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Fangrui Song a7866b1030 [GlobalOpt] Simplify __cxa_atexit elimination 
cxxDtorIsEmpty checks callers recursively to determine if the
__cxa_atexit-registered function is empty, and eliminates the
__cxa_atexit call accordingly.

This recursive check is unnecessary as redundant instructions and
function calls can be removed by early-cse and inliner. In addition,
cxxDtorIsEmpty does not mark visited function and it may visit a
function exponential times (multiplication principle).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@353603 91177308-0d34-0410-b5e6-96231b3b80d8
2019-02-09 09:18:37 +00:00
..
PowerPC
Re-commit : [PowerPC] Add handling for ColdCC calling convention and a pass to mark
2018-01-30 16:17:22 +00:00
2004-10-10-CastStoreOnce.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
2005-06-15-LocalizeConstExprCrash.ll
[opaque pointer type] Add textual IR support for explicit type parameter to gep operator
2015-03-13 18:20:45 +00:00
2005-09-27-Crash.ll
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction
2015-02-27 19:29:02 +00:00
2006-07-07-InlineAsmCrash.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
2006-11-01-ShrinkGlobalPhiCrash.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
2007-04-05-Crash.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
2007-05-13-Crash.ll
Make "@name =" mandatory for globals in .ll files.
2016-05-10 18:22:45 +00:00
2007-06-04-PackedStruct.ll
[opaque pointer type] Add textual IR support for explicit type parameter to gep operator
2015-03-13 18:20:45 +00:00
2007-11-09-GEP-GEP-Crash.ll
[PPC] Remove Darwin support from POWER backend.
2018-08-28 01:18:29 +00:00
2008-01-03-Crash.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
2008-01-13-OutOfRangeSROA.ll
GlobalOpt: Convert a bunch of tests from grep to FileCheck
2016-04-25 23:36:50 +00:00
2008-01-29-VolatileGlobal.ll
GlobalOpt: Convert a bunch of tests from grep to FileCheck
2016-04-25 23:36:50 +00:00
2008-04-26-SROA-Global-Align.ll
GlobalOpt: Convert a bunch of tests from grep to FileCheck
2016-04-25 23:36:50 +00:00
2008-07-17-addrspace.ll
GlobalOpt: Convert a bunch of tests from grep to FileCheck
2016-04-25 23:36:50 +00:00
2008-12-16-HeapSRACrash-2.ll
[opaque pointer type] Add textual IR support for explicit type parameter to gep operator
2015-03-13 18:20:45 +00:00
2008-12-16-HeapSRACrash.ll
[opaque pointer type] Add textual IR support for explicit type parameter to gep operator
2015-03-13 18:20:45 +00:00
2009-01-13-phi-user.ll
GlobalOpt: Convert a bunch of tests from grep to FileCheck
2016-04-25 23:36:50 +00:00
2009-02-15-BitcastAlias.ll
[opaque pointer type] Add textual IR support for explicit type parameter for global aliases
2015-09-11 03:22:04 +00:00
2009-02-15-ResolveAlias.ll
[opaque pointer type] Add textual IR support for explicit type parameter for global aliases
2015-09-11 03:22:04 +00:00
2009-03-05-dbg.ll
Canonicalize the representation of empty an expression in DIGlobalVariableExpression
2017-08-30 18:06:51 +00:00
2009-03-06-Anonymous.ll
Make "@name =" mandatory for globals in .ll files.
2016-05-10 18:22:45 +00:00
2009-03-07-PromotePtrToBool.ll
GlobalOpt: Convert a bunch of tests from grep to FileCheck
2016-04-25 23:36:50 +00:00
2009-06-01-RecursivePHI.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
2009-11-16-BrokenPerformHeapAllocSRoA.ll
[opaque pointer type] Add textual IR support for explicit type parameter to gep operator
2015-03-13 18:20:45 +00:00
2009-11-16-MallocSingleStoreToGlobalVar.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
2010-02-25-MallocPromote.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
2010-02-26-MallocSROA.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
2010-10-19-WeakOdr.ll
IR: Introduce local_unnamed_addr attribute.
2016-06-14 21:01:22 +00:00
2011-04-09-EmptyGlobalCtors.ll
…
2012-05-11-blockaddress.ll
…
alias-resolve.ll
Delete dead GlobalAliases.
2015-12-22 19:50:22 +00:00
alias-used-address-space.ll
IR: Introduce local_unnamed_addr attribute.
2016-06-14 21:01:22 +00:00
alias-used-section.ll
[opaque pointer type] Add textual IR support for explicit type parameter for global aliases
2015-09-11 03:22:04 +00:00
alias-used.ll
IR: Introduce local_unnamed_addr attribute.
2016-06-14 21:01:22 +00:00
amdgcn-ctor-alloca.ll
Fix evaluator for non-zero alloca addr space
2018-05-19 02:58:16 +00:00
array-elem-refs.ll
[opaque pointer type] Add textual IR support for explicit type parameter to gep operator
2015-03-13 18:20:45 +00:00
assume.ll
IR: Introduce local_unnamed_addr attribute.
2016-06-14 21:01:22 +00:00
atexit.ll
…
atomic.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
available_externally_global_ctors.ll
Change hasUniqueInitializer() to call isStrongDefinitionForLinker() instead of !isWeakForLinker()
2015-12-09 16:17:07 +00:00
basictest.ll
PM: Port GlobalOpt to the new pass manager
2016-04-26 00:28:01 +00:00
blockaddress.ll
Verifier: Call verifyModule() from llc and opt
2015-03-27 22:04:28 +00:00
cleanup-pointer-root-users.ll
Move the personality function from LandingPadInst to Function
2015-06-17 20:52:32 +00:00
coldcc_stress_test.ll
Re-commit : [PowerPC] Add handling for ColdCC calling convention and a pass to mark
2018-01-30 16:17:22 +00:00
compiler-used.ll
…
constantexpr-dangle.ll
GlobalOpt: Convert a bunch of tests from grep to FileCheck
2016-04-25 23:36:50 +00:00
constantfold-initializers.ll
IR: Introduce local_unnamed_addr attribute.
2016-06-14 21:01:22 +00:00
crash-2.ll
[opaque pointer type] Add textual IR support for explicit type parameter to gep operator
2015-03-13 18:20:45 +00:00
crash.ll
Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1)
2018-01-19 17:13:12 +00:00
ctor-list-opt-constexpr.ll
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction
2015-02-27 19:29:02 +00:00
ctor-list-opt-inbounds.ll
IR: Introduce local_unnamed_addr attribute.
2016-06-14 21:01:22 +00:00
ctor-list-opt.ll
[opaque pointer type] Add textual IR support for explicit type parameter to gep operator
2015-03-13 18:20:45 +00:00
cxx-dtor.ll
[GlobalOpt] Simplify __cxa_atexit elimination
2019-02-09 09:18:37 +00:00
deaddeclaration.ll
[GlobalOpt] Dead Eliminate declarations
2016-09-15 20:26:27 +00:00
deadfunction.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
deadglobal-2.ll
GlobalOpt: Convert a bunch of tests from grep to FileCheck
2016-04-25 23:36:50 +00:00
deadglobal.ll
Delete dead GlobalAliases.
2015-12-22 19:50:22 +00:00
evaluate-bitcast.ll
[Evaluator] Evaluate load/store with bitcast
2018-03-13 10:19:50 +00:00
evaluate-call-errors.ll
[Evaluator] Improve evaluation of call instruction
2018-07-01 11:02:07 +00:00
evaluate-call.ll
[Evaluator] Examine alias when evaluating function call
2018-07-10 16:34:23 +00:00
evaluate-constfold-call.ll
[Evaluator] Improve evaluation of call instruction
2018-07-01 11:02:07 +00:00
externally-initialized-aggregate.ll
Fix some broken CHECK lines.
2017-01-22 20:28:56 +00:00
externally-initialized-global-ctr.ll
[opaque pointer type] Add textual IR support for explicit type parameter to gep operator
2015-03-13 18:20:45 +00:00
externally-initialized.ll
GlobalOpt does not treat externally_initialized globals correctly
2015-10-12 13:20:52 +00:00
fastcc.ll
[GlobalOpt] Don't apply fastcc if it would break inalloca invariants
2018-08-09 17:29:26 +00:00
global-demotion.ll
[GlobalOpt] Demote globals to locals more aggressively
2015-11-15 14:21:37 +00:00
globalsra-multigep.ll
[GlobalOpt] Test array indices inside structs for out-of-bounds accesses
2018-07-28 08:20:10 +00:00
globalsra-partial.ll
[GlobalOpt] Test array indices inside structs for out-of-bounds accesses
2018-07-28 08:20:10 +00:00
globalsra-unknown-index.ll
GlobalOpt: Convert a bunch of tests from grep to FileCheck
2016-04-25 23:36:50 +00:00
globalsra.ll
GlobalOpt: Convert a bunch of tests from grep to FileCheck
2016-04-25 23:36:50 +00:00
GSROA-section.ll
Make sure that any new and optimized objects created during GlobalOPT copy all the attributes from the base object.
2016-01-22 21:18:20 +00:00
heap-sra-1-no-null-opt.ll
llvm: Add support for "-fno-delete-null-pointer-checks"
2018-07-09 22:27:23 +00:00
heap-sra-1.ll
llvm: Add support for "-fno-delete-null-pointer-checks"
2018-07-09 22:27:23 +00:00
heap-sra-2-no-null-opt.ll
llvm: Add support for "-fno-delete-null-pointer-checks"
2018-07-09 22:27:23 +00:00
heap-sra-2.ll
llvm: Add support for "-fno-delete-null-pointer-checks"
2018-07-09 22:27:23 +00:00
heap-sra-3-no-null-opt.ll
llvm: Add support for "-fno-delete-null-pointer-checks"
2018-07-09 22:27:23 +00:00
heap-sra-3.ll
llvm: Add support for "-fno-delete-null-pointer-checks"
2018-07-09 22:27:23 +00:00
heap-sra-4-no-null-opt.ll
llvm: Add support for "-fno-delete-null-pointer-checks"
2018-07-09 22:27:23 +00:00
heap-sra-4.ll
llvm: Add support for "-fno-delete-null-pointer-checks"
2018-07-09 22:27:23 +00:00
heap-sra-phi-no-null-opt.ll
llvm: Add support for "-fno-delete-null-pointer-checks"
2018-07-09 22:27:23 +00:00
heap-sra-phi.ll
llvm: Add support for "-fno-delete-null-pointer-checks"
2018-07-09 22:27:23 +00:00
int_sideeffect.ll
Add an @llvm.sideeffect intrinsic
2017-11-08 21:59:51 +00:00
integer-bool-dwarf.ll
[DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label.
2018-05-09 02:40:45 +00:00
integer-bool.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
invariant-nodatalayout.ll
Revert "Revert "Invariant start/end intrinsics overloaded for address space""
2016-08-13 23:31:24 +00:00
invariant.group.ll
Implement strip.invariant.group
2018-07-02 04:49:30 +00:00
invariant.ll
Revert "Revert "Invariant start/end intrinsics overloaded for address space""
2016-08-13 23:31:24 +00:00
invoke.ll
IR: Introduce local_unnamed_addr attribute.
2016-06-14 21:01:22 +00:00
iterate.ll
GlobalOpt: Convert a bunch of tests from grep to FileCheck
2016-04-25 23:36:50 +00:00
load-store-global-no-null-opt.ll
llvm: Add support for "-fno-delete-null-pointer-checks"
2018-07-09 22:27:23 +00:00
load-store-global.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
localize-constexpr-debuginfo.ll
[DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label.
2018-05-09 02:40:45 +00:00
localize-constexpr.ll
Delete dead GlobalAliases.
2015-12-22 19:50:22 +00:00
malloc-promote-1-no-null-opt.ll
llvm: Add support for "-fno-delete-null-pointer-checks"
2018-07-09 22:27:23 +00:00
malloc-promote-1.ll
llvm: Add support for "-fno-delete-null-pointer-checks"
2018-07-09 22:27:23 +00:00
malloc-promote-2-no-null-opt.ll
llvm: Add support for "-fno-delete-null-pointer-checks"
2018-07-09 22:27:23 +00:00
malloc-promote-2.ll
llvm: Add support for "-fno-delete-null-pointer-checks"
2018-07-09 22:27:23 +00:00
malloc-promote-3.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
MallocSROA-section-no-null-opt.ll
llvm: Add support for "-fno-delete-null-pointer-checks"
2018-07-09 22:27:23 +00:00
MallocSROA-section.ll
Make sure that any new and optimized objects created during GlobalOPT copy all the attributes from the base object.
2016-01-22 21:18:20 +00:00
memcpy.ll
Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1)
2018-01-19 17:13:12 +00:00
memset-null.ll
Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1)
2018-01-19 17:13:12 +00:00
memset.ll
Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1)
2018-01-19 17:13:12 +00:00
metadata.ll
IR: Drop uniquing when an MDNode Value operand is deleted
2016-08-03 18:19:43 +00:00
musttail_cc.ll
[GlobalOpt] don't change CC of musttail calle(e|r)
2018-02-28 22:28:44 +00:00
naked_functions.ll
[FunctionAttrs][ArgumentPromotion][GlobalOpt] Disable some optimisations passes for naked functions
2018-02-22 14:42:08 +00:00
phi-select.ll
GlobalOpt: Convert a bunch of tests from grep to FileCheck
2016-04-25 23:36:50 +00:00
pr21191.ll
IR: Introduce local_unnamed_addr attribute.
2016-06-14 21:01:22 +00:00
pr33686.ll
[GlobalOpt] Autogenerate checks for the test in PR33686.
2017-07-13 15:55:34 +00:00
preserve-comdats.ll
Change the .ll syntax for comdats and add a syntactic sugar.
2015-01-06 22:55:16 +00:00
shrink-address-to-bool.ll
[DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label.
2018-05-09 02:40:45 +00:00
shrink-global-to-bool-check-debug.ll
[DebugInfo][GlobalOpt] Fix -debugify for globalopt shrinking globals to booleans.
2018-10-23 16:35:51 +00:00
SROA-section.ll
Make sure that any new and optimized objects created during GlobalOPT copy all the attributes from the base object.
2016-01-22 21:18:20 +00:00
static-const-bitcast.ll
[GlobalOpt] Fix support for casts in ctors.
2018-04-06 15:54:47 +00:00
storepointer-compare-no-null-opt.ll
llvm: Add support for "-fno-delete-null-pointer-checks"
2018-07-09 22:27:23 +00:00
storepointer-compare.ll
GlobalOpt: Convert a bunch of tests from grep to FileCheck
2016-04-25 23:36:50 +00:00
storepointer-no-null-opt.ll
llvm: Add support for "-fno-delete-null-pointer-checks"
2018-07-09 22:27:23 +00:00
storepointer.ll
GlobalOpt: Convert a bunch of tests from grep to FileCheck
2016-04-25 23:36:50 +00:00
tls.ll
Implement target independent TLS compatible with glibc's emutls.c.
2015-07-28 16:24:05 +00:00
trivialstore.ll
GlobalOpt: Convert a bunch of tests from grep to FileCheck
2016-04-25 23:36:50 +00:00
undef-init.ll
GlobalOpt: Convert a bunch of tests from grep to FileCheck
2016-04-25 23:36:50 +00:00
unnamed-addr.ll
IR: Introduce local_unnamed_addr attribute.
2016-06-14 21:01:22 +00:00
zeroinitializer-gep-load.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00