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0a7615af25
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24136 Commits

Author SHA1 Message Date
Owen Anderson
0a7615af25 Revert my previous patch. In retrospect, this is completely the wrong way to fix this problem. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54072 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-25 23:06:59 +00:00
Owen Anderson
0c525ca72f Special cases are needed in renumbering when dealing with renumbering after a PHI has been removed. The interval previously defined 
by the PHI needs to be extended to the beginning of its basic block, and the intervals that were inputs need to be trimmed to the end 
of their basic blocks.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54070 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-25 22:32:01 +00:00
Owen Anderson
020decc2b4 In order to avoid reprocessing a register more than once, we need to add it 
to the handled set so it will get filtered out in future iterations.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54065 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-25 21:35:43 +00:00
Owen Anderson
55c64358d1 Remove live interval entries for an interval if we're eliminating its only VN. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54062 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-25 21:08:41 +00:00
Owen Anderson
8d0cc0af5a Properly remap live ranges whose end indices are the end of the function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54061 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-25 21:07:13 +00:00
Owen Anderson
d7dcbecdbc Make the remapping of interval indices (particularly ending indices) more robust. 
This is tricky business, and will probably take a few more iterations to get
the last kinks out of it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54043 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-25 19:50:48 +00:00
Nate Begeman
fb8ead0c20 Disable mov{L, LP, HP, HLP, *DUP} shuffles for mmx 
mmx needs its own fancy shuffle logic based on unpack; for now we get correct but awful code.

Also commit Mon Ping's VSETCC patch


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54039 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-25 19:05:58 +00:00
Nate Begeman
ff795a80a3 Remove unnecessary implicit argument 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54031 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-25 17:56:27 +00:00
Nate Begeman
b5557abcf1 Fix minor issues with VICmp/VFCmp constant expressions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54030 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-25 17:35:37 +00:00
Nate Begeman
beb572b698 Fit in 80 cols 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54029 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-25 17:34:41 +00:00
Nate Begeman
0abbe2bf15 Allow verifier to be run on partially materialized modules. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54028 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-25 17:28:23 +00:00
Nate Begeman
5f6ae30de5 Remove dead PatLeaf; there are a number of issues around MMX movl that need to be fixed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54026 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-25 17:25:04 +00:00
Nate Begeman
b4ab9d69da Tab removal 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54025 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-25 17:24:13 +00:00
Dan Gohman
4c8f87038d Disable the new aggressive remat logic introduced in 54000; it causes some 
regressions, such as PR2595. Also, there is a significant code-quality
issue in SPEC 464.h264ref and a few others.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54014 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-25 15:08:37 +00:00
Mon P Wang
92879f3a9e When splitting a vector shuffle, fixed which type we used for the hi part 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54007 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-25 01:30:26 +00:00
Evan Cheng
d1b3da621b Teach ARM isLegalAddressingMode to handle unknown type without crashing. This fixes pr2589. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54004 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-25 00:55:17 +00:00
Dan Gohman
8b4588fa64 Use AliasAnalysis::pointsToConstantMemory in SDISel to avoid unnecessary 
dependencies with constant load nodes. This allows them to be scheduled
freely.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54001 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-25 00:04:14 +00:00
Dan Gohman
6d69ba8a69 Enable rematerialization of constants using AliasAnalysis::pointsToConstantMemory, 
and knowledge of PseudoSourceValues. This unfortunately isn't sufficient to allow
constants to be rematerialized in PIC mode -- the extra indirection is a
complication.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54000 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-25 00:02:30 +00:00
Dan Gohman
3eee6542f5 Put the LICM of constant GlobalVariables, introduced in r53945, under a 
command-line option, and disable it by default. It introduced performance
regressions because CodeGen is currently not able to remat such loads.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53997 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-24 23:57:25 +00:00
Dan Gohman
9f8d5715b1 Avoid emitting casts in static initializer contexts. This fixes 
large numbers of CBE regressions caused by r53958.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53990 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-24 17:57:48 +00:00
Owen Anderson
c12417edc9 Store the predecessor MBB in the PHIUnion, rather than an index, since the indices will change after renumbering. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53985 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-24 17:12:16 +00:00
Evan Cheng
982a05955a Fix a catastrophic PPC64 ABI bug: i32 operands which are passed in memory (all of the parameter registers are used) are loaded from sp offsets that were off by 4. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53979 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-24 08:17:07 +00:00
Devang Patel
bdfa9ac445 Create temp. file in current path. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53973 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-24 00:35:38 +00:00
Evan Cheng
1bf9a18834 Rename instance variables, parameter argument names to eliminate a bunch of compilation warnings with -Wshadow. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53970 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-24 00:08:56 +00:00
Owen Anderson
7fbad27cfb Enable the insertion of empty indices into LiveInterals, thereby making renumbering possible. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53961 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-23 21:37:49 +00:00
Owen Anderson
496bac5b08 Fix a compile-time regression introduced by my heuristic-changing patch. I forgot 
to multiply the instruction count by a constant factor in a few places, which
caused the register allocator to require many more iterations.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53959 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-23 19:47:27 +00:00
Dan Gohman
1a24539405 Use C99 aggregate literal syntax for first-class struct and array values. 
This fixes several recent CBE regressions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53958 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-23 18:41:03 +00:00
Bruno Cardoso Lopes
92e87f2379 Minor fixes. 
Added ConstantPool support.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53951 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-23 16:01:50 +00:00
Chris Lattner
967948b4e2 "Allow LICM to sink or lift loads from constant memory. Also add a test 
case for this.

This allows instructions like loads from global variables declared to
be constant to be moved out of loops."

Patch by Stefanus Du Toit!



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53945 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-23 05:06:28 +00:00
Dan Gohman
1a570244f0 Update the generated .cvs files. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53943 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-23 00:54:54 +00:00
Dan Gohman
fc74abfba5 Enable first-class aggregates support. 
Remove the GetResultInst instruction. It is still accepted in LLVM assembly
and bitcode, where it is now auto-upgraded to ExtractValueInst. Also, remove
support for return instructions with multiple values. These are auto-upgraded
to use InsertValueInst instructions.

The IRBuilder still accepts multiple-value returns, and auto-upgrades them
to InsertValueInst instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53941 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-23 00:34:11 +00:00
Evan Cheng
5e6ebaf4d1 Fix PR2485: do all 4-element SSE shuffles in max. of 2 shuffle instructions. 
Based on patch by Nicolas Capens.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53939 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-23 00:22:17 +00:00
Duncan Sands
11e56cb4dc LegalizeTypes support for VSETCC. Fixes PR2575. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53938 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-22 23:54:03 +00:00
Owen Anderson
a1566f2e12 Change the heuristics used in the coalescer, register allocator, and within 
live intervals itself to use an instruction count approximation that is 
not affected by inserting empty indices.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53937 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-22 22:46:49 +00:00
Evan Cheng
ace3c17798 Factor out SSE 4 wide shuffle lowering code into its own function. No functionality changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53933 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-22 21:13:36 +00:00
Evan Cheng
2925786765 Fix pr2566: incorrect assumption about bit_convert. It doesn't not have to output a vector value. Patch by Nicolas Capens! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53932 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-22 20:42:56 +00:00
Devang Patel
ce8fdf105c While creating temp. file on disk, if the current filename points to a existing directory then create new temp. file inside the directory. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53929 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-22 20:02:39 +00:00
Evan Cheng
52672b813e Fix PR2574: implement v2f32 scalar_to_vector. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53927 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-22 18:39:19 +00:00
Devang Patel
54ce536a2d Handle bitcode wrappers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53924 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-22 18:00:36 +00:00
Dan Gohman
694caf56f1 Make the GraphRoot edge look like a chain edge, which is more accurate, 
and use the right result number, in the off chance that the graph root
has multiple result values.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53923 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-22 17:52:59 +00:00
Anton Korobeynikov
04dda73926 Provide default implementation of different small-sections related stuff 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53920 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-22 17:09:59 +00:00
Anton Korobeynikov
0980980174 Tie small stuff to non-small by default on ELF platforms 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53919 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-22 17:09:41 +00:00
Bruno Cardoso Lopes
c92a0e90b7 simplified small section logic 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53912 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-22 16:24:21 +00:00
Anton Korobeynikov
f88a6faf93 Fix encoding of atomic compare and swap for i64 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53911 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-22 16:22:48 +00:00
Bruno Cardoso Lopes
feb95cc7e3 Added small section asm emition logic for mips. 
Fixed small bug.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53908 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-22 15:34:27 +00:00
Bruno Cardoso Lopes
62d590cc8e Basic support for small sections 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53907 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-22 15:26:53 +00:00
Bill Wendling
829487e7c9 Remove another tab. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53904 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-22 08:54:38 +00:00
Bill Wendling
bbf2e06f73 More tab removals. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53903 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-22 08:50:44 +00:00
Bill Wendling
c91d0b9bdd Another buildbot test commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53896 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-22 00:53:37 +00:00
Dan Gohman
62bdec0de3 Fix a typo in a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53894 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-22 00:52:04 +00:00