| # RUN: llc -o - %s -mtriple=s390x-linux-gnu -mcpu=z15 -run-pass=systemz-post-rewrite \ | |
| # RUN: 2>&1 | FileCheck %s | |
| # The SELRMux has two identical sources - replace with a copy instruction. | |
| # CHECK: name: fun0 | |
| # CHECK: renamable $r1l = AHIMuxK killed renamable $r1l, -1, implicit-def dead $cc | |
| # CHECK-NEXT: CHIMux renamable $r5h, 9, implicit-def $cc | |
| # CHECK-NEXT: $r14h = COPY renamable $r1l | |
| --- | |
| name: fun0 | |
| tracksRegLiveness: true | |
| body: | | |
| bb.0: | |
| liveins: $r1l, $r5h | |
| renamable $r1l = AHIMuxK killed renamable $r1l, -1, implicit-def dead $cc | |
| CHIMux renamable $r5h, 9, implicit-def $cc | |
| renamable $r14h = SELRMux killed renamable $r1l, renamable $r1l, 14, 8, implicit $cc | |
| $r14l = COPY killed renamable $r14h | |
| $r14d = LGFR $r14l | |
| Return implicit $r14d | |
| ... |