| # RUN: llc -mtriple=s390x-ibm-linux -systemz-subreg-liveness -verify-machineinstrs -start-before=simple-register-coalescing -o - %s | FileCheck %s |
| |
| # Check for successful compilation. |
| # CHECK: lhi %r0, 0 |
| |
| --- | |
| target datalayout = "E-m:e-i1:8:16-i8:8:16-i64:64-f128:64-v128:64-a:8:16-n32:64" |
| target triple = "s390x-ibm-linux" |
| |
| @g_105 = external dso_local global i8, align 2 |
| @g_149 = external dso_local unnamed_addr global i8, align 2 |
| |
| define void @main() #0 { |
| ret void |
| } |
| attributes #0 = { nounwind "target-cpu"="z13" "target-features"="+transactional-execution,+vector" } |
| ... |
| |
| --- |
| name: main |
| alignment: 16 |
| tracksRegLiveness: true |
| body: | |
| bb.0: |
| %8:grx32bit = LHIMux 0 |
| %9:gr64bit = LGHI 0 |
| %17:addr64bit = LARL @g_105 |
| %19:grx32bit = IMPLICIT_DEF |
| %20:gr32bit = COPY %8 |
| %21:gr32bit = COPY %8 |
| |
| bb.1: |
| successors: %bb.3(0x7fffffff), %bb.2(0x00000001) |
| |
| %2:gr32bit = COPY killed %21 |
| %1:gr32bit = COPY killed %20 |
| %0:grx32bit = COPY killed %19 |
| TMLMux killed %0, 255, implicit-def $cc |
| %3:gr64bit = COPY %9 |
| %3:gr64bit = LOCGHI %3, 1, 15, 7, implicit $cc |
| BRC 15, 8, %bb.3, implicit killed $cc |
| J %bb.2 |
| |
| bb.2: |
| successors: |
| |
| bb.3: |
| %10:gr32bit = COPY killed %2 |
| %10:gr32bit = OR %10, killed %1, implicit-def dead $cc |
| undef %11.subreg_l32:gr64bit = COPY killed %10 |
| %13:gr64bit = COPY killed %11 |
| %13:gr64bit = ROSBG %13, killed %3, 32, 63, 0, implicit-def dead $cc |
| CHIMux %8, 0, implicit-def $cc |
| BRC 14, 6, %bb.5, implicit killed $cc |
| J %bb.4 |
| |
| bb.4: |
| |
| bb.5: |
| successors: %bb.7(0x00000001), %bb.6(0x7fffffff) |
| |
| %4:grx32bit = COPY killed %13.subreg_l32 |
| CHIMux undef %16:grx32bit, 10, implicit-def $cc |
| BRC 14, 8, %bb.7, implicit killed $cc |
| J %bb.6 |
| |
| bb.6: |
| %6:grx32bit = LBMux %17, 0, $noreg :: (dereferenceable load 1 from @g_105, align 2) |
| %19:grx32bit = COPY killed %6 |
| %20:gr32bit = COPY killed %4 |
| %21:gr32bit = IMPLICIT_DEF |
| J %bb.1 |
| |
| bb.7: |
| %18:addr64bit = LARL @g_149 |
| STCMux killed %4, killed %18, 0, $noreg :: (store 1 into @g_149, align 2) |
| |
| ... |