llvm-project/llvm/lib
Roman Lebedev 503deec218
Temporairly revert "[SimplifyCFG][LoopRotate] SimplifyCFG: disable common instruction hoisting by default, enable late in pipeline"
As disscussed in post-commit review starting with
	https://reviews.llvm.org/D84108#2227365
while this appears to be mostly a win overall, especially code-size-wise,
this appears to shake //certain// code pattens in a way that is extremely
unfavorable for performance (+30% runtime regression)
on certain CPU's (i personally can't reproduce).

So until the behaviour is better understood, and a path forward is mapped,
let's back this out for now.

This reverts commit 1d51dc38d8.
2020-08-22 00:33:22 +03:00
..
Analysis [opt][NewPM] Add basic-aa in legacy PM compatibility mode 2020-08-21 14:05:07 -07:00
AsmParser Revert "Revert "[NFC][llvm] Make the contructors of `ElementCount` private."" 2020-08-19 17:26:36 +00:00
BinaryFormat [DebugInfo] Allow GNU macro extension to be read 2020-08-11 13:30:52 +02:00
Bitcode [StackSafety] Use ValueInfo in ParamAccess::Call 2020-08-14 12:42:44 -07:00
Bitstream [Bitcode] reserve in front of push_back loops. NFCI. 2020-05-01 15:52:53 +02:00
CodeGen MachineSSAUpdater: Allow initialization with just a register class 2020-08-21 23:04:35 +02:00
DWARFLinker [Clang] Restore replace_path_prefix instead of startswith 2020-05-13 13:49:14 -04:00
DebugInfo [WIP][DebugInfo] Lazily parse debug_loclist offsets 2020-08-18 10:49:39 -07:00
Demangle [NFC] Use std::free instead of ::free 2020-07-20 16:19:08 -04:00
ExecutionEngine [SystemZ/ZOS]__(de)register_frame are not available on z/OS. 2020-08-17 09:00:09 -04:00
Extensions Update compiler extension integration into the build system 2020-04-24 09:40:14 +02:00
Frontend [OpenMP][OMPBuilder] Adding support for `omp single` 2020-08-16 01:15:16 -04:00
FuzzMutate [NewPM][LSR] Rename strength-reduce -> loop-reduce 2020-07-02 11:15:29 -07:00
Fuzzer
IR [InstCombine] Remove unused entries in gc-live bundle of statepoint 2020-08-22 01:36:22 +07:00
IRReader Infer alignment of unmarked loads in IR/bitcode parsing. 2020-05-14 13:03:50 -07:00
InterfaceStub Remove unnecessary HEADER_DIRS in lib/InterfaceStub/CMakeLists.txt 2020-08-14 11:22:50 -07:00
LTO [NewPM] Support optnone under new pass manager 2020-07-21 09:53:43 -07:00
LineEditor
Linker Revert rG5dd566b7c7b78bd- "PassManager.h - remove unnecessary Function.h/Module.h includes. NFCI." 2020-07-24 13:02:33 +01:00
MC [PowerPC][PCRelative] Thread Local Storage Support for Initial Exec 2020-08-21 10:13:11 -05:00
MCA [MCA][InstrBuilder] Correctly mark reserved resources in initializeUsedResources. 2020-05-10 19:25:54 +01:00
Object [llvm-objdump][AMDGPU] Detect CPU string 2020-08-18 17:43:16 +05:30
ObjectYAML Recommit: [DWARFYAML] Add support for referencing different abbrev tables. 2020-08-21 19:02:10 +08:00
Option [Clang options] Optimize optionMatches() runtime by removing mallocs 2020-08-12 23:07:07 -07:00
Passes Temporairly revert "[SimplifyCFG][LoopRotate] SimplifyCFG: disable common instruction hoisting by default, enable late in pipeline" 2020-08-22 00:33:22 +03:00
ProfileData [llvm-cov] reset executation count to 0 after wrapped segment 2020-08-04 18:38:44 -07:00
Remarks BitstreamRemarkParser.h - remove unnecessary includes. NFCI. 2020-08-06 13:17:53 +01:00
Support PrintStackTrace: don't symbolize if LLVM_DISABLE_SYMBOLIZATION is set 2020-08-21 11:27:13 -07:00
TableGen Fix two bugs in TGParser::ParseValue 2020-08-21 23:19:36 +02:00
Target Temporairly revert "[SimplifyCFG][LoopRotate] SimplifyCFG: disable common instruction hoisting by default, enable late in pipeline" 2020-08-22 00:33:22 +03:00
Testing [cmake] Make gtest macro definitions a part the library interface 2020-08-11 15:22:44 +02:00
TextAPI [TextAPI] update DriverKit string value 2020-08-15 06:44:30 -07:00
ToolDrivers [llvm-lib] Support adding short import library objects with llvm-lib 2020-07-24 22:15:08 +03:00
Transforms Temporairly revert "[SimplifyCFG][LoopRotate] SimplifyCFG: disable common instruction hoisting by default, enable late in pipeline" 2020-08-22 00:33:22 +03:00
WindowsManifest
XRay [xray] Add llvm-xray extract support for 32 bit ARM 2020-05-28 18:41:11 -04:00
CMakeLists.txt [elfabi] Move llvm-elfabi related code to InterfaceStub library 2020-08-13 11:51:44 -07:00
LLVMBuild.txt [elfabi] Move llvm-elfabi related code to InterfaceStub library 2020-08-13 11:51:44 -07:00