1 ; RUN: llc -mcpu=cortex-a9 -O1 -filetype=obj %s -o - | llvm-objdump -arch thumb -mcpu=cortex-a9 -d - | FileCheck %s 2 3 target 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" 4 target triple = "thumbv7--linux-gnueabi" 5 6 declare i8* @llvm.returnaddress(i32) 7 8 define i32* @wrong-t2stmia-size-reduction(i32* %addr, i32 %val0) minsize { 9 store i32 %val0, i32* %addr 10 %addr1 = getelementptr i32, 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, 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
