Apply some fixes to cross-language LTO (especially when targeting MSVC)#53031

Merged

bors merged 10 commits intorust-lang:masterfrom

michaelwoerister:cross-lto

Aug 9, 2018

Commits on Aug 7, 2018

Fix outdated description of -Zcross-lang-lto.
michaelwoerister
committed
Fix issue around dllimport and ThinLTO as LLD runs it.
michaelwoerister
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Make sure upstream object files are added to staticlibs when compiling
michaelwoerister
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Run cross-lang-lto tests also for MSVC (since there's no reason not to)
michaelwoerister
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Add test case for omitting dllimport during cross-lang LTO.
michaelwoerister
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Add test case for including upstream object files in staticlibs when doing cross-lang LTO.
michaelwoerister
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Set 'PrepareForThinLTO' whenever doing cross-language LTO.
michaelwoerister
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Annotate functions in LLVM with target-cpu, same as Clang does.
michaelwoerister
committed

Commits on Aug 8, 2018

Address review comments for #53031 and fix some merge fallout.
michaelwoerister
committed

Commits on Aug 9, 2018

Relax the target-cpu-on-function codegen test so it just checks for presence of the attribute.
michaelwoerister
committed