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
85
86
87
88
89
90
91
|
; RUN: llc < %s -march=xcore | FileCheck %s
; CHECK-LABEL: atomic_fence
; CHECK: #MEMBARRIER
; CHECK: #MEMBARRIER
; CHECK: #MEMBARRIER
; CHECK: #MEMBARRIER
; CHECK: retsp 0
define void @atomic_fence() nounwind {
entry:
fence acquire
fence release
fence acq_rel
fence seq_cst
ret void
}
@pool = external global i64
define void @atomicloadstore() nounwind {
entry:
; CHECK-LABEL: atomicloadstore
; CHECK: ldw r[[R0:[0-9]+]], dp[pool]
; CHECK-NEXT: ldaw r[[R1:[0-9]+]], dp[pool]
; CHECK-NEXT: #MEMBARRIER
; CHECK-NEXT: ldc r[[R2:[0-9]+]], 0
%0 = load atomic i32* bitcast (i64* @pool to i32*) acquire, align 4
; CHECK-NEXT: ld16s r3, r[[R1]][r[[R2]]]
; CHECK-NEXT: #MEMBARRIER
%1 = load atomic i16* bitcast (i64* @pool to i16*) acquire, align 2
; CHECK-NEXT: ld8u r11, r[[R1]][r[[R2]]]
; CHECK-NEXT: #MEMBARRIER
%2 = load atomic i8* bitcast (i64* @pool to i8*) acquire, align 1
; CHECK-NEXT: ldw r4, dp[pool]
; CHECK-NEXT: #MEMBARRIER
%3 = load atomic i32* bitcast (i64* @pool to i32*) seq_cst, align 4
; CHECK-NEXT: ld16s r5, r[[R1]][r[[R2]]]
; CHECK-NEXT: #MEMBARRIER
%4 = load atomic i16* bitcast (i64* @pool to i16*) seq_cst, align 2
; CHECK-NEXT: ld8u r6, r[[R1]][r[[R2]]]
; CHECK-NEXT: #MEMBARRIER
%5 = load atomic i8* bitcast (i64* @pool to i8*) seq_cst, align 1
; CHECK-NEXT: #MEMBARRIER
; CHECK-NEXT: stw r[[R0]], dp[pool]
store atomic i32 %0, i32* bitcast (i64* @pool to i32*) release, align 4
; CHECK-NEXT: #MEMBARRIER
; CHECK-NEXT: st16 r3, r[[R1]][r[[R2]]]
store atomic i16 %1, i16* bitcast (i64* @pool to i16*) release, align 2
; CHECK-NEXT: #MEMBARRIER
; CHECK-NEXT: st8 r11, r[[R1]][r[[R2]]]
store atomic i8 %2, i8* bitcast (i64* @pool to i8*) release, align 1
; CHECK-NEXT: #MEMBARRIER
; CHECK-NEXT: stw r4, dp[pool]
; CHECK-NEXT: #MEMBARRIER
store atomic i32 %3, i32* bitcast (i64* @pool to i32*) seq_cst, align 4
; CHECK-NEXT: #MEMBARRIER
; CHECK-NEXT: st16 r5, r[[R1]][r[[R2]]]
; CHECK-NEXT: #MEMBARRIER
store atomic i16 %4, i16* bitcast (i64* @pool to i16*) seq_cst, align 2
; CHECK-NEXT: #MEMBARRIER
; CHECK-NEXT: st8 r6, r[[R1]][r[[R2]]]
; CHECK-NEXT: #MEMBARRIER
store atomic i8 %5, i8* bitcast (i64* @pool to i8*) seq_cst, align 1
; CHECK-NEXT: ldw r[[R0]], dp[pool]
; CHECK-NEXT: stw r[[R0]], dp[pool]
; CHECK-NEXT: ld16s r[[R0]], r[[R1]][r[[R2]]]
; CHECK-NEXT: st16 r[[R0]], r[[R1]][r[[R2]]]
; CHECK-NEXT: ld8u r[[R0]], r[[R1]][r[[R2]]]
; CHECK-NEXT: st8 r[[R0]], r[[R1]][r[[R2]]]
%6 = load atomic i32* bitcast (i64* @pool to i32*) monotonic, align 4
store atomic i32 %6, i32* bitcast (i64* @pool to i32*) monotonic, align 4
%7 = load atomic i16* bitcast (i64* @pool to i16*) monotonic, align 2
store atomic i16 %7, i16* bitcast (i64* @pool to i16*) monotonic, align 2
%8 = load atomic i8* bitcast (i64* @pool to i8*) monotonic, align 1
store atomic i8 %8, i8* bitcast (i64* @pool to i8*) monotonic, align 1
ret void
}
|
