| ; 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 ptr @llvm.returnaddress(i32) |
| |
| define ptr @wrong-t2stmia-size-reduction(ptr %addr, i32 %val0, i32 %val1) minsize { |
| store i32 %val0, ptr %addr |
| %addr1 = getelementptr i32, ptr %addr, i32 1 |
| %addr2 = getelementptr i32, ptr %addr, i32 2 |
| %lr = call ptr @llvm.returnaddress(i32 0) |
| %lr32 = ptrtoint ptr %lr to i32 |
| store i32 %val1, ptr %addr1 |
| store i32 %lr32, ptr %addr2 |
| |
| %addr3 = getelementptr i32, ptr %addr, i32 3 |
| ret ptr %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{{[^,]*}}, {{{.*,.*,.*}}} |