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llvm-mirror/lib
Renato Golin d371b2ca14 Allow GlobalValues to vectorize with AliasAnalysis
Storing the load/store instructions with the values
and inspect them using Alias Analysis to make sure
they don't alias, since the GEP pointer operand doesn't
take the offset into account.

Trying hard to not add any extra cost to loads and stores
that don't overlap on global values, AA is *only* calculated
if all of the previous attempts failed.

Using biggest vector register size as the stride for the
vectorization access, as we're being conservative and
the cost model (which calculates the real vectorization
factor) is only run after the legalization phase.

We might re-think this relationship in the future, but
for now, I'd rather be safe than sorry.

llvm-svn: 175818
2013-02-21 22:39:03 +00:00
..
Analysis Formatting. 2013-02-20 23:57:30 +00:00
Archive Move all of the header files which are involved in modelling the LLVM IR 2013-01-02 11:36:10 +00:00
AsmParser Update comment. 2013-02-14 20:44:07 +00:00
Bitcode Simplify code. No functionality change. 2013-02-19 09:48:30 +00:00
CodeGen Re-apply r175688, with the changes suggested by Jakob in PR15320. 2013-02-21 22:16:43 +00:00
DebugInfo Make helpers static. Add missing include so LLVMInitializeObjCARCOpts gets C linkage. 2013-02-15 12:30:38 +00:00
ExecutionEngine Formatting, grammar 2013-02-20 18:24:34 +00:00
IR Don't assert on empty attributes. 2013-02-21 19:46:51 +00:00
Linker Add static cast to unsigned char whenever a character classification function is called with a signed char argument, in order to avoid assertions in Windows Debug configuration. 2013-02-12 21:21:59 +00:00
MC MCParser: Update method names per coding guidelines. 2013-02-20 22:21:35 +00:00
Object Add static cast to unsigned char whenever a character classification function is called with a signed char argument, in order to avoid assertions in Windows Debug configuration. 2013-02-12 21:21:59 +00:00
Option Resort the #include lines in include/... and lib/... with the 2013-01-02 10:22:59 +00:00
Support Provide a "None" value for convenience when using Optional<T>() 2013-02-21 00:27:28 +00:00
TableGen Make helpers static. Add missing include so LLVMInitializeObjCARCOpts gets C linkage. 2013-02-15 12:30:38 +00:00
Target Move the eliminateCallFramePseudoInstr method from TargetRegisterInfo 2013-02-21 20:05:00 +00:00
Transforms Allow GlobalValues to vectorize with AliasAnalysis 2013-02-21 22:39:03 +00:00
CMakeLists.txt Rename VMCore directory to IR. 2013-01-02 09:10:48 +00:00
LLVMBuild.txt Rename VMCore directory to IR. 2013-01-02 09:10:48 +00:00
Makefile Rename VMCore directory to IR. 2013-01-02 09:10:48 +00:00