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Author SHA1 Message Date
Neil Booth
0613ec4ee6 Fix and clarify some comments. 
llvm-svn: 42670
 2007-10-06 00:43:45 +00:00
Neil Booth
2c4419d71b Generalize tcFullMultiply so that the operands can be of differing 
part widths.  Also, return the number of parts actually required to
hold the result's value.
Remove an over-cautious condition from rounding of float->hex conversion.

llvm-svn: 42669
 2007-10-06 00:24:48 +00:00
Gordon Henriksen
8d97ababb0 Wrapping Value::dump. 
llvm-svn: 42668
 2007-10-06 00:08:49 +00:00
Gordon Henriksen
543f859a00 Removing the silly CHelpers header by rolling wrap and unwrap into the C 
bindings headers themselves, hidden behind #ifdef __cplusplus.

llvm-svn: 42666
 2007-10-05 23:59:36 +00:00
Evan Cheng
0a642eaa62 Test case for 3-address conversion. 
llvm-svn: 42664
 2007-10-05 23:33:09 +00:00
Evan Cheng
9af50ee6ef Commute x86 cmove instructions by swapping the operands and change the condition 
to its inverse.
Testing this as llcbeta

llvm-svn: 42661
 2007-10-05 23:13:21 +00:00
Evan Cheng
e0e36e4a0e This is done. 
llvm-svn: 42656
 2007-10-05 22:34:59 +00:00
Evan Cheng
dc467c6323 Enable convertToThreeAddress for X86 by default. 
llvm-svn: 42655
 2007-10-05 22:31:10 +00:00
Devang Patel
36b68478cb Fix bug in updating dominance frontier after loop 
unswitch when frontier includes basic blocks that 
are not inside loop.

llvm-svn: 42654
 2007-10-05 22:29:34 +00:00
Evan Cheng
2b3122e56e INC64_32r -> LEA64_32r is better than INC64_32r -> LEA32r, but it still can 
cause performance degradation.

llvm-svn: 42653
 2007-10-05 21:55:32 +00:00
Evan Cheng
688f34a273 In 64-bit mode, avoid using leal with 32-bit 32-bit address size, e.g. 
leal 1(%ecx), %edi, which requires 67H prefix.

llvm-svn: 42647
 2007-10-05 20:34:26 +00:00
Dale Johannesen
c7b51b678d First round of ppc long double. call/return and 
basic arithmetic works.
Rename RTLIB long double functions to distinguish
different flavors of long double; the lib functions
have different names, alas.

llvm-svn: 42644
 2007-10-05 20:04:43 +00:00
Evan Cheng
b069dd6a25 Add support to convert more 64-bit instructions to 3-address instructions. 
llvm-svn: 42642
 2007-10-05 18:20:36 +00:00
Evan Cheng
f658191412 ADC and SBB uses EFLAGS. 
llvm-svn: 42640
 2007-10-05 17:59:57 +00:00
Chris Lattner
c604dd270a Mark count method const. 
llvm-svn: 42639
 2007-10-05 17:40:38 +00:00
Dan Gohman
821635b63f Change a few more spaces to tabs in assembly output. 
llvm-svn: 42638
 2007-10-05 15:58:41 +00:00
Dan Gohman
950f96e456 Change a space to a tab in the assembly output of a .globl directive 
for consistency.

llvm-svn: 42637
 2007-10-05 15:54:58 +00:00
Dan Gohman
06e6956edb Legalize support for MUL_LOHI and DIVREM. 
llvm-svn: 42636
 2007-10-05 14:17:22 +00:00
Dan Gohman
6132098d91 Fix a typo in a comment. 
llvm-svn: 42635
 2007-10-05 14:11:58 +00:00
Dan Gohman
dab5fa8685 Provide names for MUL_LOHI and DIVREM operators. 
llvm-svn: 42634
 2007-10-05 14:11:04 +00:00
Dan Gohman
bc0aadce14 SMUL_LOHI and UMUL_LOHI are commutative. 
llvm-svn: 42633
 2007-10-05 14:09:33 +00:00
Dan Gohman
148f07390d Define target-indepenent SDNode types for multiply and divide that 
produce two results.

llvm-svn: 42632
 2007-10-05 14:07:56 +00:00
Duncan Sands
922a92a9e2 Fix typo in comment. 
llvm-svn: 42631
 2007-10-05 10:37:00 +00:00
Evan Cheng
4e46ad06fe Testing convertToThreeeAddress as X86 llcbeta. 
llvm-svn: 42630
 2007-10-05 08:04:01 +00:00
Daniel Berlin
7cb8b28613 Fix intersectWithComplement bug noticed by Curtis Dunham 
Optimize |= case for empty RHS

llvm-svn: 42629
 2007-10-05 05:10:53 +00:00
Evan Cheng
6fd2606ff5 New test case. 
llvm-svn: 42628
 2007-10-05 01:44:22 +00:00
Evan Cheng
ed7614b4d6 Chain producing nodes cannot be moved, not chain reading nodes. 
llvm-svn: 42627
 2007-10-05 01:42:35 +00:00
Evan Cheng
20239e9725 Oops. Didn't mean to leave this in. 
llvm-svn: 42626
 2007-10-05 01:39:40 +00:00
Evan Cheng
de07843bf3 If a node that defines a physical register that is expensive to copy. The 
scheduler will try a number of tricks in order to avoid generating the
copies. This may not be possible in case the node produces a chain value
that prevent movement. Try unfolding the load from the node before to allow
it to be moved / cloned.

llvm-svn: 42625
 2007-10-05 01:39:18 +00:00
Evan Cheng
6e5205d379 Added storeRegToAddr, loadRegFromAddr, and unfoldMemoryOperand's. 
llvm-svn: 42624
 2007-10-05 01:34:55 +00:00
Evan Cheng
32766d3518 Not needed any more. 
llvm-svn: 42623
 2007-10-05 01:34:14 +00:00
Evan Cheng
d2ef8c689e Forgot these. 
llvm-svn: 42622
 2007-10-05 01:33:45 +00:00
Evan Cheng
f536e2f41e - Added a few target hooks to generate load / store instructions from / to any 
address (not just from / to frameindexes).
- Added target hooks to unfold load / store instructions / SDNodes into separate
load, data processing, store instructions / SDNodes.

llvm-svn: 42621
 2007-10-05 01:32:41 +00:00
Evan Cheng
5ae84c0fa6 Add a variant of getTargetNode() that takes a vector of MVT::ValueType. 
llvm-svn: 42620
 2007-10-05 01:10:49 +00:00
Evan Cheng
ec6d5655c6 Silence a warning. 
llvm-svn: 42619
 2007-10-05 01:09:32 +00:00
Daniel Berlin
cf42f07a47 Fix the previous bug a slightly different way (by modifying how find_next works) 
llvm-svn: 42613
 2007-10-04 21:27:17 +00:00
Daniel Berlin
bbe5e56458 Fix off by one error in iterator 
llvm-svn: 42612
 2007-10-04 21:18:20 +00:00
Bill Wendling
8fa43b0ffc Support Objective C++ too. 
llvm-svn: 42610
 2007-10-04 18:47:25 +00:00
Bill Wendling
4ff1a54e83 Added testcase for creation of metadata with null pointers. 
llvm-svn: 42609
 2007-10-04 18:46:06 +00:00
Chris Lattner
4224151a44 add a note. 
llvm-svn: 42607
 2007-10-04 15:47:27 +00:00
Bill Wendling
14f557b7b0 un-XFAIL this test. 
llvm-svn: 42606
 2007-10-04 09:33:08 +00:00
Daniel Berlin
cd14e3d42a It helps a lot when you check for the end of your list before randomly 
dereferencing things.

llvm-svn: 42605
 2007-10-04 05:29:36 +00:00
Daniel Berlin
a4df074d31 Make SparseBitVector::set actually work properly when sets are not in ascending or descending order. 
llvm-svn: 42604
 2007-10-04 05:25:51 +00:00
Gordon Henriksen
e2d253991d Do use the actual ocaml stdlib (not the install dir) to find the 
caml/*.h headers.

llvm-svn: 42599
 2007-10-04 00:07:50 +00:00
Neil Booth
2dc065755d Add APFloat -> hexadecimal string conversion, as per %a and %A in C99. 
Useful for diagnostics and debugging.

llvm-svn: 42598
 2007-10-03 22:26:02 +00:00
Owen Anderson
cb51170957 Completely merge the implementation details of DomTree and PostDomTree. 
Also, add a FIXME for a bug in PostDomTree calculation I noticed while writing this,

llvm-svn: 42593
 2007-10-03 21:25:45 +00:00
Owen Anderson
7d39d6d4cb Add a GraphTraits partial specialization to make the inverse of an inverse be the same as the underlying graph. 
llvm-svn: 42592
 2007-10-03 21:24:38 +00:00
Devang Patel
5efcf79cf3 Fix 80 col violation. 
llvm-svn: 42591
 2007-10-03 21:17:43 +00:00
Devang Patel
1e2cced8b9 Refactor code in a separate method. 
llvm-svn: 42590
 2007-10-03 21:16:08 +00:00
Chris Lattner
de233151af Add initial iterator support for folding set. 
llvm-svn: 42589
 2007-10-03 21:12:09 +00:00