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67 lines
2.3 KiB
Plaintext
67 lines
2.3 KiB
Plaintext
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# ADJCALLSTACKDOWN and ADJCALLSTACKUP must be generated around TLS pseudo code as scheduling fence (PR25839).
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# RUN: llc -mtriple=powerpc64le-linux-gnu -run-pass=ppc-tls-dynamic-call -verify-machineinstrs -o - %s | FileCheck %s
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--- |
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target datalayout = "e-m:e-i64:64-n32:64"
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target triple = "powerpc64le-unknown-linux-gnu"
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@tls_var = external thread_local local_unnamed_addr global i32
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define i32 @tls_func() local_unnamed_addr {
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entry:
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%0 = load i32, i32* @tls_var
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ret i32 %0
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}
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...
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---
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name: tls_func
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alignment: 4
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exposesReturnsTwice: false
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legalized: false
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regBankSelected: false
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selected: false
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tracksRegLiveness: true
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registers:
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- { id: 0, class: g8rc_and_g8rc_nox0, preferred-register: '' }
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- { id: 1, class: g8rc_and_g8rc_nox0, preferred-register: '' }
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- { id: 2, class: g8rc, preferred-register: '' }
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liveins:
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- { reg: '%x2' }
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frameInfo:
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isFrameAddressTaken: false
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isReturnAddressTaken: false
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hasStackMap: false
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hasPatchPoint: false
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stackSize: 0
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offsetAdjustment: 0
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maxAlignment: 0
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adjustsStack: false
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hasCalls: false
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stackProtector: ''
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maxCallFrameSize: 4294967295
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hasOpaqueSPAdjustment: false
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hasVAStart: false
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hasMustTailInVarArgFunc: false
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savePoint: ''
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restorePoint: ''
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fixedStack:
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stack:
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constants:
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body: |
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bb.0.entry:
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liveins: %x2
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%0 = ADDIStlsgdHA %x2, @tls_var
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%1 = ADDItlsgdLADDR killed %0, @tls_var, @tls_var, implicit-def dead %x0, implicit-def dead %x3, implicit-def dead %x4, implicit-def dead %x5, implicit-def dead %x6, implicit-def dead %x7, implicit-def dead %x8, implicit-def dead %x9, implicit-def dead %x10, implicit-def dead %x11, implicit-def dead %x12, implicit-def dead %lr8, implicit-def dead %ctr8, implicit-def dead %cr0, implicit-def dead %cr1, implicit-def dead %cr5, implicit-def dead %cr6, implicit-def dead %cr7
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%2 = LWZ8 0, killed %1 :: (dereferenceable load 4 from @tls_var)
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%x3 = COPY %2
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BLR8 implicit %lr8, implicit %rm, implicit %x3
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; CHECK-LABEL: bb.0.entry
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; CHECK: %[[reg1:[0-9]+]]:g8rc_and_g8rc_nox0 = ADDIStlsgdHA %x2, @tls_var
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; CHECK: ADJCALLSTACKDOWN 0, 0
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; CHECK: %x3 = ADDItlsgdL %[[reg1]], @tls_var
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; CHECK: %x3 = GETtlsADDR %x3, @tls_var
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; CHECK: ADJCALLSTACKUP 0, 0
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; CHECK: BLR8
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...
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