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Backport fixes to LLVM 4.0 ARM codegen bugs 

So ARM had quite a few codegen bugs on LLVM 4.0 which are fixed on LLVM
trunk. This backports 5 of them:
r297871 - ARM: avoid clobbering register in v6 jump-table expansion.
    - fixes rust-lang/rust#42248
r294949 - [Thumb-1] TBB generation: spot redefinitions of index
r295816 - [ARM] Fix constant islands pass.
r300870 - [Thumb-1] Fix corner cases for compressed jump tables
r302650 - [IfConversion] Add missing check in
IfConversion/canFallThroughTo
    - unblocks rust-lang/rust#39409
This commit is contained in:
Ariel Ben-Yehuda 2017-06-18 19:01:34 +03:00
parent ff9f2d2ae9
commit 207951b169
2 changed files with 2 additions and 2 deletions
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src/llvm

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Subproject commit ee545e1d13e6f2191572aebcadb7d1640ce45c65
Subproject commit 5415ff0264c134152cca65ae8f5d50b356d61162

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src/rustllvm/llvm-rebuild-trigger
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# If this file is modified, then llvm will be (optionally) cleaned and then rebuilt.
# The actual contents of this file do not matter, but to trigger a change on the
# build bots then the contents should be changed so git updates the mtime.
2017-06-03
2017-06-18