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Chandler Carruth be06428ba3 Try to appease MSVC even more elaborately in the alignment hacking space. 
MSVC doesn't support passing by-value parameters with alignment of
16-bytes or higher apparantly. What is deeply confusing is that it seems
to *sometimes* (but not always) apply this to any type whose alignment
is set using __declspec(align(...)). This caused lots of errors when we switch
SmallVector over to use the automatically aligned character array
utilities as they used __declspec(align(...)) heavily.

As a pretty horrible but effective work-around, we instead cherry pick
the smallest alignment sizes with specific types that happen to have the
correct alignment, and then fall back to the attribute solution past
them. This should resolve the MSVC build errors folks have been hitting.
Sorry for that. In good news, it will do this without introducing other
UB I hope. =]

Thanks to Timur Iskhodzhanov for helping me test this!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162549 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-24 09:53:43 +00:00
..
ADT Fix a bunch of -Wdocumentation warnings. 2012-08-23 16:54:08 +00:00
Analysis MemoryBuiltins: Properly guard ObjectSizeOffsetVisitor against cycles in the IR. 2012-08-17 19:26:41 +00:00
Assembly Prune some includes and forward declarations. 2012-03-26 06:58:25 +00:00
Bitcode Fix a bunch of -Wdocumentation warnings. 2012-08-23 16:54:08 +00:00
CodeGen Fix a stub signature. HeuristicReduce should return a bool. 2012-08-23 19:06:23 +00:00
Config Add support for detecting libxml for Dmitri's work. He'll 2012-08-03 19:47:19 +00:00
DebugInfo DebugInfo library: add support for fetching absolute paths to source files 2012-07-19 07:03:58 +00:00
ExecutionEngine Fixed few warnings. 2012-07-19 04:50:12 +00:00
MC Fix a bunch of -Wdocumentation warnings. 2012-08-23 16:54:08 +00:00
Object Fix misaligned access in MachO object file reader: despite containing an 2012-08-21 20:52:03 +00:00
Support Try to appease MSVC even more elaborately in the alignment hacking space. 2012-08-24 09:53:43 +00:00
TableGen Tristate mayLoad, mayStore, and hasSideEffects. 2012-08-23 19:34:46 +00:00
Target Tristate mayLoad, mayStore, and hasSideEffects. 2012-08-23 19:34:46 +00:00
Transforms add EmitStrNLen() 2012-07-25 17:18:59 +00:00
Argument.h Unweaken vtables as per http://llvm.org/docs/CodingStandards.html#ll_virtual_anch 2011-12-20 02:50:00 +00:00
Attributes.h [ms-inline asm] Add a new Inline Asm Non-Standard Dialect attribute. 2012-08-10 00:00:22 +00:00
AutoUpgrade.h remove autoupgrade support for really old-style debug info intrinsics. 2011-11-27 06:18:33 +00:00
BasicBlock.h Add a constified getLandingPad() method. 2012-01-31 00:26:24 +00:00
CallGraphSCCPass.h
CallingConv.h
CMakeLists.txt llvm/include/llvm/CMakeLists.txt: Cut dependency to intrinsics_gen. 2012-07-06 15:55:39 +00:00
Constant.h getAllOnesValue also works for vectors of integers. 2012-06-04 07:18:12 +00:00
Constants.h When linearizing a multiplication, return at once if we see a factor of zero, 2012-06-13 09:42:13 +00:00
DebugInfo.h Add a print method to the ObjC property object. 2012-07-06 19:12:31 +00:00
DefaultPasses.h Add a couple missing includes; found while analyzing LLVM headers. 2011-11-04 18:19:43 +00:00
DerivedTypes.h Cache the sized-ness of struct types, once we reach the steady state of 2012-03-07 02:33:09 +00:00
DIBuilder.h Fix a bunch of -Wdocumentation warnings. 2012-08-23 16:54:08 +00:00
Function.h Teach Function::hasAddressTaken that BlockAddress doesn't really take 2012-05-12 08:30:16 +00:00
GlobalAlias.h
GlobalValue.h Change the linker_private_weak_def_auto' linkage to linkonce_odr_auto_hide' to 2012-08-17 18:33:14 +00:00
GlobalVariable.h Clean-up after r159077. 2012-06-23 12:14:23 +00:00
GVMaterializer.h
InitializePasses.h Start scaffolding for a MachineTraceMetrics analysis pass. 2012-07-26 18:38:11 +00:00
InlineAsm.h Prune some includes and forward declarations. 2012-03-26 06:58:25 +00:00
InstrTypes.h Fix a bunch of -Wdocumentation warnings. 2012-08-23 16:54:08 +00:00
Instruction.def [unwind removal] Remove all of the code for the dead 'unwind' instruction. There 2012-02-06 21:44:22 +00:00
Instruction.h Refactor operation equivalence checking in BBVectorize by extending Instruction::isSameOperationAs. 2012-06-28 05:42:26 +00:00
Instructions.h add CallSite/CallInst/InvokeInst::hasFnAttr() 2012-06-25 16:16:58 +00:00
IntrinsicInst.h Remove the eh.exception and eh.selector intrinsics. Also remove a hack to copy 2012-01-31 01:46:13 +00:00
Intrinsics.h generalize this to allow any argument. 2012-05-27 19:17:16 +00:00
Intrinsics.td Add support for v16i32/v16i64 into the code generator. This is required for backends that use i32/i64 vectors for the getSetCCResultType function. 2012-07-26 21:22:00 +00:00
IntrinsicsARM.td
IntrinsicsCellSPU.td
IntrinsicsHexagon.td Test commit. 2012-08-17 06:36:26 +00:00
IntrinsicsMips.td Fix MIPS DSP Rev1 intrinsics memory properties. 2012-08-06 19:47:47 +00:00
IntrinsicsNVVM.td Remove the PTX back-end and all of its artifacts (triple, etc.) 2012-05-24 21:38:21 +00:00
IntrinsicsPowerPC.td
IntrinsicsX86.td Fix attributes on X86 store intrinsics. 2012-08-23 19:21:38 +00:00
IntrinsicsXCore.td Update IntrinsicsXCore.td with the normal LLVM notice at the top of the file. 2011-10-13 21:08:11 +00:00
IRBuilder.h Add support for attaching branch weight metadata directly from the IRBuilder. 2012-07-16 07:45:06 +00:00
LinkAllPasses.h add a new pass to instrument loads and stores for run-time bounds checking 2012-05-22 17:19:09 +00:00
LinkAllVMCore.h
Linker.h Prune some includes and forward declarations. 2012-03-26 06:58:25 +00:00
LLVMContext.h revert r158660, since Chris has some issues with this patch (namely using code to reprent information only used by the compiler) 2012-06-18 23:34:26 +00:00
MDBuilder.h Update the header guard I missed when moving the header. 2012-07-15 23:45:20 +00:00
Metadata.h Move the Metadata merging methods from GVN and make them public in MDNode. 2012-06-16 20:33:37 +00:00
Module.h Move the "findUsedStructTypes" functionality outside of the Module class. 2012-08-03 00:30:35 +00:00
OperandTraits.h
Operator.h Remove support for the special 'fast' value for fpmath accuracy for the moment. 2012-04-16 19:39:33 +00:00
Pass.h Added TargetPassConfig::disablePass/substitutePass as a general mechanism to override specific passes. 2012-02-15 03:21:47 +00:00
PassAnalysisSupport.h Add a couple missing includes; found while analyzing LLVM headers. 2011-11-04 18:19:43 +00:00
PassManager.h Add pass printer passes in the right place. 2012-02-01 07:16:20 +00:00
PassManagers.h Use ArrayRef instead of an explicit vector type. 2012-05-14 07:53:40 +00:00
PassRegistry.h
PassSupport.h Add Tsan annotations to the pass system. 2011-12-08 00:15:41 +00:00
SymbolTableListTraits.h
Type.h add StructType helpers too. 2012-01-26 00:06:44 +00:00
TypeBuilder.h Move llvm/Support/TypeBuilder.h -> llvm/TypeBuilder.h. This completes 2012-07-15 23:45:24 +00:00
TypeFinder.h Move the "findUsedStructTypes" functionality outside of the Module class. 2012-08-03 00:30:35 +00:00
Use.h
User.h Grammar. 2012-05-16 22:08:58 +00:00
Value.h The MDString class stored a StringRef to the string which was already in a 2012-04-10 20:12:16 +00:00
ValueSymbolTable.h