3 Commits

Author	SHA1	Message	Date
Philip Pfaffe	c5802c17b7	[DA][NewPM] Add a printerpass and port the testsuite ... The new-pm version of DA is untested. Testing requires a printer, so add that and use it in the existing DA tests. Differential Revision: https://reviews.llvm.org/D56386 llvm-svn: 350624	2019-01-08 14:06:58 +00:00
David Green	e74f29c6a3	[DA] Enable -da-delinearize by default ... This enables da-delinearize in Dependence Analysis for delinearizing array accesses into multiple dimensions. This can help to increase the power of Dependence analysis on multi-dimensional arrays and prevent having to fall back to the slower and less accurate MIV tests. It adds static checks on the bounds of the arrays to ensure that one dimension doesn't overflow into another, and brings our code in line with our tests. Differential Revision: https://reviews.llvm.org/D45872 llvm-svn: 335217	2018-06-21 11:53:16 +00:00
Matthew Simpson	20d778fe99	[SCEV] Consistently Handle Expressions That Cannot Be Divided ... This patch addresses the issue of SCEV division asserting on some input expressions (e.g., non-affine expressions) and quietly giving up on others. When giving up, we set the quotient to be equal to zero and the remainder to be equal to the numerator. With this patch, we always quietly give up when we cannot perform the division. This patch also adds a test case for DependenceAnalysis that previously caused an assertion. Differential Revision: http://reviews.llvm.org/D11725 llvm-svn: 247314	2015-09-10 18:12:47 +00:00