| # RUN: not llc -march=x86-64 -run-pass none -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 |
| tracksRegLiveness: true |
| registers: |
| - { id: 0, class: gr32 } |
| - { id: 1, class: gr8 } |
| - { id: 2, class: gr8 } |
| body: | |
| bb.0.entry: |
| %0 = COPY $edi |
| ; CHECK: [[@LINE+1]]:18: use of unknown subregister index 'bit8' |
| %1 = COPY %0.bit8 |
| %2 = AND8ri %1, 1, implicit-def $eflags |
| $al = COPY %2 |
| RETQ $al |
| ... |
