| commit | f4cfc29d86bc803e0f168ef73e2834db1df70f97 | |
| author | Michael Kruse <llvm@meinersbur.de> | |
| Mon, 22 May 2017 15:36:53 +0000 (22 15:36 +0000) | ||
| committer | Michael Kruse <llvm@meinersbur.de> | |
| Mon, 22 May 2017 15:36:53 +0000 (22 15:36 +0000) | ||
| tree | a5c21f88203eeea8a4927c30c210806abcd4cb46 | treesnapshot (tar.gz zip) |
| parent | 5558fde7fd8936783c481fbeedd6fc50a3b615ce | commitdiff |
[CodeGen] Add invalidation of the loop SCEVs after merge block generation.
The SCEVs of loops surrounding the escape users of a merge blocks are
forgotten, so that loop trip counts based on old values can be revoked.
This fixes llvm.org//PR32536
Contributed-by: Baranidharan Mohan <mbdharan@gmail.com>
Differential Revision: https://reviews.llvm.org/D33195
git-svn-id: https://llvm.org/svn/llvm-project/polly/trunk@303561 91177308-0d34-0410-b5e6-96231b3b80d8
The SCEVs of loops surrounding the escape users of a merge blocks are
forgotten, so that loop trip counts based on old values can be revoked.
This fixes llvm.org//PR32536
Contributed-by: Baranidharan Mohan <mbdharan@gmail.com>
Differential Revision: https://reviews.llvm.org/D33195
git-svn-id: https://llvm.org/svn/llvm-project/polly/trunk@303561 91177308-0d34-0410-b5e6-96231b3b80d8
| include/polly/CodeGen/BlockGenerators.h | diffblobblamehistory | |
| lib/CodeGen/BlockGenerators.cpp | diffblobblamehistory | |
| test/Isl/CodeGen/two-scops-in-row-invalidate-scevs.ll | [new file with mode: 0644] | blob |