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2010-11-30L-value to r-value conversion is not ready for prime-time.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120433 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-30Introduce an r-value to l-value cast kind. I'm not promising anythingJohn McCall
about the reliability of this yet. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120422 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-25Hide a bunch of symbols.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120153 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-24Switch a lot of call-sites over to using the new value-kind calculations.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120084 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-19Minor cleanup. No change otherwise.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119814 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-18Fix a bug where write-barriers for assignment through referenceFariborz Jahanian
types was not being generated for objc pointers. // rdar://8681766. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119751 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16Support compound complex operations as l-values in C++. Add a testJohn McCall
case based on CodeGen/volatile-1.c which tests the current C++ semantics, and note the many, many places we fall short of them. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119402 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16Simplify some complex emission and implement correct semantics forJohn McCall
assignment to volatiles in C. This in effect reverts some of mjs's work in and around r72572. Basically, the C++ standard is quite clear, except that it lies about volatile behavior approximating C's, whereas the C standard is almost actively misleading. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119344 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16Kill CK_Unknown and flesh out the documentation for the existing CastKinds.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119331 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-15Assorted work leading towards the elimination of CK_Unknown.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119138 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-14Add a few more complex-related cast kinds that arise due to arbitraryJohn McCall
implicit conversions; the last batch was specific to promotions. I think this is the full set we need. I do think dividing the cast kinds into floating and integral is probably a good idea. Annotate a *lot* more C casts with useful cast kinds. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119036 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-13Introduce five new cast kinds for various conversions into andJohn McCall
between complex types. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@118994 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-13Introduce a null-to-pointer implicit cast kind.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@118966 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-09Fix miscompilation regarding VLAs; subscription of VLA pointers was incorrect.Argyrios Kyrtzidis
Fixes rdar://8644873 & http://llvm.org/PR8567. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@118468 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-27Restore r117403 (fixing IR gen for bool atomics), this time being less John McCall
aggressive about the form we expect bools to be in. I don't really have time to fix all the sources right now. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117486 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-27Revert r117403 as it caused PR8480.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117456 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-26Extract procedures to do scalar-to-memory and memory-to-scalar conversionsJohn McCall
in IR gen, and use those to fix a correctness issue with bool atomic intrinsics. rdar://problem/8461234 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117403 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-25Trim an unnecessary #include.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117321 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-15Death to blocks, or at least the word "block" in one particular obnoxiouslyJohn McCall
ambiguous context. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@116567 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-14Experimental TBAA support.Dan Gohman
This enables metadata generation by default, however the TBAA pass in the optimizer is still disabled for now. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@116536 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-14Eliminate usage of ObjCSuperExpr used forFariborz Jahanian
'super' as receiver of property or a setter/getter methods. //rdar: //8525788 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@116483 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-08Implement C++0x scoped enumerations, from Daniel Wallin! (and tweaked aDouglas Gregor
bit by me). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@116122 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-21IRgen for gnu extension's conditional lvalue expressionFariborz Jahanian
with missing LHS. radar 8453812. Executable test is checked into llvm test suite. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@114457 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-18Fixes IRgen bug in objc++ reference binding of aFariborz Jahanian
getter expression. Fixes // rdar://8437240 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@114299 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-18Fix a bug with binding l-values to elided temporaries, and leave a coupleJohn McCall
helpful asserts behind. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@114250 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-15one piece of code is responsible for the lifetime of every aggregateJohn McCall
slot. The easiest way to do that was to bundle up the information we care about for aggregate slots into a new structure which demands that its creators at least consider the question. I could probably be convinced that the ObjC 'needs GC' bit should be rolled into this structure. Implement generalized copy elision. The main obstacle here is that IR-generation must be much more careful about making sure that exactly git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113962 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-07Local static block variable referecned in itsFariborz Jahanian
block-literal initializer expression causes IRgen to crash. This patch fixes by saving it in StaticLocalDecl map already used for such purposes. (radar 8390455). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113307 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-06clean up some formatting.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113129 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-03Truncate block variable of bool type to i1 when itsFariborz Jahanian
value is used. This matches with non-block variable use of bool type. (Fixes radar 8390062). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113027 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-03Cope with llvm's reference to bool type of 'i1' vs. clang'sFariborz Jahanian
type of 'i8' for the same for __block variables of type bool. refixes radar 8382559. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113015 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-01Fix IRGen when property-dot syntax used to accessFariborz Jahanian
a c++ class object 'ivar'. Fixes radar 8366604. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@112729 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-31Amusingly, I missed this point of abstraction in all my earlierJohn McCall
member-pointer refactoring: dereferencing a member data pointer. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@112640 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-31Teach IR generation to return 'this' from constructors and destructorsJohn McCall
under the ARM ABI. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@112588 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-25GCC didn't care for my attempt at API compatibility, so brute-force everythingJohn McCall
to the new constants. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@112047 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-23fix rdar://8340348, a miscompile of boost that was exposed by r109848.Chris Lattner
That revision started classifying truly empty structs like "Y" and "X" as being NoClass/NoClass and turning them into 'ignore'. The call code turns around and allocates space for the ignored argument with GetUndefRValue. The bug is that GetUndefRValue would return the address as undef, instead of returning an object with a defined address but undefined contents. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111794 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-23Abstract out everything having to do with member pointers into the ABIJohn McCall
class; they should just be completely opaque throughout IR gen now, although I haven't really audited that. Fix a bug apparently inherited from gcc-4.2 where we failed to null-check member data pointers when performing derived-to-base or base-to-derived conversions on them. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111789 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-22Experiment with using first-class aggregates to represent member functionJohn McCall
pointers. I find the resulting code to be substantially cleaner, and it makes it very easy to use the same APIs for data member pointers (which I have conscientiously avoided here), and it avoids a plethora of potential inefficiencies due to excessive memory copying, but we'll have to see if it actually works. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111776 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-22Extract member function pointer comparison and null comparison intoJohn McCall
the ABI code. Implement correct semantics for these on ARM. I believe this completes the implementation of member function pointers on ARM. I think I'm going to switch member function pointers over to be non-aggregates while I have all this in mind. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111774 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-21IRgen: Set the alignment correctly when creating LValue for a decls.Daniel Dunbar
- Fixes PR5598. - Review appreciated. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111726 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-21IRgen: Move remaining LValue::Set... methods to LValue::set... (non-static) ↵Daniel Dunbar
methods. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111722 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-21IRgen: Move remaining MakeAddr() calls to MakeAddrLValue().Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111721 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-21IRgen: The CVR qualifiers in a subobject adjustment should just come from theDaniel Dunbar
field (I think). - Doug, please check. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111720 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-21IRgen/LValue: Add LValue::setNonGC instead of SetObjCNonGC, for consistency ↵Daniel Dunbar
with isNonGC(). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111718 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-21IRgen: Switch more MakeAddr() users to MakeAddrLValue; this time for calls ↵Daniel Dunbar
which were previously not computing the qualifier list. In most cases, I don't think it matters, but I believe this is conservatively more correct / consistent. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111717 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-21IRgen: Switch a bunch of trivial MakeAddr calls to use MakeAddrLValue.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111716 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-21IRgen: Eliminate EmitPredefinedFunctionName(), it doesn't need to be ↵Daniel Dunbar
factored out. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111715 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-21IRgen/CGValue: Add alignment to LValue, and use that alignment when ↵Daniel Dunbar
generating lvalue load/stores. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111710 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-21IRgen: Change Emit{Load,Store}OfScalar to take a required Alignment argument andDaniel Dunbar
update callers as best I can. - This is a work in progress, our alignment handling is very horrible / sketchy -- I am just aiming for monotonic improvement. - Serious review appreciated. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111707 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-18fix typoChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111334 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-18Fix PR7889 by generalizing some over specialized code. There is noChris Lattner
reason that this should be limited to simple lvalues. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111331 91177308-0d34-0410-b5e6-96231b3b80d8
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