; RUN: opt -S -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(i32** %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 i32*, i32** %vla, i64 %iv store i32* %alloca, i32** %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(i32** nonnull %vla) ret void } declare void @foo(i32**) !0 = !{!0, !1} !1 = !{!"llvm.loop.vectorize.scalable.enable", i1 true}