1 // RUN: %clang_cc1 -triple armv7-apple-darwin -emit-llvm %s -o - | FileCheck %s
2
3 // CHECK: call i32 asm "foo0", {{.*}} [[READNONE:#[0-9]+]]
4 // CHECK: call i32 asm "foo1", {{.*}} [[READNONE]]
5 // CHECK: call i32 asm "foo2", {{.*}} [[NOATTRS:#[0-9]+]]
6 // CHECK: call i32 asm sideeffect "foo3", {{.*}} [[NOATTRS]]
7 // CHECK: call i32 asm "foo4", {{.*}} [[READONLY:#[0-9]+]]
8 // CHECK: call i32 asm "foo5", {{.*}} [[READONLY]]
9 // CHECK: call i32 asm "foo6", {{.*}} [[NOATTRS]]
10 // CHECK: call void asm sideeffect "foo7", {{.*}} [[NOATTRS]]
11 // CHECK: call void asm "foo8", {{.*}} [[NOATTRS]]
12
13 // CHECK: attributes [[READNONE]] = { nounwind readnone }
14 // CHECK: attributes [[NOATTRS]] = { nounwind }
15 // CHECK: attributes [[READONLY]] = { nounwind readonly }
16
17 int g0, g1;
18
19 struct S {
20 int i;
21 } g2;
22
test_attrs(int a)23 void test_attrs(int a) {
24 __asm__ ("foo0" : "=r"(g1) : "r"(a));
25 __asm__ ("foo1" : "=r"(g1) : "r"(a) : "cc");
26 __asm__ ("foo2" : "=r"(g1) : "r"(a) : "memory");
27 __asm__ volatile("foo3" : "=r"(g1) : "r"(a));
28 __asm__ ("foo4" : "=r"(g1) : "r"(a), "m"(g0));
29 __asm__ ("foo5" : "=r"(g1) : "r"(a), "Q"(g0));
30 __asm__ ("foo6" : "=r"(g1), "=m"(g0) : "r"(a));
31 __asm__ ("foo7" : : "r"(a));
32 __asm__ ("foo8" : "=r"(g2) : "r"(a));
33 }
34