2: Found an estimated cost of 8 for VF vscale x 4 For instruction: %add = fadd float %0, %sum.07
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define float @fadd_strict32(float* noalias nocapture readonly %a, i64 %n) #0 {
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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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%sum.07 = phi float [ 0.000000e+00, %entry ], [ %add, %for.body ]
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%arrayidx = getelementptr inbounds float, float* %a, i64 %iv
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%0 = load float, float* %arrayidx, align 4
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%add = fadd float %0, %sum.07
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%iv.next = add nuw nsw 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 float %add
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}
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; CHECK: Found an estimated cost of 8 for VF vscale x 2 For instruction: %add = fadd double %0, %sum.07
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; CHECK-CPU-NEOVERSE-N2: Found an estimated cost of 4 for VF vscale x 2 For instruction: %add = fadd double %0, %sum.07
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define double @fadd_strict64(double* noalias nocapture readonly %a, i64 %n) #0 {
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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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%sum.07 = phi double [ 0.000000e+00, %entry ], [ %add, %for.body ]
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%arrayidx = getelementptr inbounds double, double* %a, i64 %iv
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%0 = load double, double* %arrayidx, align 4
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%add = fadd double %0, %sum.07
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%iv.next = add nuw nsw 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 double %add
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}
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attributes #0 = { "target-features"="+sve" vscale_range(1, 16) }
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!0 = distinct !{!0, !1}
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!1 = !{!"llvm.loop.vectorize.scalable.enable", i1 true}
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