File: alloc-all-regs-reserved-in-class.mir

package info (click to toggle)
llvm-toolchain-snapshot 1%3A22~%2B%2B20250731080150%2Bbe449d6b6587-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,250,472 kB
  • sloc: cpp: 7,641,756; ansic: 1,439,220; asm: 1,072,591; python: 253,178; f90: 95,173; objc: 70,722; lisp: 44,365; pascal: 18,720; sh: 10,051; ml: 5,111; perl: 4,720; awk: 3,523; makefile: 3,397; javascript: 2,272; xml: 892; fortran: 783
file content (16 lines) | stat: -rw-r--r-- 582 bytes parent folder | download | duplicates (7) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
 
# RUN: not llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -run-pass=greedy -verify-machineinstrs -filetype=null %s 2>&1 | FileCheck --implicit-check-not=error %s

# Check that there isn't an assert if we try to allocate a virtual register from
# a class where all registers are reserved. All AGPRs are reserved on subtargets
# that do not have them.

# CHECK: error: <unknown>:0:0: no registers from class available to allocate in function 'use_agpr'

---
name: use_agpr
tracksRegLiveness: true
body:             |
  bb.0:
    %0:agpr_32 = IMPLICIT_DEF
    S_ENDPGM 0, implicit %0
...