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21 Commits

Author SHA1 Message Date
Benjamin Kramer
d4d1f85aa7 Tweak MemoryBuffer to allocate the class itself, the name and possibly the 
buffer in the same chunk of memory.

2 less mallocs for every uninitialized MemoryBuffer and 1 less malloc for every
MemoryBuffer pointing to a memory range translate into 20% less mallocs on
clang -cc1 -Eonly Cocoa_h.m.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106839 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-25 11:50:40 +00:00
Dan Gohman
60e6f3d412 Add overloads for getFile and getFileOrSTDIN which take a const char * 
instead of a StringRef, avoiding the need to copy the string in the
common case.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106754 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-24 16:25:50 +00:00
Dan Gohman
30f30e4386 Add a comment explaining a non-obvious API. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106539 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 13:57:08 +00:00
Dan Gohman
30377e7809 Add basic error checking to MemoryBuffer::getSTDIN. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104855 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-27 17:31:51 +00:00
Chris Lattner
4c842dda39 stringref-ize the MemoryBuffer::get apis. This requires 
a co-committed clang patch.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100485 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-05 22:42:30 +00:00
Douglas Gregor
1bb30b6f75 Extend MemoryBuffer::getFile() to take an optional "stat" structure 
pointer. If given, the structure will be set with the stat information from
the file actually read.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98575 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-15 20:32:14 +00:00
Jeffrey Yasskin
f605773869 Remove spurious @verbatim. Patch by Timo Juhani Lindfors! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89252 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-18 22:04:44 +00:00
Daniel Dunbar
d65267ee62 Fix MemoryBuffer::getSTDIN to *not* return null if stdin is empty, this is a lame API. 
Also, Stringrefify some more MemoryBuffer functions, and add two performance FIXMEs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86630 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-10 00:43:58 +00:00
Chandler Carruth
8b67f774e9 Move DataTypes.h to include/llvm/System, update all users. This breaks the last 
direct inclusion edge from System to Support.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85086 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-26 01:35:46 +00:00
Daniel Dunbar
1464869cb3 Add MemoryBuffer::getBuffer() -> StringRef. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79903 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-24 09:29:24 +00:00
Misha Brukman
fe2cce63aa Removed trailing whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65196 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-20 22:51:36 +00:00
Evan Cheng
34cd4a484e Fix more -Wshorten-64-to-32 warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50659 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-05 18:30:58 +00:00
Chris Lattner
038112a4e0 Change the MemoryBuffer::getFile* methods to take just a pointer to the 
start of a filename, not a filename+length.  All clients can produce a
null terminated name, and the system api's require null terminated 
strings anyway.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49041 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-01 18:04:03 +00:00
Chris Lattner
7ed47a1335 Don't attribute in file headers anymore. See llvmdev for the 
discussion of this change.  Boy are my fingers tired. ;-)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45411 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-29 19:59:42 +00:00
Chris Lattner
2b1f1066ac Fix the Linker testcase regressions, by making MemoryBuffer::getFileOrSTDIN return 
a valid but empty buffer if stdin is empty.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44219 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-18 18:52:28 +00:00
Chris Lattner
3daae2701b Add new MemoryBuffer::getMemBufferCopy method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42815 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-09 21:46:38 +00:00
Reid Spencer
eb9422b19d Make it clear that getSTDIN returns null when stdin is empty. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40940 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-08 20:02:20 +00:00
Reid Spencer
181b6c9cb5 Fix minor doxygen nits. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40854 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-05 20:06:04 +00:00
Chris Lattner
5499da8833 Enhance MemoryBuffer to return error messages in strings if they occur. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36899 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-06 23:32:36 +00:00
Chris Lattner
e96eec0c69 Add a helper that either opens a file or stdin. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36835 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-06 04:41:59 +00:00
Chris Lattner
333ffd4abf Add a new memorybuffer class, to unify all the file reading code in the system 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36553 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-29 06:58:52 +00:00