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302 Commits

Author SHA1 Message Date
Seo Sanghyeon
3d072bea09 Ignore typedefs in pointer arithmetic codegen. 
llvm-svn: 44529
 2007-12-03 06:23:43 +00:00
Anders Carlsson
ef93b9d011 Implement __builtin_bswap32 and __builtin_bswap64. 
llvm-svn: 44521
 2007-12-02 21:58:10 +00:00
Chris Lattner
4e4186b2de fix logic for member expr codegen. 
llvm-svn: 44520
 2007-12-02 18:52:07 +00:00
Christopher Lamb
0cbd8723f3 Treat discarding array initializer elements as an extwarn (so -pedantic-errors flags it). Allow CodeGen to truncate the initializer if needed. 
llvm-svn: 44518
 2007-12-02 08:49:54 +00:00
Chris Lattner
0475c8178f globals can't be vla's 
llvm-svn: 44512
 2007-12-02 07:32:25 +00:00
Chris Lattner
d8d18d561e add codegen support for global inits that require array decay. 
llvm-svn: 44511
 2007-12-02 07:30:13 +00:00
Chris Lattner
d45aa2a03b warn about unhandled initializers instead of crashing on them. 
llvm-svn: 44510
 2007-12-02 07:19:18 +00:00
Chris Lattner
5bcdf24a50 Handle global variable definitions which change the type of a definition, such as: 
extern int x[];
void foo() { x[0] = 1; }
int x[10];
void bar() { x[0] = 1; }

llvm-svn: 44509
 2007-12-02 07:09:19 +00:00
Chris Lattner
c48023bd5b remove the alloca insertion point inst, which is an internal helper. 
llvm-svn: 44508
 2007-12-02 06:32:24 +00:00
Chris Lattner
6d27513f6e merge the llvm global variable when there are multiple C decls. 
llvm-svn: 44507
 2007-12-02 06:30:46 +00:00
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
c5b3aab66b merge functions with multiple function decls if they have the same name. 
llvm-svn: 44505
 2007-12-02 05:56:05 +00:00
Chris Lattner
f0780fae43 convert the rest of the stderr users in codegen to use diagnostics. 
llvm-svn: 44503
 2007-12-02 01:49:16 +00:00
Chris Lattner
fc94434faf move unsupported warning into a centralized place. 
llvm-svn: 44502
 2007-12-02 01:43:38 +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
a96fe8d5c5 Add support for __builtin_expect which is needed for assert, 
among other things.

Also change a codegen warning to dump to stderr so it doesn't
mess with -emit-llvm output

llvm-svn: 44497
 2007-12-02 01:03:24 +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
Christopher Lamb
7d303b2a20 Better match llvm-gcc's behavior for CodeGen naming of anonymous structs and unions. 
llvm-svn: 44490
 2007-12-01 09:20:34 +00:00
Christopher Lamb
b0e6094a22 When generating the CodeGen type name of a struct, union, enum use the typedef 
name if a tag type name is not available for the type. This matches how llvm-gcc 
chooses CodeGen type names.

This means that "typedef struct {...} foo" now results in a CodeGen name of 
"struct.foo" rather than "struct."

llvm-svn: 44489
 2007-12-01 09:08:41 +00:00
Chris Lattner
9e137aad78 fix a couple switch codegen problems Oliver reported. 
llvm-svn: 44484
 2007-12-01 05:27:33 +00:00
Chris Lattner
1386de8757 fix a bug handling typedefs in member expr codegen. Patch 
by Seo Sanghyeon

llvm-svn: 44455
 2007-11-30 18:02:19 +00:00
Chris Lattner
b6a7b582ee Fix a codegen crash on void ?: reported by Oliver 
llvm-svn: 44454
 2007-11-30 17:56:23 +00:00
Chris Lattner
aa0b570dfb Support fully general case expressions, patch by Sanghyeon Seo! 
llvm-svn: 44453
 2007-11-30 17:44:57 +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
Chris Lattner
1cfe02c38b update to match change in mainline llvm. 
llvm-svn: 44367
 2007-11-27 18:20:52 +00:00
Chris Lattner
f04b69b26c take an initial stab at setting function linkage right. Handle 
static and inline at least.

llvm-svn: 44355
 2007-11-27 06:46:51 +00:00
Chris Lattner
2ab40a6207 Fix sema support for the gnu ?: expression with a 
missing middle expression, and fix a codegen bug where
we didn't correctly promote the condition to the right 
result type.  This fixes PR1824.

llvm-svn: 44322
 2007-11-26 01:40:58 +00:00
Chris Lattner
136449a6d7 improve codegen for global variable initializers, implementing 
test/CodeGen/global-with-initialiser.c

Patch by Oliver Hunt!

llvm-svn: 44290
 2007-11-23 22:07:55 +00:00
Anders Carlsson
4f8eb127e1 Add __builtin_abs 
llvm-svn: 44254
 2007-11-20 19:05:17 +00:00
Nate Begeman
4c18c23eb3 Implement codegen of CXX Bool 
llvm-svn: 44160
 2007-11-15 05:40:03 +00:00
Chris Lattner
034b49dca0 Clean up types, removing some casts. Patch contributed by 
Cedric Venet.

llvm-svn: 44050
 2007-11-13 18:16:41 +00:00
Devang Patel
ec51171319 Add assert for the case that is not handled. 
struct { char a; short b:2; };

llvm-svn: 43859
 2007-11-08 00:32:12 +00:00
Devang Patel
7c7a07d949 Keep track of beginning offset for the bit field that does not start at byte boundry. 
llvm-svn: 43857
 2007-11-08 00:17:59 +00:00
Devang Patel
ef2d838fef Stay within 80 columns. 
llvm-svn: 43843
 2007-11-07 21:04:59 +00:00
Devang Patel
b1ecfc6e25 Start struct bit field laout work. 
This is far from complete.

llvm-svn: 43801
 2007-11-07 01:57:13 +00:00
Anders Carlsson
bfd60eedd7 Generate code for member exprs. 
llvm-svn: 43641
 2007-11-02 16:59:10 +00:00
Devang Patel
e11664a0ef Rename classes and collections that maintain record layout information. 
Now, at AST level record info is maintained by ASTRecordLayout class.
Now, at code gen  level record info is maintained by CGRecordLayout class.

llvm-svn: 43619
 2007-11-01 19:11:01 +00:00
Anders Carlsson
41b7c6b250 Put constant CFStrings in the __DATA,__cfstring section. 
llvm-svn: 43593
 2007-11-01 00:41:52 +00:00
Anders Carlsson
1e27f9b296 Stub out codegen for __builtin_constant_p. Remove any implicit cast exprs in the call to __builtin___CFStringMakeConstantString. 
llvm-svn: 43592
 2007-11-01 00:39:26 +00:00
Devang Patel
0b59b45870 Remove unnecessary method. 
llvm-svn: 43591
 2007-11-01 00:11:37 +00:00
Devang Patel
ad175428c6 start adding pading fields. 
llvm-svn: 43590
 2007-11-01 00:07:12 +00:00
Anders Carlsson
e89b84ab29 Fix a typo that prevented pointer-to-int conversions from working. 
llvm-svn: 43588
 2007-10-31 23:18:02 +00:00
Devang Patel
f5fcb9870a Refactor code into a separate method. 
llvm-svn: 43587
 2007-10-31 23:17:19 +00:00
Anders Carlsson
0370eb2034 Handle function calls that return aggregate expressions. 
llvm-svn: 43581
 2007-10-31 22:04:46 +00:00
Devang Patel
6029cbf872 Check whether next slot meets field type's alignment requirements. 
If it does not then assert at the moment.

llvm-svn: 43576
 2007-10-31 21:01:37 +00:00
Devang Patel
1c8788bbd0 Keep track of field offsets during structure layout. 
Take 2.

llvm-svn: 43573
 2007-10-31 20:08:22 +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
Devang Patel
7abb7acafd Initialize MemCpyFn 
llvm-svn: 43569
 2007-10-31 19:54:57 +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
df62bc067a Keep track of field offsets during structure layout. 
llvm-svn: 43539
 2007-10-31 01:23:10 +00:00