malloc, so there should be no functional changes to other code.

These changes are necessary since I have plans to use this allocator in the JIT
memory manager, and it needs a special allocator.

I also added some tests which helped me pinpoint some bugs.

llvm-svn: 76825

llvm-svn: 76823

a better solution for it in the future.

llvm-svn: 76818

llvm-svn: 76817

llvm-svn: 76812

llvm-svn: 76811

which stand for no-unsigned-wrap and no-signed-wrap.

llvm-svn: 76810

Reorder if-else branches as suggested by Bill.

llvm-svn: 76808

llvm-svn: 76806

llvm-svn: 76805

llvm-svn: 76803

unintended matches.

llvm-svn: 76802

Constify the key in Mi2IndexMap.

llvm-svn: 76801

llvm-svn: 76799

simplification.
 - NFC

llvm-svn: 76789

llvm-svn: 76787

llvm-svn: 76786

llvm-svn: 76785

llvm-svn: 76782

Put comment printing under asm-verbose.

llvm-svn: 76780

llvm-svn: 76778

Make some changes suggested by Bill and Evan.

llvm-svn: 76775

llvm-svn: 76769

llvm-svn: 76768

llvm-svn: 76767

llvm-svn: 76765

This fixes unittest failure.

llvm-svn: 76764

llvm-svn: 76763

llvm-svn: 76762

llvm-svn: 76761

Derive MDString directly from MetadataBase. 
Introduce new bitcode block to hold metadata.

llvm-svn: 76759

llvm-svn: 76754

llvm-svn: 76751

llvm-svn: 76750

llvm-svn: 76747

llvm-svn: 76744

llvm-svn: 76736

be placed in the standard data / bss sections.

llvm-svn: 76735

there is no MachineFunction here.

llvm-svn: 76734

on linux platforms.  The binutils assembler does not
recognize the "s" flag, see for example
http://sourceware.org/binutils/docs/as/Section.html 

llvm-svn: 76733