| # RUN: llc -mtriple=s390x-linux-gnu -mcpu=z14 -O0 -start-after=regallocfast %s \ |
| # RUN: -o - | FileCheck %s |
| # |
| # Test that LOCRMux expansion works at -O0. |
| |
| --- | |
| define internal i32 @fun(i16 %arg) { bb: ret i32 0 } |
| ... |
| |
| # CHECK-LABEL: fun |
| # CHECK: risbhg %r13, %r13, 0, 159, 32 |
| |
| --- |
| name: 'fun' |
| alignment: 16 |
| tracksRegLiveness: true |
| frameInfo: |
| maxAlignment: 8 |
| machineFunctionInfo: {} |
| body: | |
| bb.0.bb: |
| renamable $r0d = IMPLICIT_DEF |
| CGHI killed renamable $r0d, 8, implicit-def $cc |
| renamable $r13l = LHIMux 0 |
| renamable $r13h = LHIMux -1 |
| renamable $r13h = LOCRMux renamable $r13h, killed renamable $r13l, 14, 10, implicit $cc |
| renamable $r2l = COPY killed renamable $r13h |
| Return implicit killed $r2l |
| ... |
