| Tim Northover | a2ee433 | 2014-03-29 15:09:45 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -triple arm64-apple-ios7.1 -fsyntax-only -verify %s |
| James Molloy | 8bdd24b | 2014-04-23 10:26:19 +0000 | [diff] [blame] | 2 | |
| Tim Northover | a2ee433 | 2014-03-29 15:09:45 +0000 | [diff] [blame] | 3 | void foo() { |
| 4 | asm volatile("USE(%0)" :: "z"(0LL)); |
| 5 | asm volatile("USE(%x0)" :: "z"(0LL)); |
| 6 | asm volatile("USE(%w0)" :: "z"(0)); |
| 7 | |
| Akira Hatanaka | 987f186 | 2014-08-22 06:05:21 +0000 | [diff] [blame] | 8 | asm volatile("USE(%0)" :: "z"(0)); // expected-warning {{value size does not match register size specified by the constraint and modifier}} expected-note {{use constraint modifier "w"}} |
| Tim Northover | a2ee433 | 2014-03-29 15:09:45 +0000 | [diff] [blame] | 9 | } |
| Mikhail Maltsev | 89f7b46 | 2018-04-30 09:11:08 +0000 | [diff] [blame] | 10 | |
| 11 | void test_clobber_conflict(void) { |
| 12 | register long x asm("x1"); |
| 13 | asm volatile("nop" :: "r"(x) : "%x1"); // expected-error {{conflicts with asm clobber list}} |
| 14 | asm volatile("nop" : "=r"(x) :: "%x1"); // expected-error {{conflicts with asm clobber list}} |
| 15 | } |