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33251 Commits

Author SHA1 Message Date
Dan Gohman 0de7694de6 Fix an assertion failure in legalizing bitcast operators on targets where 
vectors are split down to single elements as part of legalization.

llvm-svn: 37785
 2007-06-29 00:09:08 +00:00
Evan Cheng 3bd318e298 Type of vector extract / insert index operand should be iPTR. 
llvm-svn: 37784
 2007-06-29 00:01:20 +00:00
Owen Anderson 8a9fa5d081 Add support for performing GVNPRE on select instructions. This fixes test/Transforms/GVNPRE/select.ll. 
llvm-svn: 37783
 2007-06-28 23:51:21 +00:00
Owen Anderson d630147c44 Add a test for performing GVNPRE on select instructions. 
llvm-svn: 37782
 2007-06-28 23:50:31 +00:00
Dan Gohman 7867793aff 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.

llvm-svn: 37781
 2007-06-28 23:29:44 +00:00
Devang Patel 9a259a20b3 Fix PR 1526. 
llvm-svn: 37780
 2007-06-28 23:09:25 +00:00
Dan Gohman 5f1a2052cd 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.

llvm-svn: 37779
 2007-06-28 20:27:24 +00:00
Lauro Ramos Venancio b2c3a67015 Fix a bug in my previous patch. 
llvm-svn: 37778
 2007-06-28 20:06:38 +00:00
David Greene cbc8ddf81a 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.

llvm-svn: 37777
 2007-06-28 19:36:08 +00:00
Lauro Ramos Venancio b00c9c0d50 When linking two modules, we should copy the alias. 
llvm-svn: 37776
 2007-06-28 19:02:54 +00:00
Devang Patel 4857576f75 Remove unnecessary comments. 
llvm-svn: 37774
 2007-06-28 02:11:54 +00:00
Devang Patel 7d4520f8ad Handle the case when block dominates itself. 
llvm-svn: 37773
 2007-06-28 02:07:08 +00:00
Devang Patel 6ba5ad482f - 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.

llvm-svn: 37772
 2007-06-28 02:05:46 +00:00
Devang Patel 3304e469f7 Update LoopUnswitch pass to preserve DomiantorTree. 
llvm-svn: 37771
 2007-06-28 00:49:00 +00:00
Devang Patel 3c723c8db7 If a condition is not inside a loop then the condition is suitable 
to loop unswitch candidate for the loop.

llvm-svn: 37770
 2007-06-28 00:44:10 +00:00
Owen Anderson e02da55cc8 Make many sets a much more reasonable size. This decreases the time to optimize 
Anton's testcase from 35.5s to 34.7s.

llvm-svn: 37769
 2007-06-28 00:34:34 +00:00
Bill Wendling f413419a72 Set implied features based upon the CPU's feature list. 
llvm-svn: 37768
 2007-06-27 23:34:06 +00:00
Devang Patel 279e501be4 Update. Now, -etforest is an invalid option. 
llvm-svn: 37767
 2007-06-27 22:58:12 +00:00
Lauro Ramos Venancio ed95f7fcb3 llvm-nm must print the alias symbols. 
llvm-svn: 37766
 2007-06-27 22:08:09 +00:00
Devang Patel c445982764 Remove ETForest. 
llvm-svn: 37765
 2007-06-27 20:53:52 +00:00
Evan Cheng df0c705d7d If a livein is not used in the block. It's live through. 
llvm-svn: 37764
 2007-06-27 18:47:28 +00:00
Evan Cheng 77f541ddfd 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. 
llvm-svn: 37763
 2007-06-27 18:45:32 +00:00
Owen Anderson 7dae8efcf2 Use cached information that has already been computed to make clean() simpler and faster. This is a small speedup on most cases. 
llvm-svn: 37761
 2007-06-27 17:38:29 +00:00
Evan Cheng 59e5e118ac One additional field in TargetRegisterDesc. 
llvm-svn: 37760
 2007-06-27 17:09:34 +00:00
Owen Anderson 0eb265729a Fold a lot of code into two cases: binary instructions and ternary instructions. 
This saves many lines of code duplication.  No functionality change.

llvm-svn: 37759
 2007-06-27 17:03:03 +00:00
Dan Gohman 3b62d7265d Rename ("shrinkify") MVT::isExtendedValueType to MVT::isExtendedVT. 
llvm-svn: 37758
 2007-06-27 16:08:04 +00:00
Dan Gohman 5179f91ef0 Document the encoding of MVT::ValueType. 
llvm-svn: 37757
 2007-06-27 15:28:26 +00:00
Dan Gohman 1cbdcac409 Remove a redundant newline in the asm output for ELF .rodata sections. 
llvm-svn: 37756
 2007-06-27 15:09:47 +00:00
Dan Gohman 7139a48057 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.

llvm-svn: 37755
 2007-06-27 14:34:07 +00:00
Dan Gohman cab6dd8ef2 Allow DOUT to be used outside of the llvm namespace. 
llvm-svn: 37753
 2007-06-27 14:09:38 +00:00
Dan Gohman f4e86da3a6 Make the comment for ScalarizeVectorOp mention that it is only for use 
with single-element vectors.

llvm-svn: 37752
 2007-06-27 14:06:22 +00:00
Zhou Sheng 8d438858c8 Fix a bug. 
llvm-svn: 37751
 2007-06-27 09:50:26 +00:00
Duraid Madina 95759c0e78 ok, this is something of a dirty hack, but it seems to work. (fixes e.g. 
the SPASS miscompilation)

llvm-svn: 37750
 2007-06-27 09:01:14 +00:00
Duraid Madina 89183dcc14 ok, this much doesn't seem to bork anything 
llvm-svn: 37749
 2007-06-27 08:31:07 +00:00
Duraid Madina a415dcaa2a revert evan's fixes (and my doofusness) since they had a huge code 
quality hit. will look at this soon.

llvm-svn: 37748
 2007-06-27 08:11:59 +00:00
Duraid Madina 540d329542 pull evan's fixes - should help the nightly tester (but there are still 
some issues)

llvm-svn: 37747
 2007-06-27 07:07:13 +00:00
Evan Cheng e66f822ecc Replace std::set with SmallPtrSet. 
llvm-svn: 37746
 2007-06-27 05:23:00 +00:00
Owen Anderson b6a39fcb21 Add support for performing GVNPRE on the three vector-specific operations. 
llvm-svn: 37745
 2007-06-27 04:10:46 +00:00
Owen Anderson 43790570ad Add tests for performing GVNPRE on the three vector-specific instructions. 
llvm-svn: 37744
 2007-06-27 04:06:32 +00:00
Evan Cheng 6cf1371456 Fix an obvious bug. Old code only worked for the entry block. 
llvm-svn: 37743
 2007-06-27 01:16:36 +00:00
Owen Anderson 5477c54aa0 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.

llvm-svn: 37742
 2007-06-26 23:29:41 +00:00
Evan Cheng 2d345badea Add comment. 
llvm-svn: 37741
 2007-06-26 21:19:07 +00:00
Evan Cheng 4bf87f1f44 Correctly handle implcit def / use operands. 
llvm-svn: 37740
 2007-06-26 21:05:13 +00:00
Evan Cheng d8417d9199 Properly handle kills of a physical register which has sub-registers that are read by later instructions. 
llvm-svn: 37739
 2007-06-26 21:03:35 +00:00
Evan Cheng 2e887c0b84 Add immediate sub-registers. 
llvm-svn: 37738
 2007-06-26 20:59:16 +00:00
Evan Cheng 335c65e9a4 Silence a warning. 
llvm-svn: 37737
 2007-06-26 18:31:22 +00:00
Reid Spencer ab13721e83 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.

llvm-svn: 37736
 2007-06-26 17:08:16 +00:00
Dan Gohman 0dccdef768 Replace ?: with if statements, for clarity. 
llvm-svn: 37735
 2007-06-26 16:19:08 +00:00
Dan Gohman d80e8e97dc Simplify the expression for MVT::isExtendedValueType. 
llvm-svn: 37733
 2007-06-26 15:20:04 +00:00
Dan Gohman e36ede145c Simplify the expression for TargetLowering::isTypeLegal. 
llvm-svn: 37732
 2007-06-26 15:16:27 +00:00