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comparison test/CodeGen/SystemZ/unaligned-01.ll @ 95:afa8332a0e37

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LLVM 3.8
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Tue, 13 Oct 2015 17:48:58 +0900
parents 95c75e76d11b
children 803732b1fca8
comparison
equal deleted inserted replaced
84:f3e34b893a5f 95:afa8332a0e37
10 define void @f1(i8 *%ptr) { 10 define void @f1(i8 *%ptr) {
11 ; CHECK: f1 11 ; CHECK: f1
12 ; CHECK: iilf [[REG:%r[0-5]]], 66051 12 ; CHECK: iilf [[REG:%r[0-5]]], 66051
13 ; CHECK: st [[REG]], 0(%r2) 13 ; CHECK: st [[REG]], 0(%r2)
14 ; CHECK: br %r14 14 ; CHECK: br %r14
15 %off1 = getelementptr i8 *%ptr, i64 1 15 %off1 = getelementptr i8, i8 *%ptr, i64 1
16 %off2 = getelementptr i8 *%ptr, i64 2 16 %off2 = getelementptr i8, i8 *%ptr, i64 2
17 %off3 = getelementptr i8 *%ptr, i64 3 17 %off3 = getelementptr i8, i8 *%ptr, i64 3
18 store i8 0, i8 *%ptr 18 store i8 0, i8 *%ptr
19 store i8 1, i8 *%off1 19 store i8 1, i8 *%off1
20 store i8 2, i8 *%off2 20 store i8 2, i8 *%off2
21 store i8 3, i8 *%off3 21 store i8 3, i8 *%off3
22 ret void 22 ret void
26 define i16 @f2(i16 *%src, i16 *%dst) { 26 define i16 @f2(i16 *%src, i16 *%dst) {
27 ; CHECK-LABEL: f2: 27 ; CHECK-LABEL: f2:
28 ; CHECK: lh %r2, 0(%r2) 28 ; CHECK: lh %r2, 0(%r2)
29 ; CHECK: sth %r2, 0(%r3) 29 ; CHECK: sth %r2, 0(%r3)
30 ; CHECK: br %r14 30 ; CHECK: br %r14
31 %val = load i16 *%src, align 1 31 %val = load i16 , i16 *%src, align 1
32 store i16 %val, i16 *%dst, align 1 32 store i16 %val, i16 *%dst, align 1
33 ret i16 %val 33 ret i16 %val
34 } 34 }
35 35
36 ; Check that unaligned 4-byte accesses are allowed. 36 ; Check that unaligned 4-byte accesses are allowed.
38 ; CHECK-LABEL: f3: 38 ; CHECK-LABEL: f3:
39 ; CHECK: l %r2, 0(%r2) 39 ; CHECK: l %r2, 0(%r2)
40 ; CHECK: s %r2, 0(%r3) 40 ; CHECK: s %r2, 0(%r3)
41 ; CHECK: st %r2, 0(%r4) 41 ; CHECK: st %r2, 0(%r4)
42 ; CHECK: br %r14 42 ; CHECK: br %r14
43 %val1 = load i32 *%src1, align 1 43 %val1 = load i32 , i32 *%src1, align 1
44 %val2 = load i32 *%src2, align 2 44 %val2 = load i32 , i32 *%src2, align 2
45 %sub = sub i32 %val1, %val2 45 %sub = sub i32 %val1, %val2
46 store i32 %sub, i32 *%dst, align 1 46 store i32 %sub, i32 *%dst, align 1
47 ret i32 %sub 47 ret i32 %sub
48 } 48 }
49 49
52 ; CHECK-LABEL: f4: 52 ; CHECK-LABEL: f4:
53 ; CHECK: lg %r2, 0(%r2) 53 ; CHECK: lg %r2, 0(%r2)
54 ; CHECK: sg %r2, 0(%r3) 54 ; CHECK: sg %r2, 0(%r3)
55 ; CHECK: stg %r2, 0(%r4) 55 ; CHECK: stg %r2, 0(%r4)
56 ; CHECK: br %r14 56 ; CHECK: br %r14
57 %val1 = load i64 *%src1, align 1 57 %val1 = load i64 , i64 *%src1, align 1
58 %val2 = load i64 *%src2, align 2 58 %val2 = load i64 , i64 *%src2, align 2
59 %sub = sub i64 %val1, %val2 59 %sub = sub i64 %val1, %val2
60 store i64 %sub, i64 *%dst, align 4 60 store i64 %sub, i64 *%dst, align 4
61 ret i64 %sub 61 ret i64 %sub
62 } 62 }