1; RUN: llc -mcpu=cortex-a9 -O1 -filetype=obj %s -o - | llvm-objdump -arch thumb -mcpu=cortex-a9 -d - | FileCheck %s
2
3target datalayout = "e-m:e-p:32:32-i1:8:32-i8:8:32-i16:16:32-i64:64-v128:64:128-a:0:32-n32-S64"
4target triple = "thumbv7--linux-gnueabi"
5
6declare i8* @llvm.returnaddress(i32)
7
8define i32* @wrong-t2stmia-size-reduction(i32* %addr, i32 %val0) minsize {
9  store i32 %val0, i32* %addr
10  %addr1 = getelementptr i32* %addr, i32 1
11  %lr = call i8* @llvm.returnaddress(i32 0)
12  %lr32 = ptrtoint i8* %lr to i32
13  store i32 %lr32, i32* %addr1
14  %addr2 = getelementptr i32* %addr1, i32 1
15  ret i32* %addr2
16}
17
18; Check that stm writes two registers.  The bug caused one of registers (LR,
19; which invalid for Thumb1 form of STMIA instruction) to be dropped.
20; CHECK: stm{{[^,]*}}, {{{.*,.*}}}
21