+++ /dev/null
-# RUN: llc -mtriple=s390x-linux-gnu -mcpu=z15 -O3 -start-before=finalize-isel %s -o - \
-# RUN: | FileCheck %s
-#
-# Test that the exrl used for the remainder of a memset (after xc loop) is
-# not rescheduled incorrectly in a way that interfers with CC liveness.
-
---- |
- define void @fun(ptr %Src, ptr %Dst, i64 %Len) { ret void }
-...
-
-# CHECK-LABEL: fun:
-
-# CHECK: exrl %r4, .Ltmp0
-# CHECK-NEXT: cgije
-
-# CHECK: exrl %r4, .Ltmp1
-# CHECK-NEXT: tmll
-# CHECK-NEXT: jne
-
-# CHECK: .Ltmp1:
-# CHECK-NEXT: xc 0(1,%r3), 0(%r2)
-# CHECK-NEXT: .Ltmp0:
-# CHECK-NEXT: xc 0(1,%r14), 0(%r14)
----
-name: fun
-alignment: 16
-tracksRegLiveness: true
-registers:
- - { id: 0, class: grx32bit }
- - { id: 1, class: addr64bit }
- - { id: 2, class: addr64bit }
- - { id: 3, class: gr64bit }
- - { id: 4, class: gr64bit }
- - { id: 5, class: grx32bit }
- - { id: 6, class: addr64bit }
- - { id: 7, class: addr64bit }
- - { id: 8, class: gr64bit }
- - { id: 9, class: gr128bit }
- - { id: 10, class: gr64bit }
- - { id: 11, class: gr32bit }
- - { id: 12, class: gr32bit }
- - { id: 13, class: gr32bit }
- - { id: 14, class: addr64bit }
- - { id: 15, class: gr64bit }
- - { id: 16, class: gr64bit }
- - { id: 17, class: addr64bit }
- - { id: 18, class: gr64bit }
- - { id: 19, class: vr128bit }
-liveins:
- - { reg: '$r2d', virtual-reg: '%1' }
- - { reg: '$r3d', virtual-reg: '%2' }
- - { reg: '$r4d', virtual-reg: '%3' }
-frameInfo:
- maxAlignment: 1
-machineFunctionInfo: {}
-jumpTable:
- kind: block-address
- entries:
- - id: 0
- blocks: [ '%bb.1', '%bb.2', '%bb.5', '%bb.6', '%bb.7', '%bb.7',
- '%bb.7', '%bb.7', '%bb.7', '%bb.7', '%bb.7', '%bb.7',
- '%bb.2', '%bb.5', '%bb.6', '%bb.7', '%bb.1', '%bb.2',
- '%bb.7', '%bb.7', '%bb.5' ]
-body: |
- bb.0:
- liveins: $r2d, $r3d, $r4d
-
- %3:gr64bit = COPY $r4d
- %2:addr64bit = COPY $r3d
- %1:addr64bit = COPY $r2d
- %4:gr64bit = LGHI 0
-
- bb.8:
- successors: %bb.1(0x00000000), %bb.2(0x00000000), %bb.5(0x00000000), %bb.6(0x00000000), %bb.7(0x80000000)
-
- %6:addr64bit = SLLG %4, $noreg, 3
- %7:addr64bit = LARL %jump-table.0
- BI killed %6, 0, killed %7 :: (load (s64) from jump-table)
-
- bb.1:
- successors:
-
-
- bb.2:
- successors: %bb.4(0x30000000), %bb.3(0x50000000)
-
- %8:gr64bit = LG %1, 0, $noreg
- %9:gr128bit = FLOGR killed %8, implicit-def dead $cc
- %10:gr64bit = COPY %9.subreg_h64
- %11:gr32bit = COPY %10.subreg_l32
- %12:gr32bit = LHIMux 64
- %13:gr32bit = nuw nsw SRK killed %12, killed %11, implicit-def dead $cc
- %0:grx32bit = COPY %13
- %14:addr64bit = AGHIK %3, -1, implicit-def dead $cc
- XCReg %1, 0, %1, 0, %14, implicit-def dead $cc
- XCReg %2, 0, %1, 0, %14, implicit-def dead $cc
- TMLMux %13, 7, implicit-def $cc
- BRC 15, 8, %bb.4, implicit $cc
- J %bb.3
-
- bb.3:
- successors:
-
- %16:gr64bit = IMPLICIT_DEF
- %15:gr64bit = INSERT_SUBREG %16, %0, %subreg.subreg_l32
- %18:gr64bit = IMPLICIT_DEF
- %17:addr64bit = RISBGN %18, killed %15, 54, 185, 3
- %19:vr128bit = VGBM 0
- VST killed %19, killed %17, 16, $noreg
-
- bb.4:
- successors:
-
-
- bb.5:
- successors:
-
-
- bb.6:
- successors:
-
-
- bb.7:
- Return
-
-...