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Author SHA1 Message Date
Jim Grosbach
d3d283dc19 Dwarf EH prepare needs to be run after SjLj prepare. Otherwise, 
catch info can get misplaced when a selector ends up more than one block
removed from the parent invoke(s). This could happen when a landing pad is
shared by multiple invokes and is also a target of a normal edge from
elsewhere.

llvm-svn: 93456
 2010-01-14 21:22:16 +00:00
Chris Lattner
c0321eb1aa introduce MCParsedAsmOperand 
llvm-svn: 93455
 2010-01-14 21:21:40 +00:00
Chris Lattner
001a94a0e3 introduce the MCParsedAsmOperand class. 
llvm-svn: 93454
 2010-01-14 21:20:55 +00:00
Evan Cheng
595cdb7091 Small tweak to inline cost computation. Ext of i/fcmp results are mostly optimized away in codegen. 
llvm-svn: 93453
 2010-01-14 21:04:31 +00:00
Anton Korobeynikov
d7f6117539 Remove spurious semicolon. 
Patch by Diego Iastrubni!

llvm-svn: 93450
 2010-01-14 20:19:51 +00:00
Victor Hernandez
ff4f0aa119 In debug builds, assert that function-local metadata has only 1 parent function 
llvm-svn: 93449
 2010-01-14 20:12:34 +00:00
Eric Christopher
b2708c4ba1 Reduce the inlining cost of functions that contain calls to easily, 
and frequently optimized functions.

llvm-svn: 93448
 2010-01-14 20:12:34 +00:00
Victor Hernandez
23d77b1e51 Simplify code that chooses when to enumerate function-local metadata operands 
llvm-svn: 93446
 2010-01-14 19:54:11 +00:00
Victor Hernandez
292297e8e2 Avoid modifying ValueEnumerator's MD ValueList by choosing which function-local MD to write based on the function currently being written 
llvm-svn: 93441
 2010-01-14 19:38:44 +00:00
Jakob Stoklund Olesen
97a8d154fb ARM "l" constraint for inline asm means R0-R7, also for Thumb2. 
This is consistent with llvm-gcc's arm/constraints.md.

Certain instructions (e.g. CBZ, CBNZ) require a low register, even in Thumb2
mode.

llvm-svn: 93436
 2010-01-14 18:19:56 +00:00
Bill Wendling
56464738cc Use ENABLE_ASSERTIONS throughout. 
llvm-svn: 93423
 2010-01-14 10:19:55 +00:00
Dan Gohman
7c596d2b00 Fix a codegen abort seen in 483.xalancbmk. 
llvm-svn: 93417
 2010-01-14 03:08:49 +00:00
Evan Cheng
71b4e96580 Test for r93409. 
llvm-svn: 93410
 2010-01-14 02:24:50 +00:00
Victor Hernandez
e5f811e0a6 Extend testcase to also test llvm.dbg.value intrinsic 
llvm-svn: 93408
 2010-01-14 02:12:41 +00:00
Victor Hernandez
70e33c3acd Now that LLParser, AsmWriter, BitcodeReader, and BitcodeWriter all correctly support function-local metadata, test it. 
llvm-svn: 93406
 2010-01-14 01:51:28 +00:00
Victor Hernandez
6878a7e7b6 In WriteFunction(), write function-local metadata before we write the instructions, so instruction's references to metadata are fully resolved by the time they get written. 
llvm-svn: 93403
 2010-01-14 01:50:08 +00:00
Victor Hernandez
36a22e479a Fix printing of function-local metadata in AsmWriter 
llvm-svn: 93402
 2010-01-14 01:47:37 +00:00
Victor Hernandez
367ef8bf4a Clean up unnecessary return and brackets 
llvm-svn: 93401
 2010-01-14 01:46:02 +00:00
Victor Hernandez
cc00507183 Add MDNode::getFunction(), which figures out the metadata's function, if it has function that it is local to. 
llvm-svn: 93400
 2010-01-14 01:45:14 +00:00
Jakob Stoklund Olesen
5fdcc970a2 Don't fold insufficiently aligned ldr/str into ldm/stm instructions. 
An unaligned ldr causes a trap, and is then emulated by the kernel with
awesome performance. The darwin kernel does not emulate unaligned ldm/stm
Thumb2 instructions, so don't generate them.

This fixes the miscompilation of Multisource/Applications/JM/lencod for Thumb2.

Generating unaligned ldr/str pairs from a 16-bit aligned memcpy is probably
also a bad idea, but that is beyond the scope of this patch.

llvm-svn: 93393
 2010-01-14 00:54:10 +00:00
Stuart Hastings
a27112f01a Erm, previous patch was wrong; Thanks Bill\! 
llvm-svn: 93381
 2010-01-14 00:34:53 +00:00
Stuart Hastings
47cfd4abc0 Enable assertions by default for Apple-style builds. 
llvm-svn: 93380
 2010-01-14 00:22:05 +00:00
Chris Lattner
72a06499b3 this is an SSE-specific issue. 
llvm-svn: 93373
 2010-01-13 23:29:11 +00:00
Chris Lattner
0aa093dbdf X86 if conversion + tail merging issues from PR6032. 
llvm-svn: 93372
 2010-01-13 23:28:40 +00:00
Bill Wendling
488a7187b4 When the visitSub method was split into visitSub and visitFSub, this xform was 
added to the FSub version. However, the original version of this xform guarded
against doing this for floating point (!Op0->getType()->isFPOrFPVector()).

This is causing LLVM to perform incorrect xforms for code like:

void func(double *rhi, double *rlo, double xh, double xl, double yh, double yl){
  double mh, ml;
  double c = 134217729.0;
  double up, u1, u2, vp, v1, v2;
        
  up = xh*c;
  u1 = (xh - up) + up;
  u2 = xh - u1;
        
  vp = yh*c;
  v1 = (yh - vp) + vp;
  v2 = yh - v1;
        
  mh = xh*yh;
  ml = (((u1*v1 - mh) + (u1*v2)) + (u2*v1)) + (u2*v2);
  ml += xh*yl + xl*yh;
        
  *rhi = mh + ml;
  *rlo = (mh - (*rhi)) + ml;
}

The last line was optimized away, but rl is intended to be the difference
between the infinitely precise result of mh + ml and after it has been rounded
to double precision.

llvm-svn: 93369
 2010-01-13 23:23:17 +00:00
Tobias Grosser
fc9e55b439 Add getSource() to SuccIterator 
Get the source BB of an iterator.

llvm-svn: 93364
 2010-01-13 22:21:43 +00:00
Tobias Grosser
44e38a98c5 Extend SuccIterator 
Implement most of the missing methods to make SuccIterator random access.
operator[] is still missing.

llvm-svn: 93363
 2010-01-13 22:21:28 +00:00
Chris Lattner
b5605b72b7 this test requires SSE, thanks to jyasskin for pointing this out. 
llvm-svn: 93360
 2010-01-13 21:51:41 +00:00
Chris Lattner
e73ff5ecc3 makeNameProper is now private! 
llvm-svn: 93357
 2010-01-13 21:31:39 +00:00
Chris Lattner
4ce6464609 fix ELF section mangling stuff for weak symbols to not use 
obsolete Mangler interfaces.

llvm-svn: 93356
 2010-01-13 21:29:21 +00:00
Victor Hernandez
55e8dacfed Fix comment typo 
llvm-svn: 93355
 2010-01-13 21:25:04 +00:00
Chris Lattner
c073f1009a tidy 
llvm-svn: 93352
 2010-01-13 21:21:29 +00:00
Chris Lattner
4dcb71cc65 reduce duplicate mangling logic by using MCSymbol::printMangledName. 
llvm-svn: 93351
 2010-01-13 21:12:34 +00:00
Chris Lattner
9498bee8a3 expose a static function as a static method on the MCSymbol class. 
llvm-svn: 93350
 2010-01-13 21:09:59 +00:00
Johnny Chen
08c211683b Fixed a couple of places for Thumb MOV where encoding bits are underspecified. 
llvm-svn: 93349
 2010-01-13 21:00:26 +00:00
Jakob Stoklund Olesen
27e36e52f5 Fix pasto 
llvm-svn: 93342
 2010-01-13 19:54:39 +00:00
Chris Lattner
6d1ddfeff2 stop the CBE from using deprecated Mangler stuff. 
llvm-svn: 93341
 2010-01-13 19:54:07 +00:00
Victor Hernandez
d250df09f5 Write function-local metadata as a metadata subblock of a funciton block 
llvm-svn: 93339
 2010-01-13 19:37:33 +00:00
Victor Hernandez
9938929f1f Enumerate function-local metadata (and its types and operands) only during function-incorporation, global metadata continues to be enumerated during creation of ValueEnumerator 
llvm-svn: 93338
 2010-01-13 19:36:16 +00:00
Victor Hernandez
4e63ccc1c3 Parse function-local metadata inside function blocks 
llvm-svn: 93337
 2010-01-13 19:34:08 +00:00
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