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58 lines
1.7 KiB
58 lines
1.7 KiB
# RUN: llc -verify-machineinstrs -O1 -mtriple=s390x-ibm-linux -o - %s -run-pass=branch-folder | FileCheck %s
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--- |
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target datalayout = "E-m:e-i1:8:16-i8:8:16-i64:64-f128:64-a:8:16-n32:64"
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target triple = "s390x-ibm-linux"
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@b = external global i16, align 1
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@d = external global i16, align 1
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define void @f1() {
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ret void
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}
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...
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---
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name: f1
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tracksRegLiveness: true
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body: |
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bb.0:
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successors: %bb.2(0x7fffffff), %bb.1(0x00000001)
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liveins:
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renamable $r1d = LGRL @b :: (load 4 from got, align 8)
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renamable $r1l = LH killed renamable $r1d, 0, $noreg, implicit-def $r1d :: (dereferenceable load 1 from @b)
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renamable $r2l = LHI 0
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renamable $r3d = LGRL @d :: (load 4 from got, align 8)
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renamable $r4d = LLILL 0, implicit-def $r4q
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CHI killed renamable $r2l, 0, implicit-def $cc
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BRC 14, 6, %bb.2, implicit killed $cc
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J %bb.1
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bb.1:
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successors:
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liveins: $r1l, $r3d, $r4q
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renamable $r4d = COPY killed renamable $r4d, implicit killed $r4q
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STH renamable $r1l, killed renamable $r3d, 0, $noreg, implicit killed $r4d :: (store 1 into @d)
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bb.2:
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liveins: $r1l, $r3d, $r4q
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renamable $r4d = COPY killed renamable $r4d, implicit killed $r4q
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STH renamable $r1l, killed renamable $r3d, 0, $noreg, implicit killed $r4d :: (store 1 into @d)
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Return
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...
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# CHECK: renamable $r4d = COPY killed renamable $r4d, implicit killed $r4q
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# CHECK-NEXT: CHI killed renamable $r2l, 0, implicit-def $cc
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# CHECK-NEXT: BRC 14, 6, %bb.2, implicit killed $cc
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# CHECK-NEXT: {{^ $}}
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# CHECK-NEXT: bb.1:
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# CHECK-NEXT: successors:
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# CHECK-NEXT: liveins: $r1l, $r3d, $r4d
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# CHECK: bb.2:
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# CHECK-NEXT: liveins: $r1l, $r3d, $r4d
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