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gerrit-public.fairphone.software / toolchain / llvm-project / 81fe1fbf4abd00b24e078a80cb15a2d2c1343f11 / . / llvm / test / CodeGen / SystemZ / atomicrmw-or-03.ll
blob: 9a0aa86feb5df0870bf2c4410d5d12c3c684b3a2 [file] [log] [blame]
Ulrich Weigand9e3577f2013-05-06 16:17:29 +0000[diff] [blame]1; Test 32-bit atomic ORs.
2;
Richard Sandiford0175b4a2013-07-19 16:21:55 +0000[diff] [blame]3; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s
Ulrich Weigand9e3577f2013-05-06 16:17:29 +0000[diff] [blame]4
5; Check ORs of a variable.
6define i32 @f1(i32 %dummy, i32 *%src, i32 %b) {
Stephen Lind24ab202013-07-14 06:24:09 +0000[diff] [blame]7; CHECK-LABEL: f1:
Ulrich Weigand9e3577f2013-05-06 16:17:29 +0000[diff] [blame]8; CHECK: l %r2, 0(%r3)
9; CHECK: [[LABEL:\.[^ ]*]]:
10; CHECK: lr %r0, %r2
11; CHECK: or %r0, %r4
12; CHECK: cs %r2, %r0, 0(%r3)
Richard Sandiford3d768e32013-07-31 12:30:20 +0000[diff] [blame]13; CHECK: jl [[LABEL]]
Ulrich Weigand9e3577f2013-05-06 16:17:29 +0000[diff] [blame]14; CHECK: br %r14
15 %res = atomicrmw or i32 *%src, i32 %b seq_cst
16 ret i32 %res
17}
18
19; Check the lowest useful OILL value.
20define i32 @f2(i32 %dummy, i32 *%src) {
Stephen Lind24ab202013-07-14 06:24:09 +0000[diff] [blame]21; CHECK-LABEL: f2:
Ulrich Weigand9e3577f2013-05-06 16:17:29 +0000[diff] [blame]22; CHECK: l %r2, 0(%r3)
23; CHECK: [[LABEL:\.[^ ]*]]:
24; CHECK: lr %r0, %r2
25; CHECK: oill %r0, 1
26; CHECK: cs %r2, %r0, 0(%r3)
Richard Sandiford3d768e32013-07-31 12:30:20 +0000[diff] [blame]27; CHECK: jl [[LABEL]]
Ulrich Weigand9e3577f2013-05-06 16:17:29 +0000[diff] [blame]28; CHECK: br %r14
29 %res = atomicrmw or i32 *%src, i32 1 seq_cst
30 ret i32 %res
31}
32
33; Check the high end of the OILL range.
34define i32 @f3(i32 %dummy, i32 *%src) {
Stephen Lind24ab202013-07-14 06:24:09 +0000[diff] [blame]35; CHECK-LABEL: f3:
Ulrich Weigand9e3577f2013-05-06 16:17:29 +0000[diff] [blame]36; CHECK: oill %r0, 65535
37; CHECK: br %r14
38 %res = atomicrmw or i32 *%src, i32 65535 seq_cst
39 ret i32 %res
40}
41
42; Check the lowest useful OILH value, which is the next value up.
43define i32 @f4(i32 %dummy, i32 *%src) {
Stephen Lind24ab202013-07-14 06:24:09 +0000[diff] [blame]44; CHECK-LABEL: f4:
Ulrich Weigand9e3577f2013-05-06 16:17:29 +0000[diff] [blame]45; CHECK: oilh %r0, 1
46; CHECK: br %r14
47 %res = atomicrmw or i32 *%src, i32 65536 seq_cst
48 ret i32 %res
49}
50
51; Check the lowest useful OILF value, which is the next value up.
52define i32 @f5(i32 %dummy, i32 *%src) {
Stephen Lind24ab202013-07-14 06:24:09 +0000[diff] [blame]53; CHECK-LABEL: f5:
Ulrich Weigand9e3577f2013-05-06 16:17:29 +0000[diff] [blame]54; CHECK: oilf %r0, 65537
55; CHECK: br %r14
56 %res = atomicrmw or i32 *%src, i32 65537 seq_cst
57 ret i32 %res
58}
59
60; Check the high end of the OILH range.
61define i32 @f6(i32 %dummy, i32 *%src) {
Stephen Lind24ab202013-07-14 06:24:09 +0000[diff] [blame]62; CHECK-LABEL: f6:
Ulrich Weigand9e3577f2013-05-06 16:17:29 +0000[diff] [blame]63; CHECK: oilh %r0, 65535
64; CHECK: br %r14
65 %res = atomicrmw or i32 *%src, i32 -65536 seq_cst
66 ret i32 %res
67}
68
69; Check the next value up, which must use OILF.
70define i32 @f7(i32 %dummy, i32 *%src) {
Stephen Lind24ab202013-07-14 06:24:09 +0000[diff] [blame]71; CHECK-LABEL: f7:
Ulrich Weigand9e3577f2013-05-06 16:17:29 +0000[diff] [blame]72; CHECK: oilf %r0, 4294901761
73; CHECK: br %r14
74 %res = atomicrmw or i32 *%src, i32 -65535 seq_cst
75 ret i32 %res
76}
77
78; Check the largest useful OILF value.
79define i32 @f8(i32 %dummy, i32 *%src) {
Stephen Lind24ab202013-07-14 06:24:09 +0000[diff] [blame]80; CHECK-LABEL: f8:
Ulrich Weigand9e3577f2013-05-06 16:17:29 +0000[diff] [blame]81; CHECK: oilf %r0, 4294967294
82; CHECK: br %r14
83 %res = atomicrmw or i32 *%src, i32 -2 seq_cst
84 ret i32 %res
85}