mirror of
https://github.com/RPCSX/llvm.git
synced 2024-12-15 07:59:50 +00:00
21 lines
796 B
LLVM
21 lines
796 B
LLVM
|
; RUN: llc -mcpu=cortex-a9 -O1 -filetype=obj %s -o - | llvm-objdump -arch thumb -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) minsize {
|
||
|
|
store i32 %val0, i32* %addr
|
||
|
|
%addr1 = getelementptr i32* %addr, i32 1
|
||
|
|
%lr = call i8* @llvm.returnaddress(i32 0)
|
||
|
|
%lr32 = ptrtoint i8* %lr to i32
|
||
|
|
store i32 %lr32, i32* %addr1
|
||
|
|
%addr2 = getelementptr i32* %addr1, i32 1
|
||
|
|
ret i32* %addr2
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check that stm writes two registers. The bug caused one of registers (LR,
|
||
|
|
; which invalid for Thumb1 form of STMIA instruction) to be dropped.
|
||
|
|
; CHECK: stm{{[^,]*}}, {{{.*,.*}}}
|