blob: 1c7fd454f2671ba329138278721a0cde9e6cef7e [file] [log] [blame]
; 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{{[^,]*}}, {{{.*,.*,.*}}}