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Author SHA1 Message Date
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
922b3d2e67 Add a #include <cassert>, since this file use assert. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54003 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-25 00:44:19 +00:00
Dan Gohman
219c7905c5 Apply a patch from Mahadevan R, with minor formatting changes, to 
workaround a GCC 3.3 bug observed on OpenBSD.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54002 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-25 00:36:05 +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
5444c30723 Add target triples so these tests behave as expected on non-darwin hosts. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53991 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-24 18:08:01 +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
Devang Patel
9d76c73d9c Identify llvm bit-code file that is causing linking failure in LTO mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53972 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-24 00:34:11 +00:00
Evan Cheng
2d58bfac59 New test case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53971 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-24 00:22:05 +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
fcf0e86bf2 Make CreateBinOp/CreateNeg/CreateNot do constant folding. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53950 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-23 06:58:10 +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
Chris Lattner
a9173801ca 'Previously, the emacs tablegen mode would highlight constants even if 
they appear in words. This would cause things like the "128" in "VR128"
to be highlighted. This patch fixes the highlighting by only recognizing 
constants when they have word breaks around them.'

Patch by Stefanus Du Toit!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53944 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-23 04:49:20 +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
Devang Patel
38bcec13e8 Quit early, if unable to reproduce error using original input files. 
Quit, if unable to fix error when linker input files are all native object files.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53935 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-22 22:20:18 +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
Dan Gohman
a3da832705 Add insertvalue and extractvalue folding support in IRBuilder. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53931 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-22 20:19:25 +00:00
Devang Patel
8502112419 Remove temp. files in the end. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53930 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-22 20:03:45 +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
Dan Gohman
4e00987f09 IRBuilder support for insertvalue and extractvalue. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53926 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-22 18:25:25 +00:00
Dan Gohman
acaf09dbe4 Assert that the DAG root value is a chain value. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53925 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-22 18:04:23 +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
b6f08eb1e6 Remove more tabs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53905 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-22 09:08:05 +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
85f4054b2e Removing tabs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53902 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-22 07:14:12 +00:00
Bill Wendling
7c6d410f66 Use &mdash; because. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53901 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-22 06:46:17 +00:00