1 // Tests that host and target builtins can be used in the same TU, 2 // have appropriate host/device attributes and that CUDA call 3 // restrictions are enforced. Also verify that non-target builtins can 4 // be used from both host and device functions. 5 // 6 // REQUIRES: x86-registered-target 7 // REQUIRES: nvptx-registered-target 8 // RUN: %clang_cc1 -triple x86_64-unknown-unknown \ 9 // RUN: -aux-triple nvptx64-unknown-cuda \ 10 // RUN: -fsyntax-only -verify %s 11 // RUN: %clang_cc1 -triple nvptx64-unknown-cuda -fcuda-is-device \ 12 // RUN: -aux-triple x86_64-unknown-unknown \ 13 // RUN: -fsyntax-only -verify %s 14 15 #if !(defined(__amd64__) && defined(__PTX__)) 16 #error "Expected to see preprocessor macros from both sides of compilation." 17 #endif 18 19 void hf() { 20 int x = __builtin_ia32_rdtsc(); 21 int y = __nvvm_read_ptx_sreg_tid_x(); // expected-note {{'__nvvm_read_ptx_sreg_tid_x' declared here}} 22 // expected-error@-1 {{reference to __device__ function '__nvvm_read_ptx_sreg_tid_x' in __host__ function}} 23 x = __builtin_abs(1); 24 } 25 26 __attribute__((device)) void df() { 27 int x = __nvvm_read_ptx_sreg_tid_x(); 28 int y = __builtin_ia32_rdtsc(); // expected-error {{reference to __host__ function '__builtin_ia32_rdtsc' in __device__ function}} 29 // expected-note@20 {{'__builtin_ia32_rdtsc' declared here}} 30 x = __builtin_abs(1); 31 } 32