| # RUN: not llc -march=x86-64 -start-after machine-sink -stop-after machine-sink -o /dev/null %s 2>&1 | FileCheck %s |
| # This test ensures that an error is reported when an unknown subregister index |
| # is encountered. |
| |
| --- | |
| |
| define zeroext i1 @t(i1 %c) { |
| entry: |
| ret i1 %c |
| } |
| |
| ... |
| --- |
| name: t |
| isSSA: true |
| tracksRegLiveness: true |
| registers: |
| - { id: 0, class: gr32 } |
| - { id: 1, class: gr8 } |
| - { id: 2, class: gr8 } |
| body: |
| - name: entry |
| id: 0 |
| instructions: |
| - '%0 = COPY %edi' |
| # CHECK: [[@LINE+1]]:23: use of unknown subregister index 'bit8' |
| - '%1 = COPY %0:bit8' |
| - '%2 = AND8ri %1, 1, implicit-def %eflags' |
| - '%al = COPY %2' |
| - 'RETQ %al' |
| ... |
