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Author SHA1 Message Date
Brian Gaeke
217515996f Add functions that return instances of these printer passes 
llvm-svn: 13175
 2004-04-26 16:27:08 +00:00
Brian Gaeke
1aada2b128 Fix a typo in a comment. 
llvm-svn: 13174
 2004-04-26 16:26:21 +00:00
Chris Lattner
430a61e786 If an object is not in the scalar map then it must be a global from another 
graph.

llvm-svn: 13173
 2004-04-26 14:44:08 +00:00
Chris Lattner
5bad19bde7 Instcombine X/-1 --> 0-X 
llvm-svn: 13172
 2004-04-26 14:01:59 +00:00
Chris Lattner
312eb88522 Add a new testcase for X/-1, fix bug that prevented tests from running right 
llvm-svn: 13171
 2004-04-26 14:01:47 +00:00
Brian Gaeke
1e049bdc77 Fix file header comments and include guards -- many files have been moved or 
renamed since they were last spiffed up, or they just never had proper comments
in the first place.

llvm-svn: 13148
 2004-04-25 07:04:49 +00:00
Brian Gaeke
c3857275f9 Add a getRegisterInfo() accessor just like on the X86 target. 
llvm-svn: 13147
 2004-04-25 06:32:28 +00:00
Brian Gaeke
6e21a0858c Regularize file header comment and include guard. 
Include SparcV9RegisterInfo.h.
Add a getRegisterInfo() accessor and SparcV9RegisterInfo instance, just like
on the X86 target.

llvm-svn: 13146
 2004-04-25 06:32:16 +00:00
Brian Gaeke
a36743c473 Add MRegisterInfo subclass for the SparcV9 target (containing only stub 
functions for now). This automatically turns on the printing of machine
registers using their own real names, instead of goofy things like %mreg(42),
and allows us to migrate code incrementally to the new interface as we see fit.

The register file description it uses is hand-written, so that the register
numbers will match the ones that the SparcV9 target already uses.
Perhaps someday we'll tablegen it.

llvm-svn: 13145
 2004-04-25 06:32:05 +00:00
Misha Brukman
ebb3422358 Standardize header comments of top-level Makefiles. 
llvm-svn: 13143
 2004-04-24 00:10:56 +00:00
Misha Brukman
d41853bbe2 Aggregating function arguments is now an option. Default is `no', as before. 
llvm-svn: 13142
 2004-04-23 23:54:34 +00:00
Misha Brukman
144b5572e1 * Allow aggregating extracted function arguments (controlled by flag) 
* Commandline option (for now) controls that flag that is passed in

llvm-svn: 13141
 2004-04-23 23:54:17 +00:00
Brian Gaeke
6ed3b116bc Fix a typo. 
llvm-svn: 13136
 2004-04-23 21:45:02 +00:00
Chris Lattner
b72fa5f541 Move the scev expansion code into this pass, where it belongs. There is 
still room for cleanup, but at least the code modification is out of the
analysis now.

llvm-svn: 13135
 2004-04-23 21:29:48 +00:00
Chris Lattner
f4eb9eb0f2 Eliminate all of the SCEV Expansion code which is really part of the 
IndVars pass, not part of SCEV *analysis*.

llvm-svn: 13134
 2004-04-23 21:29:03 +00:00
Chris Lattner
b2e1576e72 Remove the SCEV::expandCodeFor method, add a new SCEVVisitor class. 
llvm-svn: 13133
 2004-04-23 21:28:25 +00:00
Chris Lattner
7902d8fd02 Teach bugpoint to be a little bit smarter and avoid repeating work 
llvm-svn: 13132
 2004-04-23 20:36:51 +00:00
Brian Gaeke
071e2bce64 Merged this file into the SparcV9 target. 
llvm-svn: 13128
 2004-04-23 18:17:03 +00:00
Brian Gaeke
7fba37bb96 Merge TargetRegInfo.h into SparcV9RegInfo.h, which is its only subclass. 
This prepares us to be able to de-virtualize and de-abstract it, and
take the register allocator bits out and move them into the register allocator
proper...

llvm-svn: 13127
 2004-04-23 18:15:48 +00:00
Brian Gaeke
40c7e110a5 Include SparcV9RegInfo.h instead of TargetRegInfo.h. 
llvm-svn: 13126
 2004-04-23 18:15:47 +00:00
Brian Gaeke
1b07a2282a Include SparcV9RegInfo.h instead of TargetRegInfo.h. This serves as a bit of 
documentation that this module needs to be made independent of the
register file description of the current target.

llvm-svn: 13125
 2004-04-23 18:15:46 +00:00
Brian Gaeke
07344c1367 Get rid of the old byte-at-a-time emission code used when the Sparc JIT was 
being tested on X86, as per Chris's request.

llvm-svn: 13124
 2004-04-23 18:10:38 +00:00
Brian Gaeke
96889991bb Go back to the interpreter main loop after performing intrinsic lowering, 
because 1) the first instruction might not be a call site, and
2) CS and SF.Caller were not getting set to point to the new call site
anyway (resulting in a crash on e.g. call %llvm.memset).

llvm-svn: 13122
 2004-04-23 18:05:28 +00:00
Brian Gaeke
80db51134d mmap of a zero length file returns null on some platforms, so hack around it. 
llvm-svn: 13121
 2004-04-23 17:38:17 +00:00
Brian Gaeke
0db103b4b3 Use emitWordAt() to emit forward-branch fixups. 
llvm-svn: 13120
 2004-04-23 17:11:16 +00:00
Brian Gaeke
255d0d9b26 Emit SPARC machine code a word at a time instead of a byte at a time. 
Use emitWordAt() to emit forward-branch fixups.

llvm-svn: 13119
 2004-04-23 17:11:15 +00:00
Brian Gaeke
3cde72d6e2 Implement emitWordAt() for the JIT emitter. 
llvm-svn: 13118
 2004-04-23 17:11:14 +00:00
Brian Gaeke
bc25b3b28a Implement emitWordAt() for the debug emitter and the file printer emitter. (I 
am not so sure about the file printer emitter, but the debug emitter change
should be harmless.)

llvm-svn: 13117
 2004-04-23 17:11:13 +00:00
Brian Gaeke
2f5697a29f Add emitWordAt() - a quick and dirty interface that the machine-dependent 
emitters can use to emit "relocations".

llvm-svn: 13116
 2004-04-23 17:11:12 +00:00
Misha Brukman
2c7503786d Add command-line option to select whether to isolate or delete function from 
module. Default is `isolate' as before.

llvm-svn: 13113
 2004-04-22 23:07:39 +00:00
Misha Brukman
1dc8e19185 Clarify the logic: the flag is renamed to `deleteFn' to signify it will delete 
the function instead of isolating it. This also means the condition is reversed.

llvm-svn: 13112
 2004-04-22 23:00:51 +00:00
Misha Brukman
ddace6ecbe Add a flag to choose between isolating a function or deleting the function from 
the Module. The default behavior keeps functionality as before: the chosen
function is the one that remains.

llvm-svn: 13111
 2004-04-22 22:52:22 +00:00
Misha Brukman
94f0180757 Add a boolean flag to delete this function from module, leaving the rest behind. 
Useful in manual debugging when bugpoint isn't quite up to snuff.

llvm-svn: 13110
 2004-04-22 22:51:37 +00:00
Misha Brukman
1e9b5281d0 Add a space before result for readability on the command line. 
llvm-svn: 13109
 2004-04-22 20:02:09 +00:00
Chris Lattner
6716bcd0cc Disable a previous patch that was causing indvars to loop infinitely :( 
llvm-svn: 13108
 2004-04-22 15:12:36 +00:00
Chris Lattner
c79f8aeb82 Add an ugly cast 
llvm-svn: 13107
 2004-04-22 15:00:36 +00:00
Chris Lattner
507ba1c3c3 Fix an extremely serious thinko I made in revision 1.60 of this file. 
llvm-svn: 13106
 2004-04-22 14:59:40 +00:00
Chris Lattner
bfc19a576a Add a method 
llvm-svn: 13105
 2004-04-22 14:56:51 +00:00
Chris Lattner
d1906e2ace Implement a todo, rewriting all possible scev expressions inside of the 
loop.  This eliminates the extra add from the previous case, but it's
not clear that this will be a performance win overall.  Tommorows test
results will tell. :)

llvm-svn: 13103
 2004-04-21 23:36:08 +00:00
Chris Lattner
96752d27f4 This code really wants to iterate over the OPERANDS of an instruction, not 
over its USES.  If it's dead it doesn't have any uses!  :)

Thanks to the fabulous and mysterious Bill Wendling for pointing this out.  :)

llvm-svn: 13102
 2004-04-21 22:29:37 +00:00
Chris Lattner
a3e2004609 Implement a fixme. The helps loops that have induction variables of different 
types in them.  Instead of creating an induction variable for all types, it
creates a single induction variable and casts to the other sizes.  This generates
this code:

no_exit:                ; preds = %entry, %no_exit
        %indvar = phi uint [ %indvar.next, %no_exit ], [ 0, %entry ]            ; <uint> [#uses=4]
***     %j.0.0 = cast uint %indvar to short             ; <short> [#uses=1]
        %indvar = cast uint %indvar to int              ; <int> [#uses=1]
        %tmp.7 = getelementptr short* %P, uint %indvar          ; <short*> [#uses=1]
        store short %j.0.0, short* %tmp.7
        %inc.0 = add int %indvar, 1             ; <int> [#uses=2]
        %tmp.2 = setlt int %inc.0, %N           ; <bool> [#uses=1]
        %indvar.next = add uint %indvar, 1              ; <uint> [#uses=1]
        br bool %tmp.2, label %no_exit, label %loopexit

instead of:

no_exit:                ; preds = %entry, %no_exit
        %indvar = phi ushort [ %indvar.next, %no_exit ], [ 0, %entry ]          ; <ushort> [#uses=2]
***     %indvar = phi uint [ %indvar.next, %no_exit ], [ 0, %entry ]            ; <uint> [#uses=3]
        %indvar = cast uint %indvar to int              ; <int> [#uses=1]
        %indvar = cast ushort %indvar to short          ; <short> [#uses=1]
        %tmp.7 = getelementptr short* %P, uint %indvar          ; <short*> [#uses=1]
        store short %indvar, short* %tmp.7
        %inc.0 = add int %indvar, 1             ; <int> [#uses=2]
        %tmp.2 = setlt int %inc.0, %N           ; <bool> [#uses=1]
        %indvar.next = add uint %indvar, 1
***     %indvar.next = add ushort %indvar, 1
        br bool %tmp.2, label %no_exit, label %loopexit

This is an improvement in register pressure, but probably doesn't happen that
often.

The more important fix will be to get rid of the redundant add.

llvm-svn: 13101
 2004-04-21 22:22:01 +00:00
Chris Lattner
7d02bae5d8 Fix an incredibly nasty iterator invalidation problem. I am too spoiled by ilists :) 
Eventually it would be nice if CallGraph maintained an ilist of CallGraphNode's instead
of a vector of pointers to them, but today is not that day.

llvm-svn: 13100
 2004-04-21 20:44:33 +00:00
Chris Lattner
1f923d85b8 bug fixed 
llvm-svn: 13099
 2004-04-21 18:52:06 +00:00
Chris Lattner
f7f5b804e2 new testcase for PR326 
llvm-svn: 13098
 2004-04-21 18:49:35 +00:00
Misha Brukman
f8b15005bf Add doxygenified comments to functions. 
llvm-svn: 13097
 2004-04-21 18:36:43 +00:00
Misha Brukman
7d2413f9ec I'm allergic to the word `stuff'. 
llvm-svn: 13096
 2004-04-21 18:27:56 +00:00
Brian Gaeke
51b16fc65a Make SparcV9RegInfo::getRegType() return the right answer for registers 
of IntCC, FloatCC, and Special types.

Make SparcV9RegInfo::getRegClassIDOfRegType() return the right answer
if you ask for the class corresponding to SpecialRegType.

llvm-svn: 13095
 2004-04-21 17:53:58 +00:00
Alkis Evlogimenos
904f4f9a21 Include cerrno (gcc-3.4 fix) 
llvm-svn: 13091
 2004-04-21 16:11:40 +00:00
Alkis Evlogimenos
021d5aa5eb Declare iterator as public since it is defined as such (gcc-3.4 fix) 
llvm-svn: 13090
 2004-04-21 16:10:40 +00:00
Chris Lattner
ade6ddc694 Fix typeo 
llvm-svn: 13089
 2004-04-21 14:23:18 +00:00