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Author SHA1 Message Date
Owen Anderson
1dd035d64f Add a test for performing GVNPRE on select instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37782 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-28 23:50:31 +00:00
Dan Gohman
b6f5b00c3b Add new TargetLowering code to provide the final register type that an 
illegal value type will be transformed to, for code that needs the
register type after all transformations instead of just after the first
transformation.

Factor out the code that uses this information to do copy-from-regs and
copy-to-regs for various purposes into separate functions so that they
are done consistently.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37781 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-28 23:29:44 +00:00
Devang Patel
28552da9c3 Fix PR 1526. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37780 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-28 23:09:25 +00:00
Dan Gohman
8b42bcdd1a Add a default parameter to a SmallVector constructor to allow it to 
be called with just an initial length value, just like in std::vector.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37779 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-28 20:27:24 +00:00
Lauro Ramos Venancio
00d8a84b44 Fix a bug in my previous patch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37778 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-28 20:06:38 +00:00
David Greene
a696d24ad2 Add support for building with _GLIBCXX_DEBUG. New configure option 
--enable-expensive-checks allows the developer to enable runtime
checking that can greatly increase compile time.  Currently it only
turns on _GLIBCXX_DEBUG.  Other expensive debugging checks added later
should be controlled by this configure option.

This patch also updates llvm-config with a --cppflags option to inform
llvm-gcc how to build itself so that it is compatible with an llvm that
was built with _GLIBCXX_DEBUG.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37777 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-28 19:36:08 +00:00
Lauro Ramos Venancio
31ed0fb804 When linking two modules, we should copy the alias. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37776 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-28 19:02:54 +00:00
Devang Patel
ef6ba18a4c Remove unnecessary comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37774 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-28 02:11:54 +00:00
Devang Patel
dc3a207e78 Handle the case when block dominates itself. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37773 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-28 02:07:08 +00:00
Devang Patel
eb62eca503 - Undo previous check and allow loop switch for condtion that is not inside 
loop.
- Avoid loop unswich for loop header branch.
- While cloning dominators fix typo and handle self dominating blocks.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37772 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-28 02:05:46 +00:00
Devang Patel
cce624a7a9 Update LoopUnswitch pass to preserve DomiantorTree. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37771 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-28 00:49:00 +00:00
Devang Patel
558f1b8439 If a condition is not inside a loop then the condition is suitable 
to loop unswitch candidate for the loop.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37770 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-28 00:44:10 +00:00
Owen Anderson
a20f35d2e7 Make many sets a much more reasonable size. This decreases the time to optimize 
Anton's testcase from 35.5s to 34.7s.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37769 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-28 00:34:34 +00:00
Bill Wendling
1a636de33b Set implied features based upon the CPU's feature list. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37768 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-27 23:34:06 +00:00
Devang Patel
d23cd2a0bf Update. Now, -etforest is an invalid option. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37767 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-27 22:58:12 +00:00
Lauro Ramos Venancio
4a828eeed3 llvm-nm must print the alias symbols. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37766 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-27 22:08:09 +00:00
Devang Patel
1ceda1d63e Remove ETForest. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37765 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-27 20:53:52 +00:00
Evan Cheng
292da949f6 If a livein is not used in the block. It's live through. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37764 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-27 18:47:28 +00:00
Evan Cheng
e47c333a12 Partial fix for PR1502: If a EH register is needed in a successor of landing pad, add it as livein to all the blocks in the paths between the landing pad and the specified block. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37763 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-27 18:45:32 +00:00
Owen Anderson
68cb52e468 Use cached information that has already been computed to make clean() simpler and faster. This is a small speedup on most cases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37761 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-27 17:38:29 +00:00
Evan Cheng
5e4f292e53 One additional field in TargetRegisterDesc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37760 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-27 17:09:34 +00:00
Owen Anderson
7b317d2f59 Fold a lot of code into two cases: binary instructions and ternary instructions. 
This saves many lines of code duplication.  No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37759 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-27 17:03:03 +00:00
Dan Gohman
6595cb3000 Rename ("shrinkify") MVT::isExtendedValueType to MVT::isExtendedVT. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37758 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-27 16:08:04 +00:00
Dan Gohman
c56b9e9f55 Document the encoding of MVT::ValueType. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37757 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-27 15:28:26 +00:00
Dan Gohman
6445f61806 Remove a redundant newline in the asm output for ELF .rodata sections. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37756 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-27 15:09:47 +00:00
Dan Gohman
8c8c5fcbd7 Use getVectorTypeBreakdown in FunctionLoweringInfo::CreateRegForValue 
to compute the number and type of registers needed for vector values
instead of computing it manually. This fixes PR1529.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37755 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-27 14:34:07 +00:00
Dan Gohman
0ce4b8eda3 Allow DOUT to be used outside of the llvm namespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37753 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-27 14:09:38 +00:00
Dan Gohman
89b20c07e9 Make the comment for ScalarizeVectorOp mention that it is only for use 
with single-element vectors.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37752 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-27 14:06:22 +00:00
Zhou Sheng
0d7d3656f3 Fix a bug. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37751 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-27 09:50:26 +00:00
Duraid Madina
df82c93f2a ok, this is something of a dirty hack, but it seems to work. (fixes e.g. 
the SPASS miscompilation)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37750 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-27 09:01:14 +00:00
Duraid Madina
b2efabd571 ok, this much doesn't seem to bork anything 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37749 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-27 08:31:07 +00:00
Duraid Madina
4e378c6504 revert evan's fixes (and my doofusness) since they had a huge code 
quality hit. will look at this soon.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37748 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-27 08:11:59 +00:00
Duraid Madina
669f7382be pull evan's fixes - should help the nightly tester (but there are still 
some issues)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37747 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-27 07:07:13 +00:00
Evan Cheng
041040717d Replace std::set with SmallPtrSet. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37746 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-27 05:23:00 +00:00
Owen Anderson
62cf8babdb Add support for performing GVNPRE on the three vector-specific operations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37745 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-27 04:10:46 +00:00
Owen Anderson
cc389e016c Add tests for performing GVNPRE on the three vector-specific instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37744 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-27 04:06:32 +00:00
Evan Cheng
75611fb4e6 Fix an obvious bug. Old code only worked for the entry block. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37743 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-27 01:16:36 +00:00
Owen Anderson
6032a5ba64 1. Correct some comments and clean up some dead code. 
2. When calculating ANTIC_IN, only iterate the changed blocks.  For most average
inputs this is a small speedup, but for cases with unusual CFGs, this can be a significant win.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37742 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-26 23:29:41 +00:00
Evan Cheng
c33aa47130 Add comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37741 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-26 21:19:07 +00:00
Evan Cheng
7ac19afbb1 Correctly handle implcit def / use operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37740 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-26 21:05:13 +00:00
Evan Cheng
4efe74129f Properly handle kills of a physical register which has sub-registers that are read by later instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37739 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-26 21:03:35 +00:00
Evan Cheng
c4f2fe0694 Add immediate sub-registers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37738 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-26 20:59:16 +00:00
Evan Cheng
e2446c6076 Silence a warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37737 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-26 18:31:22 +00:00
Reid Spencer
c9a15d5091 Update for Subversion conversion: 
1. Fix comments for -usesvn and -svnurl options.
2. Fix default URL for SVN access.
3. Fix paths to accommodate "trunk" when checking out from SVN.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37736 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-26 17:08:16 +00:00
Dan Gohman
4d2a0f5bd6 Replace ?: with if statements, for clarity. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37735 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-26 16:19:08 +00:00
Dan Gohman
25aceacb29 Simplify the expression for MVT::isExtendedValueType. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37733 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-26 15:20:04 +00:00
Dan Gohman
71d7794856 Simplify the expression for TargetLowering::isTypeLegal. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37732 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-26 15:16:27 +00:00
Dan Gohman
acaf32e236 Use utostr from StringExtras.h instead of ostringstream from <sstream>. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37731 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-26 15:14:48 +00:00
Dan Gohman
798cb2ab82 Renumber the SimpleValueType values to fill in the hole left by 
removing MVT::Vector.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37730 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-26 14:28:59 +00:00
Dan Gohman
d45eddd214 Revert the earlier change that removed the M_REMATERIALIZABLE machine 
instruction flag, and use the flag along with a virtual member function
hook for targets to override if there are instructions that are only
trivially rematerializable with specific operands (i.e. constant pool
loads).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37728 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-26 00:48:07 +00:00