blob: fe335df7a1adacb03d63367112aed84146330aa8 [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 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{{[^,]*}}, {{{.*,.*,.*}}}