40 lines
1.5 KiB
Plaintext
40 lines
1.5 KiB
Plaintext
// REQUIRES: x86-registered-target
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// REQUIRES: nvptx-registered-target
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// RUN: %clang_cc1 -triple nvptx-unknown-cuda -fsyntax-only -fcuda-is-device -verify %s
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// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fsyntax-only -verify %s
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__attribute__((device)) register long global_dev_reg asm("r0");
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__attribute__((device)) register long
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global_dev_hreg asm("rsp"); // device-side error
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register long global_host_reg asm("rsp");
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register long global_host_dreg asm("r0"); // host-side error
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__attribute__((device)) void df() {
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register long local_dev_reg asm("r0");
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register long local_host_reg asm("rsp"); // device-side error
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short h;
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// asm with PTX constraints. Some of them are PTX-specific.
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__asm__("dont care" : "=h"(h) : "f"(0.0), "d"(0.0), "h"(0), "r"(0), "l"(0));
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}
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void hf() {
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register long local_dev_reg asm("r0"); // host-side error
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register long local_host_reg asm("rsp");
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int a;
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// Asm with x86 constraints and registers that are not supported by PTX.
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__asm__("dont care" : "=a"(a) : "a"(0), "b"(0), "c"(0) : "flags");
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}
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// Check errors in named register variables.
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// We should only see errors relevant to current compilation mode.
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#if defined(__CUDA_ARCH__)
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// Device-side compilation:
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// expected-error@8 {{unknown register name 'rsp' in asm}}
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// expected-error@15 {{unknown register name 'rsp' in asm}}
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#else
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// Host-side compilation:
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// expected-error@11 {{unknown register name 'r0' in asm}}
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// expected-error@22 {{unknown register name 'r0' in asm}}
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#endif
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