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Dehao Chen 41d72a8632 Use profile info to adjust loop unroll threshold. 
Summary:
For flat loop, even if it is hot, it is not a good idea to unroll in runtime, thus we set a lower partial unroll threshold.
For hot loop, we set a higher unroll threshold and allows expensive tripcount computation to allow more aggressive unrolling.

Reviewers: davidxl, mzolotukhin

Subscribers: sanjoy, mehdi_amini, llvm-commits

Differential Revision: https://reviews.llvm.org/D26527

llvm-svn: 287186
 		2016-11-17 01:17:02 +00:00
..
Analysis test commit, changed tab to spaces, NFC 2016-11-16 16:41:40 +00:00
AsmParser [AsmParser] Avoid recursing when lexing ';'. NFC. 2016-11-16 22:25:05 +00:00
Bitcode Bitcode: Introduce initial multi-module reader API. 2016-11-16 21:44:45 +00:00
CodeGen [CodeGen] Pass references, not pointers, to MMI helpers. NFC. 2016-11-16 22:25:03 +00:00
DebugInfo Align Modi and FileInfo substreams on 32-byte offsets. 2016-11-16 00:59:27 +00:00
Demangle Demangle: only demangle mangled symbols 2016-11-14 04:54:47 +00:00
ExecutionEngine [ORC] Re-apply 286620 with fixes for the ErrorSuccess class. 2016-11-11 21:42:09 +00:00
Fuzzer [libFuzzer] replace 'auto' with 'auto *' to better follow the LLVM style 2016-11-14 19:21:38 +00:00
IR fix comment formatting; NFC 2016-11-16 18:09:44 +00:00
IRReader Bitcode: Change module reader functions to return an llvm::Expected. 2016-11-13 07:00:17 +00:00
LTO [ThinLTO] Only promote exported locals as marked in index 2016-11-14 19:21:41 +00:00
LibDriver Object: Replace NewArchiveIterator with a simpler NewArchiveMember class. NFCI. 2016-06-29 22:27:42 +00:00
LineEditor
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Linker Linker: Remove unnecessary call to copyMetadata in IRLinker::linkGlobalVariable. 2016-11-14 23:18:38 +00:00
MC Fix 24560: assembler does not share constant pool for same constants 2016-11-04 19:17:32 +00:00
Object Object: replace backslashes with slashes in embedded relative thin archive paths on Windows. 2016-11-15 21:36:35 +00:00
ObjectYAML Fix Clang-tidy readability-redundant-string-cstr warnings 2016-11-02 16:43:50 +00:00
Option Generalize ArgList::AddAllArgs more 2016-09-29 19:47:58 +00:00
Passes Conditionally eliminate library calls where the result value is not used 2016-10-18 21:36:27 +00:00
ProfileData Make the Error class constructor protected 2016-11-11 04:28:40 +00:00
Support Add a little endian variant of TCE. 2016-11-16 15:22:23 +00:00
TableGen TableGen: Add operator !or 2016-11-15 06:49:28 +00:00
Target [AVR] Wrap all methods in the pseudo expansion pass in an anon namespace 2016-11-16 23:06:14 +00:00
Transforms Use profile info to adjust loop unroll threshold. 2016-11-17 01:17:02 +00:00
CMakeLists.txt Try to fix a circular dependency in the modules build. 2016-09-06 20:16:19 +00:00
LLVMBuild.txt Add an c++ itanium demangler to llvm. 2016-09-06 19:16:48 +00:00