[PATCH] D41369: [PowerPC] Fix for PR35688 - handle out-of-range values for r+r to r+i conversion

[Nemanja Ivanovic via Phabricator via llvm-commits]

nemanjai created this revision.
nemanjai added reviewers: bkramer, hfinkel, echristo, power-llvm-team.
Herald added a subscriber: kbarton.

Revision 320791 introduced a pass that transforms reg+reg instructions to reg+imm if they're fed by "load immediate". However, it didn't handle out-of-range shifts correctly as reported in PR35688. This patch fixes that and therefore the PR.


Repository:
  rL LLVM

https://reviews.llvm.org/D41369

Files:
  lib/Target/PowerPC/PPCInstrInfo.cpp
  lib/Target/PowerPC/PPCInstrInfo.h
  lib/Target/PowerPC/PPCMIPeephole.cpp
  lib/Target/PowerPC/PPCPreEmitPeephole.cpp
  test/CodeGen/PowerPC/convert-rr-to-ri-instrs-out-of-range.mir
  test/CodeGen/PowerPC/pr35688.ll

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