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2011-12-08Fix an edge case in IRGen for conditionals. PR11509.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146189 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-07Make sure we correctly zero-initialize unions containing a pointer to data ↵Eli Friedman
member as the first field. PR11487. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146009 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-06Stack realignment is a tristate. Add -mno-stackrealign to turn off all stackNick Lewycky
realignment, even with locals with alignment exceeding the ABI guarantee. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145909 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-06Minor comment update.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145905 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-05Add -mstack-alignment=X and fix -mstackrealign handling now that theJoerg Sonnenberger
backend options are gone. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145868 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-05Make EmitAggregateCopy take an alignment argument. Make EmitFinalDestCopy ↵Eli Friedman
pass in the correct alignment when known. The test includes a FIXME for a related case involving calls; it's a bit more complicated to fix because the RValue class doesn't keep track of alignment. <rdar://problem/10463337> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145862 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-03Switch LValue so that it exposes alignment in CharUnits. (No functional ↵Eli Friedman
change.) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145753 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-03Add a utility to get a RValue for a given LValue for an aggregate; switch a ↵Eli Friedman
few places over to it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145747 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-03Switch the Alignment argument on AggValueSlot over to CharUnits, per John's ↵Eli Friedman
review comment. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145741 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-03Track alignment in AggValueSlot. No functional change in this patch, but ↵Eli Friedman
I'll be introducing uses of the specified alignment soon. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145736 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-02Introduce a module import declaration, so that we properly represent, e.g.,Douglas Gregor
__import_module__ std.vector; in the AST. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145725 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-02Update for change to LLVM TargetMachine API in r145714.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145715 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-02Fix wrong-code bug when a const automatic variable of struct type has both aRichard Smith
mutable member and a constant initializer. We'd previously promoted such variables to global constants, resulting in nasal demons if the mutable member was modified. This is only a temporary fix. The subtle interplay between isConstantInitializer and CGExprConstant is very bug-prone; there are some other issues in this area which I will be addressing in subsequent, more major reworking of this code. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145654 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-02When we're passing a vector with an illegal type through memory on x86-64, ↵Eli Friedman
use byval so we're sure the backend does the right thing. Fixes va_arg with illegal vectors and an obscure ABI mismatch with __m64 vectors. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145652 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-01Fix -forwardingTargetForSelector: (GNUstep runtime) which was broken for theDavid Chisnall
old dispatch mechanism when I introduced the new one. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145609 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-01Don't use a varargs convention for calls unprototyped functions where one of ↵Eli Friedman
the arguments is an AVX vector. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145574 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-30Promote ModuleMap::Module to a namespace-scope class in the BasicDouglas Gregor
library, since modules cut across all of the libraries. Rename serialization::Module to serialization::ModuleFile to side-step the annoying naming conflict. Prune a bunch of ModuleMap.h includes that are no longer needed (most files only needed the Module type). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145538 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-30make asan work at -O0, clang part. Patch by glider@google.comKostya Serebryany
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145531 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-30Add bigger method type encodings to protocol objects. <rdar://problem/10492418>Bob Wilson
The new metadata are method @encode strings with additional data. 1. Each Objective-C object is marked with its class name and protocol names. The same is done for property @encode already. 2. Each block object is marked with its function prototype's @encoding. For example, a method parameter that is a block object that itself returns void and takes an int would look like: @?<v@?i> These new method @encode strings are stored in a single array pointed to by structs protocol_t and objc_protocol_ext. Patch provided by Greg Parker! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145469 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-29Make sure that forward declarations are marked as such in the debug infoEric Christopher
for the structure type. rdar://10499337 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145461 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-29The cheap version of getName() is sufficient here.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145399 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-29The _setjmp builtin library function should have the "returns twice"Bill Wendling
attribute. This prevents the stack slot allocator from coming along and using a stack which it thinks is available but isn't. <rdar://problem/10492556> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145332 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-28Correct the code generation for function arguments of vec3 types on x86_64 ↵Tanya Lattner
when they are greater than 128 bits. This was incorrectly coercing things like long3 into a double2. Add test case. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145312 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-28Another silly workaround for MSVC.Peter Collingbourne
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145227 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-28Sigh, another workaround for MSVC.Peter Collingbourne
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145211 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-28Work around a gcc4.2 bug.Peter Collingbourne
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145209 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-27When destroying temporaries, instead of a custom cleanup use thePeter Collingbourne
generic pushDestroy function. This would reduce the number of useful declarations in CGTemporaries.cpp to one. Since CodeGenFunction::EmitCXXTemporary does not deserve its own file, move it to CGCleanup.cpp and delete CGTemporaries.cpp. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145202 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-27Add inreg attributes to reference arguments.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145189 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-27Reference initialization with initializer lists.Sebastian Redl
This supports single-element initializer lists for references according to DR1288, as well as creating temporaries and binding to them for other initializer lists. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145186 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-22Use static storage duration for file-scope compound literals, even when theyRichard Smith
appear in non-constant initializers in C++. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145087 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-22implement __has_feature(address_sanitizer); also use ↵Kostya Serebryany
LangOpts.AddressSanitizer instead of CodeGenOpts.AddressSanitizer git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145054 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-21CodeGen: Simplify code.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145040 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-20CodeGen: allow __asm renaming on static local variables.Benjamin Kramer
Fixes PR4777. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145015 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-18Finish r144971, which was an incomplete commit.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144972 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-18Fix the meaning of an "empty" record for the case of a zero-length array. ↵Eli Friedman
Use isEmptyRecord for arguments on x86-32; there are structs of size 0 which don't count as empty. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144971 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-18Make va_arg on x86-64 compute alignment the same way as argument passing.Eli Friedman
Fixes <rdar://problem/10463281>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144966 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-18A bunch of fixes to argument passing and va_arg on Darwin x86-32 for ↵Eli Friedman
structures containing an SSE vector. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144963 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-18Don't try to expand struct arguments containing holes on x86-32. From gcc ↵Eli Friedman
struct layout tests. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144961 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-18Simplify code for returning a struct for Darwin x86-32 ABI. Use a better ↵Eli Friedman
type for a function returning a struct containing only a pointer. Handle the edge case of a struct containing only a float or double plus some dead padding instead of asserting. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144960 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-18Ignore empty unions in argument lowering on x86-32. From gcc struct layout ↵Eli Friedman
tests. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144944 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-18Change ASTConsumer::HandleTopLevelDecl to return true for the parser to continueArgyrios Kyrtzidis
parsing or false to abort parsing. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144943 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-17Use the canonical decl to index so that we can really find it later.Eric Christopher
Fixes rdar://10433202 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144938 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-17Constant expression evaluation: add support for evaluation of member pointersRichard Smith
and base-to-derived casts, and add proper handling of temporaries. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144926 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-16Add -f[no-]address-sanitizer flagKostya Serebryany
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144800 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-16Match LLVM API change.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144789 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-16Fix a bunch of really nasty bugs in how we compute alignment for reference ↵Eli Friedman
lvalues. PR11376. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144745 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-15Fix crash in calling convention code expanding an struct with a complex member.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144612 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-14Fixup comment.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144548 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-12Represent an APValue based on a Decl as that Decl, rather than a DeclRefExprRichard Smith
or MemberExpr which refers to it. As a side-effect, MemberExprs which refer to static member functions and static data members are now emitted as constant expressions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144468 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-10Add invariant.load metadata to loads from selector references. Allows these ↵Pete Cooper
loads to later be moved/combined in the optimizer. Fixes <rdar://problem/6027699> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144318 91177308-0d34-0410-b5e6-96231b3b80d8
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