xref: /llvm-project/llvm/test/tools/llvm-reduce/mir/undef-virt-reg.mir (revision 59328ab0ce4ba9c4018a636752a48c9363c2a98f)
1# REQUIRES: amdgpu-registered-target
2# RUN: llvm-reduce -abort-on-invalid-reduction --delta-passes=instructions -mtriple=amdgcn-amd-amdhsa --test FileCheck --test-arg --check-prefix=CHECK-INTERESTINGNESS --test-arg %s --test-arg --input-file %s -o %t 2> %t.log
3# RUN: FileCheck --match-full-lines --check-prefix=RESULT %s < %t
4
5# CHECK-INTERESTINGNESS: S_NOP 0
6
7# RESULT: S_ENDPGM 0, implicit undef %0:vgpr_32
8
9# Previously the the function clone would assert due to not preserving
10# virtual registers which had no defs.
11
12---
13name: undef_vreg_operand
14tracksRegLiveness: true
15body:             |
16  bb.0:
17    S_NOP 0
18    S_ENDPGM 0, implicit undef %0:vgpr_32
19
20...
21