xref: /llvm-project/llvm/test/CodeGen/ARM/pr39571.ll (revision bed1c7f061aa12417aa081e334afdba45767b938)
1; RUN: llc < %s -mtriple armv4t-unknown-linux-gnueabi -mattr=+strict-align
2
3; Avoid crash from forwarding indexed-loads back to store.
4%struct.anon = type { ptr, %struct.mb }
5%struct.ma = type { i8 }
6%struct.mb = type { i8, i8 }
7%struct.anon.0 = type { %struct.anon.1 }
8%struct.anon.1 = type { %struct.ds }
9%struct.ds = type <{ i8, %union.ie }>
10%union.ie = type { %struct.ib }
11%struct.ib = type { i8, i8, i16 }
12
13@a = common dso_local local_unnamed_addr global ptr null, align 4
14@b = common dso_local local_unnamed_addr global %struct.anon.0 zeroinitializer, align 1
15
16; Function Attrs: norecurse nounwind
17define dso_local void @func() local_unnamed_addr {
18entry:
19  %0 = load ptr, ptr @a, align 4
20  %1 = load ptr, ptr %0, align 4
21  %c.sroa.0.0.copyload = load i8, ptr %1, align 1
22  %cb = getelementptr inbounds %struct.anon, ptr %0, i32 0, i32 1
23  %band = getelementptr inbounds %struct.anon, ptr %0, i32 0, i32 1, i32 1
24  store i8 %c.sroa.0.0.copyload, ptr %band, align 4
25  store i8 6, ptr getelementptr inbounds (%struct.anon.0, ptr @b, i32 0, i32 0, i32 0, i32 1, i32 0, i32 0), align 1
26  store i8 2, ptr getelementptr inbounds (%struct.anon.0, ptr @b, i32 0, i32 0, i32 0, i32 1, i32 0, i32 1), align 1
27  %2 = load i32, ptr getelementptr inbounds (%struct.anon.0, ptr @b, i32 0, i32 0, i32 0, i32 1, i32 0, i32 0), align 1
28  store i32 %2, ptr %cb, align 1
29  ret void
30}
31