blob: d048db8a850d52bced2915e61010833e2afe9c54 (
plain)
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
|
; RUN: llc -march=x86-64 < %s | FileCheck %s
@sc8 = external global i8
define void @atomic_maxmin_i8() {
; CHECK: atomic_maxmin_i8
%1 = atomicrmw max i8* @sc8, i8 5 acquire
; CHECK: [[LABEL1:\.?LBB[0-9]+_[0-9]+]]:
; CHECK: cmpb
; CHECK: cmovl
; CHECK: lock
; CHECK-NEXT: cmpxchgb
; CHECK: jne [[LABEL1]]
%2 = atomicrmw min i8* @sc8, i8 6 acquire
; CHECK: [[LABEL3:\.?LBB[0-9]+_[0-9]+]]:
; CHECK: cmpb
; CHECK: cmovg
; CHECK: lock
; CHECK-NEXT: cmpxchgb
; CHECK: jne [[LABEL3]]
%3 = atomicrmw umax i8* @sc8, i8 7 acquire
; CHECK: [[LABEL5:\.?LBB[0-9]+_[0-9]+]]:
; CHECK: cmpb
; CHECK: cmovb
; CHECK: lock
; CHECK-NEXT: cmpxchgb
; CHECK: jne [[LABEL5]]
%4 = atomicrmw umin i8* @sc8, i8 8 acquire
; CHECK: [[LABEL7:\.?LBB[0-9]+_[0-9]+]]:
; CHECK: cmpb
; CHECK: cmova
; CHECK: lock
; CHECK-NEXT: cmpxchgb
; CHECK: jne [[LABEL7]]
ret void
}
|