| Akira Hatanaka | 10bdb2b | 2015-07-10 18:44:40 +0000 | [diff] [blame^] | 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 | |
| 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 | } |