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