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Simplify instruction records by adding concept of a forward type reference
map that maps ValueID's to types. Used to generate forward reference types
for instruction arguments that need a type because the forward reference
has not yet been generated.
BUG= https://code.google.com/p/nativeclient/issues/detail?id=3507
R=jvoung@chromium.org, mseaborn@chromium.org
Review URL: https://codereview.chromium.org/16963004
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Currently, the triple that gets put into pexes is
"armv7-none-linux-gnueabi". This is a wart that we don't want to
keep. We can remove the triple entirely; PNaCl doesn't need it.
We don't need to add a triple back at read time: (pnacl-)llc tells the
backend explicitly what target to use.
I'm leaving MODULE_CODE_TRIPLE defined in the enum for now because
pnacl-bcanalyzer still refers to it.
BUG=https://code.google.com/p/nativeclient/issues/detail?id=3505
TEST=PNaCl toolchain trybots + GCC torture tests + Spec2k
Review URL: https://codereview.chromium.org/17321009
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Remove support for reading and writing the PARAMATTR_BLOCK_ID and
PARAMATTR_GROUP_BLOCK_ID blocks.
These blocks will no longer be written into pexes. While PNaCl
doesn't allow function attributes on normal functions,
Function::Create() always inserts them back on intrinsics, so
previously the PARAMATTR blocks were being written into pexes.
Remove paramattr fields from two record types:
* MODULE_CODE_FUNCTION records (function declarations). Also remove
the fields that follow paramattr, which PNaCl also does not use.
* FUNC_CODE_INST_CALL (function calls).
BUG=https://code.google.com/p/nativeclient/issues/detail?id=3506
TEST=PNaCl toolchain trybots + GCC torture tests + Spec2k
Review URL: https://codereview.chromium.org/17419013
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BUG= https://code.google.com/p/nativeclient/issues/detail?id=3405
R=dschuff@chromium.org
Review URL: https://codereview.chromium.org/15907008
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[1] Explicitly enumerate all abbreviation values, including the
maximum abbreviation for each type of block.
[2] Make "enter subblock" calculate number of bits needed by passing
in maximum abbreviation (associated with block) rather than requiring
the developer to compute this value every time a subblock is entered.
*NOTE* This code changes encoding sizes to be based on
the maximum allowed value, rather than requiring the
developer to calculate out the number of bits needed. This
change doesn't make the PNaCL bitcode files
incompatable with LLVM bitcode files, since it does
not effect the bitcode reader.
BUG= https://code.google.com/p/nativeclient/issues/detail?id=3405
R=jvoung@chromium.org
Review URL: https://codereview.chromium.org/14813032
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Copy classes for LLVM BitcodeReader into a NaCl subdirectory, to create a wire
format version. Renames classes/functions to include NaCl prefix, so that
they don't conflict with the LLVM Bitcode reader.
Also implements pnacl-thaw, showing that we can read the PNaCl wire format
files.
BUG= https://code.google.com/p/nativeclient/issues/detail?id=3405
R=jvoung@chromium.org
Review URL: https://codereview.chromium.org/14314016
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