7e89a616e6
Don't print spurious linking warnings about methods that are never used.
...
Cleanup ExprTypeConvert a bit.
llvm-svn: 1141
2001-11-05 19:43:10 +00:00
0ecba60d26
Use the expression map correctly.
...
llvm-svn: 1140
2001-11-05 18:30:53 +00:00
db750679a3
New file for expression tree conversion
...
llvm-svn: 1128
2001-11-04 23:24:20 +00:00
3084cb65ff
Refactor code to share stuff
...
llvm-svn: 1127
2001-11-04 23:24:06 +00:00
cb3da314d9
* Relax restriction that prevented malloc promotion in certain cases
...
llvm-svn: 1125
2001-11-04 22:11:10 +00:00
36c5a79153
* Disable debug output
...
* fix minor bug with taking datasize of unsized array type
* Insert code to support speculative changes later
llvm-svn: 1122
2001-11-04 21:32:11 +00:00
40a2d9076b
Convert backward conversion of expression trees into a new more powerful bidirectional approach. Add transforms for more instructions.
...
llvm-svn: 1121
2001-11-04 20:21:12 +00:00
33d9cb9903
Minor method rename
...
llvm-svn: 1119
2001-11-04 08:08:34 +00:00
f00563d39d
Add transformations for Load and GetElementPtr. Fix broken transform with shr.
...
llvm-svn: 1118
2001-11-04 07:42:17 +00:00
eb7b620d58
Fix cast instructions that end up in bad places in GCC output
...
llvm-svn: 1117
2001-11-04 07:40:51 +00:00
033324fc0c
Avoid making a broken transformation!
...
llvm-svn: 1115
2001-11-03 21:30:22 +00:00
ec83fc091e
Add new cleanup pass:
...
// 1. PHI nodes with multiple entries for the same predecessor. GCC sometimes
// generates code that looks like this:
//
// bb7: br bool %cond1004, label %bb8, label %bb8
// bb8: %reg119 = phi uint [ 0, %bb7 ], [ 1, %bb7 ]
//
// which is completely illegal LLVM code. To compensate for this, we insert
// an extra basic block, and convert the code to look like this:
//
// bb7: br bool %cond1004, label %bbX, label %bb8
// bbX: br label bb8
// bb8: %reg119 = phi uint [ 0, %bbX ], [ 1, %bb7 ]
//
llvm-svn: 1114
2001-11-03 21:08:59 +00:00
784c623efb
* Export method to merge identically named methods
...
* Add code to fix PHI nodes that are missing arguments. These PHI nodes can
be generated by GCC if there is an uninitialized variable flowing into a merge
point. For example:
int foo(int y) {
int X;
if (y) X = 1;
return X;
}
llvm-svn: 1110
2001-11-03 19:51:56 +00:00
629a15247a
Commented out code so that copies are inserted for all phi args
...
CahedCopyMap was disabled to insert phi elimination code for all phi args
llvm-svn: 1105
2001-11-03 17:09:59 +00:00
629d7a7849
Changes to compile the TSP benchmark successfully. Favor warning instead of assertion failures.
...
llvm-svn: 1103
2001-11-03 10:04:22 +00:00
1f3947c1d1
Add code to link method together with the same name if one is vararg and the other isn't.
...
This resolves definitions like this:
%list * "foo"(...)
%list * "foo"(int)
together which can often occur because C programmers don't put prototypes in like they should. GRR
llvm-svn: 1102
2001-11-03 09:19:00 +00:00
3855f2c806
Don't forget to link type names together too. Fix for Olden/mst benchmark
...
llvm-svn: 1094
2001-11-03 05:18:24 +00:00
1e60d6b762
Add extra code for debugging linker problems
...
llvm-svn: 1091
2001-11-03 03:27:29 +00:00
9bc6b190cc
* Add comments for peepholes
...
* Implement new peephole:
// Peephole optimize the following instructions:
// %t1 = cast {<...>} * %StructPtr to <ty> *
//
// Into: %t2 = getelementptr {<...>} * %StructPtr, <0, 0, 0, ...>
// %t1 = cast <eltype> * %t1 to <ty> *
This peephole eliminated 9 evil casts in the health benchmark, and
completely turned the addList method around. :)
llvm-svn: 1085
2001-11-01 17:05:27 +00:00
71c842cddf
Add DCE as integral part of the level raising to avoid processing instructions that are dead
...
llvm-svn: 1084
2001-11-01 07:00:51 +00:00
7567f6c15f
Expose the low level DCE mechanism to external users
...
Refactor code to support it
llvm-svn: 1083
2001-11-01 07:00:27 +00:00
9a13ececd8
* Implement expression type conversion for constant values
...
* Fix a problem setting a name on a constant value that died because no symbol table was passed in
* Add some comments describing the passes
* Implement a new peephole:
// Peephole optimize the following instructions:
// %t = cast <T1>* %P to <T2> * ;; If T1 is losslessly convertable to T2
// store <T2> %V, <T2>* %t
//
// Into:
// %t = cast <T2> %V to <T1>
// store <T1> %t2, <T1>* %P
llvm-svn: 1080
2001-11-01 05:57:59 +00:00
04648a4cc6
Simplify DCE code a lot
...
llvm-svn: 1079
2001-11-01 05:55:29 +00:00
1267be2319
* Convert getelementptr/store pairs into a single store
...
* Convert getelementptr/load pairs into a single load
llvm-svn: 1075
2001-11-01 03:12:34 +00:00
025f9fcf80
Initial checkin of level raising code, after move and cleanup and expands from the opt directory
...
llvm-svn: 1074
2001-11-01 02:42:08 +00:00
246f157af4
Propogate name to the malloc itself instead of to the cast
...
llvm-svn: 1071
2001-11-01 02:40:36 +00:00
7e6a0d8c17
Use the correct prototype for malloc and free
...
llvm-svn: 1066
2001-10-31 06:36:23 +00:00
20726ed31b
Implement code to convert %malloc and %free FUNCTION CALLS into the instruction equivalent
...
llvm-svn: 1065
2001-10-31 06:35:59 +00:00
9db8b765cd
Implemented constant propogation of cast instructions
...
llvm-svn: 1064
2001-10-31 05:07:57 +00:00
34b9518c88
Initial version of GCC cleanup pass: just removes extraneous global symbol table entries for types
...
llvm-svn: 1062
2001-10-31 04:33:19 +00:00
2a2b531294
Fix bug when inlining a method that refers to a global variable
...
llvm-svn: 1056
2001-10-31 02:27:26 +00:00
cba9036e34
Fix broken assertion. Didn't allow for pointer case
...
llvm-svn: 1034
2001-10-29 17:27:38 +00:00
3e95c716aa
Pull method symbols over when linking. Otherwise the result of the link will appear stripped
...
llvm-svn: 1033
2001-10-29 16:55:41 +00:00
66aea7a58c
Make newlines be newlines! This should now work in both lli and native code.
...
llvm-svn: 1016
2001-10-28 22:44:02 +00:00
fc361b1d55
Remove non linking related stuff
...
llvm-svn: 1015
2001-10-28 22:43:06 +00:00
6e26c8b0fc
Added name-mangling routines for future use.
...
llvm-svn: 1003
2001-10-28 21:38:02 +00:00
96f6ac9ffc
Use separate functions for printing values of each type.
...
Put trace code before condition-generating instruction in basic blocks
that end in a conditional branch.
llvm-svn: 1002
2001-10-28 21:37:25 +00:00
b046867a97
Fix problem linking in a method prototype when a method body exists
...
llvm-svn: 965
2001-10-23 20:43:42 +00:00
e2c61267ad
Refix bugs, stop using deprecated strstream header
...
llvm-svn: 898
2001-10-18 20:06:03 +00:00
4816d63844
Initial checkin
...
llvm-svn: 897
2001-10-18 20:05:37 +00:00
a0db1c9a0e
Only print values live at BB or method exit, and insert loads at each
...
BB exit to read and print values stored in that BB. Note that only
these stored values are live at method exit!. Also, print messages at
method entry and exit.
llvm-svn: 892
2001-10-18 18:16:11 +00:00
7ac553aa12
Handle multiple exit blocks correctly.
...
Restore string variable cache.
Resurrect code to use formatted printing instead of PrintVal
but leave it turned off for now.
llvm-svn: 888
2001-10-18 13:49:22 +00:00
5309e10be1
Convert to be compatible with lli.
...
Need to eliminate duplicate \n entries
llvm-svn: 883
2001-10-18 06:03:05 +00:00
a0a8b5bc26
Massive hacks to try to fix subtle logic bugs. I think it's all working now,
...
at least what used to. I should disable method exit code completely because
it's broken (doesn't insert just post dominating values)
llvm-svn: 881
2001-10-18 05:28:08 +00:00
6fea0324d7
Convert to new simpler pass itf
...
llvm-svn: 880
2001-10-18 05:27:33 +00:00
5398a6eb6c
Convert optimizations to the pass infrastructure
...
llvm-svn: 873
2001-10-18 01:32:34 +00:00
1bb5f8e4ee
Add new Pass infrastructure and some examples
...
llvm-svn: 836
2001-10-15 17:31:51 +00:00
162ed4d6cc
Rename ConstPoolPointerReference to ConstPoolPointerRef - My fingers get tired typing that much
...
llvm-svn: 822
2001-10-15 13:21:42 +00:00
1afbdc0ea5
* getExitNode() doesn't exist in method anymore
...
* Make local functions static
llvm-svn: 820
2001-10-15 13:07:21 +00:00
9a35320053
Added Instrumentation subdirectory.
...
llvm-svn: 819
2001-10-15 12:01:05 +00:00
c306f18c3e
Implement linking of global variable constant references
...
llvm-svn: 817
2001-10-15 03:12:52 +00:00
a972919f92
Minor cleanup
...
llvm-svn: 812
2001-10-14 23:29:30 +00:00
1090dc96ff
Implement linker. It's 95% working now.
...
llvm-svn: 810
2001-10-14 23:29:15 +00:00
a200a6c583
Insert code to trace values at basic block and method exits.
...
Current version does not check for liveness.
llvm-svn: 800
2001-10-14 23:18:45 +00:00
1362299644
Check in makefile
...
llvm-svn: 788
2001-10-13 16:57:03 +00:00
b7b537f192
Start of a linker
...
llvm-svn: 775
2001-10-13 07:03:50 +00:00
f0b68888af
Support the invoke instruction
...
llvm-svn: 765
2001-10-13 06:52:41 +00:00
cfc2f446a6
Support indirect calls
...
llvm-svn: 764
2001-10-13 06:52:31 +00:00
da55810666
Commit more code over to new cast style
...
llvm-svn: 697
2001-10-02 03:41:24 +00:00
3856934386
Convert more code to use new style casts
...
Eliminate old style casts from value.h
llvm-svn: 696
2001-10-01 20:11:19 +00:00
8f19112923
Add more support for new style casts
...
Convert more code to use them
llvm-svn: 695
2001-10-01 18:26:53 +00:00
4b717c0edc
Add support for new style casts
...
llvm-svn: 694
2001-10-01 16:18:37 +00:00
ba1c1f2fb6
Pull predecessor and successor iterators out of the CFG*.h files, and plop them into
...
the BasicBlock class where they should be. pred_begin/pred_end become methods on BasicBlock,
and the cfg namespace isn't used anymore.
llvm-svn: 691
2001-10-01 13:19:53 +00:00
bb09a10929
Pull iterators out of CFG.h and CFGdecls and put them in Support directory
...
llvm-svn: 664
2001-09-28 22:56:31 +00:00
b271be3185
ADCE is broken but at least we know why
...
llvm-svn: 656
2001-09-28 00:06:42 +00:00
acfd27d502
Make ADCE more robust, it still has problems, but it's getting closer
...
llvm-svn: 521
2001-09-09 22:26:47 +00:00
d707ec62b6
Types and constants are wierd things in symbol tables now
...
llvm-svn: 457
2001-09-07 16:43:50 +00:00
dae05dc937
* Eliminate reference to ConstantPool class
...
* Constants are global objects that are not allocated or freed
llvm-svn: 456
2001-09-07 16:43:22 +00:00
e57fc205f4
Constant pool is dead
...
llvm-svn: 455
2001-09-07 16:42:51 +00:00
6d7bce9f3c
Constants are now global unique objects
...
llvm-svn: 454
2001-09-07 16:42:26 +00:00
07e158de3c
* Eliminate constant pool dependancies:
...
* Eliminate DoRemoveUnusedConstants
llvm-svn: 453
2001-09-07 16:42:08 +00:00
030772df99
* Supoprt global constants
...
* Remove support for local constant pools
* Eliminate constant pool merging method, which is no longer neccesary
* Disable invalid optimization (todo: fix it)
llvm-svn: 452
2001-09-07 16:41:30 +00:00
b62b602fe2
Enable the elimination of method prototypes that are not referenced
...
llvm-svn: 325
2001-07-28 17:51:49 +00:00
e2472bbf6c
Moved inline/llvm/Tools/* to include/llvm/Support/*
...
llvm-svn: 279
2001-07-23 17:46:59 +00:00
3e37ec7c0a
Support external methods
...
llvm-svn: 200
2001-07-15 21:43:45 +00:00
5451c9e977
Add knowledge about the struct form of the GetElementPtr instruction
...
llvm-svn: 183
2001-07-14 06:11:51 +00:00
5b1200bf8e
Remove dependency on the structure of ValueHolder.
...
llvm-svn: 182
2001-07-14 06:11:26 +00:00
d6c5a769ea
Don't clean out the type plane of the constant pool... this is a hack. FIXME
...
llvm-svn: 172
2001-07-09 19:38:52 +00:00
31feae8550
Implement checking for new instructions
...
llvm-svn: 163
2001-07-08 21:18:49 +00:00
fb8ed0cf3a
Use the CDG to mark branches alive on demand.
...
llvm-svn: 159
2001-07-08 18:38:36 +00:00
a682182f64
Neg instruction removed. Cast instruction implemented.
...
llvm-svn: 156
2001-07-08 04:57:15 +00:00
b1ca9cbceb
Broad superficial changes:
...
* Renamed getOpcode to getOpcodeName
* Changed getOpcodeName to return a const char * instead of string
* Added a getOpcode method to replace getInstType
* Changed code to use getOpcode instead of getInstType
llvm-svn: 152
2001-07-07 19:24:15 +00:00
a073acb22d
Changed the fundemental architecture of Operands for Instructions. Now
...
Operands are maintained as a vector<Use> in the User class, and operator
iterators are provided as before. Getting an operand no longer requires
a virtual function call.
WARNING: getOperand(x) where x >= getNumOperands() will now assert instead
of returning null!
llvm-svn: 149
2001-07-07 08:36:50 +00:00
29aae157f7
Add method to unify all exit nodes of a method
...
llvm-svn: 143
2001-07-06 16:58:36 +00:00
8024bde7c7
Update to include right file
...
llvm-svn: 138
2001-07-06 16:32:07 +00:00
b28986ffc7
Initial checkin. Should print dead instructions, except it doesn't do
...
control dependencies. :(
llvm-svn: 119
2001-06-30 06:39:11 +00:00
1960b3c6d2
Rename DoSparseConditionalConstantProp -> DoSCCP
...
llvm-svn: 117
2001-06-30 06:37:43 +00:00
d42d492734
Optimizations got their own header files
...
Optimizations now live in the 'opt' namespace
include/llvm/Opt was renamed include/llvm/Optimizations
llvm-svn: 113
2001-06-30 04:36:40 +00:00
7ce8b17e60
Export ConstantFoldTerminator, allow it to fold conditional branches to
...
the same label.
llvm-svn: 107
2001-06-29 23:56:58 +00:00
10b250eb4d
Added documentation. Constant fold terminators.
...
llvm-svn: 106
2001-06-29 23:56:23 +00:00
84f07396d3
* Factored RemovePredecessorFromBlock into BasicBlock::removePredecessor
...
* Avoid messing around with this case:
br label %A
%A: br label %A
* Enable optimizations that are correct now.
llvm-svn: 102
2001-06-29 05:24:28 +00:00
e4abb60948
We need to make sure to remove PHI nodes in the successor that cannot be
...
executed when removing branch dest.
llvm-svn: 101
2001-06-29 05:23:10 +00:00
4cee8d8ffb
Miscellaneous cleanups:
...
* Convert post to pre-increment for for loops
* Use generic programming more
* Use new Value::cast* instructions
* Use new Module, Method, & BasicBlock forwarding methods
* Use new facilities in STLExtras.h
* Use new Instruction::isPHINode() method
llvm-svn: 96
2001-06-27 23:41:11 +00:00
347389dae8
Add a new Sparse Conditional Constant Propogation pass
...
llvm-svn: 95
2001-06-27 23:38:11 +00:00
1a67fb8860
Misc cleanup
...
llvm-svn: 91
2001-06-27 23:36:09 +00:00
f222bf33c3
* Expose DoConstantPoolMerging
...
* Cleanups (post->pre increment, new cleaner API, etc)
* Moved stuff into ConstantHandling.h
llvm-svn: 90
2001-06-27 23:35:26 +00:00
dbdaaef7d5
Implement induction variable injection!
...
llvm-svn: 75
2001-06-25 07:32:19 +00:00
c3a6f546de
A silly stupid test of the loop depth calculator was added. REMOVE in the
...
future.
llvm-svn: 72
2001-06-25 03:55:37 +00:00
f64a8936e5
#include a different header due to Intervals.h splitting up
...
llvm-svn: 63
2001-06-24 04:05:45 +00:00
4c4f178723
Implement a lot more functionality. Now loop invariant and linear
...
induction variables are correctly identified.
llvm-svn: 57
2001-06-22 02:24:38 +00:00
b20a15d334
Moved printing code to the Assembly/Writer library.
...
Code now detects looping intervals
llvm-svn: 52
2001-06-21 05:27:22 +00:00
778de94723
Get rid of a silly printout that isn't needed right now
...
llvm-svn: 45
2001-06-20 23:09:39 +00:00
f86e38e452
Add capability to print a derived interval graph
...
llvm-svn: 42
2001-06-20 22:44:38 +00:00
d286a997d3
Add a test case for interval code
...
llvm-svn: 36
2001-06-20 19:27:11 +00:00
5ba5f88c35
Updates to work with new cfg namespace
...
llvm-svn: 29
2001-06-13 19:55:22 +00:00
874ddadf72
Updates to support
...
* Changes in PHI node structure
llvm-svn: 25
2001-06-11 15:04:40 +00:00
7e0d6e05ac
Updated to work with new CFG.h file.
...
llvm-svn: 15
2001-06-07 21:18:45 +00:00
d821c2af37
Significant rework. DCE is still not done (see #ifdef'd out parts)
...
but at least the stuff that is checked in, now works.
llvm-svn: 10
2001-06-07 16:59:26 +00:00
2f7c963559
Initial revision
...
llvm-svn: 2
2001-06-06 20:29:01 +00:00
Chris Lattner