File: undef-should-only-be-set-on-subreg-defs.mir

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,634,792 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (16 lines) | stat: -rw-r--r-- 557 bytes parent folder | download | duplicates (9) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
 
# REQUIRES: amdgpu-registered-target
# RUN: not --crash llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -run-pass=none -o /dev/null %s 2>&1 | FileCheck %s

---
name: undef_reg_def
tracksRegLiveness: true
body:             |
  bb.0:
    ; CHECK: *** Bad machine code: Undef virtual register def operands require a subregister ***
    undef %0:sreg_64 = S_MOV_B64 0

    ; CHECK: *** Bad machine code: Undef virtual register def operands require a subregister ***
    S_NOP 0, implicit-def undef %1:sreg_64
    S_ENDPGM 0, implicit %0.sub0, implicit %0.sub1

...