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21 Commits

Author SHA1 Message Date
Chris Lattner
41af8182d8 implement codegen for functions whose function body type don't match 
their prototype.

llvm-svn: 44506
 2007-12-02 06:27:33 +00:00
Chris Lattner
c8dbe1e5d6 Warn about unsupported codegen with the diags machinery, giving us: 
t.c:3322:5: warning: cannot codegen this yet
    __asm__ ("bswap   %0" : "+r" (_data));
    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

instead of:

Unimplemented stmt!
(AsmStmt 0x80eaa0 <t.c:3331:5, line:3334:28>)

llvm-svn: 44501
 2007-12-02 01:40:18 +00:00
Oliver Hunt
aefc8fd415 Support initalisers for more than just int-typed static variables. 
We now use the CodeGenModule logic for generating the constant 
initialiser expression, so happily further initialiser fixes should 
automatically work for statics as well.

llvm-svn: 44495
 2007-12-02 00:11:25 +00:00
Chris Lattner
fb30009465 Implement support for -fwritable-strings and make the code generator 
merge string literals when it is not provided.

llvm-svn: 44394
 2007-11-28 05:34:05 +00:00
Devang Patel
75ef2f0b45 Take 2. 
Make target info available to clang code generator.  This is far from complete but this helps clang codegen module make progress.

At the moment target triplet and target description strings are hard coded in clang::TargetInfo

llvm-svn: 43572
 2007-10-31 20:01:01 +00:00
Chris Lattner
5087e267c2 temporarily revert devang's patch to link in the llvm codegen etc. 
llvm-svn: 43544
 2007-10-31 04:53:03 +00:00
Devang Patel
46c7003052 Make target info available to clang code generator. 
This is far from complete but this helps clang codegen module
make progress.

llvm-svn: 43536
 2007-10-31 00:59:29 +00:00
Devang Patel
73721a12ca Refactor code into a separate method. 
llvm-svn: 43519
 2007-10-30 21:27:20 +00:00
Steve Naroff
9def2b15c1 Phase 2 of making the Decl class more lightweight... 
Move Identifier/Loc instance variables (and associated getters/setters) down from Decl to ScopedDecl/FieldDecl.

Objc AST's can now inherit from Decl without getting instance variables and types that are C specific. For now, I am keeping NextDeclarator, since I believe it may be useful to ObjC. If not, it can be moved later.

llvm-svn: 41934
 2007-09-13 21:41:19 +00:00
Chris Lattner
1eec6601d9 add the ability to get the llvm function corresponding to a library builtin. 
llvm-svn: 41633
 2007-08-31 04:31:45 +00:00
Anders Carlsson
b04ea61b79 Implement code generation for constant CFStrings. 
llvm-svn: 41206
 2007-08-21 00:21:21 +00:00
Chris Lattner
6ee31f5df8 In "int X,Y;", compile both X and Y. 
llvm-svn: 39848
 2007-07-14 00:16:50 +00:00
Chris Lattner
d14bfa94a6 implement support for basic codegen of global variables with no initializers. 
llvm-svn: 39795
 2007-07-13 05:13:43 +00:00
Chris Lattner
09153c0a8c Build enough support for aggregates to be able to compile this: 
void test(int A, _Complex float Y) {
  _Complex float X;
  X = X;

}

llvm-svn: 39669
 2007-06-22 18:48:09 +00:00
Chris Lattner
b6984c4854 Hook up global function and variable handling. We can now compile: 
int X, bar(int,int,int);
short Y;

double foo() {
  return bar(X, Y, 3);
}

into:

@X = external global i32                ; <i32*> [#uses=1]
@Y = external global i16                ; <i16*> [#uses=1]

define double @foo() {
entry:
        %tmp = load i32* @X             ; <i32> [#uses=1]
        %tmp1 = load i16* @Y            ; <i16> [#uses=1]
        %promote = sext i16 %tmp1 to i32                ; <i32> [#uses=1]
        %call = tail call i32 @bar( i32 %tmp, i32 %promote, i32 3 )             ; <i32> [#uses=1]
        %conv = sitofp i32 %call to double              ; <double> [#uses=1]
        ret double %conv
}

declare i32 @bar(i32, i32, i32)

llvm-svn: 39663
 2007-06-20 04:44:43 +00:00
Chris Lattner
2ccb73bc8b Refactor CodeGenTypes out to CodeGenModule so it can be used for functions 
and globals.

llvm-svn: 39661
 2007-06-16 00:16:26 +00:00
Chris Lattner
2052bc8107 Split type analysis out to its own file, now the integer constant expr evaluation 
is ready.

llvm-svn: 39660
 2007-06-16 00:12:05 +00:00
Chris Lattner
23b7eb677d Finally bite the bullet and make the major change: split the clang namespace 
out of the llvm namespace.  This makes the clang namespace be a sibling of
llvm instead of being a child.

The good thing about this is that it makes many things unambiguous.  The
bad things is that many things in the llvm namespace (notably data structures
like smallvector) now require an llvm:: qualifier.  IMO, libsystem and libsupport
should be split out of llvm into their own namespace in the future, which will fix
this issue.

llvm-svn: 39659
 2007-06-15 23:05:46 +00:00
Chris Lattner
308f431017 Add codegen support for NullStmt and CompoundStmt. {;;{};;} is now ours! 
llvm-svn: 39522
 2007-05-29 23:50:05 +00:00
Chris Lattner
d1af2d2956 Implement conversion of clang ast types to LLVM types, at least for some trivial 
cases.

llvm-svn: 39519
 2007-05-29 23:17:50 +00:00
Chris Lattner
bed314465a Reorganize codegen files. 
llvm-svn: 39504
 2007-05-28 01:07:47 +00:00