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Author SHA1 Message Date
Chris Lattner
0750bec272 add a simple reserve method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30011 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-01 06:08:16 +00:00
Chris Lattner
a2a8f0919d Iterative coallescing doesn't buy us anything (we get identical results on 
crafty with and without it).  Removing it speeds up live intervals 6%.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30010 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-01 04:02:42 +00:00
Nick Lewycky
7218c28822 Don't confuse canonicalize and lookup. Fixes predsimplify.reg4.ll. Also 
corrects missing optimization opportunity removing cases from a switch.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30009 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-01 03:26:35 +00:00
Evan Cheng
dfcfacb0cb DAG combiner fix for rotates. Previously the outer-most condition checks 
for ROTL availability. This prevents it from forming ROTR for targets that
has ROTR only.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29997 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-31 07:41:12 +00:00
Chris Lattner
2ebfa0c618 Add a special case that speeds up coallescing a bit, but not enough. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29996 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-31 06:48:26 +00:00
Chris Lattner
bfe180af9e Delete copies as they are coallesced instead of waiting until the end. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29995 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-31 05:58:59 +00:00
Chris Lattner
91725b7585 avoid calling the virtual isMoveInstr method endlessly by caching its results. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29994 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-31 05:54:43 +00:00
Chris Lattner
b495fb0e8c Add a note about C++ -> C with libstdc++ 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29993 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-31 04:26:31 +00:00
Nick Lewycky
838f36f0bb This program crashes the PredicateSimplifier. Not marked XFAIL because 
the PredicateSimplifier is skipped in make check anyways.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29992 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-31 03:13:05 +00:00
Nick Lewycky
6e39c7ed1e Properties where both Values weren't in the union (as being equal to 
another Value) weren't being found by findProperties.

This fixes predsimplify.ll test6, a missed optimization opportunity.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29991 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-31 00:39:16 +00:00
Chris Lattner
d3233eeff2 Bugfix for recent coallescer crash 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29990 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-30 23:03:35 +00:00
Chris Lattner
ba256037ce Fix a compiler crash bootstrapping llvm-gcc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29989 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-30 23:02:29 +00:00
Chris Lattner
4382c736df Restore source-level compatibility with clients of these functions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29978 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-30 20:47:48 +00:00
Chris Lattner
9b0d6f4ca6 Guess what happens when asserts are disabled. :( 
Also, the assert could never fire due to || instead of &&.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29977 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-30 20:37:06 +00:00
Chris Lattner
1b1a49714e fix 80 column issue 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29972 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-30 05:56:52 +00:00
Chris Lattner
52c917190a Instantiate Statistic<> in one place, not in every .o file that uses it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29971 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-30 04:17:00 +00:00
Nick Lewycky
3947a76e21 Move to using the EquivalenceClass ADT. Removes SynSets. 
If a branch's condition has become a ConstantBool, simplify it immediately.
Removing the edge saves work and exposes up more optimization opportunities
in the pass.
Add support for SelectInst.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29970 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-30 02:46:48 +00:00
Chris Lattner
1bb6f0643d Code cleanups, no functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29969 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-29 23:38:20 +00:00
Chris Lattner
6d8fbef015 Teach the coallescer to coallesce live intervals joined by an arbitrary 
number of copies, potentially defining live ranges that appear to have
differing value numbers that become identical when coallsced.  Among other
things, this fixes CodeGen/X86/shift-coalesce.ll and PR687.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29968 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-29 23:18:15 +00:00
Chris Lattner
734d811723 new testcase for pr687 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29967 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-29 23:09:59 +00:00
Devang Patel
4b8f36f106 Do not rely on std::sort and std::erase to get list of unique 
exit blocks. The output is dependent on addresses of basic block.

Add and use Loop::getUniqueExitBlocks.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29966 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-29 22:29:16 +00:00
Evan Cheng
c9676deb23 Minor asm fix. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29965 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-29 22:14:48 +00:00
Evan Cheng
bb0a23a137 This is also a 32-bit only test. x86-64 would pass fp parameters through XMM registers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29964 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-29 22:01:39 +00:00
Evan Cheng
e091c8ba72 Fix test case so it passes on x86-64. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29963 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-29 21:49:58 +00:00
Evan Cheng
4a888584ea Remove dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29962 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-29 21:42:58 +00:00
Reid Spencer
e3a1069870 Delete a no-longer-supported configuration item. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29960 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-29 20:52:44 +00:00
Evan Cheng
f3b7f6b9e4 Undo xfail. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29958 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-29 18:49:41 +00:00
Evan Cheng
780413d462 Don't performance load/op/store transformation if op produces a floating point 
or vector result. X86 does not have load/mod/store variants of those
instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29957 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-29 18:37:37 +00:00
Evan Cheng
e50794adda - Enable x86 isel preprocessing by default unless -fast is specified. 
- Also disable isel load folding if -fast.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29956 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-29 18:28:33 +00:00
Evan Cheng
718996654b Issue cvs co with -P option to prune empty directories. Remove the unnecessary 
update stage.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29955 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-29 18:01:18 +00:00
Jim Laskey
ce50a165c7 Handle callee saved registers in dwarf frame info (lead up to exception 
handling.)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29954 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-29 16:24:26 +00:00
Jim Laskey
85aaf9088e Tidy up options. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29953 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-29 15:13:10 +00:00
Evan Cheng
82a35b34fb Avoid making unneeded load/mod/store transformation which can hurt performance. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29952 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-29 06:44:17 +00:00
Evan Cheng
1efba0ecb4 Move isCommutativeBinOp from SelectionDAG.cpp and DAGCombiner.cpp out. Make it a static method of SelectionDAG. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29951 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-29 06:42:35 +00:00
Owen Anderson
d648e140a5 Clean up a bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29950 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-29 06:10:56 +00:00
Nate Begeman
06abd22b1a Make ppc64 jit kinda work right. About 2/3 of Olden passes with this, 
there are clearly some encoding bugs lurking in there somewhere.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29949 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-29 02:30:59 +00:00
Nick Lewycky
97198c9b1b The list is sorted by name. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29948 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-29 01:42:47 +00:00
Nick Lewycky
05450ae128 Add PredicateSimplifier pass. Collapses equal variables into one form 
and simplifies expressions. This implements the optimization described
in PR807.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29947 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-28 22:44:55 +00:00
Evan Cheng
67afeceaf0 On Mac, print jump table entries after the function to work around a linker issue. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29946 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-28 22:14:16 +00:00
Chris Lattner
181c359c9d Add 2nd form of resize 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29945 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-28 21:52:08 +00:00
Evan Cheng
70e674e95e Add an optional pass to preprocess the DAG before x86 isel to allow selecting more load/mod/store instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29943 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-28 20:10:17 +00:00
Chris Lattner
5e9b177cb5 Add a --disable-compression option like llvm-link/llvm-as etc have 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29941 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-28 17:31:55 +00:00
Chris Lattner
20c71001a4 remove extraneous space 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29940 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-28 17:30:49 +00:00
Bill Wendling
1644877280 Spell naively with the i-Umlaut... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29939 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-28 03:04:05 +00:00
Bill Wendling
546c421c1d Messed up and put a "To be written" in a section that was written. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29938 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-28 02:57:41 +00:00
Bill Wendling
91e10c42ea Added some preliminary text to the TargetJITInfo class section. 
Fixed some inconsistencies with format. Corrected some of the text.
Put code inside of "code" div tags.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29937 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-28 02:26:32 +00:00
Owen Anderson
59312b19a6 Make LoopUnroll fold excessive BasicBlocks. This results in a significant speedup of 
gccas on 252.eon


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29936 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-28 02:09:46 +00:00
Reid Spencer
6118eefe99 Back out last revision which should not have been committed (yet). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29935 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-28 01:08:45 +00:00
Reid Spencer
3a9ec2463d For PR387: 
Close out this long standing bug by removing the remaining overloaded
virtual functions in LLVM. The -Woverloaded-virtual option is now turned on.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29934 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-28 01:02:49 +00:00
Chris Lattner
dc87725902 Update to match changes in RegisterAnalysisGroup usage 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29933 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-28 00:45:38 +00:00