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43 Commits

Author SHA1 Message Date
Chris Lattner
5b12ab8c93 Don't attribute in file headers anymore. See llvmdev for the 
discussion of this change.

llvm-svn: 45410
 2007-12-29 19:59:25 +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
Chris Lattner
9e137aad78 fix a couple switch codegen problems Oliver reported. 
llvm-svn: 44484
 2007-12-01 05:27:33 +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
Devang Patel
ffe1e218f2 Fix 80 col violations. 
llvm-svn: 43516
 2007-10-30 20:59:40 +00:00
Devang Patel
152f18f671 Recognize while(1) and avoid extra blocks. 
llvm-svn: 42811
 2007-10-09 20:51:27 +00:00
Devang Patel
c1380400d5 Recognize "do {} while (0)" idiom and avoid extra basic blocks. 
llvm-svn: 42808
 2007-10-09 20:33:39 +00:00
Devang Patel
eac5948348 Use const& for RHS. 
Use copy for LHS, because it is incremented using ++ operator.

llvm-svn: 42792
 2007-10-09 17:10:59 +00:00
Devang Patel
1166312e8b Code gen case statement ranges. 
llvm-svn: 42766
 2007-10-08 20:57:48 +00:00
Devang Patel
64a9ca7c58 Support case statement ranges. 
llvm-svn: 42648
 2007-10-05 20:54:07 +00:00
Devang Patel
da5d6bbc40 switch statement code gen. 
llvm-svn: 42616
 2007-10-04 23:45:31 +00:00
Devang Patel
8ec4f837fa Do not codegen dummy block. 
Dummy block is an empty block with no predecessors.

llvm-svn: 42451
 2007-09-28 21:49:18 +00:00
Steve Naroff
a23cc79654 Move Decl::NextDeclarator (w/ setters/getters) down to ScopedDecl/FieldDecl. 
Decl is now svelte:-)

llvm-svn: 41935
 2007-09-13 23:52:58 +00:00
Chris Lattner
69de3f4af6 When dumping out errors about unsupported stuff, emit loc info. 
llvm-svn: 41907
 2007-09-13 01:17:29 +00:00
Chris Lattner
4647a21825 Generalize RValue to handle complex better, generalize EmitCompoundStmt to 
support any sort of expr, add a new EmitAnyExpr routine.

llvm-svn: 41660
 2007-08-31 22:49:20 +00:00
Chris Lattner
04a913b958 implement code generation for scalar stmt expressions. 
llvm-svn: 41656
 2007-08-31 22:09:40 +00:00
Chris Lattner
6c555f96e8 eliminate EmitAnyExpr, inlining it and simplifying it into its only caller. 
llvm-svn: 41468
 2007-08-26 22:58:05 +00:00
Chris Lattner
b84bb95b44 be slightly more volatile correct 
llvm-svn: 41444
 2007-08-26 16:22:13 +00:00
Chris Lattner
45067906ad Fix return of aggregate and return of complex. 
llvm-svn: 41437
 2007-08-26 07:14:44 +00:00
Chris Lattner
44d3e74e22 these implicit conversions are now explicit :) 
llvm-svn: 41436
 2007-08-26 07:09:42 +00:00
Chris Lattner
2da04b3322 completely refactor codegen of scalar expressions out into its own CGExprScalar.cpp file. 
This patch temporarily breaks compound assignment operators, but greatly simplifies many
things.

llvm-svn: 41355
 2007-08-24 05:35:26 +00:00
Chris Lattner
08b15df766 implement passing of complex and aggregates through call args. 
llvm-svn: 41344
 2007-08-23 23:43:33 +00:00
Chris Lattner
cbfc73b26c Split complex arithmetic codegen out from aggregate codegen. 
This means that we get rid of tons of intermediate allocas.  For
example:

void foo(double _Complex a, double _Complex b) {
   a = b+a+a;
}

this used to have 4 temporary allocas, now it has zero of them.
This also simplifies the individual visitor methods because they
now can all operate on real/imag pairs instead of having to 
load/store all over the place.

llvm-svn: 41217
 2007-08-21 05:54:00 +00:00
Chris Lattner
6278e6ac30 start splitting out aggregate value computation from EmitExpr into EmitAggExpr. 
aggregate value and scalar expression computation are very different, this
gets them away from each other.  This causes a temporary regression on some
complex number examples.

llvm-svn: 41014
 2007-08-11 00:04:45 +00:00
Chris Lattner
e73e4322d6 Implement break and continue. Patch by Anders Carlsson! 
llvm-svn: 39927
 2007-07-16 21:28:45 +00:00
Chris Lattner
a5ba0cb772 silence a bogus gcc warning. 
llvm-svn: 39824
 2007-07-13 20:07:11 +00:00
Chris Lattner
bd4de5df77 Fix "no newline at end of file" warnings. Patch contributed by 
Benoit Boissinot!

llvm-svn: 39780
 2007-07-12 15:43:07 +00:00
Chris Lattner
08c4b9ffec Add support for codegen'ing vector subscripts, at least when they are lvalues. 
llvm-svn: 39724
 2007-07-10 21:17:59 +00:00
Chris Lattner
54fb19efaa implement support for struct and complex returns. 
llvm-svn: 39674
 2007-06-22 22:02:34 +00:00
Chris Lattner
f033c147c9 remove location tracking for target info 
llvm-svn: 39671
 2007-06-22 19:05:19 +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
cf98efa73b Implement implicit conversions in return stmts. 
llvm-svn: 39653
 2007-06-13 20:50:31 +00:00
Chris Lattner
1ad38f8fee codegen all declarators in a declstmt, allowing us to successfully codegen 
stuff like:

void test() {
  int *X, Y, *Z[14];

  X[Y] = 4;
}

llvm-svn: 39624
 2007-06-09 01:20:56 +00:00
Chris Lattner
8394d795c3 implement codegen of a bunch more loop constructs and most expressions 
llvm-svn: 39593
 2007-06-05 20:53:16 +00:00
Chris Lattner
946aa31f02 implement codegen of while stmts and lvalue evaluation of paren exprs :) 
llvm-svn: 39582
 2007-06-05 03:59:43 +00:00
Chris Lattner
f0106d2578 Refactor EvaluateScalarValueToBool out of if statement emission, so it can 
be shared.

Implement infrastructure for unary operator emission.

Implement basic logical not support.  We now compile:

  register short X;

  if (!X) {

into:

        %tmp = load i16* %X             ; <i16> [#uses=1]
        %tobool = icmp ne i16 %tmp, 0           ; <i1> [#uses=1]
        %lnot = xor i1 %tobool, true            ; <i1> [#uses=1]
        zext i1 %lnot to i32            ; <i32>:0 [#uses=1]
        %tobool1 = icmp ne i32 %0, 0            ; <i1> [#uses=1]
        br i1 %tobool1, label %ifthen, label %ifend

llvm-svn: 39559
 2007-06-02 19:33:17 +00:00
Chris Lattner
84915fa79b Start stubbing out decl codegen. 
llvm-svn: 39550
 2007-06-02 04:16:21 +00:00
Chris Lattner
3f3dbeedd3 implement codegen support for return of void and simple scalars. 
llvm-svn: 39547
 2007-06-02 03:19:07 +00:00
Chris Lattner
db91b16755 stub out codegen of binary plus. We now compile: 
if (11 + 42) {

to:

        %tmp = add i32 11, 42           ; <i32> [#uses=1]
        %tobool = icmp ne i32 %tmp, 0           ; <i1> [#uses=1]
        br i1 %tobool, label %ifthen, label %ifend


but this doesn't handle any of the interesting/hard stuff yet.

llvm-svn: 39545
 2007-06-02 00:16:28 +00:00
Chris Lattner
e47e440c42 split stmt/expr codegen into their own files. 
llvm-svn: 39540
 2007-06-01 18:02:12 +00:00