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comparison test/CodeGen/SystemZ/xor-06.ll @ 0:95c75e76d11b LLVM3.4

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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 that we can use XI for byte operations that are expressed as i32
2 ; or i64 operations.
3 ;
4 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
5
6 ; Zero extension to 32 bits, negative constant.
7 define void @f1(i8 *%ptr) {
8 ; CHECK-LABEL: f1:
9 ; CHECK: xi 0(%r2), 254
10 ; CHECK: br %r14
11 %val = load i8 *%ptr
12 %ext = zext i8 %val to i32
13 %xor = xor i32 %ext, -2
14 %trunc = trunc i32 %xor to i8
15 store i8 %trunc, i8 *%ptr
16 ret void
17 }
18
19 ; Zero extension to 64 bits, negative constant.
20 define void @f2(i8 *%ptr) {
21 ; CHECK-LABEL: f2:
22 ; CHECK: xi 0(%r2), 254
23 ; CHECK: br %r14
24 %val = load i8 *%ptr
25 %ext = zext i8 %val to i64
26 %xor = xor i64 %ext, -2
27 %trunc = trunc i64 %xor to i8
28 store i8 %trunc, i8 *%ptr
29 ret void
30 }
31
32 ; Zero extension to 32 bits, positive constant.
33 define void @f3(i8 *%ptr) {
34 ; CHECK-LABEL: f3:
35 ; CHECK: xi 0(%r2), 254
36 ; CHECK: br %r14
37 %val = load i8 *%ptr
38 %ext = zext i8 %val to i32
39 %xor = xor i32 %ext, 254
40 %trunc = trunc i32 %xor to i8
41 store i8 %trunc, i8 *%ptr
42 ret void
43 }
44
45 ; Zero extension to 64 bits, positive constant.
46 define void @f4(i8 *%ptr) {
47 ; CHECK-LABEL: f4:
48 ; CHECK: xi 0(%r2), 254
49 ; CHECK: br %r14
50 %val = load i8 *%ptr
51 %ext = zext i8 %val to i64
52 %xor = xor i64 %ext, 254
53 %trunc = trunc i64 %xor to i8
54 store i8 %trunc, i8 *%ptr
55 ret void
56 }
57
58 ; Sign extension to 32 bits, negative constant.
59 define void @f5(i8 *%ptr) {
60 ; CHECK-LABEL: f5:
61 ; CHECK: xi 0(%r2), 254
62 ; CHECK: br %r14
63 %val = load i8 *%ptr
64 %ext = sext i8 %val to i32
65 %xor = xor i32 %ext, -2
66 %trunc = trunc i32 %xor to i8
67 store i8 %trunc, i8 *%ptr
68 ret void
69 }
70
71 ; Sign extension to 64 bits, negative constant.
72 define void @f6(i8 *%ptr) {
73 ; CHECK-LABEL: f6:
74 ; CHECK: xi 0(%r2), 254
75 ; CHECK: br %r14
76 %val = load i8 *%ptr
77 %ext = sext i8 %val to i64
78 %xor = xor i64 %ext, -2
79 %trunc = trunc i64 %xor to i8
80 store i8 %trunc, i8 *%ptr
81 ret void
82 }
83
84 ; Sign extension to 32 bits, positive constant.
85 define void @f7(i8 *%ptr) {
86 ; CHECK-LABEL: f7:
87 ; CHECK: xi 0(%r2), 254
88 ; CHECK: br %r14
89 %val = load i8 *%ptr
90 %ext = sext i8 %val to i32
91 %xor = xor i32 %ext, 254
92 %trunc = trunc i32 %xor to i8
93 store i8 %trunc, i8 *%ptr
94 ret void
95 }
96
97 ; Sign extension to 64 bits, positive constant.
98 define void @f8(i8 *%ptr) {
99 ; CHECK-LABEL: f8:
100 ; CHECK: xi 0(%r2), 254
101 ; CHECK: br %r14
102 %val = load i8 *%ptr
103 %ext = sext i8 %val to i64
104 %xor = xor i64 %ext, 254
105 %trunc = trunc i64 %xor to i8
106 store i8 %trunc, i8 *%ptr
107 ret void
108 }