[PATCH] D91518: [LV][NFC-ish] Allow vector widths over 256 elements
Simon Moll via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Nov 16 00:41:06 PST 2020
simoll created this revision.
simoll added reviewers: fhahn, k-ishizaka, kaz7.
Herald added subscribers: llvm-commits, hiraditya.
Herald added a project: LLVM.
simoll requested review of this revision.
The assertion that vector widths are <= 256 elements was hard wired in the LV code. Remove that - this is an NFC for non-asserting builds.
Eg, VE allows for vectors up to 512 elements.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D91518
Files:
llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
Index: llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
===================================================================
--- llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
+++ llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
@@ -5349,8 +5349,6 @@
LLVM_DEBUG(dbgs() << "LV: The Widest register safe to use is: "
<< WidestRegister << " bits.\n");
- assert(MaxVectorSize <= 256 && "Did not expect to pack so many elements"
- " into one vector!");
if (MaxVectorSize == 0) {
LLVM_DEBUG(dbgs() << "LV: The target has no vector registers.\n");
MaxVectorSize = 1;
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