| # 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: | |
| ; CHECK: [[@LINE+1]]:35: unknown subregister index 'bit8' | |
| %0 = INSERT_SUBREG $edi, $al, %subreg.bit8 | |
| RETQ %0 | |
| ... |