4 Commits

Author	SHA1	Message	Date
Sam Parker	60d6fb2a63	[SCEV] Use NoWrapFlags when expanding a simple mul ... Second functional change following on from rL362687. Pass the NoWrapFlags from the MulExpr to InsertBinop when we're generating a shl or mul. Differential Revision: https://reviews.llvm.org/D61934 llvm-svn: 363540	2019-06-17 10:05:18 +00:00
Benjamin Kramer	f1249442cf	Revert "[SCEV] Use wrap flags in InsertBinop" ... This reverts commit r362687. Miscompiles llvm-profdata during selfhost. llvm-svn: 362699	2019-06-06 12:35:46 +00:00
Sam Parker	7cc580f5e9	[SCEV] Use wrap flags in InsertBinop ... If the given SCEVExpr has no (un)signed flags attached to it, transfer these to the resulting instruction or use them to find an existing instruction. Differential Revision: https://reviews.llvm.org/D61934 llvm-svn: 362687	2019-06-06 08:56:26 +00:00
Roman Lebedev	e8578953ac	[LoopIdiom] Basic OptimizationRemarkEmitter handling ... Summary: I'm adding ORE to memset/memcpy formation, with tests, but mainly this is split off from D61144. Reviewers: reames, anemet, thegameg, craig.topper Reviewed By: thegameg Subscribers: llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D62631 llvm-svn: 362092	2019-05-30 13:02:06 +00:00