[PATCH] D21330: Loop vectorization with FP induction variables

[Elena Demikhovsky via llvm-commits]

delena created this revision.
delena added reviewers: sanjoy, hfinkel, mkuper, anemet, mzolotukhin.
delena added a subscriber: llvm-commits.
delena set the repository for this revision to rL LLVM.
Herald added subscribers: mzolotukhin, sanjoy.

Handling FP IVs without SCEV. Covered simple cases with constant and loop invariant step.

float *A;
float x = init;
for (int i=0; i < N; ++i) {
    A[i] = x;
    x -= fp_inc;
  }


Repository:
  rL LLVM

http://reviews.llvm.org/D21330

Files:
  include/llvm/Analysis/ScalarEvolution.h
  include/llvm/Transforms/Utils/LoopUtils.h
  lib/Analysis/ScalarEvolutionExpander.cpp
  lib/Transforms/Utils/LoopUtils.cpp
  lib/Transforms/Vectorize/LoopVectorize.cpp
  test/Transforms/LoopVectorize/float-induction.ll

-------------- next part --------------
A non-text attachment was scrubbed...
Name: D21330.60711.patch
Type: text/x-patch
Size: 19211 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20160614/cbb89601/attachment.bin>