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35922 Commits

Author SHA1 Message Date
Chris Lattner cf3da8495a remove uses of EmitConversion 
llvm-svn: 41435
 2007-08-26 07:08:39 +00:00
Chris Lattner 798da7033f implicit casts take care of this code, remove it now. 
llvm-svn: 41434
 2007-08-26 07:06:24 +00:00
Chris Lattner 3474c202ab refactor scalar conversions out into CGExprScalar.cpp 
llvm-svn: 41433
 2007-08-26 06:48:56 +00:00
Chris Lattner e026ebd6fe steve's recent changes fixed this bogus warning. 
llvm-svn: 41432
 2007-08-26 06:48:28 +00:00
Chris Lattner 1a76a3c970 Break the assumption that any sort of scope (e.g. a loop scope) can 
hold declarations.  Instead, introduce a new "DeclScope" scope type that
holds them explicitly.  For now, all scopes have this bit, but in the 
future we can use them to fix some issues Neil noticed.

llvm-svn: 41431
 2007-08-26 06:24:45 +00:00
Chris Lattner 88078594fc remove some dead enum values. 
llvm-svn: 41430
 2007-08-26 06:03:04 +00:00
Chris Lattner 7460f9620c Implement casts from scalar -> complex and complex->complex. 
llvm-svn: 41429
 2007-08-26 05:57:57 +00:00
Chris Lattner e267f5d2f7 require that operands to __real/__imag are complex or arithmetic. This 
fixes GCC PR33193

llvm-svn: 41428
 2007-08-26 05:39:26 +00:00
Chris Lattner b5e1262437 implement codegen of __imag of a scalar. Our impl doesn't suffer from 
GCC bug PR33192.

llvm-svn: 41427
 2007-08-26 05:29:21 +00:00
Chris Lattner 9de9527ad6 Make initialization of complex vars work. 
llvm-svn: 41426
 2007-08-26 05:13:54 +00:00
Chris Lattner a01d898ff5 fix codegen of pre/post inc/dec of a pointer. 
llvm-svn: 41425
 2007-08-26 05:10:16 +00:00
Chris Lattner c7f06ca780 tolerate unimplemented codegen better 
llvm-svn: 41424
 2007-08-26 05:06:40 +00:00
Chris Lattner e7a160b37d int X[] isn't a VLA. This improves support for stdio.h on darwin. 
llvm-svn: 41423
 2007-08-26 05:02:07 +00:00
Neil Booth cd995b0b4a Make some diags EXTENSION so they are errors with pedantic errors 
llvm-svn: 41422
 2007-08-26 05:01:15 +00:00
Chris Lattner 57c269b5d3 implement rudimentary union layout support. 
llvm-svn: 41421
 2007-08-26 04:50:19 +00:00
Chris Lattner 5e75e8bc71 Why didn't gcc catch this? :( 
llvm-svn: 41420
 2007-08-26 04:42:42 +00:00
Chris Lattner 881440f5d2 Don't make unknown builtins fatal errors yet. 
llvm-svn: 41419
 2007-08-26 04:17:05 +00:00
Chris Lattner c5221650b3 remove a bunch of dead code 
llvm-svn: 41418
 2007-08-26 04:13:58 +00:00
Chris Lattner 71236d0485 fix a bug introduced by the recent childification of ForStmt. 
llvm-svn: 41417
 2007-08-26 04:11:23 +00:00
Chris Lattner b677a9398a Make parse-ast-print print the storage class and inline 
specifier of functions.

llvm-svn: 41416
 2007-08-26 04:02:13 +00:00
Chris Lattner 1c72d77d01 null pointers don't get an extra newline. 
llvm-svn: 41415
 2007-08-26 03:53:29 +00:00
Chris Lattner 0fffcb5b28 implement codegen for complex literals. 
llvm-svn: 41414
 2007-08-26 03:51:12 +00:00
Chris Lattner 1c20a170c0 add a new ImaginaryLiteral AST node that is used to 
represent imaginary literals:

float _Complex A;
void foo() {
  A = 1.0iF;
}

generates:

  (BinaryOperator 0x2305ec0 '_Complex float' '='
    (DeclRefExpr 0x2305e60 '_Complex float' Decl='A' 0x2305cf0)
    (ImaginaryLiteral 0x2305f40 '_Complex float'
      (FloatingLiteral 0x2305ea0 'float' 1.000000))))

llvm-svn: 41413
 2007-08-26 03:42:43 +00:00
Chris Lattner ed045421a8 1.0 is double, 1.0F is a float. 
llvm-svn: 41412
 2007-08-26 03:29:23 +00:00
Chris Lattner f55ab18663 1) refactor some code. 
2) Add support for lexing imaginary constants (a GCC extension):

t.c:5:10: warning: imaginary constants are an extension
  A = 1.0iF;
         ^

3) Make the 'invalid suffix' diagnostic pointer more accurate:

t.c:6:10: error: invalid suffix 'qF' on floating constant
  A = 1.0qF;
         ^

instead of:

t.c:6:10: error: invalid suffix 'qF' on floating constant
  A = 1.0qF;
      ^

llvm-svn: 41411
 2007-08-26 01:58:14 +00:00
Chris Lattner b620c34bb0 merge checkrelational and checkequality into CheckCompareOperands, 
to merge duplicate code.

llvm-svn: 41410
 2007-08-26 01:18:55 +00:00
Dale Johannesen b6d2bec418 Revise per review comments. 
llvm-svn: 41409
 2007-08-26 01:18:27 +00:00
Chris Lattner 1895e58c84 Cases like this: 
char *C;
  C != ((void*)0);

Should not warn about incompatible pointer types.  Also, make sure to
insert an implicit conversion even if the operand is null.

llvm-svn: 41408
 2007-08-26 01:10:14 +00:00
Dale Johannesen 2cfcf70f82 Add APFloat interface to ConstantFPSDNode. Change 
over uses in DAGCombiner.  Fix interfaces to work
with APFloats.

llvm-svn: 41407
 2007-08-25 22:10:57 +00:00
Chris Lattner 1bc6fac5c6 new testcase 
llvm-svn: 41406
 2007-08-25 21:57:08 +00:00
Chris Lattner 27f00282e9 The new correct compound assignment operators exposed a bug in codegen. 
llvm-svn: 41405
 2007-08-25 21:56:20 +00:00
Steve Naroff 46c72915f4 Surpress the UsualUnaryConversions for compound assignment operators. This change 
eliminates the possibility that the left hand expression is an ImplicitCastExpr.
As a result, I removed the check for ImplicitCastExpr in Expr::isLvalue().

This results in the following AST's...

[dylan:~/llvm/tools/clang] admin% cat fix.c

short x; void test4(char c) { 
  x += c; 
  x = x + c;
}
[dylan:~/llvm/tools/clang] admin% ../../Debug/bin/clang fix.c -parse-ast-dump
Read top-level variable decl: 'x'

void test4(char c)
(CompoundStmt 0x2605d30
  (CompoundAssignOperator 0x2605c40 'short' '+='
    (DeclRefExpr 0x2605c00 'short' Decl='x' 0x2605a80)
    (DeclRefExpr 0x2605c20 'char' Decl='c' 0x2605bc0))
  (BinaryOperator 0x2605d10 'short' '='
    (DeclRefExpr 0x2605c60 'short' Decl='x' 0x2605a80)
    (ImplicitCastExpr 0x2605d00 'short'
      (BinaryOperator 0x2605ce0 'int' '+'
        (ImplicitCastExpr 0x2605cc0 'int'
          (DeclRefExpr 0x2605c80 'short' Decl='x' 0x2605a80))
        (ImplicitCastExpr 0x2605cd0 'int'
          (DeclRefExpr 0x2605ca0 'char' Decl='c' 0x2605bc0))))))

llvm-svn: 41404
 2007-08-25 19:54:59 +00:00
Chris Lattner 479ed3aab8 read and ignore the body of a namespace. 
llvm-svn: 41403
 2007-08-25 18:15:16 +00:00
Steve Naroff e2562ff99d Change Expr::isLvalue() to properly deal with ImplicitCastExpr's. 
This fixes the following bug...

t.c:1:31: error: expression is not assignable
short x; void foo(char c) { x += c; }

This case, among others are now captured in implicit-casts.c.

llvm-svn: 41402
 2007-08-25 14:37:06 +00:00
Steve Naroff aac9415bfb Give CXXBoolLiteralExpr a type (all expressions need a valid type). 
This fixes the following:

******************** TEST 'Parser/cxx-bool.cpp' FAILED! ********************
Command:
clang -fsyntax-only Parser/cxx-bool.cpp
Output:
SemaExpr.cpp:731: failed assertion `!t.isNull() && "DefaultFunctionArrayConversion - missing type"'
Output/cxx-bool.cpp.out.script: line 1: 22697 Abort trap              clang -fsyntax-only Parser/cxx-bool.cpp

llvm-svn: 41401
 2007-08-25 14:02:58 +00:00
Chris Lattner a5235173bc refactor enough of the top-level parsing logic to parse and 
ignore 'namespace foo {}'

llvm-svn: 41400
 2007-08-25 06:57:03 +00:00
Chris Lattner 66b67efa61 C++ explicitly allows an empty source file. 
llvm-svn: 41399
 2007-08-25 05:47:03 +00:00
Chris Lattner e33fbdb898 Fix the test/Sema/format-strings.c regression. This code should be refactored. 
llvm-svn: 41398
 2007-08-25 05:36:18 +00:00
Chris Lattner 6d5922fd66 reenable this. 
llvm-svn: 41397
 2007-08-25 05:31:19 +00:00
Chris Lattner 9449fd7bc3 Fix the regression on test/Sema/cfstring.c 
llvm-svn: 41396
 2007-08-25 05:30:33 +00:00
Chris Lattner a206358bb6 test the parser only, not sema. 
llvm-svn: 41395
 2007-08-25 05:26:51 +00:00
Devang Patel 6114751544 Move exit condition and exit branch from exiting block into loop header and dominator info. This avoid execution of dead iteration. Loop is already filter in the beginning such that this change is safe. 
llvm-svn: 41394
 2007-08-25 02:39:24 +00:00
Chris Lattner 8692811955 Split the ASTNode out for compound assignments out from binary operators. Now 
they show up in dumps etc.

llvm-svn: 41393
 2007-08-25 02:00:02 +00:00
Chris Lattner d8c9fc5ed8 fix off-by-one error 
llvm-svn: 41392
 2007-08-25 01:55:00 +00:00
Chris Lattner e7d0864aed Fix clang -parse-ast-dump carbon.c 
llvm-svn: 41391
 2007-08-25 01:49:16 +00:00
Chris Lattner 4d15a0dbc0 rename sNames -> StmtClassInfo. Make lookups constant time. 
llvm-svn: 41390
 2007-08-25 01:42:24 +00:00
Devang Patel c1ef32ef3d Constant split values needs upper bound and lower bound check, just like any other split value. 
llvm-svn: 41389
 2007-08-25 01:09:14 +00:00
Chris Lattner 2ed652f11d Allow target constants to be illegal types. The target should 
know how to handle them.  This fixes 
test/CodeGen/Generic/asm-large-immediate.ll

llvm-svn: 41388
 2007-08-25 01:00:22 +00:00
Devang Patel 4e63e1f5b5 While calculating upper loop bound for first loop and lower loop bound for second loop, take care of edge cases. 
llvm-svn: 41387
 2007-08-25 00:56:38 +00:00
Chris Lattner dbfc4e4b07 Teach the dag scheduler to handle inline asm nodes with multi-value immediate operands. 
llvm-svn: 41386
 2007-08-25 00:53:07 +00:00