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3bf564a95f
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Author SHA1 Message Date
Alkis Evlogimenos
3bf564a95f Change the way free regusters are computed and perform better 
allocation in the presence of preallocated intervals.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10595 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-23 18:00:33 +00:00
John Criswell
1715ce00e4 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10594 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-23 17:37:06 +00:00
Chris Lattner
ac1ccae982 Rename method 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10593 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-23 09:41:45 +00:00
Chris Lattner
9a0a41f224 rename ClassifyExpression -> ClassifyExpr 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10592 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-23 08:04:08 +00:00
Chris Lattner
4e4bbc792c Rename ClassifyExpression -> ClassifyExpr 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10591 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-23 08:03:40 +00:00
Chris Lattner
15cad759fe More minor non-functional changes. This now computes the exit condition, though 
it doesn't do anything with it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10590 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-23 07:47:09 +00:00
Chris Lattner
e799902fbb Remove extraneous #include 
finegrainify namespacification


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10589 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-23 07:43:38 +00:00
Chris Lattner
790462ca1f Finegrainify namespacification 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10588 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-23 06:44:41 +00:00
Chris Lattner
0cbdd9745d bug fixed 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10587 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-22 23:56:37 +00:00
Chris Lattner
b97238079d Fix memory corruption bug PR193 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10586 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-22 23:49:36 +00:00
John Criswell
9059158b56 Reverted back to revision 1.11. The previous fix doesn't really fix 
anything; it just causes the bug to go dormant.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10585 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-22 16:22:49 +00:00
Alkis Evlogimenos
056063e264 Fix crash when compiling twolf. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10584 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-22 13:54:29 +00:00
Chris Lattner
500597a1c3 Don't mind me, I'm just refactoring away. This patch makes room for LFTR, but 
contains no functionality changes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10583 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-22 09:53:29 +00:00
Chris Lattner
4c307d4a90 finegrainify namespacification 
Implement indvar analysis of getelementptr and sub expressions


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10582 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-22 05:26:29 +00:00
Chris Lattner
14e1726b2e new testcase for cananonicalization of subtracts 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10581 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-22 05:24:45 +00:00
Chris Lattner
18b3c97bc7 Implement IndVarsSimplify/pointer-indvars.ll, transforming pointer 
arithmetic into "array subscripts"


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10580 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-22 05:02:01 +00:00
Chris Lattner
f045328dd1 finegrainify namespacification 
add new getIntPtrType() method


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10579 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-22 05:01:15 +00:00
Chris Lattner
b0404c7a6c Doxygenize methods, add new getIntPtrType method 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10578 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-22 05:00:45 +00:00
Chris Lattner
7610a287c6 New testcase to see if -indvars can promote pointer arithmetic to array accesses 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10577 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-22 05:00:13 +00:00
Chris Lattner
ad4705f055 fix grammao 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10576 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-22 04:08:12 +00:00
Chris Lattner
5de946f9f2 Bug fixed 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10575 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-22 04:06:24 +00:00
Chris Lattner
306acee8ab The GCC problem is not specific to suse 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10574 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-22 04:06:12 +00:00
Chris Lattner
3324e718bc Fix PR194 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10573 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-22 03:58:44 +00:00
Misha Brukman
3615845b3e Really release memory used by functions. Patch by Chris. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10572 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-22 03:47:58 +00:00
Misha Brukman
38847d5700 Fix the URL to check the referrer for CSS conformity. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10571 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-21 22:53:21 +00:00
Alkis Evlogimenos
4de1fefd7c Remove verifyIntervals() since it doesn't actually work right now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10570 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-21 20:41:26 +00:00
Alkis Evlogimenos
6b4edbaaf9 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 );


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10569 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-21 20:19:10 +00:00
Chris Lattner
595bb97fc7 New testcase for PR194 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10568 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-21 19:06:15 +00:00
Alkis Evlogimenos
0ef76cadbb Move FP_REG_KILL closer to the return instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10567 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-21 16:47:43 +00:00
Alkis Evlogimenos
169cfd0196 Add support for inactive intervals. This effectively reuses registers 
for live ranges that fall into assigned registers' holes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10566 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-21 05:43:40 +00:00
John Criswell
1118d0fd94 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10565 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-20 22:37:29 +00:00
Alkis Evlogimenos
3e58e48d20 Fix help string for --enable-spec2000 option 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10564 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-20 21:35:15 +00:00
Alkis Evlogimenos
9abc81790e Move FP_REG_KILL closer to the actual branch instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10563 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-20 17:28:15 +00:00
Alkis Evlogimenos
e0bb3e766d 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10562 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-20 16:22:59 +00:00
Chris Lattner
ef56a197ed Another day, another bug 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10561 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-20 10:29:02 +00:00
Chris Lattner
16c45e9de8 Add a new target-independent machine code freeing pass 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10560 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-20 10:20:58 +00:00
Chris Lattner
655239cc6b 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10559 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-20 10:20:19 +00:00
Chris Lattner
028565b14b This should not be needed anymore 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10558 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-20 10:19:18 +00:00
Chris Lattner
3e200e6c3b Rearrange code, indent for the namespace, add the createMachineFunctionPrinterPass 
to passes.h, and add the machien destruction pass to Passes.h


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10557 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-20 10:18:58 +00:00
Chris Lattner
9068574a29 Fix memory leak in the stackifier, due to the machinebasicblocks not holding 
instructions on an ilist


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10556 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-20 10:12:17 +00:00
Chris Lattner
f2e49d4c1a Finegrainify namespacification 
Minor cleanups to killer pass


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10555 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-20 09:58:55 +00:00
Chris Lattner
583b9d8455 Hoist some sparc specific code into the sparc target 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10554 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-20 09:17:40 +00:00
Chris Lattner
07f32d48f1 * 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10553 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-20 09:17:07 +00:00
Chris Lattner
73c1366ee2 Remove sparc specific passes from public headers 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10552 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-20 09:15:21 +00:00
Chris Lattner
61838824c2 Remove a horrible API 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10551 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-20 09:15:01 +00:00
Chris Lattner
e29ac166fa PR135 is now finally fixed 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10550 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-20 03:42:11 +00:00
Chris Lattner
c07ed13875 Implement PR135, lazy emission of global variables 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10549 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-20 03:36:47 +00:00
Chris Lattner
1514b5b334 Cleanups to implement PR135 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10548 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-20 03:35:50 +00:00
Chris Lattner
24b0a18c43 Simple refactorings to prepare for lazy global emission 
Also, add a stat for the number of globals emitted


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10547 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-20 02:45:37 +00:00
Chris Lattner
3ddc05bdde Simple refactorings to prepare for lazy global emission 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10546 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-20 02:45:16 +00:00