implement codegen support for __attribute((__gnuc_inline__)),
pulling some attribute munging stuff into GetLinkageForFunction.

This should fix PR3986

llvm-svn: 69045

Refactor how attributes are set on values.
- Pull out SetCommonAttributes, which handles the things common to
aliases, methods, functions, and variables.

- Pull out SetLLVMFunctionAttributesFor

Refactor how attributes are set on values.
- Pull out SetCommonAttributes, which handles the things common to
aliases, methods, functions, and variables.

- Pull out SetLLVMFunctionAttributesForDefinition, which handles the
LLVM attributes which we only want to apply to a definition (like
noinline and alwaysinline).

- Kill SetGVDeclarationAttributes (inlined into SetFunctionAttributes
and specialized).

- Kill SetFunctionAttributesForDefinition (inlined into sole caller).

- Inline SetGVDefinitionAttributes into SetMethodAttributes and
specialize.

- Rename SetGVDefinitionAttributes to SetFunctionDefinitionAttributes.

This is supposed to be a no functionality change commit, but I may
have made a mistake.

llvm-svn: 69036

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Split SetGlobalValueAttributes into definition/declaration halves.
- No functionality change.

llvm-svn: 69035

Rename (one) SetFunctionAttributes to SetLLVMFunctionAttributes to
disambiguate it.
- No functionality change.

llvm-svn: 69034

Reduce indentation, no functionality change.

llvm-svn: 69033

defer emission of always_inline, extern_inline, and inline functions (when
not in c89 mode).

llvm-svn: 69032

give always_inline functions internal linkage. If they cannot be
inlined for some reason, then we don't want a strong or even weak
definition.

llvm-svn: 69031

set the linkage of an inline function according to its language rules.

llvm-svn: 69030

Add a comment on SetGlobalValueAttributes.

llvm-svn: 69029

add a new enum type for linkage, no functionality change.

llvm-svn: 69028

Clean up handling of visibility.

llvm-svn: 69027

reduce indentation, no functionality change.

llvm-svn: 69026

do not set visibility on "private" or "available externally" linkage objects.

llvm-svn: 69025

Update to use hasAttr() instead of getAttr().
- No functionality change.

llvm-svn: 68987

Move/update recent FIXME (wrt UTF-8 checking for ObjC @-strings).

llvm-svn: 68982

Fixed crasher in <rdar://problem/6780904> [irgen] Assertion failed: (Result == conversionOK && "UTF-8 to UTF-16 conversion failed"), function GetAddrOfConstantCFString, file CodeGenModule.cpp, line 1

Fixed crasher in <rdar://problem/6780904> [irgen] Assertion failed: (Result == conversionOK && "UTF-8 to UTF-16 conversion failed"), function GetAddrOfConstantCFString, file CodeGenModule.cpp, line 1063.

Still a diagnostic related FIXME (will discuss with Daniel/Fariborz offline).

llvm-svn: 68975

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Internal variables could mistakenly have "hidden" visibility when
their emission was deferred.
- <rdar://problem/6775234> variables with internal linkage should not
be exposed with -fvisibility=h

Internal variables could mistakenly have "hidden" visibility when
their emission was deferred.
- <rdar://problem/6775234> variables with internal linkage should not
be exposed with -fvisibility=hidden.

llvm-svn: 68818

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reject codegen of __thread variables as unimplemented, rdar://6775265

llvm-svn: 68755

Propagate the ASTContext to various AST traversal and lookup functions.
No functionality change (really).

llvm-svn: 68726

Add a destination type argument to EmitConstantExpr. This will be used for when the destination has a reference type. (No functionality change yet)

llvm-svn: 68593

Visibility attributes should only be set on definition.

llvm-svn: 68561

Various fixes to symbols used for Obj-C x86_64 metadata.
- Changed method names to match gcc (categories names still aren't
mangled in).

- Expose correct name for class and metadata symbols (al

Various fixes to symbols used for Obj-C x86_64 metadata.
- Changed method names to match gcc (categories names still aren't
mangled in).

- Expose correct name for class and metadata symbols (although
-fvisibility=hidden isn't yet correct).

- Remove several things from llvm.used that didn't need to be there
(I suspect this can still be trimmed).

- Don't use asm-prefix extension for _objc_empty_{cache,vtable} (not
needed).

- Hide EH type class info with -fvisibility=hidden

- Change setGlobal[Option]Visibility to not change the visibility of
functions with internal linkage.

llvm-svn: 68510

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Add some basic support for generating C++ member functions.

llvm-svn: 68425

Basic support for regparm codegen

llvm-svn: 68414

Add a comment/FIXME so Eli can sleep better:-))

llvm-svn: 68379