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Jakob Stoklund Olesen bc55bfde03 Add a proper if-conversion cost model. 
Detect when there is not enough available ILP, so if-conversion can't
speculate instructions for free.

Compute the lengthening of the critical path when inserting a select
instruction that depends on the condition as well as both sides of the
if.

Reject conversions that would stretch the critical path by more than
half a mispredict penalty.

llvm-svn: 161713
 		2012-08-10 22:27:31 +00:00
..
Analysis PR13095: Give an inline cost bonus to functions using byval arguments. 2012-08-07 11:13:19 +00:00
Archive Remove references to compression in llvm-ar. It has been a long time since we 2012-08-10 01:57:52 +00:00
AsmParser [ms-inline asm] Add a new Inline Asm Non-Standard Dialect attribute. 2012-08-10 00:00:22 +00:00
Bitcode Remove tabs. 2012-07-19 00:15:11 +00:00
CodeGen Add a proper if-conversion cost model. 2012-08-10 22:27:31 +00:00
DebugInfo Fix the representation of debug line table in DebugInfo LLVM library, 2012-08-07 11:46:57 +00:00
ExecutionEngine Enable lazy compilation in MCJIT 2012-08-07 18:33:00 +00:00
Linker Move the "findUsedStructTypes" functionality outside of the Module class. 2012-08-03 00:30:35 +00:00
MC Move [SU]LEB128 encoding to a utility header. 2012-08-08 23:56:06 +00:00
Object Reverting r 160419. 2012-07-19 21:43:55 +00:00
Support stdcxx's cstdio doesn't include stdio.h, but the code using PathV2.inc 2012-08-10 10:56:09 +00:00
TableGen TableGen: Allow use of #NAME# outside of 'def' names. 2012-08-02 18:46:42 +00:00
Target ARM: enable struct byval for AAPCS. 2012-08-10 20:39:38 +00:00
Transforms Constify some basic blocks, no functionality change. 2012-08-10 15:55:25 +00:00
VMCore The normal edge of an invoke is not allowed to branch to a block with a 2012-08-10 20:55:20 +00:00
CMakeLists.txt Move TableGen's parser and entry point into a library 2011-10-01 16:41:13 +00:00
LLVMBuild.txt LLVMBuild: Introduce a common section which currently has a list of the 2011-12-12 22:45:54 +00:00
Makefile Remove more of llvmc and dependencies. 2011-09-20 00:34:27 +00:00