| 1 | // REQUIRES: x86-registered-target |
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| 2 | // REQUIRES: nvptx-registered-target |
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| 3 | // RUN: %clang_cc1 -triple nvptx-unknown-cuda -fsyntax-only -fcuda-is-device -verify %s |
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| 4 | // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fsyntax-only -verify %s |
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| 5 | |
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| 6 | __attribute__((device)) register long global_dev_reg asm("r0"); |
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| 7 | __attribute__((device)) register long |
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| 8 | global_dev_hreg asm("rsp"); // device-side error |
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| 9 | |
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| 10 | register long global_host_reg asm("rsp"); |
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| 11 | register long global_host_dreg asm("r0"); // host-side error |
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| 12 | |
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| 13 | __attribute__((device)) void df() { |
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| 14 | register long local_dev_reg asm("r0"); |
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| 15 | register long local_host_reg asm("rsp"); // device-side error |
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| 16 | short h; |
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| 17 | // asm with PTX constraints. Some of them are PTX-specific. |
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| 18 | __asm__("dont care" : "=h"(h) : "f"(0.0), "d"(0.0), "h"(0), "r"(0), "l"(0)); |
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| 19 | } |
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| 20 | |
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| 21 | void hf() { |
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| 22 | register long local_dev_reg asm("r0"); // host-side error |
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| 23 | register long local_host_reg asm("rsp"); |
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| 24 | int a; |
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| 25 | // Asm with x86 constraints and registers that are not supported by PTX. |
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| 26 | __asm__("dont care" : "=a"(a) : "a"(0), "b"(0), "c"(0) : "flags"); |
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| 27 | } |
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| 28 | |
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| 29 | // Check errors in named register variables. |
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| 30 | // We should only see errors relevant to current compilation mode. |
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| 31 | #if defined(__CUDA_ARCH__) |
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| 32 | // Device-side compilation: |
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| 33 | // expected-error@8 {{unknown register name 'rsp' in asm}} |
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| 34 | // expected-error@15 {{unknown register name 'rsp' in asm}} |
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| 35 | #else |
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| 36 | // Host-side compilation: |
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| 37 | // expected-error@11 {{unknown register name 'r0' in asm}} |
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| 38 | // expected-error@22 {{unknown register name 'r0' in asm}} |
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| 39 | #endif |
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| 40 | |
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