1; RUN: llc < %s -mtriple=thumbv7-apple-darwin10 -relocation-model=pic -disable-fp-elim -mcpu=cortex-a8 | FileCheck %s
2
3; Do not form Thumb2 ldrd / strd if the offset is not multiple of 4.
4; rdar://9133587
5
6%struct.Outer = type { i32, [2 x %"struct.Outer::Inner"] }
7%"struct.Outer::Inner" = type { i32, i32, i8, i8 }
8
9@oStruct = external global %struct.Outer, align 4
10
11define void @main() nounwind {
12; CHECK: main:
13; CHECK-NOT: ldrd
14; CHECK: mul
15for.body.lr.ph:
16  br label %for.body
17
18for.body:                                         ; preds = %_Z14printIsNotZeroi.exit17.for.body_crit_edge, %for.body.lr.ph
19  %tmp3 = phi i1 [ false, %for.body.lr.ph ], [ %phitmp27, %_Z14printIsNotZeroi.exit17.for.body_crit_edge ]
20  %i.022 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %_Z14printIsNotZeroi.exit17.for.body_crit_edge ]
21  %x = getelementptr %struct.Outer* @oStruct, i32 0, i32 1, i32 %i.022, i32 0
22  %y = getelementptr %struct.Outer* @oStruct, i32 0, i32 1, i32 %i.022, i32 1
23  %inc = add i32 %i.022, 1
24  br i1 %tmp3, label %_Z14printIsNotZeroi.exit, label %if.then.i
25
26if.then.i:                                        ; preds = %for.body
27  unreachable
28
29_Z14printIsNotZeroi.exit:                         ; preds = %for.body
30  %tmp8 = load i32* %x, align 4, !tbaa !0
31  %tmp11 = load i32* %y, align 4, !tbaa !0
32  %mul = mul nsw i32 %tmp11, %tmp8
33  %tobool.i14 = icmp eq i32 %mul, 0
34  br i1 %tobool.i14, label %_Z14printIsNotZeroi.exit17, label %if.then.i16
35
36if.then.i16:                                      ; preds = %_Z14printIsNotZeroi.exit
37  unreachable
38
39_Z14printIsNotZeroi.exit17:                       ; preds = %_Z14printIsNotZeroi.exit
40  br i1 undef, label %_Z14printIsNotZeroi.exit17.for.body_crit_edge, label %for.end
41
42_Z14printIsNotZeroi.exit17.for.body_crit_edge:    ; preds = %_Z14printIsNotZeroi.exit17
43  %b.phi.trans.insert = getelementptr %struct.Outer* @oStruct, i32 0, i32 1, i32 %inc, i32 3
44  %tmp3.pre = load i8* %b.phi.trans.insert, align 1, !tbaa !3
45  %phitmp27 = icmp eq i8 undef, 0
46  br label %for.body
47
48for.end:                                          ; preds = %_Z14printIsNotZeroi.exit17
49  ret void
50}
51
52!0 = metadata !{metadata !"int", metadata !1}
53!1 = metadata !{metadata !"omnipotent char", metadata !2}
54!2 = metadata !{metadata !"Simple C/C++ TBAA", null}
55!3 = metadata !{metadata !"bool", metadata !1}
56