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At the same time, fixes InstructionsTest::CastInst unittest: yes
you can leave the IR in an invalid state and exit when you don't
destroy the context (like the global one), no longer now.
This is the first part of http://reviews.llvm.org/D19094
From: Mehdi Amini <mehdi.amini@apple.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@266379 91177308-0d34-0410-b5e6-96231b3b80d8
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Without actually parsing a type it is difficult to perdict where
the type definition ends. In other words, instead of expecting
the user of the parser API to hand over only the relevant bits
of the string being parsed, take the whole string, parse the type,
and get back the number of characters that have been read.
This will be used by the MIR testing infrastructure.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@262884 91177308-0d34-0410-b5e6-96231b3b80d8
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This is useful for MIR serialization. Indeed generic machine instructions
must have a type and we don't want to duplicate the logic in the MIParser.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@262868 91177308-0d34-0410-b5e6-96231b3b80d8
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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
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@258861 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247145 91177308-0d34-0410-b5e6-96231b3b80d8
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This commit extends the 'SlotMapping' structure and includes mappings for named
and numbered types in it. The LLParser is extended accordingly to fill out
those mappings at the end of module parsing.
This information is useful when we want to parse standalone constant values
at a later stage using the 'parseConstantValue' method. The constant values
can be constant expressions, which can contain references to types. In order
to parse such constant values, we have to restore the internal named and
numbered mappings for the types in LLParser, otherwise the parser will report
a parsing error. Therefore, this commit also introduces a new method called
'restoreParsingState' to LLParser, which uses the slot mappings to restore
some of its internal parsing state.
This commit is required to serialize constant value pointers in the machine
memory operands for the MIR format.
Reviewers: Duncan P. N. Exon Smith
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@245740 91177308-0d34-0410-b5e6-96231b3b80d8
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This commit extends the interface provided by the AsmParser library by adding a
function that allows the user to parse a standalone contant value.
This change is useful for MIR serialization, as it will allow the MIR Parser to
parse the constant values in a machine constant pool.
Reviewers: Duncan P. N. Exon Smith
Differential Revision: http://reviews.llvm.org/D10280
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242579 91177308-0d34-0410-b5e6-96231b3b80d8
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mappings publicly accessible.
This commit creates a new structure called 'SlotMapping' in the AsmParser library.
This structure can be passed into the public parsing APIs from the AsmParser library
in order to extract the data structures that map from slot numbers to unnamed global
values and metadata nodes.
This change is useful for MIR Serialization, as the MIR Parser has to lookup the
unnamed global values and metadata nodes by their slot numbers.
Reviewers: Duncan P. N. Exon Smith
Differential Revision: http://reviews.llvm.org/D10551
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240427 91177308-0d34-0410-b5e6-96231b3b80d8
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This commit modifies the memory buffer creation in the AsmParser library so
that it requires a terminating null character. The LLLexer in the AsmParser
library checks for EOF only when it sees a null character, thus it would
be best to require it when creating a memory buffer so that the memory
buffer constructor can verify that a terminating null character is indeed
present.
Reviewers: Duncan P. N. Exon Smith, Matthias Braun
Differential Revision: http://reviews.llvm.org/D9883
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237833 91177308-0d34-0410-b5e6-96231b3b80d8
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