| # 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 |
| |
| ... |
