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Quentin Colombet c88baa5c10 [LSR] Canonicalize reg1 + ... + regN into reg1 + ... + 1*regN. 
This commit introduces a canonical representation for the formulae.
Basically, as soon as a formula has more that one base register, the scaled
register field is used for one of them. The register put into the scaled
register is preferably a loop variant.
The commit refactors how the formulae are built in order to produce such
representation.
This yields a more accurate, but still perfectible, cost model.

<rdar://problem/16731508>

llvm-svn: 209230
 		2014-05-20 19:25:04 +00:00
..
Hello [Modules] Fix potential ODR violations by sinking the DEBUG_TYPE 2014-04-22 02:55:47 +00:00
IPO Check the alwaysinline attribute on the call as well as on the caller. 2014-05-19 18:25:54 +00:00
InstCombine Added inst-combine for 'MIN(MIN(A, 97), 23)' and 'MAX(MAX(A, 23), 97)' 2014-05-19 07:08:32 +00:00
Instrumentation Delete getAliasedGlobal. 2014-05-16 22:37:03 +00:00
ObjCARC Add comdat key field to llvm.global_ctors and llvm.global_dtors 2014-05-16 20:39:27 +00:00
Scalar [LSR] Canonicalize reg1 + ... + regN into reg1 + ... + 1*regN. 2014-05-20 19:25:04 +00:00
Utils Revert "Patch for function cloning to inline all blocks whose address is taken" 2014-05-19 16:04:10 +00:00
Vectorize Clean up language and grammar. 2014-05-20 17:11:11 +00:00
CMakeLists.txt Extracted ObjCARC.cpp into its own library libLLVMObjCARCOpts in preparation for refactoring the ARC Optimizer. 2013-01-28 01:35:51 +00:00
LLVMBuild.txt Extracted ObjCARC.cpp into its own library libLLVMObjCARCOpts in preparation for refactoring the ARC Optimizer. 2013-01-28 01:35:51 +00:00
Makefile Extracted ObjCARC.cpp into its own library libLLVMObjCARCOpts in preparation for refactoring the ARC Optimizer. 2013-01-28 01:35:51 +00:00