[PATCH] D25914: Redo store splitting in CodeGenPrepare

[Wei Mi via Phabricator via llvm-commits]

wmi updated this revision to Diff 79493.
wmi added a comment.

Add tests suggested by Chandler.

1. non-symmetric merges: tests: int31_int17_pair (splitted), int7_int3_pair (splitted).
2. non-power-of-two merged store sizes where type size == store size (i24, i48, etc): tests: int24_int24_pair (splitted), int12_int12_pair (not splitted)
3. non-power-of-two merged store sizes where type size != store size (i14): test: int7_int7_pair (not splitted)


Repository:
  rL LLVM

https://reviews.llvm.org/D25914

Files:
  lib/CodeGen/CodeGenPrepare.cpp
  test/CodeGen/X86/split-store.ll

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