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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr8 -O0 < %s \
3; RUN:    | FileCheck -check-prefix=NOOPT %s
4; RUN: llc -relocation-model=static -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu \
5; RUN:     -mcpu=pwr8 < %s | FileCheck -check-prefix=STATIC %s
6; RUN: llc -relocation-model=pic -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu \
7; RUN:     -mcpu=pwr8 < %s | FileCheck -check-prefix=PIC %s
8
9; Test correct code generation for static and pic for loading and storing a common symbol
10
11@comm_glob = common global i32 0, align 4
12
13define signext i32 @test_comm() nounwind {
14; NOOPT-LABEL: test_comm:
15; NOOPT:       # %bb.0: # %entry
16; NOOPT-NEXT:    addis 3, 2, comm_glob@toc@ha
17; NOOPT-NEXT:    addi 5, 3, comm_glob@toc@l
18; NOOPT-NEXT:    lwz 3, 0(5)
19; NOOPT-NEXT:    addi 4, 3, 1
20; NOOPT-NEXT:    stw 4, 0(5)
21; NOOPT-NEXT:    extsw 3, 3
22; NOOPT-NEXT:    blr
23;
24; STATIC-LABEL: test_comm:
25; STATIC:       # %bb.0: # %entry
26; STATIC-NEXT:    addis 4, 2, comm_glob@toc@ha
27; STATIC-NEXT:    lwa 3, comm_glob@toc@l(4)
28; STATIC-NEXT:    addi 5, 3, 1
29; STATIC-NEXT:    stw 5, comm_glob@toc@l(4)
30; STATIC-NEXT:    blr
31;
32; PIC-LABEL: test_comm:
33; PIC:       # %bb.0: # %entry
34; PIC-NEXT:    addis 3, 2, .LC0@toc@ha
35; PIC-NEXT:    ld 4, .LC0@toc@l(3)
36; PIC-NEXT:    lwa 3, 0(4)
37; PIC-NEXT:    addi 5, 3, 1
38; PIC-NEXT:    stw 5, 0(4)
39; PIC-NEXT:    blr
40entry:
41  %0 = load i32, i32* @comm_glob, align 4
42  %inc = add nsw i32 %0, 1
43  store i32 %inc, i32* @comm_glob, align 4
44  ret i32 %0
45}
46