1 // Verify that we do check for constraints in device-side inline 2 // assembly. Passing an illegal input/output constraint and look 3 // for corresponding error 4 // RUN: %clang_cc1 -triple nvptx-unknown-cuda -fsyntax-only -fcuda-is-device -verify %s 5 6 __attribute__((device)) void df() { 7 short h; 8 int a; 9 // asm with PTX constraints. Some of them are PTX-specific. 10 __asm__("output constraints" 11 : "=h"(h), // .u16 reg, OK 12 "=a"(a) // expected-error {{invalid output constraint '=a' in asm}} 13 : // None 14 ); 15 __asm__("input constraints" 16 : // None 17 : "f"(0.0), // .f32 reg, OK 18 "d"(0.0), // .f64 reg, OK 19 "h"(0), // .u16 reg, OK 20 "r"(0), // .u32 reg, OK 21 "l"(0), // .u64 reg, OK 22 "a"(0) // expected-error {{invalid input constraint 'a' in asm}} 23 ); 24 } 25
