llvm-svn: 17819

llvm-svn: 17818

llvm-svn: 17817

class.  The only changes are minor:

 * Do not try to SCCP instructions that return void in the rewrite loop.
   This is silly and fool hardy, wasting a map lookup and adding an entry
   to the map which is never used.
 * If we decide something has an undefined value, rewrite it to undef,
   potentially leading to further simplications.

llvm-svn: 17816

llvm-svn: 17815

seemingly ubiquitous gettimeofday(3) call.

llvm-svn: 17813

  symbol table.
* Make sure we update the file pointer for each member when rebuilding the
  symbol table.

llvm-svn: 17812

llvm-svn: 17811

llvm-svn: 17810

returnn false if the file doesn't exist rather than throw ane exception.

llvm-svn: 17809

* Document StatusInfo fields better
* No lines > 80 cols
* Have getStatusInfo return bool if file doesn't exist
* Don't document in detail how temporary file name should be created.

llvm-svn: 17808

llvm-svn: 17807

llvm-svn: 17806

llvm-svn: 17805

llvm-svn: 17804

llvm-svn: 17803

llvm-svn: 17802

llvm-svn: 17801

llvm-svn: 17800

llvm-svn: 17799

llvm-svn: 17798

llvm-svn: 17797

llvm-svn: 17796

llvm-svn: 17795

llvm-svn: 17794

llvm-svn: 17793

llvm-svn: 17792

llvm-svn: 17791

llvm-svn: 17790

llvm-svn: 17789

llvm-svn: 17788

llvm-svn: 17787

llvm-svn: 17786

llvm-svn: 17785

llvm-svn: 17784

llvm-svn: 17783

llvm-svn: 17782

llvm-svn: 17781

* Implement getDirectoryContents * Implement getStatusInfo * Implement setStatusInfo * Implement renameFile

llvm-svn: 17780

llvm-svn: 17779