| ; RUN: llc -mtriple=thumbv7-- -mcpu=cortex-a9 -O1 -filetype=obj %s -o - | llvm-objdump -triple=thumbv7-- -mcpu=cortex-a9 -d - | FileCheck %s |
| |
| 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" |
| target triple = "thumbv7--linux-gnueabi" |
| |
| declare i8* @llvm.returnaddress(i32) |
| |
| define i32* @wrong-t2stmia-size-reduction(i32* %addr, i32 %val0, i32 %val1) minsize { |
| store i32 %val0, i32* %addr |
| %addr1 = getelementptr i32, i32* %addr, i32 1 |
| %addr2 = getelementptr i32, i32* %addr, i32 2 |
| %lr = call i8* @llvm.returnaddress(i32 0) |
| %lr32 = ptrtoint i8* %lr to i32 |
| store i32 %val1, i32* %addr1 |
| store i32 %lr32, i32* %addr2 |
| |
| %addr3 = getelementptr i32, i32* %addr, i32 3 |
| ret i32* %addr3 |
| } |
| |
| ; Check that stm writes three registers. The bug caused one of registers (LR, |
| ; which invalid for Thumb1 form of STMIA instruction) to be dropped. |
| ; CHECK-LABEL: wrong-t2stmia-size-reduction: |
| ; CHECK: stm{{[^,]*}}, {{{.*,.*,.*}}} |
