[PATCH] D35027: [PowerPC] Reduce register pressure by not materializing a constant just for use as an index register for X-Form loads/stores

[Lei Huang via Phabricator via llvm-commits]

lei updated this revision to Diff 105474.
lei added a comment.

Simplify if statement and update comment to be more clear on the tradeoffs.


https://reviews.llvm.org/D35027

Files:
  lib/Target/PowerPC/PPCISelLowering.cpp
  test/CodeGen/PowerPC/build-vector-tests.ll
  test/CodeGen/PowerPC/ppc64le-smallarg.ll
  test/CodeGen/PowerPC/select-addrRegRegOnly.ll
  test/CodeGen/PowerPC/vsx-partword-int-loads-and-stores.ll

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