| # RUN: not --crash llc -mtriple=amdgcn-amd-amdhsa -verify-machineinstrs -o /dev/null %s 2>&1 | FileCheck -check-prefix=ERROR %s |
| # REQUIRES: amdgpu-registered-target |
| |
| # When the verifier was detecting the invalid liveness for vcc, it would assert when trying to iterate the subregisters of the implicit virtual register use. |
| |
| |
| # ERROR: *** Bad machine code: Using an undefined physical register *** |
| # ERROR: instruction: S_ENDPGM 0, implicit %0:vgpr_32, implicit $vcc |
| # ERROR: operand 2: implicit $vcc |
| |
| ... |
| |
| name: invalid_implicit_physreg_use_with_implicit_virtreg |
| tracksRegLiveness: true |
| |
| body: | |
| bb.0: |
| %0:vgpr_32 = IMPLICIT_DEF |
| S_ENDPGM 0, implicit %0, implicit $vcc |
| |
| ... |
| |
