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
|
// RUN: %ldc -O -output-ll -of=%t.ll %s && FileCheck %s < %t.ll
import core.atomic;
// CHECK: define {{.*}}_D7cmpxchg3fooFiZb
bool foo(int cmp)
{
static shared int g;
// CHECK-NOT: ret
// CHECK: [[FOO1:%[0-9]]] = cmpxchg ptr
// CHECK-NEXT: [[FOO2:%[0-9]]] = extractvalue { i32, i1 } [[FOO1]], 1
// CHECK-NEXT: ret i1 [[FOO2]]
return cas(&g, cmp, 456);
}
// CHECK: define {{.*}}_D7cmpxchg3barFdZd
double bar(double cmp)
{
static shared double g;
// CHECK-NOT: ret
// CHECK: [[BAR1:%[0-9]]] = bitcast double %cmp_arg to i64
// CHECK-NEXT: [[BAR2:%[0-9]]] = cmpxchg weak ptr
casWeak(&g, &cmp, 456.0);
// CHECK-NEXT: [[BAR3:%[0-9]]] = extractvalue { i64, i1 } [[BAR2]], 0
// CHECK-NEXT: [[BAR4:%[0-9]]] = bitcast i64 [[BAR3]] to double
// CHECK-NEXT: ret double [[BAR4]]
return cmp;
}
|
