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# ADJCALLSTACKDOWN and ADJCALLSTACKUP should not be generated around TLS pseudo code if it is located within existing ADJCALLSTACKDOWN/ADJCALLSTACKUP pair.
# RUN: llc -mtriple=powerpc64le-linux-gnu -run-pass=ppc-tls-dynamic-call -verify-machineinstrs -o - %s | FileCheck %s
--- |
target datalayout = "e-m:e-i64:64-n32:64"
target triple = "powerpc64le-unknown-linux-gnu"
@tls_var = external thread_local local_unnamed_addr global i32
define i32 @tls_func() local_unnamed_addr {
entry:
%0 = load i32, i32* @tls_var
ret i32 %0
}
...
---
name: tls_func
alignment: 4
exposesReturnsTwice: false
legalized: false
regBankSelected: false
selected: false
tracksRegLiveness: true
registers:
- { id: 0, class: g8rc_and_g8rc_nox0, preferred-register: '' }
- { id: 1, class: g8rc_and_g8rc_nox0, preferred-register: '' }
- { id: 2, class: g8rc, preferred-register: '' }
liveins:
- { reg: '%x2' }
frameInfo:
isFrameAddressTaken: false
isReturnAddressTaken: false
hasStackMap: false
hasPatchPoint: false
stackSize: 0
offsetAdjustment: 0
maxAlignment: 0
adjustsStack: false
hasCalls: false
stackProtector: ''
maxCallFrameSize: 4294967295
hasOpaqueSPAdjustment: false
hasVAStart: false
hasMustTailInVarArgFunc: false
savePoint: ''
restorePoint: ''
fixedStack:
stack:
constants:
body: |
bb.0.entry:
liveins: %x2
ADJCALLSTACKDOWN 32, 0, implicit-def %r1, implicit %r1
%0 = ADDIStlsgdHA %x2, @tls_var
%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
%2 = LWZ8 0, killed %1 :: (dereferenceable load 4 from @tls_var)
%x3 = COPY %2
ADJCALLSTACKUP 32, 0, implicit-def %r1, implicit %r1
BLR8 implicit %lr8, implicit %rm, implicit %x3
; CHECK-LABEL: bb.0.entry
; CHECK-NOT: ADJCALLSTACKDOWN 0, 0
; CHECK-NOT: ADJCALLSTACKUP 0, 0
; CHECK: BLR8
...
|
