| // REQUIRES: aarch64-registered-target |
| |
| // RUN: not %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns \ |
| // RUN: -target-feature +neon -S -O1 -o - %s 2>&1 | FileCheck %s |
| |
| // Set a vector constraint for an sve predicate register |
| // As the wrong constraint is used for an SVBool, |
| // the compiler will try to extend the nxv16i1 to an nxv16i8 |
| // TODO: We don't have patterns for this yet but once they are added this test |
| // should be updated to check for an assembler error |
| __SVBool_t funcB1(__SVBool_t in) |
| { |
| __SVBool_t ret ; |
| asm volatile ( |
| "mov %[ret].b, %[in].b \n" |
| : [ret] "=w" (ret) |
| : [in] "w" (in) |
| :); |
| |
| return ret ; |
| } |
| |
| // CHECK: funcB1 |
| // CHECK-ERROR: fatal error: error in backend: Cannot select |
