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Akira Hatanaka 8edf8f317b [ObjC][ARC] Let ARC optimizer bail out if the number of pointer states 
it keeps track of becomes too large

ARC optimizer does a top-down and a bottom-up traversal of the whole
function to pair up retain and release instructions and remove them.
This can be expensive if the number of instructions in the function and
pointer states it tracks are large since it has to look at each pointer
state and determine whether the instruction being visited can
potentially use the pointer.

This patch adds a command line option that sets a limit to the number of
pointers it tracks.

rdar://problem/49477063

Differential Revision: https://reviews.llvm.org/D61100

llvm-svn: 359226
 		2019-04-25 19:42:55 +00:00
..
Analysis Consolidate existing utilities for interpreting vector predicate maskes [NFC] 2019-04-25 02:30:17 +00:00
AsmParser Add LLVM IR debug info support for Fortran COMMON blocks 2019-04-08 19:13:55 +00:00
BinaryFormat [XCOFF] Add functionality for parsing AIX XCOFF object file headers 2019-04-04 00:53:21 +00:00
Bitcode Use llvm::lower_bound. NFC 2019-04-12 02:02:06 +00:00
CodeGen [SelectionDAG][X86] Use stack load/store in PromoteIntRes_BITCAST when the input needs to be be split and the output type is a vector. 2019-04-25 18:19:59 +00:00
DebugInfo Use llvm::stable_sort 2019-04-23 14:51:27 +00:00
Demangle llvm-undname: Fix assert-on->4GiB-string-literal, found by oss-fuzz 2019-04-24 16:09:38 +00:00
ExecutionEngine [JITLink] Refer to FDE's CIE (not the most recent CIE) when parsing eh-frame. 2019-04-24 15:15:55 +00:00
FuzzMutate [opaque pointer types] Pass value type to LoadInst creation. 2019-02-01 20:44:24 +00:00
Fuzzer
…
IR [ConstantRange] [a, b) udiv a full range is [0, umax(b)). 2019-04-25 10:12:43 +00:00
IRReader [IRReader] Expose getLazyIRModule 2019-02-11 22:01:13 +00:00
LTO [NewPassManager] Adding pass tuning options: loop vectorize. 2019-04-19 16:11:59 +00:00
LineEditor Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
Linker [Linker] Fix crash handling appending linkage 2019-03-20 19:20:07 +00:00
MC Use llvm::stable_sort 2019-04-23 14:51:27 +00:00
MCA [MCA] Add an experimental MicroOpQueue stage. 2019-03-29 12:15:37 +00:00
Object llvm-cvtres: Make new dupe resource error a bit friendlier 2019-04-24 23:26:30 +00:00
ObjectYAML [yaml2obj] - Don't crash on invalid inputs. 2019-04-25 09:59:55 +00:00
Option Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
Passes [ThinLTO] Pass down opt level to LTO backend and handle -O0 LTO in new PM 2019-04-23 18:56:19 +00:00
ProfileData The error message for mismatched value sites is very cryptic. 2019-04-23 22:26:55 +00:00
Remarks [Remarks] Add string deduplication using a string table 2019-04-24 00:06:24 +00:00
Support [Support] Add JSON streaming output API, faster where the heavy value types aren't needed. 2019-04-25 12:51:42 +00:00
TableGen [TableGen] Introduce !listsplat 'binary' operator 2019-04-10 18:26:36 +00:00
Target [AMDGPU] gfx1010 VOP1 instructions 2019-04-25 19:01:51 +00:00
Testing [Testing] Move clangd::Annotations to llvm testing support 2019-04-25 10:08:31 +00:00
TextAPI [TextAPI] Prefix all architecture enums to fix the build on i386. 2019-04-04 22:56:50 +00:00
ToolDrivers [llvm-ar][libObject] Fix relative paths when nesting thin archives. 2019-02-13 23:39:41 +00:00
Transforms [ObjC][ARC] Let ARC optimizer bail out if the number of pointer states 2019-04-25 19:42:55 +00:00
WindowsManifest Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
XRay Use llvm::stable_sort 2019-04-23 14:51:27 +00:00
CMakeLists.txt [OptRemarks] Make OptRemarks more generic: rename OptRemarks to Remarks 2019-03-05 20:45:17 +00:00
LLVMBuild.txt [OptRemarks] Make OptRemarks more generic: rename OptRemarks to Remarks 2019-03-05 20:45:17 +00:00