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Nirav Dave 27721e8617 [DAG, X86] Improve Dependency analysis when doing multi-node 
Instruction Selection

Cleanup cycle/validity checks in ISel (IsLegalToFold,
HandleMergeInputChains) and X86 (isFusableLoadOpStore). Now do a full
search for cycles / dependencies pruning the search when topological
property of NodeId allows.

As part of this propogate the NodeId-based cutoffs to narrow
hasPreprocessorHelper searches.

Reviewers: craig.topper, bogner

Subscribers: llvm-commits, hiraditya

Differential Revision: https://reviews.llvm.org/D41293

llvm-svn: 324359
 		2018-02-06 16:14:29 +00:00
..
Analysis [LoopStrengthReduce, x86] don't add cost for a cmp that will be macro-fused (PR35681) 2018-02-05 23:43:05 +00:00
AsmParser LLParser: add an argument for overriding data layout and do not check alloca addr space 2018-01-30 22:32:39 +00:00
BinaryFormat [Support] Move DJB hash to support. NFC 2018-01-28 11:05:10 +00:00
Bitcode Re-land "[ThinLTO] Add call edges' relative block frequency to per-module summary." 2018-01-25 19:27:17 +00:00
CodeGen [DAG, X86] Improve Dependency analysis when doing multi-node 2018-02-06 16:14:29 +00:00
DebugInfo [DWARF] Regularize dumping strings from line tables. 2018-02-05 20:43:15 +00:00
Demangle Silence a bunch of implicit fallthrough warnings 2017-12-19 22:05:25 +00:00
ExecutionEngine [ORC] Rename NullResolver to NullLegacyResolver. 2018-02-03 16:52:48 +00:00
FuzzMutate [llvm-opt-fuzzer] Avoid adding incorrect inputs to the fuzzer corpus 2018-02-05 11:05:47 +00:00
Fuzzer [libFuzzer] Delete llvm/lib/Fuzzer 2017-10-16 20:48:19 +00:00
IR LTO: Include dso-local bit in ThinLTO cache key. 2018-02-05 17:17:51 +00:00
IRReader LLParser: add an argument for overriding data layout and do not check alloca addr space 2018-01-30 22:32:39 +00:00
LTO [ThinLTO] Remove dead and dropped symbol declarations when possible 2018-02-06 00:43:39 +00:00
LineEditor
…
Linker [IRMover] Add comment and fix test case 2018-01-25 08:35:52 +00:00
MC [MC] Fix assembler infinite loop on EH table using LEB padding. 2018-02-01 00:25:19 +00:00
Object [RISCV] Add ELFObjectFileBase::getRISCVFeatures let llvm-objdump could get RISCV target feature 2018-02-02 06:01:02 +00:00
ObjectYAML CodeGen: support an extension to pass linker options on ELF 2018-01-30 16:29:29 +00:00
Option [Option] For typo '-foo', suggest '--foo' 2018-01-09 19:38:04 +00:00
Passes Another try to commit 323321 (aggressive instruction combine). 2018-01-25 12:06:32 +00:00
ProfileData Remove superfluous copies in sample profiling. 2017-12-28 18:10:41 +00:00
Support [ADT] Replace sys::MemoryFence with standard atomics. 2018-02-01 20:28:33 +00:00
TableGen [TblGen] Inline an (almost) trivial accessor. No functionality change. 2018-01-23 23:03:50 +00:00
Target [DAG, X86] Improve Dependency analysis when doing multi-node 2018-02-06 16:14:29 +00:00
Testing Force #define GTEST_LANG_CXX11. 2017-10-27 21:12:28 +00:00
ToolDrivers [COFF] Keep the underscore on exported decorated stdcall functions in MSVC mode 2018-01-20 11:44:32 +00:00
Transforms [MergeICmps] Handle chains with several complex BCE basic blocks. 2018-02-06 12:25:33 +00:00
WindowsManifest Fix bug 34608 by moving private header out of public header. 2017-09-14 23:01:13 +00:00
XRay [XRay] clarify error messages when parsing broken traces 2018-01-30 13:41:34 +00:00
CMakeLists.txt Moving libFuzzer from LLVM to compiler-rt. 2017-08-21 23:25:12 +00:00
LLVMBuild.txt Re-apply "Introduce FuzzMutate library" 2017-08-21 22:57:06 +00:00