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| # RUN: llc -march=mips64 -target-abi n64 -start-before=finalize-isel \
# RUN: -stop-after=finalize-isel -relocation-model=static -o /dev/null %s
# A simple test to show that we can parse the target specific flags: highest,
# higher, hi, lo, tprel-lo, tprel-hi, gpoff-hi, gpoff-lo, gottprel.
--- |
@v = global i32 0, align 4
@k = thread_local global i32 0, align 4
@j = external thread_local global i32, align 4
@__tls_guard = internal thread_local global i1 false, align 1
declare i32 @_Z1gi(i32 signext)
declare extern_weak void @_ZTH1j()
define i32 @_Z2k1i(i32 signext %asd) {
entry:
%call = tail call i32 @_Z1gi(i32 signext %asd)
%add = add nsw i32 %call, %asd
%0 = load i32, i32* @v, align 4
%add1 = add nsw i32 %add, %0
%.b.i.i = load i1, i1* @__tls_guard, align 1
br i1 %.b.i.i, label %entry._ZTW1k.exit_crit_edge, label %init.i.i
entry._ZTW1k.exit_crit_edge:
%.pre = load i32, i32* @k, align 4
br label %_ZTW1k.exit
init.i.i:
store i1 true, i1* @__tls_guard, align 1
%call.i.i.i = tail call i32 @_Z1gi(i32 signext 3)
store i32 %call.i.i.i, i32* @k, align 4
br label %_ZTW1k.exit
_ZTW1k.exit:
%1 = phi i32 [ %.pre, %entry._ZTW1k.exit_crit_edge ], [ %call.i.i.i, %init.i.i ]
%add2 = add nsw i32 %add1, %1
br i1 icmp ne (void ()* @_ZTH1j, void ()* null), label %2, label %_ZTW1j.exit
; <label>:2:
tail call void @_ZTH1j()
br label %_ZTW1j.exit
_ZTW1j.exit:
%3 = load i32, i32* @j, align 4
%add3 = add nsw i32 %add2, %3
ret i32 %add3
}
...
---
name: _Z2k1i
alignment: 8
exposesReturnsTwice: false
legalized: false
regBankSelected: false
selected: false
tracksRegLiveness: true
registers:
- { id: 0, class: gpr32, preferred-register: '' }
- { id: 1, class: gpr32, preferred-register: '' }
- { id: 2, class: gpr32, preferred-register: '' }
- { id: 3, class: gpr32, preferred-register: '' }
- { id: 4, class: gpr32, preferred-register: '' }
- { id: 5, class: gpr64, preferred-register: '' }
- { id: 6, class: gpr32, preferred-register: '' }
- { id: 7, class: gpr32, preferred-register: '' }
- { id: 8, class: gpr32, preferred-register: '' }
- { id: 9, class: gpr64, preferred-register: '' }
- { id: 10, class: gpr64, preferred-register: '' }
- { id: 11, class: gpr64, preferred-register: '' }
- { id: 12, class: gpr64, preferred-register: '' }
- { id: 13, class: gpr64, preferred-register: '' }
- { id: 14, class: gpr32, preferred-register: '' }
- { id: 15, class: gpr64, preferred-register: '' }
- { id: 16, class: gpr64, preferred-register: '' }
- { id: 17, class: gpr64, preferred-register: '' }
- { id: 18, class: gpr64, preferred-register: '' }
- { id: 19, class: gpr64, preferred-register: '' }
- { id: 20, class: gpr32, preferred-register: '' }
- { id: 21, class: gpr64, preferred-register: '' }
- { id: 22, class: gpr64, preferred-register: '' }
- { id: 23, class: gpr64, preferred-register: '' }
- { id: 24, class: gpr64, preferred-register: '' }
- { id: 25, class: gpr64, preferred-register: '' }
- { id: 26, class: gpr32, preferred-register: '' }
- { id: 27, class: gpr64, preferred-register: '' }
- { id: 28, class: gpr64, preferred-register: '' }
- { id: 29, class: gpr64, preferred-register: '' }
- { id: 30, class: gpr64, preferred-register: '' }
- { id: 31, class: gpr32, preferred-register: '' }
- { id: 32, class: gpr64, preferred-register: '' }
- { id: 33, class: gpr64, preferred-register: '' }
- { id: 34, class: gpr64, preferred-register: '' }
- { id: 35, class: gpr64, preferred-register: '' }
- { id: 36, class: gpr64, preferred-register: '' }
- { id: 37, class: gpr64, preferred-register: '' }
- { id: 38, class: gpr64, preferred-register: '' }
- { id: 39, class: gpr64, preferred-register: '' }
- { id: 40, class: gpr64, preferred-register: '' }
- { id: 41, class: gpr64, preferred-register: '' }
- { id: 42, class: gpr64, preferred-register: '' }
- { id: 43, class: gpr64, preferred-register: '' }
- { id: 44, class: gpr64, preferred-register: '' }
- { id: 45, class: gpr64, preferred-register: '' }
- { id: 46, class: gpr64, preferred-register: '' }
- { id: 47, class: gpr64, preferred-register: '' }
- { id: 48, class: gpr32, preferred-register: '' }
- { id: 49, class: gpr32, preferred-register: '' }
- { id: 50, class: gpr64, preferred-register: '' }
- { id: 51, class: gpr64, preferred-register: '' }
liveins:
- { reg: '$a0_64', virtual-reg: '%5' }
- { reg: '$t9_64', virtual-reg: '' }
frameInfo:
isFrameAddressTaken: false
isReturnAddressTaken: false
hasStackMap: false
hasPatchPoint: false
stackSize: 0
offsetAdjustment: 0
maxAlignment: 1
adjustsStack: false
hasCalls: true
stackProtector: ''
maxCallFrameSize: 4294967295
hasOpaqueSPAdjustment: false
hasVAStart: false
hasMustTailInVarArgFunc: false
savePoint: ''
restorePoint: ''
fixedStack:
stack:
constants:
body: |
bb.0.entry:
successors: %bb.1.entry._ZTW1k.exit_crit_edge(0x7fe00000), %bb.2.init.i.i(0x00200000)
liveins: $a0_64, $t9_64
%50 = LUi64 target-flags(mips-gpoff-hi) @_Z2k1i
%51 = DADDu %50, $t9_64
%43 = DADDiu %51, target-flags(mips-gpoff-lo) @_Z2k1i
%5 = COPY $a0_64
ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
%6 = COPY %5.sub_32
$a0_64 = COPY %5
JAL @_Z1gi, csr_n64, implicit-def dead $ra, implicit $a0_64, implicit-def $sp, implicit-def $v0
ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
%7 = COPY $v0
%8 = ADDu %7, killed %6
%9 = LUi64 target-flags(mips-highest) @v
%10 = DADDiu killed %9, target-flags(mips-higher) @v
%11 = DSLL killed %10, 16
%12 = DADDiu killed %11, target-flags(mips-abs-hi) @v
%13 = DSLL killed %12, 16
%14 = LW killed %13, target-flags(mips-abs-lo) @v :: (dereferenceable load 4 from @v)
%0 = ADDu killed %8, killed %14
%15 = LUi64 target-flags(mips-tprel-hi) @__tls_guard
%16 = DADDiu killed %15, target-flags(mips-tprel-lo) @__tls_guard
%17 = RDHWR64 $hwr29, 0
$v1_64 = COPY %17
%18 = COPY $v1_64
%19 = DADDu %18, killed %16
%20 = LBu killed %19, 0 :: (dereferenceable load 1 from @__tls_guard)
BEQ killed %20, $zero, %bb.2.init.i.i, implicit-def dead $at
J %bb.1.entry._ZTW1k.exit_crit_edge, implicit-def dead $at
bb.1.entry._ZTW1k.exit_crit_edge:
successors: %bb.3._ZTW1k.exit(0x80000000)
%32 = LUi64 target-flags(mips-tprel-hi) @k
%33 = DADDiu killed %32, target-flags(mips-tprel-lo) @k
%34 = RDHWR64 $hwr29, 0
$v1_64 = COPY %34
%35 = COPY $v1_64
%36 = DADDu %35, killed %33
%1 = LW killed %36, 0 :: (dereferenceable load 4 from @k)
J %bb.3._ZTW1k.exit, implicit-def dead $at
bb.2.init.i.i:
successors: %bb.3._ZTW1k.exit(0x80000000)
%21 = LUi64 target-flags(mips-tprel-hi) @__tls_guard
%22 = DADDiu killed %21, target-flags(mips-tprel-lo) @__tls_guard
%23 = RDHWR64 $hwr29, 0
$v1_64 = COPY %23
%24 = COPY $v1_64
%25 = DADDu %24, killed %22
%26 = ADDiu $zero, 1
SB killed %26, killed %25, 0 :: (store 1 into @__tls_guard)
%27 = LUi64 target-flags(mips-tprel-hi) @k
%28 = DADDiu killed %27, target-flags(mips-tprel-lo) @k
%29 = DADDu %24, killed %28
ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
%30 = DADDiu $zero_64, 3
$a0_64 = COPY %30
JAL @_Z1gi, csr_n64, implicit-def dead $ra, implicit $a0_64, implicit-def $sp, implicit-def $v0
ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
%31 = COPY $v0
SW %31, killed %29, 0 :: (store 4 into @k)
%2 = COPY %31
bb.3._ZTW1k.exit:
successors: %bb.4(0x40000000), %bb.5._ZTW1j.exit(0x40000000)
%3 = PHI %2, %bb.2.init.i.i, %1, %bb.1.entry._ZTW1k.exit_crit_edge
%4 = ADDu %0, %3
%37 = LUi64 target-flags(mips-highest) @_ZTH1j
%38 = DADDiu killed %37, target-flags(mips-higher) @_ZTH1j
%39 = DSLL killed %38, 16
%40 = DADDiu killed %39, target-flags(mips-abs-hi) @_ZTH1j
%41 = DSLL killed %40, 16
%42 = DADDiu killed %41, target-flags(mips-abs-lo) @_ZTH1j
BEQ64 killed %42, $zero_64, %bb.5._ZTW1j.exit, implicit-def dead $at
J %bb.4, implicit-def dead $at
bb.4 (%ir-block.2):
successors: %bb.5._ZTW1j.exit(0x80000000)
ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
JAL @_ZTH1j, csr_n64, implicit-def dead $ra, implicit-def $sp
ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
bb.5._ZTW1j.exit:
%44 = RDHWR64 $hwr29, 0
$v1_64 = COPY %44
%45 = LD %43, target-flags(mips-gottprel) @j :: (load 8)
%46 = COPY $v1_64
%47 = DADDu %46, killed %45
%48 = LW killed %47, 0 :: (dereferenceable load 4 from @j)
%49 = ADDu %4, killed %48
$v0 = COPY %49
RetRA implicit $v0
...
|