clang/test/CodeGen/AArch64/sve-inline-asm-crash.c

   1 // REQUIRES: aarch64-registered-target
   2
   3 // RUN: not %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve \
   4 // RUN:   -target-feature +neon -S -O1 -o - %s 2>&1 | FileCheck %s
   5
   6 // Set a vector constraint for an sve predicate register
   7 // As the wrong constraint is used for an SVBool,
   8 // the compiler will try to extend the nxv16i1 to an nxv16i8
   9 // TODO: We don't have patterns for this yet but once they are added this test
  10 // should be updated to check for an assembler error
  11 __SVBool_t funcB1(__SVBool_t in)
  12 {
  13   __SVBool_t ret ;
  14   asm volatile (
  15     "mov %[ret].b, %[in].b \n"
  16     : [ret] "=w" (ret)
  17     : [in] "w" (in)
  18     :);
  19
  20   return ret ;
  21 }
  22
  23 __SVCount_t funcB1(__SVCount_t in)
  24 {
  25   __SVCount_t ret ;
  26   asm volatile (
  27     "mov %[ret].b, %[in].b \n"
  28     : [ret] "=w" (ret)
  29     : [in] "w" (in)
  30     :);
  31
  32   return ret ;
  33 }
  34
  35 // CHECK: funcB1
  36 // CHECK-ERROR: fatal error: error in backend: Cannot select