1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -O0 -mtriple=mipsel-unknown-linux-gnu -mcpu=mips32r2 -target-abi=o32 < %s -filetype=asm -o - \
3; RUN:   | FileCheck -check-prefixes=O32 %s
4; RUN: llc -O0 -mtriple=mips64el-unknown-linux-gnu -mcpu=mips64r2 -target-abi=n32 < %s -filetype=asm -o - \
5; RUN:   | FileCheck  -check-prefixes=N32,ALL %s
6; RUN: llc -O0 -mtriple=mips64el-unknown-linux-gnu -mcpu=mips64r2 -target-abi=n64 < %s -filetype=asm -o - \
7; RUN:   | FileCheck -check-prefixes=N64 %s
8
9@sym = external global i32 *
10
11define void @foo(i32 %new, i32 %old) {
12; O32-LABEL: foo:
13; O32:       # %bb.0: # %entry
14; O32-NEXT:    addiu $sp, $sp, -16
15; O32-NEXT:    .cfi_def_cfa_offset 16
16; O32-NEXT:    move $1, $5
17; O32-NEXT:    move $2, $4
18; O32-NEXT:    lui $3, %hi(sym)
19; O32-NEXT:    lw $3, %lo(sym)($3)
20; O32-NEXT:    sync
21; O32-NEXT:  $BB0_1: # %entry
22; O32-NEXT:    # =>This Inner Loop Header: Depth=1
23; O32-NEXT:    ll $6, 0($3)
24; O32-NEXT:    bne $6, $4, $BB0_3
25; O32-NEXT:    nop
26; O32-NEXT:  # %bb.2: # %entry
27; O32-NEXT:    # in Loop: Header=BB0_1 Depth=1
28; O32-NEXT:    move $7, $5
29; O32-NEXT:    sc $7, 0($3)
30; O32-NEXT:    beqz $7, $BB0_1
31; O32-NEXT:    nop
32; O32-NEXT:  $BB0_3: # %entry
33; O32-NEXT:    sync
34; O32-NEXT:    sw $1, 12($sp) # 4-byte Folded Spill
35; O32-NEXT:    sw $2, 8($sp) # 4-byte Folded Spill
36; O32-NEXT:    sw $6, 4($sp) # 4-byte Folded Spill
37; O32-NEXT:    addiu $sp, $sp, 16
38; O32-NEXT:    jr $ra
39; O32-NEXT:    nop
40;
41; N32-LABEL: foo:
42; N32:       # %bb.0: # %entry
43; N32-NEXT:    addiu $sp, $sp, -16
44; N32-NEXT:    .cfi_def_cfa_offset 16
45; N32-NEXT:    move $1, $5
46; N32-NEXT:    sll $1, $1, 0
47; N32-NEXT:    move $2, $4
48; N32-NEXT:    sll $2, $2, 0
49; N32-NEXT:    lui $3, %hi(sym)
50; N32-NEXT:    lw $3, %lo(sym)($3)
51; N32-NEXT:    sync
52; N32-NEXT:  .LBB0_1: # %entry
53; N32-NEXT:    # =>This Inner Loop Header: Depth=1
54; N32-NEXT:    ll $6, 0($3)
55; N32-NEXT:    bne $6, $2, .LBB0_3
56; N32-NEXT:    nop
57; N32-NEXT:  # %bb.2: # %entry
58; N32-NEXT:    # in Loop: Header=BB0_1 Depth=1
59; N32-NEXT:    move $7, $1
60; N32-NEXT:    sc $7, 0($3)
61; N32-NEXT:    beqz $7, .LBB0_1
62; N32-NEXT:    nop
63; N32-NEXT:  .LBB0_3: # %entry
64; N32-NEXT:    sync
65; N32-NEXT:    sw $6, 12($sp) # 4-byte Folded Spill
66; N32-NEXT:    addiu $sp, $sp, 16
67; N32-NEXT:    jr $ra
68; N32-NEXT:    nop
69;
70; N64-LABEL: foo:
71; N64:       # %bb.0: # %entry
72; N64-NEXT:    daddiu $sp, $sp, -16
73; N64-NEXT:    .cfi_def_cfa_offset 16
74; N64-NEXT:    move $1, $5
75; N64-NEXT:    sll $1, $1, 0
76; N64-NEXT:    move $2, $4
77; N64-NEXT:    sll $2, $2, 0
78; N64-NEXT:    lui $3, %highest(sym)
79; N64-NEXT:    daddiu $3, $3, %higher(sym)
80; N64-NEXT:    dsll $3, $3, 16
81; N64-NEXT:    daddiu $3, $3, %hi(sym)
82; N64-NEXT:    dsll $3, $3, 16
83; N64-NEXT:    ld $3, %lo(sym)($3)
84; N64-NEXT:    sync
85; N64-NEXT:  .LBB0_1: # %entry
86; N64-NEXT:    # =>This Inner Loop Header: Depth=1
87; N64-NEXT:    ll $6, 0($3)
88; N64-NEXT:    bne $6, $2, .LBB0_3
89; N64-NEXT:    nop
90; N64-NEXT:  # %bb.2: # %entry
91; N64-NEXT:    # in Loop: Header=BB0_1 Depth=1
92; N64-NEXT:    move $7, $1
93; N64-NEXT:    sc $7, 0($3)
94; N64-NEXT:    beqz $7, .LBB0_1
95; N64-NEXT:    nop
96; N64-NEXT:  .LBB0_3: # %entry
97; N64-NEXT:    sync
98; N64-NEXT:    sw $6, 12($sp) # 4-byte Folded Spill
99; N64-NEXT:    daddiu $sp, $sp, 16
100; N64-NEXT:    jr $ra
101; N64-NEXT:    nop
102entry:
103  %0 = load i32 *, i32 ** @sym
104  cmpxchg i32 * %0, i32 %new, i32 %old seq_cst seq_cst
105  ret void
106}
107
108