[PATCH] D23250: Fix jumptable with large code model

[Ramkumar Ramachandra via llvm-commits]

artagnon created this revision.
artagnon added reviewers: eli.friedman, lhames, joerg.
artagnon added a subscriber: llvm-commits.

As the test shows, a simple switch used to emit the undesirable
"movslq (%rax,%rdi,4), %rsi" jumps when `-code-model=Large`.
Emit EK_BlockAddress jumps instead.

https://reviews.llvm.org/D23250

Files:
  lib/CodeGen/SelectionDAG/TargetLowering.cpp
  test/CodeGen/X86/2016-08-07-jumptable-largecodemodel.ll

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