Adam Nemet a0834f1d87 [LoopAccesses] Allow analysis to complete in the presence of uniform stores ... Both run-time pointer checking and the dependence analysis are capable of dealing with uniform addresses. I.e. it's really just an orthogonal property of the loop that the analysis computes. Run-time pointer checking will only try to reason about SCEVAddRec pointers or else gives up. If the uniform pointer turns out the be a SCEVAddRec in an outer loop, the run-time checks generated will be correct (start and end bounds would be equal). In case of the dependence analysis, we work again with SCEVs. When compared against a loop-dependent address of the same underlying object, the difference of the two SCEVs won't be constant. This will result in returning an Unknown dependence for the pair. When compared against another uniform access, the difference would be constant and we should return the right type of dependence (forward/backward/etc). The changes also adds support to query this property of the loop and modify the vectorizer to use this. Patch by Ashutosh Nema! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234361 91177308-0d34-0410-b5e6-96231b3b80d8		2015-04-07 21:46:16 +00:00
..
BBVectorize.cpp	DataLayout is mandatory, update the API to reflect it with references.	2015-03-10 02:37:25 +00:00
CMakeLists.txt	Use ADDITIONAL_HEADER_DIRS in all LLVM CMake projects.	2015-02-11 03:28:02 +00:00
LLVMBuild.txt	Update libdeps since TLI was moved from Target to Analysis in r226078.	2015-01-15 05:21:00 +00:00
LoopVectorize.cpp	[LoopAccesses] Allow analysis to complete in the presence of uniform stores	2015-04-07 21:46:16 +00:00
Makefile
SLPVectorizer.cpp	Opaque Pointer Types: GEP API migrations to specify the gep type explicitly	2015-03-24 22:38:16 +00:00
Vectorize.cpp	[PM] Remove the old 'PassManager.h' header file at the top level of	2015-02-13 10:01:29 +00:00