source: icGREP/icgrep-devel/llvm-3.8.0.src/test/CodeGen/ARM/wrong-t2stmia-size-opt.ll @ 5027

Last change on this file since 5027 was 5027, checked in by cameron, 3 years ago

Upgrade to llvm 3.8

File size: 971 bytes
Line 
1; RUN: llc -mtriple=thumbv7-- -mcpu=cortex-a9 -O1 -filetype=obj %s -o - | llvm-objdump -triple=thumbv7-- -mcpu=cortex-a9 -d - | FileCheck %s
2
3target 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"
4target triple = "thumbv7--linux-gnueabi"
5
6declare i8* @llvm.returnaddress(i32)
7
8define i32* @wrong-t2stmia-size-reduction(i32* %addr, i32 %val0, i32 %val1) minsize {
9  store i32 %val0, i32* %addr
10  %addr1 = getelementptr i32, i32* %addr, i32 1
11  %addr2 = getelementptr i32, i32* %addr, i32 2
12  %lr = call i8* @llvm.returnaddress(i32 0)
13  %lr32 = ptrtoint i8* %lr to i32
14  store i32 %val1, i32* %addr1
15  store i32 %lr32, i32* %addr2
16
17  %addr3 = getelementptr i32, i32* %addr, i32 3
18  ret i32* %addr3
19}
20
21; Check that stm writes three registers.  The bug caused one of registers (LR,
22; which invalid for Thumb1 form of STMIA instruction) to be dropped.
23; CHECK-LABEL: wrong-t2stmia-size-reduction:
24; CHECK: stm{{[^,]*}}, {{{.*,.*,.*}}}
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