1 ; RUN: llc < %s -mtriple=armv7-apple-ios -verify-machineinstrs | FileCheck %s
2 ; RUN: llc < %s -mtriple=thumbv7-apple-ios -verify-machineinstrs | FileCheck %s
3 ; RUN: llc < %s -mtriple=thumbv6-apple-ios -verify-machineinstrs | FileCheck %s --check-prefix=CHECK-T1
5 define void @func(i32 %argc, i8** %argv) nounwind {
7 %argc.addr = alloca i32 ; <i32*> [#uses=1]
8 %argv.addr = alloca i8** ; <i8***> [#uses=1]
9 %val1 = alloca i32 ; <i32*> [#uses=2]
10 %val2 = alloca i32 ; <i32*> [#uses=15]
11 %andt = alloca i32 ; <i32*> [#uses=2]
12 %ort = alloca i32 ; <i32*> [#uses=2]
13 %xort = alloca i32 ; <i32*> [#uses=2]
14 %old = alloca i32 ; <i32*> [#uses=18]
15 %temp = alloca i32 ; <i32*> [#uses=2]
16 store i32 %argc, i32* %argc.addr
17 store i8** %argv, i8*** %argv.addr
18 store i32 0, i32* %val1
19 store i32 31, i32* %val2
20 store i32 3855, i32* %andt
21 store i32 3855, i32* %ort
22 store i32 3855, i32* %xort
23 store i32 4, i32* %temp
24 %tmp = load i32* %temp
28 ; CHECK-T1: blx ___sync_fetch_and_add_4
29 %0 = atomicrmw add i32* %val1, i32 %tmp monotonic
30 store i32 %0, i32* %old
34 ; CHECK-T1: blx ___sync_fetch_and_sub_4
35 %1 = atomicrmw sub i32* %val2, i32 30 monotonic
36 store i32 %1, i32* %old
40 ; CHECK-T1: blx ___sync_fetch_and_add_4
41 %2 = atomicrmw add i32* %val2, i32 1 monotonic
42 store i32 %2, i32* %old
46 ; CHECK-T1: blx ___sync_fetch_and_sub_4
47 %3 = atomicrmw sub i32* %val2, i32 1 monotonic
48 store i32 %3, i32* %old
52 ; CHECK-T1: blx ___sync_fetch_and_and_4
53 %4 = atomicrmw and i32* %andt, i32 4080 monotonic
54 store i32 %4, i32* %old
58 ; CHECK-T1: blx ___sync_fetch_and_or_4
59 %5 = atomicrmw or i32* %ort, i32 4080 monotonic
60 store i32 %5, i32* %old
64 ; CHECK-T1: blx ___sync_fetch_and_xor_4
65 %6 = atomicrmw xor i32* %xort, i32 4080 monotonic
66 store i32 %6, i32* %old
70 ; CHECK-T1: blx ___sync_fetch_and_min_4
71 %7 = atomicrmw min i32* %val2, i32 16 monotonic
72 store i32 %7, i32* %old
77 ; CHECK-T1: blx ___sync_fetch_and_min_4
78 %8 = atomicrmw min i32* %val2, i32 %neg monotonic
79 store i32 %8, i32* %old
83 ; CHECK-T1: blx ___sync_fetch_and_max_4
84 %9 = atomicrmw max i32* %val2, i32 1 monotonic
85 store i32 %9, i32* %old
89 ; CHECK-T1: blx ___sync_fetch_and_max_4
90 %10 = atomicrmw max i32* %val2, i32 0 monotonic
91 store i32 %10, i32* %old
95 ; CHECK-T1: blx ___sync_fetch_and_umin_4
96 %11 = atomicrmw umin i32* %val2, i32 16 monotonic
97 store i32 %11, i32* %old
102 ; CHECK-T1: blx ___sync_fetch_and_umin_4
103 %12 = atomicrmw umin i32* %val2, i32 %uneg monotonic
104 store i32 %12, i32* %old
108 ; CHECK-T1: blx ___sync_fetch_and_umax_4
109 %13 = atomicrmw umax i32* %val2, i32 1 monotonic
110 store i32 %13, i32* %old
114 ; CHECK-T1: blx ___sync_fetch_and_umax_4
115 %14 = atomicrmw umax i32* %val2, i32 0 monotonic
116 store i32 %14, i32* %old
121 define void @func2() nounwind {
125 store i16 31, i16* %val
129 ; CHECK-T1: blx ___sync_fetch_and_umin_2
130 %0 = atomicrmw umin i16* %val, i16 16 monotonic
131 store i16 %0, i16* %old
136 ; CHECK-T1: blx ___sync_fetch_and_umin_2
137 %1 = atomicrmw umin i16* %val, i16 %uneg monotonic
138 store i16 %1, i16* %old
142 ; CHECK-T1: blx ___sync_fetch_and_umax_2
143 %2 = atomicrmw umax i16* %val, i16 1 monotonic
144 store i16 %2, i16* %old
148 ; CHECK-T1: blx ___sync_fetch_and_umax_2
149 %3 = atomicrmw umax i16* %val, i16 0 monotonic
150 store i16 %3, i16* %old
154 define void @func3() nounwind {
158 store i8 31, i8* %val
162 ; CHECK-T1: blx ___sync_fetch_and_umin_1
163 %0 = atomicrmw umin i8* %val, i8 16 monotonic
164 store i8 %0, i8* %old
168 ; CHECK-T1: blx ___sync_fetch_and_umin_1
170 %1 = atomicrmw umin i8* %val, i8 %uneg monotonic
171 store i8 %1, i8* %old
175 ; CHECK-T1: blx ___sync_fetch_and_umax_1
176 %2 = atomicrmw umax i8* %val, i8 1 monotonic
177 store i8 %2, i8* %old
181 ; CHECK-T1: blx ___sync_fetch_and_umax_1
182 %3 = atomicrmw umax i8* %val, i8 0 monotonic
183 store i8 %3, i8* %old
188 ; This function should not need to use callee-saved registers.
189 ; rdar://problem/12203728
191 define i32 @func4(i32* %p) nounwind optsize ssp {
193 %0 = atomicrmw add i32* %p, i32 1 monotonic