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1target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"2 3; RUN: opt < %s -S -passes=loop-vectorize -debug-only=loop-vectorize --disable-output 2>&1 | FileCheck %s4; REQUIRES: asserts5; CHECK: LV: Can't vectorize due to memory conflicts6 7define void @test_loop_novect(ptr %arr, i64 %n) {8for.body.lr.ph:9 %t = load ptr, ptr %arr, align 810 br label %for.body11 12for.body: ; preds = %for.body, %for.body.lr.ph13 %i = phi i64 [ 0, %for.body.lr.ph ], [ %i.next, %for.body ]14 %a = getelementptr inbounds double, ptr %t, i64 %i15 %i.next = add nuw nsw i64 %i, 116 %a.next = getelementptr inbounds double, ptr %t, i64 %i.next17 %t1 = load double, ptr %a, align 818 %t2 = load double, ptr %a.next, align 819 store double %t1, ptr %a.next, align 820 store double %t2, ptr %a, align 821 %c = icmp eq i64 %i, %n22 br i1 %c, label %final, label %for.body23 24final: ; preds = %for.body25 ret void26}27