llvm/bcsection.macho.s at cef793e8c72960f537515c02bf41c727ebbc2c32 - llvm - Gitea: Git with a cup of tea

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Peter Collingbourne 394be6c159 LTO: introduce object file-based on-disk module format.

This format is simply a regular object file with the bitcode stored in a
section named ".llvmbc", plus any number of other (non-allocated) sections.

One immediate use case for this is to accommodate compilation processes
which expect the object file to contain metadata in non-allocated sections,
such as the ".go_export" section used by some Go compilers [1], although I
imagine that in the future we could consider compiling parts of the module
(such as large non-inlinable functions) directly into the object file to
improve LTO efficiency.

[1] http://golang.org/doc/install/gccgo#Imports

Differential Revision: http://reviews.llvm.org/D4371

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@218078 91177308-0d34-0410-b5e6-96231b3b80d8

2014-09-18 21:28:49 +00:00

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	`.section .llvmbc,.llvmbc`
	`.incbin "bcsection.bc"`