[PATCH] D31196: [InstCombine] fold insertelement of scalar constant into vector of constants

[Sanjay Patel via Phabricator via llvm-commits]

spatel updated this revision to Diff 92557.
spatel added a comment.

Patch updated as suggested by Eli:
Canonicalize an insert of a constant before an insert of a variable. There was already a test for this (but did nothing before), so I added a comment to explain.


https://reviews.llvm.org/D31196

Files:
  lib/Transforms/InstCombine/InstCombineVectorOps.cpp
  test/Transforms/InstCombine/bitcast-bigendian.ll
  test/Transforms/InstCombine/insert-extract-shuffle.ll
  test/Transforms/InstCombine/vec_demanded_elts.ll
  test/Transforms/InstCombine/vector_insertelt_shuffle.ll

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