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Upgrade to LLVM's 3.7 release branch #27076

Merged
merged 7 commits into from
Jul 17, 2015
Merged

Upgrade to LLVM's 3.7 release branch #27076

merged 7 commits into from
Jul 17, 2015

Commits on Jul 17, 2015

  1. Update LLVM 

    There's a number of goodies in this LLVM update:

* This contains a fix for https://llvm.org/bugs/show_bug.cgi?id=23957
  which should help us bootstrap farther on 32-bit MSVC targets.
* There is better support for writing multiple flavors of archives, allowing us
  to use the built-in LLVM support instead of the system `ar` on all current
  platforms of the compiler.
* A number of other minor bug fixes and performance improvements to unblock
  various other pieces of work.
    @alexcrichton
    alexcrichton committed Jul 17, 2015
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  2. rt: Move personality to functions from their landing pads 

    This is for llvm/cc714e214298cfbf11de65b46de31900d51422cf
    @richo @alexcrichton
    richo authored and alexcrichton committed Jul 17, 2015
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  3. rustc_trans: Update LLVMBuildLandingPad signature 

    The C API of this function changed so it no longer takes a personality function.
A shim was introduced to call the right LLVM function (depending on which
version we're compiled against) to set the personality function on the outer
function.

The compiler only ever sets one personality function for all generated
functions, so this should be equivalent.
    @alexcrichton
    alexcrichton committed Jul 17, 2015
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  4. trans: Add kind to writeArchive 

    Updates our LLVM bindings to be able to write out multiple kinds of archives.
This commit also enables using LLVM instead of the system ar on all current
targets.
    @alexcrichton
    alexcrichton committed Jul 17, 2015
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  5. trans: Clean up handling the LLVM data layout 

    Turns out for OSX our data layout was subtly wrong and the LLVM update must have
exposed this. Instead of fixing this I've removed all data layouts from the
compiler to just use the defaults that LLVM provides for all targets. All data
layouts (and a number of dead modules) are removed from the compiler here.
Custom target specifications can still provide a custom data layout, but it is
now an optional key as the default will be used if one isn't specified.
    @alexcrichton
    alexcrichton committed Jul 17, 2015
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  6. Merge branch 'generic-enum-disr-fix' of https://github.com/michaelwoe… 

    …rister/rust into update-llvm
    @alexcrichton
    alexcrichton committed Jul 17, 2015
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  7. test: Ignore a failing test on LLDB 

    Re-enabling it is tracked in rust-lang#27089
    @alexcrichton
    alexcrichton committed Jul 17, 2015
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