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Author SHA1 Message Date
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
Chris Lattner
15eb3c1f39 REALLY fix PR324: don't delete linkonce functions until after the SCC traversal 
is done, which avoids invalidating iterators in the SCC traversal routines

llvm-svn: 13088
 2004-04-20 22:06:53 +00:00
Chris Lattner
e340657a23 Pass the callgraph not the module 
llvm-svn: 13087
 2004-04-20 21:52:26 +00:00
Chris Lattner
522abc00b8 Allow getting the module from a call graph 
llvm-svn: 13086
 2004-04-20 21:52:12 +00:00
Chris Lattner
ce041cae67 Change it to take a callgraph, from which we can get a module 
llvm-svn: 13085
 2004-04-20 21:52:07 +00:00
Chris Lattner
c3714a870c Add the ability for SCC passes to initialize and finalize themselves 
llvm-svn: 13084
 2004-04-20 21:30:06 +00:00
Chris Lattner
602146eea1 Fix PR325 
llvm-svn: 13081
 2004-04-20 20:26:03 +00:00
Chris Lattner
5a1e3f099f Fix PR324 and testcase: Inline/2004-04-20-InlineLinkOnce.llx 
llvm-svn: 13080
 2004-04-20 20:20:59 +00:00
Chris Lattner
7e6c6c85b9 New testcase, distilled from PR324 
llvm-svn: 13079
 2004-04-20 20:15:01 +00:00
Brian Gaeke
3727c760ed Make it legal to ask for the type of a specialreg 
llvm-svn: 13078
 2004-04-20 20:12:57 +00:00
Brian Gaeke
74f0defc33 Add some PRs which were fixed, but not previously mentioned in the rel. notes. 
llvm-svn: 13077
 2004-04-20 18:18:46 +00:00
Chris Lattner
8b841e0e35 Add support for the select instruction 
llvm-svn: 13076
 2004-04-20 16:43:21 +00:00
Brian Gaeke
047739f8d8 Make it legal to request a load or store of %fsr. 
llvm-svn: 13073
 2004-04-19 19:12:12 +00:00
Brian Gaeke
c72f1fa822 Fix typo. 
llvm-svn: 13072
 2004-04-19 19:09:24 +00:00
Brian Gaeke
3dfe9f19ea Regularize include guards and remove some excess whitespace. 
llvm-svn: 13071
 2004-04-19 18:53:44 +00:00
Brian Gaeke
d7fa9142a3 Tighten up SparcV9FloatCCRegClass::getRegName()'s assertion - if you ask it for 
the name of %fsr (as the comment in SparcV9RegClassInfo.h used to suggest)
you would walk off the end of the FloatCCRegName array.

llvm-svn: 13070
 2004-04-19 18:53:43 +00:00
Brian Gaeke
5bcbc23fc1 Regularize include guards, remove some excess whitespace and fix some comments. 
Remove the extra %fsr register from SparcV9FloatCCRegClass.

llvm-svn: 13069
 2004-04-19 18:53:42 +00:00