1 ; RUN: llc -mtriple=armv7a-none-eabi %s -o - -verify-machineinstrs | FileCheck %s
2 ; RUN: llc -mtriple=thumbv7a-none-eabi %s -o - -verify-machineinstrs | FileCheck %s
3 ; RUN: llc -mtriple=thumbv7m-none-eabi %s -o - -verify-machineinstrs | FileCheck %s
5 ; Check we do not hit verifier errors from ifcvting volatile ldrd's
11 define void @c(i64* %b) noreturn nounwind {
15 for.cond: ; preds = %land.end.3, %entry
16 %a.0 = phi i32 [ 0, %entry ], [ %conv2.3, %land.end.3 ]
17 %tobool.not = icmp eq i32 %a.0, 0
18 br i1 %tobool.not, label %land.end, label %land.rhs
20 land.rhs: ; preds = %for.cond
21 %0 = load volatile i64, i64* %b, align 8
24 land.end: ; preds = %land.rhs, %for.cond
25 %sub.i = add nuw nsw i32 %a.0, 65533
26 %conv2 = and i32 %sub.i, 65535
27 %tobool.not.1 = icmp eq i32 %conv2, 0
28 br i1 %tobool.not.1, label %land.end.1, label %land.rhs.1
30 land.rhs.1: ; preds = %land.end
31 %1 = load volatile i64, i64* %b, align 8
34 land.end.1: ; preds = %land.rhs.1, %land.end
35 %sub.i.1 = add nuw nsw i32 %a.0, 65530
36 %conv2.1 = and i32 %sub.i.1, 65535
37 %tobool.not.2 = icmp eq i32 %conv2.1, 0
38 br i1 %tobool.not.2, label %land.end.2, label %land.rhs.2
40 land.rhs.2: ; preds = %land.end.1
41 %2 = load volatile i64, i64* %b, align 8
44 land.end.2: ; preds = %land.rhs.2, %land.end.1
45 %sub.i.2 = add nuw nsw i32 %a.0, 65527
46 %conv2.2 = and i32 %sub.i.2, 65535
47 %tobool.not.3 = icmp eq i32 %conv2.2, 0
48 br i1 %tobool.not.3, label %land.end.3, label %land.rhs.3
50 land.rhs.3: ; preds = %land.end.2
51 %3 = load volatile i64, i64* %b, align 8
54 land.end.3: ; preds = %land.rhs.3, %land.end.2
55 %sub.i.3 = add nuw nsw i32 %a.0, 65524
56 %conv2.3 = and i32 %sub.i.3, 65535