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01d8611240
llvm-6502/include/llvm
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Chris Bieneman 01d8611240 [RegisterCoalescer] Add new subtarget hook allowing targets to opt-out of coalescing. 
The coalescer is very aggressive at propagating constraints on the register classes, and the register allocator doesn’t know how to split sub-registers later to recover. This patch provides an escape valve for targets that encounter this problem to limit coalescing.

This patch also implements such for ARM to lower register pressure when using lots of large register classes. This works around PR18825.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@213078 91177308-0d34-0410-b5e6-96231b3b80d8
2014-07-15 17:18:41 +00:00
..
ADT ADT: Surface LowerCase argument for utohexstr 2014-07-14 21:56:54 +00:00
Analysis Revert r212572 "improve BasicAA CS-CS queries", it causes PR20303. 2014-07-15 00:53:38 +00:00
AsmParser
Bitcode Revert "Convert a few std::strings to StringRef." 2014-07-04 20:02:42 +00:00
CodeGen CodeGen: Stick constant pool entries in COMDAT sections for WinCOFF 2014-07-14 22:57:27 +00:00
Config config.h: remove clang-specific macro definitions 2014-06-06 04:50:41 +00:00
DebugInfo [DWARF parser] Teach DIContext to fetch short (non-linkage) function names for a given address. 2014-05-17 00:07:48 +00:00
ExecutionEngine [RuntimeDyld] Improve error diagnostic in RuntimeDyldChecker. 2014-07-10 23:26:20 +00:00
IR Add CreatePointerBitCastOrAddrSpaceCast to IRBuilder and co. 2014-07-14 17:24:35 +00:00
IRReader Make a helper function static. No functionality change. 2014-07-05 00:39:08 +00:00
LineEditor
Linker IR: Add COMDATs to the IR 2014-06-27 18:19:56 +00:00
LTO Implement LTOModule on top of IRObjectFile. 2014-07-04 18:40:36 +00:00
MC CodeGen: Stick constant pool entries in COMDAT sections for WinCOFF 2014-07-14 22:57:27 +00:00
Object Fix the MSVC build following r212382 2014-07-06 10:54:41 +00:00
Option Option: Propagate flags from groups to options in each group 2014-07-12 00:18:58 +00:00
ProfileData ProfileData: Fix copy-paste type in RawInstrProfReader 2014-06-18 18:20:44 +00:00
Support Support: Fix option handling when using cl::Required with aliasopt 2014-07-14 20:53:57 +00:00
TableGen Revert "Introduce a string_ostream string builder facilty" 2014-06-26 22:52:05 +00:00
Target [RegisterCoalescer] Add new subtarget hook allowing targets to opt-out of coalescing. 2014-07-15 17:18:41 +00:00
Transforms Give SplitBlockAndInsertIfThen the ability to update a domtree. 2014-07-15 04:40:27 +00:00
CMakeLists.txt [modules] Add module maps for LLVM. These are not quite ready for prime-time 2014-05-21 02:46:14 +00:00
InitializePasses.h Templatify DominanceFrontier. 2014-07-12 21:59:52 +00:00
LinkAllIR.h
LinkAllPasses.h Add a new attribute called 'jumptable' that creates jump-instruction tables for functions marked with this attribute. 2014-06-05 19:29:43 +00:00
module.modulemap [modules] Add module maps for LLVM. These are not quite ready for prime-time 2014-05-21 02:46:14 +00:00
module.modulemap.build [modules] Add module maps for LLVM. These are not quite ready for prime-time 2014-05-21 02:46:14 +00:00
Pass.h Revert "[PM] Add pass run listeners to the pass manager." 2014-05-15 17:49:20 +00:00
PassAnalysisSupport.h
PassInfo.h Remove pimpl class from PassRegistry. 2014-06-12 16:06:51 +00:00
PassManager.h
PassRegistry.h Remove pimpl class from PassRegistry. 2014-06-12 16:06:51 +00:00
PassSupport.h Move GlobalMerge from Transform to CodeGen. 2014-06-13 22:57:59 +00:00