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ae08f299bd
llvm-mirror/lib
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Nikita Popov ae08f299bd [NewPM][LVI] Abandon LVI after CVP 
As mentioned on D70376, LVI can currently cause performance issues
when running under NewPM. The problem is that, unlike the legacy
pass manager, NewPM will not immediately discard the LVI analysis
if the following pass does not need it. This is a problem, because
LVI has a high memory requirement, and mass invalidation of LVI
values is very inefficient. LVI should only be alive during passes
that actively interact with it.

This patch addresses the issue by explicitly abandoning LVI after CVP,
which gets us back to the LegacyPM behavior.

Differential Revision: https://reviews.llvm.org/D84959
2020-08-01 23:47:46 +02:00
..
Analysis [InstSimplify] Fold abs(abs(x)) -> abs(x) 2020-08-01 13:25:00 -07:00
AsmParser [ThinLTO] parse flags and blockcount summaries 2020-07-20 09:50:22 -07:00
BinaryFormat AMDGPU: Remove .value_type from kernel metadata 2020-07-10 18:16:31 -04:00
Bitcode [NFC] Move BitcodeCommon.h from Bitstream to Bitcode 2020-07-27 20:49:17 +00:00
Bitstream
CodeGen [MachineVerifier] Refactor calcRegsPassed. NFC 2020-08-01 12:58:52 +03:00
DebugInfo [Symbolize][PDB] Switch llvm-symbolizer to use PDB_ReaderType::Native. 2020-07-22 17:17:57 -07:00
Demangle [NFC] Use std::free instead of ::free 2020-07-20 16:19:08 -04:00
DWARFLinker
ExecutionEngine RuntimeDyldELF: report_fatal_error instead of asserting for unimplemented relocations (PR46816) 2020-07-31 20:06:47 +02:00
Extensions
Frontend [OpenMP][IRBuilder] Support allocas in nested parallel regions 2020-07-30 10:19:39 -05:00
Fuzzer
FuzzMutate
IR [ThinLTO] Compile time improvement to propagateAttributes 2020-07-31 10:54:02 -07:00
IRReader
LineEditor
Linker Revert rG5dd566b7c7b78bd- "PassManager.h - remove unnecessary Function.h/Module.h includes. NFCI." 2020-07-24 13:02:33 +01:00
LTO [NewPM] Support optnone under new pass manager 2020-07-21 09:53:43 -07:00
MC [MC] Support infix operator ! 2020-07-30 23:25:53 -07:00
MCA
Object [llvm-libtool-darwin] Refactor Slice and writeUniversalBinary 2020-07-31 09:22:35 -07:00
ObjectYAML [DWARFYAML] Make the debug_aranges entry optional. 2020-07-31 20:18:53 +08:00
Option [OptTable] Support grouped short options 2020-07-17 09:32:43 -07:00
Passes [tbaa] Rename type-based-aa -> tbaa 2020-07-30 19:51:35 -07:00
ProfileData Supplement instr profile with sample profile. 2020-07-27 20:17:40 -07:00
Remarks
Support [Support] Fix computeHostNumPhysicalCores() to respect affinity 2020-07-31 11:20:15 -07:00
TableGen [TableGen][CGS] Print better errors on overlapping InstRW 2020-07-27 09:41:10 -06:00
Target [X86] Add assembler support for {disp8} and {disp32} to control the size of displacement used for memory operands. 2020-08-01 13:26:35 -07:00
Testing Use INTERFACE_COMPILE_OPTIONS to disable -Wsuggest-override for any target that links to gtest 2020-07-27 08:37:01 -07:00
TextAPI
ToolDrivers [llvm-lib] Support adding short import library objects with llvm-lib 2020-07-24 22:15:08 +03:00
Transforms [NewPM][LVI] Abandon LVI after CVP 2020-08-01 23:47:46 +02:00
WindowsManifest
XRay
CMakeLists.txt
LLVMBuild.txt