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* Fix an unsafe use of Twine.Benjamin Kramer2011-11-071-5/+4
| | | | llvm-svn: 143962
* Constant expression evaluation: support for arrays.Richard Smith2011-11-073-35/+173
| | | | llvm-svn: 143922
* Rip out one of the features I added for the driver-include-management.Chandler Carruth2011-11-072-16/+5
| | | | | | | | | | | | | | | | We don't actually need a separate flag for non-sysrooted paths as the driver has to manage the sysroot anyways. The driver is not infrequently adding paths to the header search based on their existence on the filesystem. For that, it has to add the sysroot anyways, we should pass it on down to CC1 already joined. More importantly, the driver cannot in all cases distinguish between sysrooted paths and paths that are relative to the Clang binary's installation directory. Essentially, we always need to ignore the system root for these internal header search options. It turns out in most of the places we were already providing the system root in the driver, and then another one in CC1 so this fixes several bugs. llvm-svn: 143917
* Fix Linux libc++ usage. Somehow this slipped through during the port.Chandler Carruth2011-11-071-0/+8
| | | | | | | Test cases for this and all the rest of the port are still in the works, but will wait for a fixed computer and post 3.0 merging... llvm-svn: 143916
* Fix 32-bit build bots and remove some casting-away-const warnings.Richard Smith2011-11-071-2/+6
| | | | llvm-svn: 143914
* Rip out CK_GetObjCProperty.John McCall2011-11-0712-54/+1
| | | | llvm-svn: 143910
* Constant expression evaluation: preserve subobject designator when flattening aRichard Smith2011-11-072-46/+133
| | | | | | core constant value down to an APValue. llvm-svn: 143909
* Rip the ObjCPropertyRef l-value kind out of IR-generation.John McCall2011-11-077-258/+23
| | | | llvm-svn: 143908
* Remove duplicate word & unnecessary conditional.David Blaikie2011-11-071-3/+2
| | | | llvm-svn: 143907
* Allow constexpr variables' initializers to be folded in C++11 mode. ThisRichard Smith2011-11-071-2/+4
| | | | | | | | partially undoes the revert in r143491, but does not introduce any new instances of the underlying issue (which is not yet fixed) in code which does not use the 'constexpr' keyword. llvm-svn: 143905
* Begin lifting some of the one-off checking logic into generic helperChandler Carruth2011-11-062-5/+18
| | | | | | routines on the base toolchain class. llvm-svn: 143900
* Move the GCC installation detection logic down into the Generic_GCCChandler Carruth2011-11-062-317/+318
| | | | | | | | | | toolchain. The logic is mostly generic already, and where possible should be made more generic. Also, it has no impact other than to expose a set of methods which each toolchain can then query to setup their desired configuration. These should be available to toolchains beyond just Linux. llvm-svn: 143899
* Remove an old OpenSUSE hack that is no longer needed -- it is exactlyChandler Carruth2011-11-061-5/+0
| | | | | | the same as a directory added further down in the new logic. llvm-svn: 143897
* Remove the HasMultilib check. It was essentially useless. The driver nowChandler Carruth2011-11-061-43/+25
| | | | | | | looks for evidence of a multilib installation, and adds the appropriate bits to the search paths. llvm-svn: 143896
* Correcting grammar.David Blaikie2011-11-061-1/+1
| | | | llvm-svn: 143894
* Use StringRef's case transformation methods.Benjamin Kramer2011-11-061-3/+2
| | | | llvm-svn: 143889
* [arcmt] In GC, error for __strong/__weak on non-objc pointers.Argyrios Kyrtzidis2011-11-061-0/+18
| | | | llvm-svn: 143887
* [arcmt] In GC, clear redundant __strong's.Argyrios Kyrtzidis2011-11-062-8/+34
| | | | llvm-svn: 143886
* Make sure when setting AttributesAsWritten of a property that they do notArgyrios Kyrtzidis2011-11-061-4/+9
| | | | | | include ownership qualifiers from the type. llvm-svn: 143885
* [arcmt] Make PropertiesRewriter::getPropertyType return the unqualified type.Argyrios Kyrtzidis2011-11-061-4/+3
| | | | llvm-svn: 143884
* [arcmt] Collect all the places where GC attributes __strong/__weak occur.Argyrios Kyrtzidis2011-11-066-6/+224
| | | | llvm-svn: 143883
* [arcmt] Refactor PropertiesRewriter to use MigrationContext.Argyrios Kyrtzidis2011-11-063-4/+35
| | | | llvm-svn: 143882
* The version objects need to actually store the version strings; theyChandler Carruth2011-11-062-6/+6
| | | | | | aren't guaranteed to live long enough otherwise. llvm-svn: 143875
* Throw the switch and move all Linux header search over to the GCCChandler Carruth2011-11-061-334/+48
| | | | | | | | | | | | | | | | | | | | detection system that is providing the library paths and crt object files. This, modulo any bugs that need to be shaken out, resolves numerous bugs with how we handle header paths. Here are a few that I know of: - We no longer need to enumerate all GCC versions searched. - OpenSUSE searched GCC versions in the wrong order. - There were typos when selecting various patterns, etc. - We aren't stating quite some many directories now. - SysRoot didn't always work in a reasonable way. I'm working on tests for this, but the tests are making me and Lit sad. The real testing for this type of driver change is to try it out on various distributions. I'll hit the common ones right away, and start more thorough testing tomorrow after some sleep. llvm-svn: 143874
* Add a missing triple spotted by inspecting and testing of the includeChandler Carruth2011-11-061-1/+2
| | | | | | path triples. Also order the 32-bit triples a bit more reasonably. llvm-svn: 143873
* Unbreak gcc build.Benjamin Kramer2011-11-061-1/+1
| | | | | | For some reason clang and msvc accept this, but gcc doesn't. llvm-svn: 143872
* Lift the GCCVersion type into the header file and start persisting it inChandler Carruth2011-11-062-84/+93
| | | | | | | the detected GCC installation. This allows us to expose another aspect of what we detected: the GCC version. This will be used shortly. llvm-svn: 143871
* Make format string 64 bit safe.Benjamin Kramer2011-11-061-1/+1
| | | | llvm-svn: 143870
* Switch some of these interfaces from std::string to StringRef and Twine.Chandler Carruth2011-11-062-8/+7
| | | | | | This will facilitate further use and recombinations of them. llvm-svn: 143869
* Change the AST representation of operations on Objective-CJohn McCall2011-11-0630-650/+1456
| | | | | | | | | | | | | | | | | | | | | | | | | | | | property references to use a new PseudoObjectExpr expression which pairs a syntactic form of the expression with a set of semantic expressions implementing it. This should significantly reduce the complexity required elsewhere in the compiler to deal with these kinds of expressions (e.g. IR generation's special l-value kind, the static analyzer's Message abstraction), at the lower cost of specifically dealing with the odd AST structure of these expressions. It should also greatly simplify efforts to implement similar language features in the future, most notably Managed C++'s properties and indexed properties. Most of the effort here is in dealing with the various clients of the AST. I've gone ahead and simplified the ObjC rewriter's use of properties; other clients, like IR-gen and the static analyzer, have all the old complexity *and* all the new complexity, at least temporarily. Many thanks to Ted for writing and advising on the necessary changes to the static analyzer. I've xfailed a small diagnostics regression in the static analyzer at Ted's request. llvm-svn: 143867
* Take a better approach to detecting and selecting multiarch includeChandler Carruth2011-11-061-14/+35
| | | | | | | | directories. This way we stop at the first multiarch directory found on the system. This achieves the real intended result of pruning non-existent directories. llvm-svn: 143866
* Revert r143864, as the problem I was actually looking at can be solvedChandler Carruth2011-11-061-12/+0
| | | | | | | | | | | | | | | | | | | | a better way. The more I think about it the more worried I am that this hammer is simply too large. We should only be reaching out to the filesystem when doing interesting "detection" things, not gratuitously. Original commit message: Start pruning down the set of flags passed to CC1 for header search. This cleans up the CC1 invocations, and reduces the overhead there. We're still hammering the filesystem looking for the C++ standard libraries though. The only reservation I have about this policy is the case of virtualized files inside of CC1, but it's not clear what the best way to solve that is. The Driver consistently queries the actual filesystem to make its decisions. Changing that would be a very large undertaking. It might be worthwhile, but it's not an immediate goal. llvm-svn: 143865
* Start pruning down the set of flags passed to CC1 for header search.Chandler Carruth2011-11-061-0/+12
| | | | | | | | | | | | | | This cleans up the CC1 invocations, and reduces the overhead there. We're still hammering the filesystem looking for the C++ standard libraries though. The only reservation I have about this policy is the case of virtualized files inside of CC1, but it's not clear what the best way to solve that is. The Driver consistently queries the actual filesystem to make its decisions. Changing that would be a very large undertaking. It might be worthwhile, but it's not an immediate goal. llvm-svn: 143864
* Fixing -g break caused by a dead reference to a temporary introduced in r143732.David Blaikie2011-11-061-1/+1
| | | | llvm-svn: 143856
* Add the depfile as a result file so that it is deleted if we crash,Peter Collingbourne2011-11-063-5/+13
| | | | | | and prevent the diagnostic preprocessor run from writing a depfile. llvm-svn: 143846
* Enhance the GCC version parsing and comparison logic to handle some moreChandler Carruth2011-11-051-18/+62
| | | | | | | | | | | | | | | | | | | | | | | | | | edge cases and have better behavior. Specifically, we should actually prefer the general '4.6' version string over the '4.6.1' string, as '4.6.2' should be able to replace it without breaking rpaths or any other place that these paths have been embedded. Debian-based distributions are already using a path structure with symlinks to achieve in-place upgrades for patch versions. Now our parsing reflects this and we select the shorter paths instead of the longer paths. A separate issue was that we would not parse a leading patch version number even in the presence of a suffix. The above change makes this more problematic as it would cause a suffix being added to make us treat the entire thing as patch-version-agnostic, which it isn't. This changes the logic to distinguish between '4.4.x' and 4.4.1-x', and retain that the latter has *some* patch number information. Currently, we always bias toward the shorter and more canonical version strings. If it becomes important we can add more Debian like rules to produce sequences such as '4.4.1b' > '4.4.1' > '4.4.1-rc3' > '4.4.1-rc2' > '4.4.1-pre5', but I'm very doubtful this will ever matter or be desirable. I've made the tests for this logic a bit more interesting, and added some specific tests for logic that is now different. llvm-svn: 143841
* Remove a pointless member. I have no idea why I made this not a localChandler Carruth2011-11-052-4/+2
| | | | | | | | variable to begin with... As I'm planning to add include root information to this object, this would have caused confusion. It didn't even *actually* hold the include root by the time we were done with it. llvm-svn: 143840
* Remove a no-longer needed helper function. Thanks for implementing thisChandler Carruth2011-11-051-12/+4
| | | | | | Michael! llvm-svn: 143839
* Move the GCC installation detection helper a member of the LinuxChandler Carruth2011-11-052-236/+249
| | | | | | | | | | | | | | toolchain instead of merely using it in the constructor. This will allow us to query it when building include paths as well as the file search paths built in the constructor. I've lifted as little of it as I could into the header file. Eventually this will likely sink down into some of the Generic toolchains and be used on more platforms, but I'm starting on Linux so I can work out all the APIs needed there, where it is easiest to test and we have the most pressing need. llvm-svn: 143838
* Remove support for Gentoo subversion-ebuild installed llvm-gcc libstdc++Chandler Carruth2011-11-051-9/+0
| | | | | | | | | headers. As llvm-gcc is dead, and I have no idea if this ever really worked, I think it's time for it to go. More importantly, it makes it harder to generalize the include search logic. If someone really wants these to work, they can set the CPLUS_INCLUDE_PATH environment variable. llvm-svn: 143836
* Move the Linux header searching from the Frontend to the Driver. This isChandler Carruth2011-11-054-296/+471
| | | | | | | | | | | | | | | | the first (and diff-noisiest) step to making Linux header searching tremendously more principled and less brittle. Note that this step should have essentially no functional impact. We still search the exact same set of paths in the exact same order. The only change here is where the code implementing such a search lives. This has one obvious negative impact -- we now pass a ludicrous number of flags to the CC1 layer. That should go away as I re-base this logic on the logic to detect a GCC installation. I want to do this in two phases so the bots can tell me if this step alone breaks something, and so that the diffs of the refactoring make more sense. llvm-svn: 143822
* Try to reduce the nastiness that creeps in through Windows.h a bit.Benjamin Kramer2011-11-051-3/+3
| | | | llvm-svn: 143816
* [driver] If we're only linking, don't warn about unused arguments which areChad Rosier2011-11-051-2/+3
| | | | | | | obviously only used during compilation. rdar://10386708 llvm-svn: 143813
* Fix a significant oversight in my move of MSVC includes to the driver:Chandler Carruth2011-11-052-4/+26
| | | | | | | | | | | | | | | | | | | | | | | | actually manage the builtin header file includes as well as the system ones. This one is actually debatable whether it belongs in the driver or not, as the builtin includes are really an internal bit of implementation goop for Clang. However, they must be included at *exactly* the right point in the sequence of header files, which makes it essentially impossible to have this be managed by the Frontend and the rest by the Driver. I have terrible ideas that would "work", but I think they're worse than putting this in the driver and making the Frontend library even more ignorant of the environment and system on which it is being run. Also fix the fact that we weren't properly respecting the flags which suppress standard system include directories. Note that this still leaves all of the Clang tests which run CC1 directly and include builtin header files broken on Windows. I'm working on a followup patch to address that. llvm-svn: 143801
* Now that we have a portable 64 bit format string use it to make this simple ↵Benjamin Kramer2011-11-051-2/+1
| | | | | | again. llvm-svn: 143800
* Add two flags to the CC1 layer that I was hoping to avoid. We need toChandler Carruth2011-11-053-8/+23
| | | | | | | | | | | | | | | | | | | | encode the *exact* semantics which the header search paths internally built by the Frontend layer have had, which is both non-user-provided, and at times adding the implicit extern "C" bit to the directory entry. There are lots of CC1 options that are very close, but none do quite this, and they are all already overloaded for other purposes. In some senses this makes the command lines more clean as it clearly indicates which flags are exclusively used to implement internal detection of "standard" header search paths. Lots of the implementation of this is really crufty, due to the surrounding cruft. It doesn't seem worth investing lots of time cleaning this up as it isn't new, and hopefully *lots* of this code will melt away as header search inside of the frontend becomes increasingly trivial. llvm-svn: 143798
* Tweak LookThroughStmt() in LiveVariables to properly look through ↵Ted Kremenek2011-11-051-4/+9
| | | | | | alternativing ParenExprs and OpaqueValueExprs. Thanks to Anna and Argiris for iterating on this function. My original patch embarssingly didn't even pass the Clang tests. llvm-svn: 143797
* LookThroughStmt GM release.Argyrios Kyrtzidis2011-11-051-2/+2
| | | | llvm-svn: 143796
* LookThroughStmt v4.6.3Argyrios Kyrtzidis2011-11-051-1/+1
| | | | llvm-svn: 143795
* Simplify LookThroughStmt in LiveVariables.cppArgyrios Kyrtzidis2011-11-051-12/+4
| | | | llvm-svn: 143794
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