Changed Sema::UsualArithmeticConversions to use the new API.

This fixes the following case...

_Complex double X;
double y;

void foo() {
  X = X + y;
}

[dylan:~/llvm/tools/clang] admin% ../../Debug/bin/clang complex.c -parse-ast-dump
Read top-level variable decl: 'X'
Read top-level variable decl: 'y'

void foo()
(CompoundStmt 0x2605cc0
  (BinaryOperator 0x2605ca0 '_Complex double' '='
    (DeclRefExpr 0x2605c10 '_Complex double' Decl='X' 0x2605ab0)
    (BinaryOperator 0x2605c80 '_Complex double' '+'
      (DeclRefExpr 0x2605c30 '_Complex double' Decl='X' 0x2605ab0)
      (ImplicitCastExpr 0x2605c70 '_Complex double'
        (DeclRefExpr 0x2605c50 'double' Decl='y' 0x2605ae0)))))

llvm-svn: 41483

llvm-svn: 41482

Coping 100MB array (after a warmup) shows that glibc 2.6.1 implementation on
x86-64 (core 2) is 30% faster (from 0.270917s to 0.188079s)

llvm-svn: 41479

llvm-svn: 41478

llvm-svn: 41477

Add Type::getAsBuiltinType() and Type::builtinTypesAreCompatible().
Modified Type::typesAreCompatible() to use the above.

This fixes the following bug submitted by Keith Bauer (thanks!).

int equal(char *a, const char *b)
{
    return a == b;
}

Also tweaked Sema::CheckCompareOperands() to ignore the qualifiers when
comparing two pointer types (though it doesn't relate directly to this bug).

llvm-svn: 41476

Tweak a comment and assert.

llvm-svn: 41475

Replaced ASTContext::maxComplexType() with ASTContext::getFloatingTypeOfSizeWithinDomain().

Changed Sema::UsualArithmeticConversions to correctly implement complex/float conversions, 
using maxFloatingType() with getFloatingTypeOfSizeWithinDomain().

llvm-svn: 41474

llvm-svn: 41473

llvm-svn: 41472

llvm-svn: 41471

llvm-svn: 41470

llvm-svn: 41469

llvm-svn: 41468

llvm-svn: 41467

llvm-svn: 41466

llvm-svn: 41465

llvm-svn: 41464

llvm-svn: 41463

instead of VisitBinaryOperator.

llvm-svn: 41462

Don't promote volatile loads/stores. This is needed (for example) to handle setjmp/longjmp properly.
This fixes PR1520.

llvm-svn: 41461

llvm-svn: 41460

the operand is of type CompoundAssignOperator, not just BinaryOperator.

llvm-svn: 41459

llvm-svn: 41458

llvm-svn: 41457

llvm-svn: 41456

llvm-svn: 41455

llvm-svn: 41454

t.c:3:9: warning: invalid conversion '%B'
printf("%B\a\n", p);
~~~~~~  ^

Don't beep the console or print the newline.

llvm-svn: 41453

llvm-svn: 41452

llvm-svn: 41451

llvm-svn: 41450

llvm-svn: 41449

llvm-svn: 41448

llvm-svn: 41447

llvm-svn: 41446

llvm-svn: 41445

llvm-svn: 41444

Fix bogus warnings (noticed by Chris) with array-constraints.c.

Remove bogus type conversions in Sema::GetTypeForDeclarator(). This commit
only deals with the array types (DeclaratorCheck::Array), though the
rest of this routine should be reviewed. Given the complexity of C declarators,
I don't want to change the entire routine now (will discuss with Chris tomorrow).

llvm-svn: 41443

llvm-svn: 41442