1; REQUIRES: asserts 2; RUN: opt < %s -passes=loop-vectorize -mattr=+sve -force-vector-width=4 -debug-only=loop-vectorize \ 3; RUN: -prefer-predicate-over-epilogue=scalar-epilogue -S -disable-output 2>&1 | FileCheck %s 4target triple = "aarch64-linux-gnu" 5 6define dso_local void @loop_sve_i1(ptr nocapture %ptr, i64 %N) { 7; CHECK-LABEL: LV: Checking a loop in 'loop_sve_i1' 8; CHECK: LV: Found an estimated cost of Invalid for VF vscale x 4 For instruction: %0 = load i1, ptr %arrayidx, align 16 9; CHECK: LV: Found an estimated cost of Invalid for VF vscale x 4 For instruction: store i1 %add, ptr %arrayidx, align 16 10entry: 11 br label %for.body 12 13for.body: 14 %iv = phi i64 [ 0, %entry ], [ %iv.next, %for.body ] 15 %arrayidx = getelementptr inbounds i1, ptr %ptr, i64 %iv 16 %0 = load i1, ptr %arrayidx, align 16 17 %add = add nsw i1 %0, 1 18 store i1 %add, ptr %arrayidx, align 16 19 %iv.next = add i64 %iv, 1 20 %exitcond.not = icmp eq i64 %iv.next, %N 21 br i1 %exitcond.not, label %for.end, label %for.body, !llvm.loop !0 22 23for.end: 24 ret void 25} 26 27!0 = distinct !{!0, !1} 28!1 = !{!"llvm.loop.vectorize.scalable.enable", i1 true} 29