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; RUN: opt -S -passes=loop-vectorize -mattr=+sve -mtriple aarch64-unknown-linux-gnu -force-vector-width=2 -pass-remarks-analysis=loop-vectorize -pass-remarks-missed=loop-vectorize < %s 2>%t | FileCheck %s
; RUN: FileCheck %s --check-prefix=CHECK-REMARKS < %t
; CHECK-REMARKS: UserVF ignored because of invalid costs.
; CHECK-REMARKS: Instruction with invalid costs prevented vectorization at VF=(vscale x 1, vscale x 2): alloca
; CHECK-REMARKS: Instruction with invalid costs prevented vectorization at VF=(vscale x 1): store
define void @alloca(ptr %vla, i64 %N) {
; CHECK-LABEL: @alloca(
; CHECK-NOT: <vscale x
entry:
br label %for.body
for.body:
%iv = phi i64 [ %iv.next, %for.body ], [ 0, %entry ]
%alloca = alloca i32, align 16
%arrayidx = getelementptr inbounds ptr, ptr %vla, i64 %iv
store ptr %alloca, ptr %arrayidx, align 8
%iv.next = add nuw nsw i64 %iv, 1
%exitcond.not = icmp eq i64 %iv.next, %N
br i1 %exitcond.not, label %for.end, label %for.body, !llvm.loop !0
for.end:
call void @foo(ptr nonnull %vla)
ret void
}
declare void @foo(ptr)
!0 = !{!0, !1}
!1 = !{!"llvm.loop.vectorize.scalable.enable", i1 true}
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