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Author SHA1 Message Date
Devang Patel
17cd20c077 Avoid spliting loops where two split condition branches are not independent. 
llvm-svn: 41148
 2007-08-18 00:00:32 +00:00
Devang Patel
cf22d4b1f8 Add loop index split tests. 
llvm-svn: 41146
 2007-08-17 22:02:15 +00:00
Devang Patel
fded73828f When one branch of condition is eliminated then head of the other 
branch is not necessary immediate dominators of merge blcok in all cases.

llvm-svn: 41144
 2007-08-17 21:59:16 +00:00
Evan Cheng
930acafa5b Avoid issue on 64-bit hosts. 
llvm-svn: 41143
 2007-08-17 18:02:22 +00:00
Chris Lattner
790dceee30 improve iplist comments. Switch iplist from allocating its sentinal object (for 
end()) eagerly to allocating it lazily.  This saves a lot of memory for JIT applications
that read a module but don't materialize most of the functions (e.g. 62K for 252.eon).

llvm-svn: 41142
 2007-08-17 16:49:19 +00:00
David Greene
1d1b7f793d Fix GLIBCXX_DEBUG error of comparing two singular iterators 
llvm-svn: 41139
 2007-08-17 15:13:55 +00:00
Reid Spencer
916a665ec0 Regenerate. 
llvm-svn: 41138
 2007-08-17 05:45:26 +00:00
Reid Spencer
c1b981ab85 Fix PR1606: 
The AC_CHECK_HEADER macro was used instead of AC_CHECK_HEADERS. The former does
not automatically add a #define to the configure variables while the latter
does. Consequently, the HAVE_PTHREAD_H symbol was not defined which caused the
Mutex.cpp file to compile to an empty implementation. 

llvm-svn: 41137
 2007-08-17 05:44:59 +00:00
Evan Cheng
97e0a167ec New test. Make sure dynamic_stackalloc size is rounded up. 
llvm-svn: 41135
 2007-08-16 23:52:23 +00:00
Evan Cheng
625e712911 Update test: dynamic_stackalloc size *must* be rounded to ensure stack ptr be left in a valid state. 
llvm-svn: 41134
 2007-08-16 23:51:28 +00:00
Evan Cheng
11fa8d0f62 If dynamic_stackalloc alignment is > stack alignment, first issue an instruction to align the stack ptr before the decrement. 
llvm-svn: 41133
 2007-08-16 23:50:06 +00:00
Evan Cheng
9a05381a81 - If a dynamic_stackalloc alignment requirement is <= stack alignment, then the alignment argument is ignored. 
- *Always* round up the size of the allocation to multiples of stack
alignment to ensure the stack ptr is never left in an invalid state after a dynamic_stackalloc.

llvm-svn: 41132
 2007-08-16 23:46:29 +00:00
Owen Anderson
5173494693 Factor out some code into a helper function. 
llvm-svn: 41131
 2007-08-16 22:51:56 +00:00
Dan Gohman
644db457f0 Fix the verification for overloaded intrinsic types. Check that they are 
what they're supposed to be before using them.

llvm-svn: 41130
 2007-08-16 22:06:45 +00:00
Owen Anderson
70ac81f489 Add some more comments to GVN. 
llvm-svn: 41129
 2007-08-16 22:02:55 +00:00
Dan Gohman
b499ea1cf6 Add MVT::fAny for overloading intrinsics on floating-point types. 
llvm-svn: 41128
 2007-08-16 21:57:19 +00:00
Owen Anderson
03cbda804e Cache non-local memory dependence analysis. This is a significant compile 
time performance win in most cases.

llvm-svn: 41126
 2007-08-16 21:27:05 +00:00
Chris Lattner
4c6c787315 This adds a bunch of static functions that implement unsigned 
two's complement bignum arithmetic.  They could be used to
implement much of APInt, but the idea is they are enough to
implement APFloat as well, which the current APInt interface
is not suited for.

Patch by Neil Booth!

llvm-svn: 41124
 2007-08-16 15:56:55 +00:00
Rafael Espindola
817adb6532 add byval test 
llvm-svn: 41123
 2007-08-16 13:09:02 +00:00
Reid Spencer
056b656f99 Improve error handling in the linker by: 
1. Eliminate redundant error messages. LinkInFile and LinkInArchive
   already call the error() method in each case so there's no use
   telling the user again that an item couldn't be linked in.

2. Improve the formatting of error messages (separating content).

3. Change the wording for the warning about unrecognized files. Make
   it clear that the file is being ignored.

llvm-svn: 41121
 2007-08-16 07:47:30 +00:00
Evan Cheng
e2bb505d7c Comments. 
llvm-svn: 41119
 2007-08-16 07:25:37 +00:00
Evan Cheng
ee277f940b Fix some kill info update bugs; add hidden option -disable-rematerialization to turn off remat for debugging. 
llvm-svn: 41118
 2007-08-16 07:24:22 +00:00
Reid Spencer
3860c113ab Ensure that error messages a propagated from calls to LinkInModule so they get 
reported to the end user.

llvm-svn: 41117
 2007-08-16 07:23:37 +00:00
Reid Spencer
5d553e1e6c Add a test to ensure that obvious link messages are actually produced on 
the standard error.

llvm-svn: 41116
 2007-08-16 07:22:43 +00:00
Owen Anderson
06cbd29787 Forgot a line. 
llvm-svn: 41115
 2007-08-16 00:25:42 +00:00
Owen Anderson
868a1a5ed6 Add a copy constructor and an assignment operator to DenseMap. 
llvm-svn: 41114
 2007-08-16 00:18:32 +00:00
Lauro Ramos Venancio
9f9e5b3971 Implement FPOWI ExpandOp. 
Fix PR1287.

llvm-svn: 41112
 2007-08-15 22:13:27 +00:00
Anton Korobeynikov
958dcad32d Properly use const qualifiers 
llvm-svn: 41111
 2007-08-15 21:12:30 +00:00
Evan Cheng
46b797bbed Test case for PR1609. 
llvm-svn: 41110
 2007-08-15 20:30:10 +00:00
Evan Cheng
f758fa5c35 If the source of a move is in spill slot, the reload may be folded to essentially a load from stack slot. It's ok to mark the stack slot value as available for reuse. But it should not be clobbered since the destination of the move is live. 
llvm-svn: 41109
 2007-08-15 20:20:34 +00:00
David Greene
f63a30122d Update .cvs file 
llvm-svn: 41106
 2007-08-15 17:58:51 +00:00
Anton Korobeynikov
3094846993 Move ReturnAddrIndex variable to X86MachineFunctionInfo structure. This fixed 
hard to catch bugs with retaddr lowering

llvm-svn: 41104
 2007-08-15 17:12:32 +00:00
Chris Lattner
9fd664292f add a note. 
llvm-svn: 41103
 2007-08-15 16:58:38 +00:00
Dan Gohman
74e688fce1 This test used "wc | grep ..."; convert it to use the count script. 
llvm-svn: 41101
 2007-08-15 13:55:47 +00:00
Dan Gohman
34263074cb Convert tests using "grep -c ... | grep ..." to use the count script. 
llvm-svn: 41100
 2007-08-15 13:49:33 +00:00
Dan Gohman
10c3892fde Delete extraneous uses of wc -l. 
llvm-svn: 41099
 2007-08-15 13:45:35 +00:00
Dan Gohman
f259c770df Convert another test to use the count script. This one didn't fit the 
regex used to convert all the others because the first '|' was on a
separate line.

llvm-svn: 41098
 2007-08-15 13:42:36 +00:00
Dan Gohman
794fa1f8f7 Convert tests using "| wc -l | grep ..." to use the count script. 
llvm-svn: 41097
 2007-08-15 13:36:28 +00:00
Devang Patel
423d18e306 Dominance frontier is now required. 
llvm-svn: 41096
 2007-08-15 03:34:53 +00:00
Devang Patel
315ea9c519 Cleanup removeBlocks. 
Use dominance frontier to fixup incoming edges of successor blocks not domianted by DeadBB.
Use df_iterator to walk and delete basic blocks dominated by DeadBB.

llvm-svn: 41095
 2007-08-15 03:31:47 +00:00
Reid Spencer
2cfe29fc0b Remove unneeded header file. 
llvm-svn: 41094
 2007-08-15 03:01:04 +00:00
Devang Patel
b0924a406a Avoid triangle loops. 
llvm-svn: 41093
 2007-08-15 02:14:55 +00:00
Devang Patel
1dd44d7501 Break infinite loop. 
llvm-svn: 41091
 2007-08-14 23:59:17 +00:00
Devang Patel
d39b9d41bb Avoid nested loops at the moment. 
llvm-svn: 41090
 2007-08-14 23:53:57 +00:00
Evan Cheng
92df220df4 New test. 
llvm-svn: 41087
 2007-08-14 23:34:50 +00:00
Evan Cheng
70879e8dae - If a def is dead, do not spill it. 
- If the defs of a spilled rematerializable MI are dead after the spill store is deleted, delete
  the def MI as well.

llvm-svn: 41086
 2007-08-14 23:25:37 +00:00
Evan Cheng
e10e5e71b4 Test case for PR1596. 
llvm-svn: 41085
 2007-08-14 23:21:10 +00:00
Evan Cheng
f901915207 Fix for PR1596: AdjustCopiesBackFrom() should conservatively check if any of its sub-registers may overlap with the interval of the copy that's being coalesced. 
llvm-svn: 41084
 2007-08-14 23:19:28 +00:00
Evan Cheng
0fbe2a0ec4 If a MI's def is remat as well as spilled, and the store is later deemed dead, mark the def operand as isDead. 
llvm-svn: 41083
 2007-08-14 20:23:13 +00:00
Devang Patel
7ff808f08e Fix dominance frontier update while removing blocks. 
llvm-svn: 41082
 2007-08-14 18:35:57 +00:00