It doesn't stop or reconfigure the build, though, so the user will see
a broken build that magically succeeds at the next attempt. It is
technically possible to halt the build with a helpful message, and
even to automatically restart the build using the new dependencies as
it we did when llvm-config was used by cmake for learning
dependencies. This is left on the TODO list.
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way we ensure that tablegenned files exist before they are #include'd
by the LLVM Target sublibraries. Required for parallel builds.
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implemented so far) are recognized during legalization, it is easy to fall
back to the default expansion for other shuffles.
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scalar_to_vector. Generate these VDUP nodes during legalization instead
of trying to recognize the pattern during selection.
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target-specific VDUPLANE nodes. This allows the subreg handling for the
quad-register version to be done easily with Pats in the .td file, instead
of with custom code in ARMISelDAGToDAG.cpp.
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specific printer (this only works on x86, for now).
- This makes it possible to do some correctness checking of the parsing and
matching, since we can compare the results of 'as' on the original input, to
those of 'as' on the output from llvm-mc.
- In theory, we could now have an easy ATT -> Intel syntax converter. :)
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friends so that it doesn't match sections like .data.rel.local, which
should not be emitted as section directives.
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mimic the behavior of stdtout, which is line-buffered when the output
is a terminal. This fixes some issues with bugpoint output appearing
being printed out of order.
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need TypePrinting despite being a subclass of Constant. This fixes
compile-time problems especially visible on 403.gcc when -asm-verbose is
enabled.
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TargetAsmInfo. This eliminates a dependency on TargetMachine.h from
TargetRegistry.h, which technically was a layering violation.
- Clients probably can only sensibly pass in the same TargetAsmInfo as the
TargetMachine has, but there are only limited clients of this API.
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unbuffered. std::ostream does its own buffering, and std::string and
SmallVector both have allocation strategies intended to handle frequent
appending.
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needs of the underlying output mechanism. raw_fd_ostream now uses
st_blksize from fstat to determine a buffer size.
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