Mercurial > hg > Members > tobaru > cbc > CbC_llvm

comparison test/CodeGen/SystemZ/int-const-03.ll @ 0:95c75e76d11b

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
LLVM 3.4
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 13:56:28 +0900
parents
children afa8332a0e37
comparison
equal deleted inserted replaced
-1:000000000000 0:95c75e76d11b
1 ; Test moves of integers to byte memory locations.
2 ;
3 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
4
5 ; Check the low end of the unsigned range.
6 define void @f1(i8 *%ptr) {
7 ; CHECK-LABEL: f1:
8 ; CHECK: mvi 0(%r2), 0
9 ; CHECK: br %r14
10 store i8 0, i8 *%ptr
11 ret void
12 }
13
14 ; Check the high end of the signed range.
15 define void @f2(i8 *%ptr) {
16 ; CHECK-LABEL: f2:
17 ; CHECK: mvi 0(%r2), 127
18 ; CHECK: br %r14
19 store i8 127, i8 *%ptr
20 ret void
21 }
22
23 ; Check the next value up.
24 define void @f3(i8 *%ptr) {
25 ; CHECK-LABEL: f3:
26 ; CHECK: mvi 0(%r2), 128
27 ; CHECK: br %r14
28 store i8 -128, i8 *%ptr
29 ret void
30 }
31
32 ; Check the high end of the unsigned range.
33 define void @f4(i8 *%ptr) {
34 ; CHECK-LABEL: f4:
35 ; CHECK: mvi 0(%r2), 255
36 ; CHECK: br %r14
37 store i8 255, i8 *%ptr
38 ret void
39 }
40
41 ; Check -1.
42 define void @f5(i8 *%ptr) {
43 ; CHECK-LABEL: f5:
44 ; CHECK: mvi 0(%r2), 255
45 ; CHECK: br %r14
46 store i8 -1, i8 *%ptr
47 ret void
48 }
49
50 ; Check the low end of the signed range.
51 define void @f6(i8 *%ptr) {
52 ; CHECK-LABEL: f6:
53 ; CHECK: mvi 0(%r2), 128
54 ; CHECK: br %r14
55 store i8 -128, i8 *%ptr
56 ret void
57 }
58
59 ; Check the next value down.
60 define void @f7(i8 *%ptr) {
61 ; CHECK-LABEL: f7:
62 ; CHECK: mvi 0(%r2), 127
63 ; CHECK: br %r14
64 store i8 -129, i8 *%ptr
65 ret void
66 }
67
68 ; Check the high end of the MVI range.
69 define void @f8(i8 *%src) {
70 ; CHECK-LABEL: f8:
71 ; CHECK: mvi 4095(%r2), 42
72 ; CHECK: br %r14
73 %ptr = getelementptr i8 *%src, i64 4095
74 store i8 42, i8 *%ptr
75 ret void
76 }
77
78 ; Check the next byte up, which should use MVIY instead of MVI.
79 define void @f9(i8 *%src) {
80 ; CHECK-LABEL: f9:
81 ; CHECK: mviy 4096(%r2), 42
82 ; CHECK: br %r14
83 %ptr = getelementptr i8 *%src, i64 4096
84 store i8 42, i8 *%ptr
85 ret void
86 }
87
88 ; Check the high end of the MVIY range.
89 define void @f10(i8 *%src) {
90 ; CHECK-LABEL: f10:
91 ; CHECK: mviy 524287(%r2), 42
92 ; CHECK: br %r14
93 %ptr = getelementptr i8 *%src, i64 524287
94 store i8 42, i8 *%ptr
95 ret void
96 }
97
98 ; Check the next byte up, which needs separate address logic.
99 ; Other sequences besides this one would be OK.
100 define void @f11(i8 *%src) {
101 ; CHECK-LABEL: f11:
102 ; CHECK: agfi %r2, 524288
103 ; CHECK: mvi 0(%r2), 42
104 ; CHECK: br %r14
105 %ptr = getelementptr i8 *%src, i64 524288
106 store i8 42, i8 *%ptr
107 ret void
108 }
109
110 ; Check the high end of the negative MVIY range.
111 define void @f12(i8 *%src) {
112 ; CHECK-LABEL: f12:
113 ; CHECK: mviy -1(%r2), 42
114 ; CHECK: br %r14
115 %ptr = getelementptr i8 *%src, i64 -1
116 store i8 42, i8 *%ptr
117 ret void
118 }
119
120 ; Check the low end of the MVIY range.
121 define void @f13(i8 *%src) {
122 ; CHECK-LABEL: f13:
123 ; CHECK: mviy -524288(%r2), 42
124 ; CHECK: br %r14
125 %ptr = getelementptr i8 *%src, i64 -524288
126 store i8 42, i8 *%ptr
127 ret void
128 }
129
130 ; Check the next byte down, which needs separate address logic.
131 ; Other sequences besides this one would be OK.
132 define void @f14(i8 *%src) {
133 ; CHECK-LABEL: f14:
134 ; CHECK: agfi %r2, -524289
135 ; CHECK: mvi 0(%r2), 42
136 ; CHECK: br %r14
137 %ptr = getelementptr i8 *%src, i64 -524289
138 store i8 42, i8 *%ptr
139 ret void
140 }
141
142 ; Check that MVI does not allow an index. We prefer STC in that case.
143 define void @f15(i64 %src, i64 %index) {
144 ; CHECK-LABEL: f15:
145 ; CHECK: lhi [[TMP:%r[0-5]]], 42
146 ; CHECK: stc [[TMP]], 4095({{%r2,%r3|%r3,%r2}}
147 ; CHECK: br %r14
148 %add1 = add i64 %src, %index
149 %add2 = add i64 %add1, 4095
150 %ptr = inttoptr i64 %add2 to i8 *
151 store i8 42, i8 *%ptr
152 ret void
153 }
154
155 ; Check that MVIY does not allow an index. We prefer STCY in that case.
156 define void @f16(i64 %src, i64 %index) {
157 ; CHECK-LABEL: f16:
158 ; CHECK: lhi [[TMP:%r[0-5]]], 42
159 ; CHECK: stcy [[TMP]], 4096({{%r2,%r3|%r3,%r2}}
160 ; CHECK: br %r14
161 %add1 = add i64 %src, %index
162 %add2 = add i64 %add1, 4096
163 %ptr = inttoptr i64 %add2 to i8 *
164 store i8 42, i8 *%ptr
165 ret void
166 }