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2012-11-15Simplify code. No functionality change.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168047 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-15Use empty parens for empty function parameter list instead of '(void)'.Dmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168041 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-15Make -ffp-contract a codegen option, rather than a laguage option. This makesLang Hames
more sense anyway - it determines how expressions are codegen'd. It also ensures that -ffp-contract=fast has the intended effect when compiling LLVM IR. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168027 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14When evaluating variably modified types for function parameters, dig out theEli Friedman
type as written from the ParmVarDecl; it's unclear whether the standard (C99 6.9.1p10) requires this, but we're following the precedent set by gcc, and hopefully nobody will ever ask about this again. PR9559 / <rdar://problem/12621983>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167985 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14The ObjC++-to-C++ personality trick is only necessary on NeXT runtimes,John McCall
which is not coincidentally the only place it works, either (because of how it tests for EH_TYPE symbols). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167935 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14fixes a buildbot failure.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167934 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14Fix 80-column violation.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167932 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14objective-C blocks: Provide layout map for byrefFariborz Jahanian
variables captured in a block. // rdar://12184410 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167931 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14Move some GNUStep-specific code out of CGObjCGNU.John McCall
Patch by Jonathan Schleifer. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167925 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13Revert "Use the 'count' attribute instead of the 'upper_bound' attribute."Eric Christopher
temporarily since it breaks the gdb bots. This reverts commit r167807/30305bec25cac981c6d4a3b8be004401310a82a7. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167887 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13Use the 'count' attribute instead of the 'upper_bound' attribute.Bill Wendling
If we have a type 'int a[1]' and a type 'int b[0]', the generated DWARF is the same for both of them because we use the 'upper_bound' attribute. Instead use the 'count' attrbute, which gives the correct number of elements in the array. <rdar://problem/12566646> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167807 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13Fix IR generation for bool on PPC (and any other target where bool is not 8 ↵Eli Friedman
bits in memory). PR11777. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167802 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-10objective-C blocks: Change BLOCK_HAS_EXTENDED_LAYOUT to be 1<<31.Fariborz Jahanian
lower 24bit is currently being used. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167678 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-09Turn FrontendInputFile into an immutable class and have it also acceptArgyrios Kyrtzidis
a memory buffer instead of only a filename. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167627 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-09Implement -mstrict-align using '-backend-option -arm-strict-align' as this savesChad Rosier
us from having to make any backend changes. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167623 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-09[driver] Add a -mstrict-align compiler option for ARM targets.Chad Rosier
rdar://12340498 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167619 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-07When deciding whether to convert an array construction loop into a memcpy, lookRichard Smith
at whether the *selected* constructor would be trivial rather than considering whether the array's element type has *any* non-trivial constructors of the relevant kind. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167562 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-07objective-C blocks: bring back the CharUnit patch forFariborz Jahanian
captured block variable layout meta-data. No intended change in functionality. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167549 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-07Fix the Objective-C exception rethrow from cleanups (GNU runtimes). Note thatDavid Chisnall
a bug in the inliner still causes the wrong thing to happen at -O2 and above (PR14116). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167534 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-06Put something sane in the DWARF offset field for bitfield ObjC ivars.Eli Friedman
This is useful because unnamed bitfields can have effects on the offsets which are not otherwise reflected in the DWARF information. <rdar://problem/12629719> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167503 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-06Implement codegen for init_priority attribute properly - make sure itAnton Korobeynikov
works between the modules. No functionality change on Darwin/Windows. This fixes PR11480. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167496 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-06Back out 167431+167437+167487; I didn't realize how incomplete our testEli Friedman
coverage of this code is. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167495 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-06Fix a silly mistake in r167437.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167487 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-06Cleanup: 80-column violationManman Ren
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167476 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-06ARM byval: when type alignment is bigger than ABI alignment, instead ofManman Ren
disabling byval, we set realign to true. It will perform an aligned alloca, and call memcpy to copy the byval argument to the local variable. Change the size threshold back to 64 bytes. rdar://12596507 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167440 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-06Propagate CharUnits through CGObjCMac.cpp.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167437 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-06Minor fix to ObjC layout bitmap metadata. Found while I was trying toEli Friedman
refactor the code. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167436 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-06Classify the INT_MIN/-1 check as -fsanitize=signed-integer-overflow, not as ↵Richard Smith
-fsanitize=divide-by-zero. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167433 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-06Propagate CharUnits into ObjC CodeGen. No intended functional change.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167431 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-05Have the parser initialize Sema before it consumes the firstDouglas Gregor
token. This is important because the first token could actually be after an #include that triggers a module import, which might use either Sema or the AST consumer before it would have been initialized. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167423 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-05ARM byval: when type alignment is bigger than ABI alignment, we can't guaranteeManman Ren
the type alignment of the byval argument. This patch will disable byval in this case, it also increases the size threshold for turning on byval. A backend fix will be attempted. rdar://12596507 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167416 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-05Use the individual -fsanitize=<...> arguments to control which of the UBSanRichard Smith
checks to enable. Remove frontend support for -fcatch-undefined-behavior, -faddress-sanitizer and -fthread-sanitizer now that they don't do anything. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167413 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-05Rename LangOptions members for address sanitizer and thread sanitizer fromRichard Smith
*Sanitizer to Sanitize* in preparation for later patches. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167405 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-05On PowerPC64, integer arguments and return values need to be sign- orUlrich Weigand
zero-extended to 64 bits. This information is currently provided to the back end by setting "signext" or "zeroext" attributes. However, this is done only for integer types *smaller* than i32, not for i32 itself. This causes clang to generate code violating the ABI, which results in a failure of the tramp3d-v4 test case (due to calling a system library routine without ABI-required extension). This patch implements custom versions of classifyArgumentType and classifyReturnType for PPC64_SVR4_ABIInfo, which are the same as the default versions except that they also classify "int" and "unsigned int" as types needing extending. This fixed tramp3d-v4 on PowerPC64. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167393 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-04Fixes liftime of captured block variables in mrr mode, per John's feedback, asFariborz Jahanian
well as couple of tests which were not being excercised because of TYPOs. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167374 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-02Emit debug info for C++ struct definitions as DW_TAG_structure_type (instead ↵David Blaikie
of class_type). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167336 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-02objective-C mrr block. Block variable layout metadata inFariborz Jahanian
mrr mode. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167331 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-02Fix debug tag type of forward declarations of struct/class in C++.David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167308 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-01Update the front end to use minsize attributeQuentin Colombet
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167266 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-01Simplify: replace getContext().getLangOpts() with just getLangOpts().Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167261 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-01Clean up misapplication of diff.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167260 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-01Split emission of -ftrapv checks and -fcatch-undefined-behavior checks intoRichard Smith
separate functions, since they share essentially no code. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167259 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-01Remove divison-by-zero checks from -ftrapv. These checks were incompatible withRichard Smith
g++'s -ftrapv, failed to call the -ftrapv overflow handler, and are still available under -fcatch-undefined-behavior. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167258 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-01Silence -Wformat on platforms where uint64_t is unsigned long.Matt Beaumont-Gay
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167249 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-01objective-C block meta-data. This patch completes meta-dataFariborz Jahanian
generation for captured block variables in arc mode. This includes inlined version of the meta-data when it can be done. It also includes severat tests. This is wip. // rdar://12184410. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167241 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-01-fcatch-undefined-behavior: Start checking loads and stores for null pointers.Richard Smith
We want the diagnostic, and if the load is optimized away, we still want to trap it. Stop checking non-default address spaces; that doesn't work in general. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167219 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-31ARM AAPCS-VFP: fix tracking of allocated VFP registers.Manman Ren
According to the spec, we can backfill VFP registers that were skipped due to alignment constraints. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167159 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-30ARM AAPCS-VFP: fix handling of homogeneous aggreate.Manman Ren
If HA can only partially fit into VFP registers, we add padding to make sure HA will be on stack and later VFP CPRCs will be on stack as well. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167058 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-30objective-C arc/mrr: Another patch for the new captured block variable Fariborz Jahanian
layout meta-data. It is currently off (so no tests). This is wip. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167047 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-30Change ForceSizeOpt attribute into MinSize attributeQuentin Colombet
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167021 91177308-0d34-0410-b5e6-96231b3b80d8
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