34 lines
1.1 KiB
LLVM
34 lines
1.1 KiB
LLVM
; RUN: opt -loop-vectorize -force-target-instruction-cost=1 -prefer-predicate-over-epilogue=predicate-dont-vectorize -S < %s 2>&1 | FileCheck %s
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; This test currently fails when the LV calculates a maximums safe
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; distance for scalable vectors, because the code to eliminate the tail is
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; pessimistic when scalable vectors are considered. This will be addressed
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; in a future patch, at which point we should be able to un-XFAIL the
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; test. The expected output is to vectorize this loop without predication
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; (and thus have unpredicated vector store).
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; XFAIL: *
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; CHECK: store <4 x i32>
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target triple = "aarch64"
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target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
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define void @f1(i32* %A) #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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%arrayidx = getelementptr inbounds i32, i32* %A, i64 %iv
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store i32 1, i32* %arrayidx, align 4
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%iv.next = add nuw nsw i64 %iv, 1
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%exitcond = icmp ne i64 %iv.next, 1024
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br i1 %exitcond, label %for.body, label %exit
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exit:
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ret void
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}
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attributes #0 = { "target-features"="+sve" }
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