File: Atomics.ll

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (84 lines) | stat: -rw-r--r-- 2,780 bytes parent folder | download | duplicates (18)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
; RUN: llc < %s -march=hexagon

@si = common global i32 0, align 4
@sll = common global i64 0, align 8

define void @test_op_ignore() nounwind {
entry:
  %t00 = atomicrmw add i32* @si, i32 1 monotonic
  %t01 = atomicrmw add i64* @sll, i64 1 monotonic
  %t10 = atomicrmw sub i32* @si, i32 1 monotonic
  %t11 = atomicrmw sub i64* @sll, i64 1 monotonic
  %t20 = atomicrmw or i32* @si, i32 1 monotonic
  %t21 = atomicrmw or i64* @sll, i64 1 monotonic
  %t30 = atomicrmw xor i32* @si, i32 1 monotonic
  %t31 = atomicrmw xor i64* @sll, i64 1 monotonic
  %t40 = atomicrmw and i32* @si, i32 1 monotonic
  %t41 = atomicrmw and i64* @sll, i64 1 monotonic
  %t50 = atomicrmw nand i32* @si, i32 1 monotonic
  %t51 = atomicrmw nand i64* @sll, i64 1 monotonic
  br label %return

return:                                           ; preds = %entry
  ret void
}

define void @test_fetch_and_op() nounwind {
entry:
  %t00 = atomicrmw add i32* @si, i32 11 monotonic
  store i32 %t00, i32* @si, align 4
  %t01 = atomicrmw add i64* @sll, i64 11 monotonic
  store i64 %t01, i64* @sll, align 8
  %t10 = atomicrmw sub i32* @si, i32 11 monotonic
  store i32 %t10, i32* @si, align 4
  %t11 = atomicrmw sub i64* @sll, i64 11 monotonic
  store i64 %t11, i64* @sll, align 8
  %t20 = atomicrmw or i32* @si, i32 11 monotonic
  store i32 %t20, i32* @si, align 4
  %t21 = atomicrmw or i64* @sll, i64 11 monotonic
  store i64 %t21, i64* @sll, align 8
  %t30 = atomicrmw xor i32* @si, i32 11 monotonic
  store i32 %t30, i32* @si, align 4
  %t31 = atomicrmw xor i64* @sll, i64 11 monotonic
  store i64 %t31, i64* @sll, align 8
  %t40 = atomicrmw and i32* @si, i32 11 monotonic
  store i32 %t40, i32* @si, align 4
  %t41 = atomicrmw and i64* @sll, i64 11 monotonic
  store i64 %t41, i64* @sll, align 8
  %t50 = atomicrmw nand i32* @si, i32 11 monotonic
  store i32 %t50, i32* @si, align 4
  %t51 = atomicrmw nand i64* @sll, i64 11 monotonic
  store i64 %t51, i64* @sll, align 8
  br label %return

return:                                           ; preds = %entry
  ret void
}

define void @test_lock() nounwind {
entry:
  %t00 = atomicrmw xchg i32* @si, i32 1 monotonic
  store i32 %t00, i32* @si, align 4
  %t01 = atomicrmw xchg i64* @sll, i64 1 monotonic
  store i64 %t01, i64* @sll, align 8
  fence seq_cst
  store volatile i32 0, i32* @si, align 4
  store volatile i64 0, i64* @sll, align 8
  br label %return

return:                                           ; preds = %entry
  ret void
}


define i64 @fred() nounwind {
entry:
  %s0 = cmpxchg i32* undef, i32 undef, i32 undef seq_cst seq_cst
  %s1 = extractvalue { i32, i1 } %s0, 0
  %t0 = cmpxchg i64* undef, i64 undef, i64 undef seq_cst seq_cst
  %t1 = extractvalue { i64, i1 } %t0, 0
  %u0 = zext i32 %s1 to i64
  %u1 = add i64 %u0, %t1
  ret i64 %u1
}