| 1 | // RUN: %clang_cc1 -triple arm64-apple-ios7.1 -fsyntax-only -verify %s |
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| 2 | |
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| 3 | void foo() { |
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| 4 | asm volatile("USE(%0)" :: "z"(0LL)); |
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| 5 | asm volatile("USE(%x0)" :: "z"(0LL)); |
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| 6 | asm volatile("USE(%w0)" :: "z"(0)); |
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| 7 | |
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| 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"}} |
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| 9 | } |
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| 10 | |
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| 11 | void test_clobber_conflict(void) { |
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| 12 | register long x asm("x1"); |
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| 13 | asm volatile("nop" :: "r"(x) : "%x1"); // expected-error {{conflicts with asm clobber list}} |
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| 14 | asm volatile("nop" : "=r"(x) :: "%x1"); // expected-error {{conflicts with asm clobber list}} |
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| 15 | } |
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| 16 | |
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