This used to be free, copying and moving DebugLocs became expensive
after the metadata rewrite. Passing by reference eliminates a ton of
track/untrack operations. No functionality change intended.
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It defined the LLVM_AVR_GCC_COMPAT constant, which would enable/disable
certain GCC-specific behaviours.
There is no point conditionally turning it on/off, as it will always be
turned on, and we have to maintain both code paths anyway.
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Many files include Passes.h but only a fraction needs to know about the
TargetPassConfig class. Move it into an own header. Also rename
Passes.cpp to TargetPassConfig.cpp while we are at it.
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Summary:
This patch is provided in preparation for removing autoconf on 1/26. The proposal to remove autoconf on 1/26 was discussed on the llvm-dev thread here: http://lists.llvm.org/pipermail/llvm-dev/2016-January/093875.html
"I felt a great disturbance in the [build system], as if millions of [makefiles] suddenly cried out in terror and were suddenly silenced. I fear something [amazing] has happened."
- Obi Wan Kenobi
Reviewers: chandlerc, grosbach, bob.wilson, tstellarAMD, echristo, whitequark
Subscribers: chfast, simoncook, emaste, jholewinski, tberghammer, jfb, danalbert, srhines, arsenm, dschuff, jyknight, dsanders, joker.eph, llvm-commits
Differential Revision: http://reviews.llvm.org/D16471
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This commit adds the 'AVRMachineFunctionInfo' class, which simply stores
basic properties about generated machine functions.
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Summary:
This adds the core AVR TableGen file, along with the register descriptions.
Lines in AVR.td which require other TableGen files which haven't been committed
yet are commented out.
This is a fairly trivial patch, and should only require a quick review.
I kept the line width smaller than 80 columns, but there are a few exceptions
because I'm not sure how to split a string over several lines.
Reviewers: stoklund
Subscribers: dylanmckay, agnat
Differential Revision: http://reviews.llvm.org/D14684
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This adds part of the target info code, and adds modifications to
the build scripts so that AVR is recognized a supported, experimental
backend.
It does not include any AVR-specific code, just the bare sources required
for a backend to exist.
From D14039.
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