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llvm-mirror/test/MachineVerifier/verifier-implicit-virtreg-invalid-physreg-liveness.mir
Yuanfang Chen dd53274771 Revert "Revert "Reland "[Support] make report_fatal_error abort instead of exit"""
This reverts commit 80a34ae31125aa46dcad47162ba45b152aed968d with fixes.

Previously, since bots turning on EXPENSIVE_CHECKS are essentially turning on
MachineVerifierPass by default on X86 and the fact that
inline-asm-avx-v-constraint-32bit.ll and inline-asm-avx512vl-v-constraint-32bit.ll
are not expected to generate functioning machine code, this would go
down to `report_fatal_error` in MachineVerifierPass. Here passing
`-verify-machineinstrs=0` to make the intent explicit.
2020-02-13 10:16:06 -08:00

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# 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
...