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* Fix for PR14264 cause by commit r167237 which did not take into account aKevin Enderby2012-11-051-1/+3
| | | | | | | | | possible buffer change with a .macro directive. rdar://12637628 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167408 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for generating dwarf debugging info with assembly filesKevin Enderby2012-11-011-2/+19
| | | | | | | | | | | | run through the 'C' preprocessor. That is pick up the file name and line numbers from the cpp hash file line comments for the dwarf file and line numbers tables. rdar://9275556 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167237 91177308-0d34-0410-b5e6-96231b3b80d8
* [ms-inline asm] Add support for the TYPE operator.Chad Rosier2012-10-261-5/+10
| | | | | | | Part of rdar://12576868 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166790 91177308-0d34-0410-b5e6-96231b3b80d8
* [ms-inline asm] Have the target AsmParser create the asmrewrite for the offsetofChad Rosier2012-10-261-6/+0
| | | | | | operator. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166779 91177308-0d34-0410-b5e6-96231b3b80d8
* [ms-inline asm] Add support for creating AsmRewrites in the target specificChad Rosier2012-10-251-25/+8
| | | | | | AsmParser logic. To be used/tested in a subsequent commit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166714 91177308-0d34-0410-b5e6-96231b3b80d8
* [ms-inline asm] Create a register operand, rather than a memory operand when weChad Rosier2012-10-241-2/+2
| | | | | | | | | | | | see the offsetof operator. Previously, we were matching something like MOVrm in the front-end and later matching MOVrr in the back-end. This change makes things more consistent. It also fixes cases where we can't match against a memory operand as the source (test cases coming). Part of rdar://12470317 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166592 91177308-0d34-0410-b5e6-96231b3b80d8
* [ms-inline asm] Add an implementation of the offset operator. This is a followChad Rosier2012-10-231-19/+38
| | | | | | | on patch to r166433. rdar://12470317 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166488 91177308-0d34-0410-b5e6-96231b3b80d8
* [ms-inline-asm] Implement _emit directive (which is roughly equivalent to ↵Eli Friedman2012-10-221-44/+68
| | | | | | | | | | .byte). <rdar://problem/12470345>. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166451 91177308-0d34-0410-b5e6-96231b3b80d8
* [ms-inline asm] Don't rewrite out parts of an inline-asm skipped by .if 0 ↵Eli Friedman2012-10-221-24/+1
| | | | | | | | | | and friends. It's unnecessary and makes the generated assembly less faithful to the original source. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166440 91177308-0d34-0410-b5e6-96231b3b80d8
* [ms-inline asm] Rename AsmOpRewrite to just AsmRewrite to be more generic. ↵Chad Rosier2012-10-201-13/+13
| | | | | | No functional change intended. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166360 91177308-0d34-0410-b5e6-96231b3b80d8
* [ms-inline asm] If the state of the parser is ignore, then don't parse theChad Rosier2012-10-201-2/+25
| | | | | | | | inline assembly. Also make sure the remove the ignored statements from the IR. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166357 91177308-0d34-0410-b5e6-96231b3b80d8
* [ms-inline asm] Continue parsing even when we're in an ignore block.Chad Rosier2012-10-191-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166352 91177308-0d34-0410-b5e6-96231b3b80d8
* [ms-inline asm] Reset the opcode prior to parsing a statement.Chad Rosier2012-10-191-1/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166349 91177308-0d34-0410-b5e6-96231b3b80d8
* [ms-inline asm] Have the TargetParser callback to Sema to determine the size ofChad Rosier2012-10-191-11/+35
| | | | | | | | | a memory operand. Retain this information and then add the sizing directives to the IR. This allows the backend to do proper instruction selection. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166316 91177308-0d34-0410-b5e6-96231b3b80d8
* [ms-inline asm] Add the isParsingInlineAsm() function to the MCAsmTargetParser.Chad Rosier2012-10-191-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166292 91177308-0d34-0410-b5e6-96231b3b80d8
* Pacify -Wnon-virtual-dtor.Nick Lewycky2012-10-191-0/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166270 91177308-0d34-0410-b5e6-96231b3b80d8
* [ms-inline asm] Add a size argument to the LookupInlineAsmIdentifier() callback,Chad Rosier2012-10-181-1/+3
| | | | | | | | which will be used by the asm matcher in the near future. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166222 91177308-0d34-0410-b5e6-96231b3b80d8
* [ms-inline asm] Have the LookupInlineAsmIdentifier() callback function return aChad Rosier2012-10-181-24/+13
| | | | | | | | *NamedDecl. In turn, build the expressions after we're finished parsing the asm. This avoids a crasher if the lookup fails. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166212 91177308-0d34-0410-b5e6-96231b3b80d8
* [ms-inline asm] Move most of the AsmParsing logic in clang back into the MCChad Rosier2012-10-181-18/+201
| | | | | | | | | layer. Add the ParseMSInlineAsm() function, which is the new interface to clang. Also expose the new MCAsmParserSemaCallback interface, which is used by the back-end to do name lookup in Sema. Finally, remove the now defunct APIs introduced in r165946. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166183 91177308-0d34-0410-b5e6-96231b3b80d8
* [ms-inline asm] Add the helper function, isParseringInlineAsm(). To be used ↵Chad Rosier2012-10-161-0/+1
| | | | | | in a future commit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166054 91177308-0d34-0410-b5e6-96231b3b80d8
* [ms-inline asm] If we parsed a statement and the opcode is valid, then it's ↵Chad Rosier2012-10-151-5/+2
| | | | | | an instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165955 91177308-0d34-0410-b5e6-96231b3b80d8
* [ms-inline asm] Add a few new APIs to the AsmParser class in support of MS-StyleChad Rosier2012-10-151-13/+34
| | | | | | | | | | inline assembly. For the time being, these will be called directly by clang. However, in the near future I expect these to be sunk back into the MC layer and more basic APIs (e.g., getClobbers(), getConstraints(), etc.) will be called by clang. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165946 91177308-0d34-0410-b5e6-96231b3b80d8
* [ms-inline asm] Remove the MatchInstruction() function. Previously, this wasChad Rosier2012-10-131-5/+15
| | | | | | | | | | | | | the interface between the front-end and the MC layer when parsing inline assembly. Unfortunately, this is too deep into the parsing stack. Specifically, we're unable to handle target-independent assembly (i.e., assembly directives, labels, etc.). Note the MatchAndEmitInstruction() isn't the correct abstraction either. I'll be exposing target-independent hooks shortly, so this is really just a cleanup. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165858 91177308-0d34-0410-b5e6-96231b3b80d8
* Whitespace.Chad Rosier2012-10-091-3/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165540 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for macro parameters/arguments delimited by spaces,Preston Gurd2012-09-193-25/+133
| | | | | | | | | | | | to improve compatibility with GNU as. Based on a patch by PaX Team. Fixed assertion failures on non-Darwin and added additional test cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164248 91177308-0d34-0410-b5e6-96231b3b80d8
* Support default parameters/arguments for assembler macros.Preston Gurd2012-09-191-7/+31
| | | | | | | | | | This patch is based on the one by PaX Team. Patch by Andy Zhang! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164246 91177308-0d34-0410-b5e6-96231b3b80d8
* Enhance unmatched '.endr' directive error message in assembler.Preston Gurd2012-09-191-1/+1
| | | | | | | | | | The directive can be matched with directives other than '.rept' Patch by Andy Zhang! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164245 91177308-0d34-0410-b5e6-96231b3b80d8
* Use LLVM_DELETED_FUNCTION in place of 'DO NOT IMPLEMENT' comments.Craig Topper2012-09-151-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163970 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix Doxygen issues:Dmitri Gribenko2012-09-141-2/+2
| | | | | | | | | | | * wrap code blocks in \code ... \endcode; * refer to parameter names in paragraphs correctly (\arg is not what most people want -- it starts a new paragraph); * use \param instead of \arg to document parameters in order to be consistent with the rest of the codebase. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163902 91177308-0d34-0410-b5e6-96231b3b80d8
* Assembler: Darwin variables defined via .set are no-dead-strip.Jim Grosbach2012-09-131-3/+8
| | | | | | | | For gas compatibility. rdar://12219394 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163854 91177308-0d34-0410-b5e6-96231b3b80d8
* Release build: guard dump functions withManman Ren2012-09-121-1/+1
| | | | | | | | | "#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)" No functional change. Update r163344. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163679 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove redundant semicolons which are null statements.Dmitri Gribenko2012-09-101-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163547 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix alignment of .comm and .lcomm on mingw32.Benjamin Kramer2012-09-071-2/+4
| | | | | | | | For some reason .lcomm uses byte alignment and .comm log2 alignment so we can't use the same setting for both. Fix this by reintroducing the LCOMM enum. I verified this against mingw's gcc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163420 91177308-0d34-0410-b5e6-96231b3b80d8
* MC: Overhaul handling of .lcommBenjamin Kramer2012-09-071-6/+5
| | | | | | | | | | | | | - Darwin lied about not supporting .lcomm and turned it into zerofill in the asm parser. Push the zerofill-conversion down into macho-specific code. - This makes the tri-state LCOMMType enum superfluous, there are no targets without .lcomm. - Do proper error reporting when trying to use .lcomm with alignment on a target that doesn't support it. - .comm and .lcomm alignment was parsed in bytes on COFF, should be power of 2. - Fixes PR13755 (.lcomm crashes on ELF). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163395 91177308-0d34-0410-b5e6-96231b3b80d8
* Release build: guard dump functions with "ifndef NDEBUG"Manman Ren2012-09-061-0/+2
| | | | | | | No functional change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163344 91177308-0d34-0410-b5e6-96231b3b80d8
* Add virtual keywords for methods that override the base class.Craig Topper2012-08-291-8/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162826 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix macros arguments with an underscore, dot or dollar in them. This is basedRafael Espindola2012-08-211-1/+9
| | | | | | on a patch by Andy/PaX. I added the support for dot and dollar. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162298 91177308-0d34-0410-b5e6-96231b3b80d8
* Make the wording in of the "expected identifier" error in the .macro directiveRafael Espindola2012-08-211-2/+2
| | | | | | | consistent with the other "expected identifier" errors. Extracted from the Andy/PaX patch. I added the test. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162291 91177308-0d34-0410-b5e6-96231b3b80d8
* Use typedefs. Fix indentation. Extracted from the Andy/PaX patch.Rafael Espindola2012-08-211-5/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162283 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unused variable. Extracted from the Andy/PaX patch.Rafael Espindola2012-08-211-2/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162282 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix typo. Extracted from the Andy/PaX patch.Rafael Espindola2012-08-211-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162281 91177308-0d34-0410-b5e6-96231b3b80d8
* Typedefs and indentation fixes from the Andy Zhang/PAX macro argument patch.Rafael Espindola2012-08-081-26/+28
| | | | | | Committing it first as it makes the "real" patch a lot easier to read. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161491 91177308-0d34-0410-b5e6-96231b3b80d8
* Add `.pushsection', `.popsection', and `.previous' directives to Darwin ASM.Bill Wendling2012-08-081-2/+39
| | | | | | | | | | | | | | | | | | | | | There are situations where inline ASM may want to change the section -- for instance, to create a variable in the .data section. However, it cannot do this without (potentially) restoring to the wrong section. E.g.: asm volatile (".section __DATA, __data\n\t" ".globl _fnord\n\t" "_fnord: .quad 1f\n\t" ".text\n\t" "1:" :::); This may be wrong if this is inlined into a function that has a "section" attribute. The user should use `.pushsection' and `.popsection' here instead. The addition of `.previous' is added for completeness. <rdar://problem/12048387> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161477 91177308-0d34-0410-b5e6-96231b3b80d8
* Keep empty assembly macro argument values in the middle of the list.Jim Grosbach2012-07-301-2/+8
| | | | | | | | | | | | | | | | | | | Empty macro arguments at the end of the list should be as-if not specified at all, but those in the middle of the list need to be kept so as not to screw up the positional numbering. E.g.: .macro foo foo_-bash___: nop .endm foo 1, 2, 3, 4 foo 1, , 3, 4 Should create two labels, "foo_1_2_3_4" and "foo_1__3_4". rdar://11948769 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161002 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a typo (the the => the)Sylvestre Ledru2012-07-231-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160621 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove tabs.Bill Wendling2012-07-191-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160475 91177308-0d34-0410-b5e6-96231b3b80d8
* Enable target dependent directive parsing to hook before standard parser inAkira Hatanaka2012-07-051-3/+5
| | | | | | | | | | AsmParser::ParseStatement. Patch by Vladimir Medic. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159768 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement irpc. Extracted from a patch by the PaX team. I just added the test.Rafael Espindola2012-06-161-0/+57
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158604 91177308-0d34-0410-b5e6-96231b3b80d8
* Factor macro argument parsing into helper methods and add support for .irp.Rafael Espindola2012-06-151-30/+115
| | | | | | | Patch extracted from a larger one by the PaX team. I added the testcases and tightened error handling a bit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158523 91177308-0d34-0410-b5e6-96231b3b80d8
* Represent .rept as an anonymous macro. This removes the need for the ActiveReptRafael Espindola2012-06-031-55/+88
| | | | | | | vector. No functionality change. Extracted from a patch by the PaX Team. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157909 91177308-0d34-0410-b5e6-96231b3b80d8
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