File: aarch64-sve-inline-asm-crash.c

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (36 lines) | stat: -rw-r--r-- 910 bytes parent folder | download | duplicates (10)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
// REQUIRES: aarch64-registered-target

// RUN: not %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve \
// 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 ;
}

__SVCount_t funcB1(__SVCount_t in)
{
  __SVCount_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