1 ; RUN: opt -loop-accesses -analyze < %s | FileCheck %s
3 ; 3 reads and 3 writes should need 12 memchecks
5 target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128"
6 target triple = "aarch64--linux-gnueabi"
8 ; CHECK: Memory dependences are safe with run-time checks
9 ; Memory dependecies have labels starting from 0, so in
10 ; order to verify that we have n checks, we look for
13 ; CHECK: Run-time memory checks:
18 define void @testf(i16* %a,
27 for.body: ; preds = %for.body, %entry
28 %ind = phi i64 [ 0, %entry ], [ %add, %for.body ]
30 %add = add nuw nsw i64 %ind, 1
32 %arrayidxA = getelementptr inbounds i16, i16* %a, i64 %ind
33 %loadA = load i16, i16* %arrayidxA, align 2
35 %arrayidxB = getelementptr inbounds i16, i16* %b, i64 %ind
36 %loadB = load i16, i16* %arrayidxB, align 2
38 %arrayidxC = getelementptr inbounds i16, i16* %c, i64 %ind
39 %loadC = load i16, i16* %arrayidxC, align 2
41 %mul = mul i16 %loadB, %loadA
42 %mul1 = mul i16 %mul, %loadC
44 %arrayidxD = getelementptr inbounds i16, i16* %d, i64 %ind
45 store i16 %mul1, i16* %arrayidxD, align 2
47 %arrayidxE = getelementptr inbounds i16, i16* %e, i64 %ind
48 store i16 %mul, i16* %arrayidxE, align 2
50 %arrayidxF = getelementptr inbounds i16, i16* %f, i64 %ind
51 store i16 %mul1, i16* %arrayidxF, align 2
53 %exitcond = icmp eq i64 %add, 20
54 br i1 %exitcond, label %for.end, label %for.body
56 for.end: ; preds = %for.body