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2 Commits

Author SHA1 Message Date
Tim Northover 7ff3d073b5 IR: print value numbers for unnamed function arguments 
For consistency with normal instructions and clarity when reading IR,
it's best to print the %0, %1, ... names of function arguments in
definitions.

Also modifies the parser to accept IR in that form for obvious reasons.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@367755 91177308-0d34-0410-b5e6-96231b3b80d8
 2019-08-03 14:28:34 +00:00
Saleem Abdulrasool 667d4f4107 MergeFunc: preserve COMDAT information when creating a thunk 
We would previously drop the COMDAT on the thunk we generated when replacing a
function body with the forwarding thunk. This would result in a function that
may have been multiply emitted and multiply merged to be emitted with the same
name without the COMDAT. This is a hard error with PE/COFF where the COMDAT is
used for the deduplication of Value Witness functions for Swift.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@358728 91177308-0d34-0410-b5e6-96231b3b80d8
 2019-04-19 01:48:36 +00:00