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* Add comment describing what's going on here.Bill Wendling2012-11-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167525 91177308-0d34-0410-b5e6-96231b3b80d8
* When we're updating the subprogram scope DIE, we want to determine if we'reBill Wendling2012-11-07
| | | | | | | | | | | updating an abstract DIE or not. If we are, then we use that. Its children will be added on later, as well as the object pointer attribute. Otherwise, this function may be called with a concrete DIE twice and adding the children and object pointer attribute to it twice. <rdar://problem/12401423&12600340> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167524 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert the majority of the next patch in the address space series:Chandler Carruth2012-11-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | r165941: Resubmit the changes to llvm core to update the functions to support different pointer sizes on a per address space basis. Despite this commit log, this change primarily changed stuff outside of VMCore, and those changes do not carry any tests for correctness (or even plausibility), and we have consistently found questionable or flat out incorrect cases in these changes. Most of them are probably correct, but we need to devise a system that makes it more clear when we have handled the address space concerns correctly, and ideally each pass that gets updated would receive an accompanying test case that exercises that pass specificaly w.r.t. alternate address spaces. However, from this commit, I have retained the new C API entry points. Those were an orthogonal change that probably should have been split apart, but they seem entirely good. In several places the changes were very obvious cleanups with no actual multiple address space code added; these I have not reverted when I spotted them. In a few other places there were merge conflicts due to a cleaner solution being implemented later, often not using address spaces at all. In those cases, I've preserved the new code which isn't address space dependent. This is part of my ongoing effort to clean out the partial address space code which carries high risk and low test coverage, and not likely to be finished before the 3.2 release looms closer. Duncan and I would both like to see the above issues addressed before we return to these changes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167222 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert the series of commits starting with r166578 which introduced theChandler Carruth2012-11-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | getIntPtrType support for multiple address spaces via a pointer type, and also introduced a crasher bug in the constant folder reported in PR14233. These commits also contained several problems that should really be addressed before they are re-committed. I have avoided reverting various cleanups to the DataLayout APIs that are reasonable to have moving forward in order to reduce the amount of churn, and minimize the number of commits that were reverted. I've also manually updated merge conflicts and manually arranged for the getIntPtrType function to stay in DataLayout and to be defined in a plausible way after this revert. Thanks to Duncan for working through this exact strategy with me, and Nick Lewycky for tracking down the really annoying crasher this triggered. (Test case to follow in its own commit.) After discussing with Duncan extensively, and based on a note from Micah, I'm going to continue to back out some more of the more problematic patches in this series in order to ensure we go into the LLVM 3.2 branch with a reasonable story here. I'll send a note to llvmdev explaining what's going on and why. Summary of reverted revisions: r166634: Fix a compiler warning with an unused variable. r166607: Add some cleanup to the DataLayout changes requested by Chandler. r166596: Revert "Back out r166591, not sure why this made it through since I cancelled the command. Bleh, sorry about this! r166591: Delete a directory that wasn't supposed to be checked in yet. r166578: Add in support for getIntPtrType to get the pointer type based on the address space. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167221 91177308-0d34-0410-b5e6-96231b3b80d8
* Replace some instances of UniqueVector with SetVector, which is slightly ↵Benjamin Kramer2012-10-31
| | | | | | | | cheaper. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167116 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix grammar.Bill Wendling2012-10-30
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167029 91177308-0d34-0410-b5e6-96231b3b80d8
* Add some cleanup to the DataLayout changes requested by Chandler.Micah Villmow2012-10-24
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166607 91177308-0d34-0410-b5e6-96231b3b80d8
* Add in support for getIntPtrType to get the pointer type based on the ↵Micah Villmow2012-10-24
| | | | | | | | | | address space. This checkin also adds in some tests that utilize these paths and updates some of the clients. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166578 91177308-0d34-0410-b5e6-96231b3b80d8
* Resubmit the changes to llvm core to update the functions to support ↵Micah Villmow2012-10-15
| | | | | | different pointer sizes on a per address space basis. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165941 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unnecessary classof()'sSean Silva2012-10-11
| | | | | | | isa<> et al. automatically infer when the cast is an upcast (including a self-cast), so these are no longer necessary. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165767 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert 165732 for further review.Micah Villmow2012-10-11
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* Add in the first iteration of support for llvm/clang/lldb to allow variable ↵Micah Villmow2012-10-11
| | | | | | per address space pointer sizes to be optimized correctly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165726 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix up comment to be more clear.Eric Christopher2012-10-08
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* Fixup comment.Eric Christopher2012-10-08
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* Fixup comments.Eric Christopher2012-10-08
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* Move TargetData to DataLayout.Micah Villmow2012-10-08
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165402 91177308-0d34-0410-b5e6-96231b3b80d8
* Update this a bit more to represent how the prologue should work:Eric Christopher2012-10-04
| | | | | | | | | | a) frame setup instructions define the prologue b) we shouldn't change our location mid-stream Add a test to make sure that the stack adjustment stays within the prologue. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165250 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "Don't use a debug location for frame setup instructions in the"Eric Christopher2012-10-02
| | | | | | | This reverts 165055 and 165052 temporarily while I look at debugger failures. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165071 91177308-0d34-0410-b5e6-96231b3b80d8
* 80-col.Eric Christopher2012-10-02
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* Don't use a debug location for frame setup instructions in theEric Christopher2012-10-02
| | | | | | | prologue. Also skip frame setup instructions when looking for the first location. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165052 91177308-0d34-0410-b5e6-96231b3b80d8
* Mark jump tables in code sections with DataRegion directives.Jim Grosbach2012-09-24
| | | | | | | | | Even out-of-line jump tables can be in the code section, so mark them as data-regions for those targets which support the directives. rdar://12362871&12362974 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164571 91177308-0d34-0410-b5e6-96231b3b80d8
* Have the DbgVariable "isArtificial" and "isObjectPointer" notEric Christopher2012-09-21
| | | | | | | | | | | | care about it being an argument variable so that we can decide that captured block and lambda vars that don't happen to be arguments could be an argument pointer. Add the object pointer for one case onto the subprogram die. rdar://12001329 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164419 91177308-0d34-0410-b5e6-96231b3b80d8
* Only emit DW_AT_object_pointer if this is a definition.Eric Christopher2012-09-20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164326 91177308-0d34-0410-b5e6-96231b3b80d8
* Use LLVM_DELETED_FUNCTION in place of 'DO NOT IMPLEMENT' comments.Craig Topper2012-09-15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163974 91177308-0d34-0410-b5e6-96231b3b80d8
* Recommit, with fixes:Eric Christopher2012-09-12
| | | | | | | | | | | Add some support for dealing with an object pointer on arguments. Part of rdar://9797999 which now supports adding the object pointer attribute to the subprogram as it should. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163754 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "Add some support for dealing with an object pointer on arguments."Eric Christopher2012-09-12
| | | | | | This should be done on the subprogram, not the variable itself. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163734 91177308-0d34-0410-b5e6-96231b3b80d8
* Add some support for dealing with an object pointer on arguments.Eric Christopher2012-09-12
| | | | | | Part of rdar://9797999 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163667 91177308-0d34-0410-b5e6-96231b3b80d8
* [ms-inline asm] Split the parsing of IR asm strings into GCC and MS variants.Chad Rosier2012-09-11
| | | | | | | | Add support in the EmitMSInlineAsmStr() function for handling integer consts. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163645 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r160148 it seems to cause more problems than it shouldEric Christopher2012-09-10
| | | | | | right now. We'll fix PR13303 a different way. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163570 91177308-0d34-0410-b5e6-96231b3b80d8
* 80-col fixup.Eric Christopher2012-09-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163569 91177308-0d34-0410-b5e6-96231b3b80d8
* 80-col fixup.Eric Christopher2012-09-10
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* No reason to construct this twice.Eric Christopher2012-09-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163567 91177308-0d34-0410-b5e6-96231b3b80d8
* [ms-inline asm] Properly emit the asm directives when the AsmPrinterVariantChad Rosier2012-09-10
| | | | | | | | and InlineAsmVariant don't match. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163550 91177308-0d34-0410-b5e6-96231b3b80d8
* [ms-inline asm] Pass the correct AsmVariant to the PrintAsmOperand() functionChad Rosier2012-09-10
| | | | | | | | and update the printOperand() function accordingly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163544 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix alignment of .comm and .lcomm on mingw32.Benjamin Kramer2012-09-07
| | | | | | | | 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
* Fix indent.Chad Rosier2012-09-07
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* Update function names to conform to guidelines. No functional change intended.Chad Rosier2012-09-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163401 91177308-0d34-0410-b5e6-96231b3b80d8
* MC: Overhaul handling of .lcommBenjamin Kramer2012-09-07
| | | | | | | | | | | | | - 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
* [ms-inline asm] Use the asm dialect from the MI to set the parser dialect.Chad Rosier2012-09-05
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163273 91177308-0d34-0410-b5e6-96231b3b80d8
* Reorder the comments of EmitExceptionTable.Logan Chien2012-09-05
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* Clean this up slightly, doesn't really fall through.Eric Christopher2012-08-29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162848 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix integer undefined behavior due to signed left shift overflow in LLVM.Richard Smith2012-08-24
| | | | | | | Reviewed offline by chandlerc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162623 91177308-0d34-0410-b5e6-96231b3b80d8
* Use DW_FORM_flag_present to save space in debug information if we'reEric Christopher2012-08-24
| | | | | | | | not in darwin gdb compat mode. Fixes rdar://10975088 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162526 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the DW_AT_MIPS_linkage name attribute when we don't need itEric Christopher2012-08-23
| | | | | | | | | | | output (we're emitting a specification already and the information isn't changing) and we're not in old gdb compat mode. Saves 1% on the debug information for a build of llvm. Fixes rdar://11043421 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162493 91177308-0d34-0410-b5e6-96231b3b80d8
* Turn these two options in to trinary state so that they can beEric Christopher2012-08-23
| | | | | | turned on and off separate from the platform if you're on darwin. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162487 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a flag to DwarfDebug to allow it to communicate whether or notEric Christopher2012-08-23
| | | | | | we're using the darwin old gdb compat mode for emitting dwarf. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162486 91177308-0d34-0410-b5e6-96231b3b80d8
* Typo.Eric Christopher2012-08-23
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162438 91177308-0d34-0410-b5e6-96231b3b80d8
* Only emit the __debug_inlined section if we're trying to be compatibleEric Christopher2012-08-23
| | | | | | | | with older gdbs on darwin. rdar://10975874 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162436 91177308-0d34-0410-b5e6-96231b3b80d8
* Emit pubtypes only when going for darwin gdb compatibility.Eric Christopher2012-08-23
| | | | | | rdar://10393214 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162434 91177308-0d34-0410-b5e6-96231b3b80d8
* Add an option for darwin gdb compatibility.Eric Christopher2012-08-23
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162432 91177308-0d34-0410-b5e6-96231b3b80d8
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