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207cf0a20d
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Author SHA1 Message Date
John Criswell
207cf0a20d Modified the logic so that library objects with main() are only linked in 
if the program currently has main undefined.

llvm-svn: 10597
 2003-12-23 20:27:14 +00:00
Chris Lattner
defd9ccd73 Minor cleanups, plug a minor memory leak 
llvm-svn: 10596
 2003-12-23 20:05:15 +00:00
Alkis Evlogimenos
ca57dd1089 Change the way free regusters are computed and perform better 
allocation in the presence of preallocated intervals.

llvm-svn: 10595
 2003-12-23 18:00:33 +00:00
John Criswell
8f95f1d2ca Modified the linker so that it always links in an object from an archive 
that defines the symbol "main."  This is a hack that ensures that programs
that place their main function in a library and then link it in
(i.e. Apache 2.x) get their main function linked in.

There is probably a more correct way to do this, but this works for now.

llvm-svn: 10594
 2003-12-23 17:37:06 +00:00
Chris Lattner
148767d3bd Rename method 
llvm-svn: 10593
 2003-12-23 09:41:45 +00:00
Chris Lattner
099e1f16b8 rename ClassifyExpression -> ClassifyExpr 
llvm-svn: 10592
 2003-12-23 08:04:08 +00:00
Chris Lattner
6ecac445aa Rename ClassifyExpression -> ClassifyExpr 
llvm-svn: 10591
 2003-12-23 08:03:40 +00:00
Chris Lattner
fefdb67375 More minor non-functional changes. This now computes the exit condition, though 
it doesn't do anything with it.

llvm-svn: 10590
 2003-12-23 07:47:09 +00:00
Chris Lattner
77fe880dcf Remove extraneous #include 
finegrainify namespacification

llvm-svn: 10589
 2003-12-23 07:43:38 +00:00
Chris Lattner
5780f54596 Finegrainify namespacification 
llvm-svn: 10588
 2003-12-23 06:44:41 +00:00
Chris Lattner
720166cb19 bug fixed 
llvm-svn: 10587
 2003-12-22 23:56:37 +00:00
Chris Lattner
30fa61ca6c Fix memory corruption bug PR193 
llvm-svn: 10586
 2003-12-22 23:49:36 +00:00
John Criswell
8740fbd052 Reverted back to revision 1.11. The previous fix doesn't really fix 
anything; it just causes the bug to go dormant.

llvm-svn: 10585
 2003-12-22 16:22:49 +00:00
Alkis Evlogimenos
10de430568 Fix crash when compiling twolf. 
llvm-svn: 10584
 2003-12-22 13:54:29 +00:00
Chris Lattner
8ec8b9c28a Don't mind me, I'm just refactoring away. This patch makes room for LFTR, but 
contains no functionality changes.

llvm-svn: 10583
 2003-12-22 09:53:29 +00:00
Chris Lattner
b0c30fd90f finegrainify namespacification 
Implement indvar analysis of getelementptr and sub expressions

llvm-svn: 10582
 2003-12-22 05:26:29 +00:00
Chris Lattner
fad88d03ee new testcase for cananonicalization of subtracts 
llvm-svn: 10581
 2003-12-22 05:24:45 +00:00
Chris Lattner
1f0b2be06c Implement IndVarsSimplify/pointer-indvars.ll, transforming pointer 
arithmetic into "array subscripts"

llvm-svn: 10580
 2003-12-22 05:02:01 +00:00
Chris Lattner
be3440d4e3 finegrainify namespacification 
add new getIntPtrType() method

llvm-svn: 10579
 2003-12-22 05:01:15 +00:00
Chris Lattner
07a17d5ffe Doxygenize methods, add new getIntPtrType method 
llvm-svn: 10578
 2003-12-22 05:00:45 +00:00
Chris Lattner
4f5c619955 New testcase to see if -indvars can promote pointer arithmetic to array accesses 
llvm-svn: 10577
 2003-12-22 05:00:13 +00:00
Chris Lattner
ddc02fd15d fix grammao 
llvm-svn: 10576
 2003-12-22 04:08:12 +00:00
Chris Lattner
a0f9e3b164 Bug fixed 
llvm-svn: 10575
 2003-12-22 04:06:24 +00:00
Chris Lattner
adaab15c9d The GCC problem is not specific to suse 
llvm-svn: 10574
 2003-12-22 04:06:12 +00:00
Chris Lattner
dfe3e25d89 Fix PR194 
llvm-svn: 10573
 2003-12-22 03:58:44 +00:00
Misha Brukman
2653aa076a Really release memory used by functions. Patch by Chris. 
llvm-svn: 10572
 2003-12-22 03:47:58 +00:00
Misha Brukman
298e0b5243 Fix the URL to check the referrer for CSS conformity. 
llvm-svn: 10571
 2003-12-21 22:53:21 +00:00
Alkis Evlogimenos
7062ccbc85 Remove verifyIntervals() since it doesn't actually work right now. 
llvm-svn: 10570
 2003-12-21 20:41:26 +00:00
Alkis Evlogimenos
4401d0a7a3 Change weight into a float so that we can take into account the 
nesting level when computing it. Right now the allocator uses:

    w = sum_over_defs_uses( 10 ^ nesting level );

llvm-svn: 10569
 2003-12-21 20:19:10 +00:00
Chris Lattner
97e7a7dd20 New testcase for PR194 
llvm-svn: 10568
 2003-12-21 19:06:15 +00:00
Alkis Evlogimenos
0e892b6337 Move FP_REG_KILL closer to the return instruction. 
llvm-svn: 10567
 2003-12-21 16:47:43 +00:00
Alkis Evlogimenos
4f98b79ef0 Add support for inactive intervals. This effectively reuses registers 
for live ranges that fall into assigned registers' holes.

llvm-svn: 10566
 2003-12-21 05:43:40 +00:00
John Criswell
80daeb4cdb Fix PR#193. 
Modified ReadArchiveBuffer() so that it dynamically allocates the
std::string object used to hold the bytecode object file's name.  This is
necessary because it is passed by reference to the new Module that is
allocated to represent the bytecode object, and previously we were
using a std::string that disappeared on function exit.

llvm-svn: 10565
 2003-12-20 22:37:29 +00:00
Alkis Evlogimenos
1ee3f839f8 Fix help string for --enable-spec2000 option 
llvm-svn: 10564
 2003-12-20 21:35:15 +00:00
Alkis Evlogimenos
7b61337ce6 Move FP_REG_KILL closer to the actual branch instruction. 
llvm-svn: 10563
 2003-12-20 17:28:15 +00:00
Alkis Evlogimenos
41bd8284e3 Remove floating point killer pass. This is now implemented in the 
instruction selector by adding a new pseudo-instruction
FP_REG_KILL. This instruction implicitly defines all x86 fp registers
and is a terminator so that passes which add machine code at the end
of basic blocks (like phi elimination) do not add instructions between
it and the branch or return instruction.

llvm-svn: 10562
 2003-12-20 16:22:59 +00:00
Chris Lattner
8ec3eba4c1 Another day, another bug 
llvm-svn: 10561
 2003-12-20 10:29:02 +00:00
Chris Lattner
461a62626a Add a new target-independent machine code freeing pass 
llvm-svn: 10560
 2003-12-20 10:20:58 +00:00
Chris Lattner
ef1bfa35d0 Finally, _actually delete the machine code_ for a function, after it has 
been emitted.  Also, since the FPK pass is causing memory access violations,
disable it.

llvm-svn: 10559
 2003-12-20 10:20:19 +00:00
Chris Lattner
013d4bee41 This should not be needed anymore 
llvm-svn: 10558
 2003-12-20 10:19:18 +00:00
Chris Lattner
58d2beb555 Rearrange code, indent for the namespace, add the createMachineFunctionPrinterPass 
to passes.h, and add the machien destruction pass to Passes.h

llvm-svn: 10557
 2003-12-20 10:18:58 +00:00
Chris Lattner
ea52ffdb10 Fix memory leak in the stackifier, due to the machinebasicblocks not holding 
instructions on an ilist

llvm-svn: 10556
 2003-12-20 10:12:17 +00:00
Chris Lattner
544d512d4f Finegrainify namespacification 
Minor cleanups to killer pass

llvm-svn: 10555
 2003-12-20 09:58:55 +00:00
Chris Lattner
5099050009 Hoist some sparc specific code into the sparc target 
llvm-svn: 10554
 2003-12-20 09:17:40 +00:00
Chris Lattner
d476049d19 * Finegrainify namespacification 
* Move sparc specific code out of generic code
* Eliminate the getOffset() method which made INVALID_FRAME_OFFSET
  necessary, which made pulling in MAX_INT as a sentinal necessary.

llvm-svn: 10553
 2003-12-20 09:17:07 +00:00
Chris Lattner
f987d900a4 Remove sparc specific passes from public headers 
llvm-svn: 10552
 2003-12-20 09:15:21 +00:00
Chris Lattner
1963b162db Remove a horrible API 
llvm-svn: 10551
 2003-12-20 09:15:01 +00:00
Chris Lattner
0a3ecfc20c PR135 is now finally fixed 
llvm-svn: 10550
 2003-12-20 03:42:11 +00:00
Chris Lattner
edda0e5d4f Implement PR135, lazy emission of global variables 
llvm-svn: 10549
 2003-12-20 03:36:47 +00:00
Chris Lattner
cfa59c4d89 Cleanups to implement PR135 
llvm-svn: 10548
 2003-12-20 03:35:50 +00:00