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Author SHA1 Message Date
Chris Lattner
b255aee77a Use the GV version of getNameWithPrefix in TargetLoweringObjectFileCOFF:: 
SelectSectionForGlobal, unbreaking weak globals with no-name.

llvm-svn: 93336
 2010-01-13 19:19:17 +00:00
Evan Cheng
0fa1e2d063 Commit some changes I had managed to lose last night while refactoring the code. Avoid change use of PHI instructions because it's not legal to insert any instructions before them. 
This fixes PR6027.

llvm-svn: 93335
 2010-01-13 19:16:39 +00:00
Chris Lattner
10021a1e25 just finish MCizing FnStubInfo which cleans it up and simplifies it. 
llvm-svn: 93334
 2010-01-13 19:13:16 +00:00
Chris Lattner
5c38b08b40 don't call getNameWithPrefix repeatedly and unnecesarily. 
llvm-svn: 93333
 2010-01-13 19:05:36 +00:00
Chris Lattner
6b0af1d420 properly use MCSymbol to print the strings aquired from getNameWithPrefix. 
llvm-svn: 93332
 2010-01-13 19:00:57 +00:00
Benjamin Kramer
5db856d384 Introduce Twine::toStringRef, a variant of toVector which avoids the copy if the 
twine can be represented as a single StringRef. Use the new methode to simplify
some twine users.

llvm-svn: 93317
 2010-01-13 12:45:23 +00:00
Evan Cheng
2afc417122 Re-enable extension optimization pass. 
llvm-svn: 93313
 2010-01-13 08:45:40 +00:00
Chris Lattner
d63a5fea41 upgrade and MC'ize a few uses of makeNameProper. 
llvm-svn: 93310
 2010-01-13 08:08:33 +00:00
Chris Lattner
34047fe59f MC'ize this a bit and upgrade APIs 
llvm-svn: 93309
 2010-01-13 08:04:24 +00:00
Chris Lattner
29a0ff2e70 add a fixme, ELF MCSection isn't quite right and weak unnamed globals are broken 
on linux (even though they are pointless, they shouldn't ICE).

llvm-svn: 93308
 2010-01-13 08:02:14 +00:00
Evan Cheng
98af245e5f For now, avoid issuing extract_subreg to reuse lower 8-bit, it's not safe in 32-bit. 
llvm-svn: 93307
 2010-01-13 08:01:32 +00:00
Evan Cheng
f6f274ef64 Add comment; refactor; avoid pulling in DT if it's not used. 
llvm-svn: 93306
 2010-01-13 07:59:13 +00:00
Chris Lattner
f2090cf7fd eliminate some uses of Mangler::makeNameProper. 
llvm-svn: 93305
 2010-01-13 07:56:59 +00:00
Chris Lattner
ba8b3ed4f1 don't add the \1 to the name. 
llvm-svn: 93304
 2010-01-13 07:50:21 +00:00
Chris Lattner
1b6c061cd0 remove uses of deprecated functions, this generates slightly 
different BlockAddress labels, but nothing semantically important.

Add a FIXME that BlockAddress codegen is broken if the LLVM BB has 
an empty name (e.g. strip was run).

llvm-svn: 93303
 2010-01-13 07:30:49 +00:00
Chris Lattner
086d0d1a2b use the new form of getNameWithPrefix, not makeNameProper. 
Among other things, this would do very weird things if the 
basic block name had (e.g.) a space in it on darwin:
makeNameProper would add quotes, then the mcsymbol would 
escape the quotes.

llvm-svn: 93302
 2010-01-13 07:16:53 +00:00
Chris Lattner
9c1ca33ac3 add new isSingleStringRef()/getSingleStringRef() methods to twine, 
and use them to avoid a copy of a string in getNameWithPrefix in
the common case.  It seems like Value::setName and other places 
should use this as well?

llvm-svn: 93301
 2010-01-13 07:12:06 +00:00
Chris Lattner
951cfb6b8b ugh, my last patch just sped up a method and changed all the clients 
that I want to completely eliminate.  Add fixme's so I remember this
in the future, and add the missing helper that they should be upgraded
to use instead.

llvm-svn: 93300
 2010-01-13 07:01:09 +00:00
Chris Lattner
3c2fad1fc6 change Mangler::makeNameProper to return its result in a SmallVector 
instead of returning it in an std::string.  Based on this change:

1. Change TargetLoweringObjectFileCOFF::getCOFFSection to take a StringRef
2. Change a bunch of targets to call makeNameProper with a smallstring,
   making several of them *much* more efficient.
3. Rewrite Mangler::makeNameProper to not build names and then prepend
   prefixes, not use temporary std::strings, and to avoid other crimes.

llvm-svn: 93298
 2010-01-13 06:38:18 +00:00
Chris Lattner
23127baf26 my mistake, Mangler::makeNameProper wants to take a twine, not a stringref! 
llvm-svn: 93296
 2010-01-13 05:02:57 +00:00
Chris Lattner
b8f828a848 change makeNameProper to take a stringref instead of std::string. 
llvm-svn: 93295
 2010-01-13 04:55:33 +00:00
Chris Lattner
a8deef7d39 give StringRef a const_iterator member. 
llvm-svn: 93294
 2010-01-13 04:50:20 +00:00
Chris Lattner
e8e56916d1 fix assert in AsmPrinter::EmitGlobalConstantLargeInt to match reality. 
llvm-svn: 93293
 2010-01-13 04:39:46 +00:00
Chris Lattner
633c7a95c5 reduce nesting and code duplication in AsmPrinter::EmitGlobalConstantLargeInt. 
llvm-svn: 93292
 2010-01-13 04:38:16 +00:00
Chris Lattner
4e95cbcd12 reduce indentation and add a fast-path to EmitGlobalConstant for 8-byte 
integers on 64-bit systems.

llvm-svn: 93291
 2010-01-13 04:34:19 +00:00
Chris Lattner
452f5ad8f2 reduce indentation and use early exits in AsmPrinter::EmitConstantValueOnly 
llvm-svn: 93290
 2010-01-13 04:29:19 +00:00
Victor Hernandez
6de2f65f80 Revert 93270 pending investigation of how stray non-constant values end up in ValueEnumerator's ValueList during WriteConstants() 
llvm-svn: 93289
 2010-01-13 03:18:30 +00:00
Evan Cheng
973fceab0c Disable opt-ext pass to unbreak the build for now. 
llvm-svn: 93286
 2010-01-13 01:51:43 +00:00
Evan Cheng
7fcebf982c Remove debug option I accidentally left in. 
llvm-svn: 93285
 2010-01-13 01:43:20 +00:00
Dale Johannesen
ee679ebe05 Fix a comment. 
llvm-svn: 93284
 2010-01-13 01:39:38 +00:00
Ted Kremenek
2d9c86e98b Update CMake file. 
llvm-svn: 93283
 2010-01-13 01:02:47 +00:00
Jakob Stoklund Olesen
2d819b93a2 Remove the JustSP single-register regclass. 
It was only being used by instructions with the t_addrmode_sp addressing mode,
and that is pattern matched in a way that guarantees SP is used. There is
never any register allocation done from this class.

llvm-svn: 93280
 2010-01-13 00:43:06 +00:00
Jeffrey Yasskin
59ca529e20 Try to fix the ARM and PPC buildbots. The -mattr=vector-unaligned-mem 
flag doesn't exist there, and this is an x86 test.

llvm-svn: 93279
 2010-01-13 00:31:43 +00:00
Evan Cheng
76db3bb18e Add a quick pass to optimize sign / zero extension instructions. For targets where the pre-extension values are available in the subreg of the result of the extension, replace the uses of the pre-extension value with the result + extract_subreg. 
For now, this pass is fairly conservative. It only perform the replacement when both the pre- and post- extension values are used in the block. It will miss cases where the post-extension values are live, but not used.

llvm-svn: 93278
 2010-01-13 00:30:23 +00:00
Dale Johannesen
1738d7d11a Further progration of metadata operands. The 
dumper doesn't really do what I want yet, but
at least it doesn't crash now.

llvm-svn: 93272
 2010-01-13 00:00:24 +00:00
Victor Hernandez
9b62aee9ad Make WriteConstants() more robust against stray values in ValueEnumerator's ValueList 
llvm-svn: 93270
 2010-01-12 23:37:59 +00:00
Bob Wilson
0ec53edad3 Fix a comment typo. 
llvm-svn: 93261
 2010-01-12 22:18:56 +00:00
Chris Lattner
d7d6a7d76a use consistent tag kinds for ilist_traits 
llvm-svn: 93259
 2010-01-12 22:00:04 +00:00
Chris Lattner
21bbaf49d5 1) Use the new SimplifyInstructionsInBlock routine instead of the copy 
in JT.

2) When cloning blocks for PHI or xor conditions, use
instsimplify to simplify the code as we go.  This allows us to 
squish common cases early in JT which opens up opportunities for
subsequent iterations, and allows it to completely simplify the
testcase.

llvm-svn: 93253
 2010-01-12 20:41:47 +00:00
Chris Lattner
87f86498c3 add a helper function. 
llvm-svn: 93251
 2010-01-12 19:40:54 +00:00
Devang Patel
1d9c156df2 Use Twine, instead of StringRef, for consistency. 
llvm-svn: 93249
 2010-01-12 18:57:56 +00:00
Devang Patel
2a6c413df3 Use ilist_tratis to autoinsert and remove NamedMDNode from MDSymbolTable. 
llvm-svn: 93247
 2010-01-12 18:34:06 +00:00
Evan Cheng
bc0b06fb16 Eliminate or_not_add and just use AddedComplexity so isel tries or_is_add patterns first. 
llvm-svn: 93245
 2010-01-12 18:31:19 +00:00
Evan Cheng
0dddace5f1 Add nounwind. 
llvm-svn: 93244
 2010-01-12 18:29:23 +00:00
Duncan Sands
395053f13a Revert commit 93204, since it causes the assembler to barf 
on x86-64 linux with messages like this:
Error: Incorrect register `%r14' used with `l' suffix

llvm-svn: 93242
 2010-01-12 17:46:16 +00:00
Duncan Sands
1c71358944 Fix typo. 
llvm-svn: 93235
 2010-01-12 08:30:46 +00:00
Duncan Sands
f558d05561 Tweak commit 91745, which changed target data for both Mingw and Cygwin, 
to not touch Cygwin: the change caused llvm-gcc build failures due to
long double getting the wrong size.  Patch by Aaron Gray.

llvm-svn: 93234
 2010-01-12 08:21:07 +00:00
Dan Gohman
a48d524fbc Make several tests less fragile. 
llvm-svn: 93230
 2010-01-12 04:52:47 +00:00
Dan Gohman
51b3e804dc Reapply the MOV64r0 patch, with a fix: MOV64r0 clobbers EFLAGS. 
llvm-svn: 93229
 2010-01-12 04:42:54 +00:00
Dan Gohman
2cd1b789c7 Update a partially obsolete comment. 
llvm-svn: 93228
 2010-01-12 04:32:35 +00:00