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2138 Commits

Author SHA1 Message Date
Misha Brukman
d55cfa6b94 Added helper functions in LoopInfo: isLoopExit and numBackEdges. 
llvm-svn: 4112
 2002-10-11 05:31:10 +00:00
Chris Lattner
8cd34b84b2 Stop using DataStructureGraph.h 
llvm-svn: 4106
 2002-10-10 20:33:46 +00:00
Chris Lattner
42547124d0 - Dramatically simplify the ConstantMerge code now that 
Value::replaceAllUsesWith works with constants correctly.

llvm-svn: 4104
 2002-10-09 23:16:04 +00:00
Chris Lattner
266bacb650 - Make Value::replaceAllUsesWith work with constants correctly. This fixes 
bug FuncResolve/2002-08-19-ResolveGlobalVars.ll and gzip looks better.

llvm-svn: 4103
 2002-10-09 23:12:59 +00:00
Chris Lattner
0acdba0025 - Add new Constant::replaceUsesOfWithOnConstant which has an end result 
similar to User::replaceUsesOfWith but actually does the right thing for
    constants.

llvm-svn: 4102
 2002-10-09 23:12:25 +00:00
Chris Lattner
83d105d986 Almost a complete rewrite of FunctionResolution to now resolve functions 
and global variables.

This fixes bug: FuncResolve/2002-08-19-ResolveGlobalVarsEasier.ll
And bug: SingleSource/UnitTests/2002-10-09-ArrayResolution.c

Note that this does not fix bug:
FunctionResolve/2002-08-19-ResolveGlobalVars.ll because replaceAllUsesWith
breaks when a constantexpr is pointing to the thing being replaced.  This
is more of an infrastructure problem than anything.

llvm-svn: 4099
 2002-10-09 21:10:06 +00:00
Chris Lattner
0e7fbf7025 Minor, non-functionality changing, formatting fix 
llvm-svn: 4091
 2002-10-09 00:25:32 +00:00
Chris Lattner
a8dd29787b - Remove Value::use_remove 
llvm-svn: 4090
 2002-10-09 00:25:05 +00:00
Chris Lattner
51d98b38f2 - Rename MTy to FTy (no methods exist anymore) 
- Fix bug: LevelRaise/2002-10-08-VarArgCallInfLoop.ll

llvm-svn: 4088
 2002-10-09 00:16:00 +00:00
Chris Lattner
88de60dd26 Fix NASTY N^2 behavior that was causing the gzip benchmark to take forever to 
assemble.  Now we scan the use-list from the back when removing users instead
of from the front.

llvm-svn: 4086
 2002-10-08 23:46:55 +00:00
Chris Lattner
4a72e094f9 Fix bug: Assembler/2002-10-08-LargeArrayPerformance.ll by using 
std::vector::reserve when possible

llvm-svn: 4085
 2002-10-08 23:33:52 +00:00
Chris Lattner
e8160b4dd1 - Fix bug: LevelRaise/2002-10-08-VarArgCall.ll 
llvm-svn: 4083
 2002-10-08 22:19:25 +00:00
Chris Lattner
d68e6d1718 - Fix bug: cee/2002-10-07-NoImmediateDominator.ll 
llvm-svn: 4081
 2002-10-08 21:53:51 +00:00
Chris Lattner
c35f54df86 Changes to support PHINode::removeIncoming changes 
llvm-svn: 4080
 2002-10-08 21:36:34 +00:00
Chris Lattner
9c236351fd Changes to support PHINode::removeIncoming changes 
llvm-svn: 4079
 2002-10-08 21:36:33 +00:00
Chris Lattner
f868df40b9 - Change PHINode::removeIncomingValue to delete the phi node if the last 
incoming value is removed!

llvm-svn: 4078
 2002-10-08 21:34:58 +00:00
Chris Lattner
40df2d9d4c - Checkin LARGE number of Changes to CEE pass that will make it much more 
powerful, but that are largely disabled.  The basic idea here is that it
    is trying to forward branches across basic blocks that have PHI nodes in
    it, which are crucial to be able to handle cases like whet.ll.
    Unfortunately we are not updating SSA correctly, causing sim.c to die, and I
    don't have time to fix the regression now, so I must disable the
    functionality.

llvm-svn: 4077
 2002-10-08 21:34:15 +00:00
Chris Lattner
3cf20c3f14 Expose isCriticalEdge & SplitCriticalEdge methods from crit-edges pass 
llvm-svn: 4075
 2002-10-08 21:06:27 +00:00
Chris Lattner
b9f59f1533 Expose new "recalculate" method from dominatorset 
llvm-svn: 4074
 2002-10-08 19:12:08 +00:00
Chris Lattner
b32252aa71 It is illegal for PHI nodes to have zero values, delete the code to handle them 
llvm-svn: 4071
 2002-10-08 17:07:39 +00:00
Chris Lattner
55c7ae3cdc Fold ashr -1, X into -1 
llvm-svn: 4070
 2002-10-08 16:16:40 +00:00
Chris Lattner
c532e35cce Non-functionality change just to make it more clear what is going on 
llvm-svn: 4060
 2002-10-07 18:34:32 +00:00
Chris Lattner
4e19009255 Global variables are now external if they don't have initializers, not 
"uninitialized"

llvm-svn: 4052
 2002-10-06 22:48:09 +00:00
Chris Lattner
d8244f43d4 Check that we don't have external varaibles with internal linkage 
llvm-svn: 4051
 2002-10-06 22:47:32 +00:00
Chris Lattner
6408586b7b The parser now accepts "external" global variables, in addition to the backwards 
compatible "uninitialized" global variables

llvm-svn: 4050
 2002-10-06 22:45:09 +00:00
Chris Lattner
53a414c3c4 PHI nodes are not allowed to exist with zero incoming values, check that 
there aren't any like this.

llvm-svn: 4044
 2002-10-06 21:00:31 +00:00
Vikram S. Adve
6932399f9b Bug fix: In preventing static global variables from being printed twice, 
I also prevented external globals from being printed twice, but they
should (extern declaration and definition).

llvm-svn: 4043
 2002-10-05 23:43:10 +00:00
Anand Shukla
d49d35f562 Added #include<unistd.h> to compile with solaris gcc3.2 
llvm-svn: 4042
 2002-10-04 23:57:01 +00:00
Anand Shukla
02acbe2c93 added cast to unsigned to compile with gcc3.2 (sparc) 
llvm-svn: 4041
 2002-10-04 23:56:18 +00:00
Chris Lattner
a923b0f49f Handle post dominance correctly in the case where blocks do not have a path to 
the exit node.

llvm-svn: 4038
 2002-10-04 14:50:20 +00:00
Chris Lattner
85ba0832e5 Fix a nasty problem with dominance calculation for unreachable blocks. 
If we had a CFG that look like Entry -> B, Unreachable -> B, then we would
not correctly determine that Entry dominated B, because Entry did not
apparently dominate "unreachable".  This patch fixes this by making the entry
node dominate all blocks, including unreachable ones.

llvm-svn: 4037
 2002-10-04 14:45:48 +00:00
Chris Lattner
eeecc3e1b3 Prune function nodes that are no longer referenced due to inlining 
llvm-svn: 4036
 2002-10-03 21:55:28 +00:00
Chris Lattner
8f603615d8 sgefa uses truely huge data structures nodes. Only print part of them if they 
are so big

llvm-svn: 4035
 2002-10-03 21:55:13 +00:00
Chris Lattner
31d4a68166 Handle bug exposed by power benchmark 
llvm-svn: 4033
 2002-10-03 21:06:38 +00:00
Nick Hildenbrandt
1ccdc12400 Add parens around constant calls to getelemptr to properly associate the reference 
llvm-svn: 4032
 2002-10-03 20:47:24 +00:00
Chris Lattner
fcdb95cd42 Reimplement/port the Bottom Up Closure pass 
llvm-svn: 4031
 2002-10-03 20:38:41 +00:00
Chris Lattner
e52f808665 DataStructure.h doesn't include DSGraph.h 
llvm-svn: 4029
 2002-10-02 22:14:38 +00:00
Nick Hildenbrandt
1477c5282f I was wrong on the removing of those references on the last commit. 
llvm-svn: 4023
 2002-10-02 21:14:33 +00:00
Chris Lattner
bdbc272229 * Implement the getc() function 
* Support usage of stdin, stdout & stderr correctly in LLI!

llvm-svn: 4022
 2002-10-02 21:12:13 +00:00
Chris Lattner
f6b465732c Cleanup #includes, expose module 
llvm-svn: 4021
 2002-10-02 21:11:16 +00:00
Chris Lattner
68960ff1c7 Expose TD to ExternalFunctions.cpp 
llvm-svn: 4020
 2002-10-02 21:10:48 +00:00
Chris Lattner
94a5211b6a - Print the predecessors of a basic block instead of the number of uses of 
the block in the AsmWriter

llvm-svn: 4019
 2002-10-02 19:38:55 +00:00
Chris Lattner
88c8ffce8b Fix bug: 2002-10-02-SignExtensionProblem.ll 
llvm-svn: 4017
 2002-10-02 18:53:14 +00:00
Nick Hildenbrandt
d090d15736 Removed unneeded reference and dereferences. 
llvm-svn: 4016
 2002-10-02 18:34:51 +00:00
Nick Hildenbrandt
5d1a2cf4b1 Cleaned up my last check-in. 
llvm-svn: 4014
 2002-10-02 18:32:35 +00:00
Nick Hildenbrandt
f9aa2b4886 No longer include malloc.h. If protoypes are needed for memory functions they will be present in the byte code and the generated c as well. 
llvm-svn: 4013
 2002-10-02 18:20:18 +00:00
Chris Lattner
62ca2aa593 * Implement fully general merging of array subscripts on demand! This 
does not handle the initial pointer index case yet though.

llvm-svn: 4012
 2002-10-02 06:24:36 +00:00
Chris Lattner
5f38d9c112 When printing DS nodes, print the mergemap index as well to allow easier 
debugging of merging process.

llvm-svn: 4010
 2002-10-02 05:17:55 +00:00
Chris Lattner
8c25c1a641 * Significant rework of DSNode to support arbitrary aliasing due to merging 
* Now all and any bytes of a DSNode can be merged together individually.  This
  is neccesary to support the full generality of C and support aliasing
  correctly.

llvm-svn: 4008
 2002-10-02 04:57:39 +00:00
Chris Lattner
3fec0954e8 Changes to work with Statistics rework 
* Renamed StatisticReporter.h/cpp to Statistic.h/cpp
    * Broke constructor to take two const char * arguments instead of one, so
      that indendation can be taken care of automatically.
    * Sort the list by pass name when printing
    * Make sure to print all statistics as a group, instead of randomly when
      the statistics dtors are called.
    * Updated ProgrammersManual with new semantics.

llvm-svn: 4004
 2002-10-01 22:40:31 +00:00