[PATCH] D153774: [ARM] Generate out-of-line jump tables for XO without 32-bit branch

[John Brawn via Phabricator via llvm-commits]

john.brawn created this revision.
john.brawn added reviewers: stuij, keith.walker.arm, simonwallis2, t.p.northover.
Herald added subscribers: hiraditya, kristof.beyls.
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When we only have a 16-bit pc-relative branch instruction we generate a table of address for a jump table. Currently this is placed inline, but this won't work with execute-only memory. In this case generate the jump table out-of-line.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D153774

Files:
  llvm/lib/Target/ARM/ARMConstantIslandPass.cpp
  llvm/lib/Target/ARM/ARMExpandPseudoInsts.cpp
  llvm/lib/Target/ARM/ARMISelLowering.cpp
  llvm/test/CodeGen/ARM/execute-only.ll

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