; This test checks that we don't emit both ; successful and unsuccessful message about vectorization. ; REQUIRES: asserts ; RUN: opt -passes=loop-vectorize -debug -disable-output < %s 2>&1 | FileCheck %s ; CHECK-NOT: LV: We can vectorize this loop ; CHECK: LV: Not vectorizing: Cannot prove legality ; CHECK-NOT: LV: We can vectorize this loop @a = global [32000 x i32] zeroinitializer, align 4 define void @foo(i32 %val1, i32 %val2) { entry: br label %for.body for.body: ; preds = %entry, %for.body %0 = phi i32 [ %val1, %entry ], [ %add1, %for.body ] %1 = phi i32 [ %val2, %entry ], [ %2, %for.body ] %iv = phi i64 [ 1, %entry ], [ %iv.next, %for.body ] %arrayidx = getelementptr inbounds [32000 x i32], ptr @a, i64 0, i64 %iv %iv.next = add nuw nsw i64 %iv, 1 %arrayidx2 = getelementptr inbounds [32000 x i32], ptr @a, i64 0, i64 %iv.next %2 = load i32, ptr %arrayidx2, align 4 %add0 = add nsw i32 %2, %1 %add1 = add nsw i32 %add0, %0 store i32 %add1, ptr %arrayidx, align 4 %exitcond = icmp eq i64 %iv.next, 31999 br i1 %exitcond, label %exit, label %for.body exit: ; preds = %for.body ret void }