[PATCH] D159050: [PowerPC] set min jump table entries to 64

[ChenZheng via Phabricator via llvm-commits]

shchenz created this revision.
shchenz added reviewers: nemanjai, ZarkoCA, RolandF, PowerPC.
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This benefits some benchmarks on PPC targets.

And also add a new PPC specific option `-ppc-min-jump-table-entries` to keep the ability to change the setting from the command line. (After calling `setMinimumJumpTableEntries()` on PPC, target independent option `-min-jump-table-entries` does not work.)


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D159050

Files:
  llvm/lib/Target/PowerPC/PPCISelLowering.cpp
  llvm/test/CodeGen/PowerPC/absol-jump-table-enabled.ll
  llvm/test/CodeGen/PowerPC/aix-lower-jump-table.ll
  llvm/test/CodeGen/PowerPC/jump-table.ll
  llvm/test/CodeGen/PowerPC/jump-tables-collapse-rotate.ll
  llvm/test/CodeGen/PowerPC/mcm-5.ll
  llvm/test/CodeGen/PowerPC/p10-spill-crgt.ll
  llvm/test/CodeGen/PowerPC/pcrel-jump-table.ll
  llvm/test/CodeGen/PowerPC/ppc-TOC-stats.ll
  llvm/test/CodeGen/PowerPC/pr22711.ll
  llvm/test/CodeGen/PowerPC/pr33547.ll
  llvm/test/CodeGen/PowerPC/unreachable-mbb-jtreference-elimination.ll

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