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Author SHA1 Message Date
Brian Gaeke
581652e2e1 Add basic block tracing functions as exported symbols. 
llvm-svn: 13338
 2004-05-03 23:49:17 +00:00
Brian Gaeke
0f806b8509 Add basic block tracing information as a type of "profiling" information. 
llvm-svn: 13337
 2004-05-03 23:49:16 +00:00
Brian Gaeke
dcfc3c580e In InsertProfilingInitCall(), make it legal to pass in a null array, in 
which case you'll get a null array and zero passed to the profiling function.

llvm-svn: 13336
 2004-05-03 22:06:33 +00:00
Brian Gaeke
c8cd0e9092 Add initial implementation of basic-block tracing instrumentation pass. 
llvm-svn: 13335
 2004-05-03 22:06:32 +00:00
Chris Lattner
2e752b62b4 Initialize member out of paranoia 
llvm-svn: 13319
 2004-05-02 16:06:40 +00:00
Chris Lattner
f5f6f8c0de Fix a problem with double freeing memory. For some reason, CallGraph is not 
acting like a normal pass.  :(

llvm-svn: 13318
 2004-05-02 16:06:18 +00:00
Chris Lattner
099edda1b1 Plug a minor memory leak 
llvm-svn: 13317
 2004-05-02 07:31:34 +00:00
Chris Lattner
d8345001fa Do not clone arbitrary condition instructions. 
llvm-svn: 13316
 2004-05-02 05:19:36 +00:00
Chris Lattner
da2d746a3b Do not infinitely "unroll" single BB loops. 
llvm-svn: 13315
 2004-05-02 05:02:03 +00:00
Chris Lattner
5fdb901643 Add some stuff to the release notes. 
llvm-svn: 13314
 2004-05-02 04:19:15 +00:00
Brian Gaeke
397162e886 Chris told me to take these assertions out a few days ago, but I forgot to 
check this in.

llvm-svn: 13313
 2004-05-02 01:04:52 +00:00
Chris Lattner
5f393764c8 Dont' merge terminators that are needed to select PHI node values. 
llvm-svn: 13312
 2004-05-02 01:00:44 +00:00
Chris Lattner
bd705d7776 Implement SimplifyCFG/branch-cond-merge.ll 
Turning "if (A < B && B < C)" into "if (A < B & B < C)"

llvm-svn: 13311
 2004-05-01 23:35:43 +00:00
Chris Lattner
c8991cdae8 New testcase: 
Turn "if (A < B && B < C)" into "if (A < B & B < C)"

llvm-svn: 13310
 2004-05-01 23:35:21 +00:00
Chris Lattner
eb59aec632 Make sure to reprocess instructions used by deleted instructions to avoid 
missing opportunities for combination.

llvm-svn: 13309
 2004-05-01 23:27:23 +00:00
Chris Lattner
f5a5668cf6 Make sure the instruction combiner doesn't lose track of instructions 
when replacing them, missing the opportunity to do simplifications

llvm-svn: 13308
 2004-05-01 23:19:52 +00:00
Chris Lattner
911e21e8ca Fix my missing parens 
llvm-svn: 13307
 2004-05-01 22:41:51 +00:00
Chris Lattner
82278b599b Implement SimplifyCFG/branch-cond-prop.ll 
llvm-svn: 13306
 2004-05-01 22:36:37 +00:00
Chris Lattner
d4abdd9dc3 New testcase for case that simplifycfg should catch 
llvm-svn: 13305
 2004-05-01 22:36:24 +00:00
Chris Lattner
4b5d4eb5b1 Remove unused #include 
llvm-svn: 13304
 2004-05-01 21:29:16 +00:00
Chris Lattner
ffbf667718 Iterate over the Machine CFG that Brian added instead of the LLVM CFG. 
Look at all of the pretty minuses. :)

llvm-svn: 13303
 2004-05-01 21:27:53 +00:00
Chris Lattner
c09a94de9e Operate on the Machine CFG instead of on the LLVM CFG 
llvm-svn: 13302
 2004-05-01 21:24:39 +00:00
Chris Lattner
769668c09a Stop LiveVariables from using BasicBlocks as part of the mapping, instead 
use MachineBasicBlocks.  To do this, we traverse the Machine CFG instead of
the LLVM CFG, which is also *MUCH* more efficient by having fewer levels of
indirections and mappings.

llvm-svn: 13301
 2004-05-01 21:24:24 +00:00
Chris Lattner
dd7eb23ccf Stop LiveVariables from using BasicBlocks as part of the mapping, instead 
use MachineBasicBlocks.

llvm-svn: 13300
 2004-05-01 21:23:35 +00:00
Chris Lattner
939685e14b Move the GraphTraits for MachineBasicBlocks to the MachineBasicBlock file. 
llvm-svn: 13299
 2004-05-01 21:05:34 +00:00
Chris Lattner
aac6ae5b07 Add comment about optimizations 
llvm-svn: 13298
 2004-05-01 11:40:07 +00:00
Chris Lattner
5f29db9741 Add a constructor that got lost 
llvm-svn: 13297
 2004-05-01 11:17:13 +00:00
Brian Gaeke
aaeb4c4d23 Generalize the strlen size_t hack, for the benefit of the other external 
functions with wrappers that either take or return size_ts.

llvm-svn: 13296
 2004-05-01 06:42:15 +00:00
Chris Lattner
ac07b271e7 Fix broken link, again. 
llvm-svn: 13295
 2004-04-30 22:17:12 +00:00
Tanya Lattner
6332b09438 Sorry, now friend class name should be right!! 
llvm-svn: 13294
 2004-04-30 20:48:37 +00:00
Tanya Lattner
7a414c92c2 Fixed friend class name for ModuloScheduling. 
llvm-svn: 13293
 2004-04-30 20:47:59 +00:00
Tanya Lattner
185c13da4c Fixed friend class name for ModuloSched 
llvm-svn: 13292
 2004-04-30 20:46:40 +00:00
Tanya Lattner
077c819d5a Removing MachineResource class. 
llvm-svn: 13291
 2004-04-30 20:40:38 +00:00
Chris Lattner
d7ac5532a6 Fix a broken link 
llvm-svn: 13290
 2004-04-30 14:13:16 +00:00
Chris Lattner
9b53c7c797 Fix a major pessimization in the instcombiner. If an allocation instruction 
is only used by a cast, and the casted type is the same size as the original
allocation, it would eliminate the cast by folding it into the allocation.

Unfortunately, it was placing the new allocation instruction right before
the cast, which could pull (for example) alloca instructions into the body
of a function.  This turns statically allocatable allocas into expensive
dynamically allocated allocas, which is bad bad bad.

This fixes the problem by placing the new allocation instruction at the same
place the old one was, duh. :)

llvm-svn: 13289
 2004-04-30 04:37:52 +00:00
Brian Gaeke
af5e2f1ea5 Add machine-CFG graph traits specializations. 
llvm-svn: 13288
 2004-04-29 17:43:55 +00:00
Misha Brukman
f5e334783a Wrapped code and comments at 80 cols; doxygenified some comments. 
llvm-svn: 13264
 2004-04-29 04:05:30 +00:00
Misha Brukman
9c4c92c40c Reorder #includes as per style guide. 
llvm-svn: 13263
 2004-04-29 04:04:47 +00:00
Misha Brukman
9f6428ea0e Added `zeroinitializer' keyword. 
llvm-svn: 13253
 2004-04-28 19:36:08 +00:00
Misha Brukman
5f5f6ca775 class AssemblyWriter: 
* Make contained ostream pointer, not reference
* Allow setting of that ostream via setStream()

class CachedWriter:
* setStream() in turn calls setStream() on the AssemblyWriter

llvm-svn: 13247
 2004-04-28 19:24:28 +00:00
Misha Brukman
3673c653b5 * Make contained ostream not public. 
* Remove various print methods that called the Value* method, just have one that
  all subclasses of Value will use anyway.
* Remove template for printing constant references
* Add methods to print char* and strings
* setStream now sets the stream on the contained AssemblyWriter

llvm-svn: 13246
 2004-04-28 19:22:58 +00:00
Misha Brukman
f8b734296e Send text and numbers directly to CachedWriter's contained ostream. 
llvm-svn: 13243
 2004-04-28 18:52:43 +00:00
Misha Brukman
fad1a41fce Squelch compile-time warning (profile build). 
llvm-svn: 13228
 2004-04-28 15:32:09 +00:00
Misha Brukman
d408a510b8 * Add ability to print out type as symbolic 
* Add Module accessor to AssemblyWriter

llvm-svn: 13227
 2004-04-28 15:31:21 +00:00
Misha Brukman
dd23f36ed6 * Add ability to get and set the output stream 
* New feature: outputting a Type* as symbolic, controlled via the stream
  similarly to sending std::hex to change number format

llvm-svn: 13226
 2004-04-28 15:30:33 +00:00
Brian Gaeke
8e3668faca Add pred./succ. list size methods. 
llvm-svn: 13214
 2004-04-28 04:46:35 +00:00
Brian Gaeke
bfb4fe5109 Make RequiresFPRegKill() take a MachineBasicBlock arg. 
In InsertFPRegKills(), just check the MachineBasicBlock for successors
instead of its corresponding BasicBlock.

llvm-svn: 13213
 2004-04-28 04:45:55 +00:00
Brian Gaeke
74ed24c9de In InsertFPRegKills(), use the machine-CFG itself rather than the 
LLVM CFG when trying to find the successors of BB.

llvm-svn: 13212
 2004-04-28 04:34:16 +00:00
Brian Gaeke
6c03805717 Update the machine-CFG edges whenever we see a branch. 
llvm-svn: 13211
 2004-04-28 04:19:37 +00:00
Brian Gaeke
369fa0ed81 Move private methods to end of class decl at Chris's request 
llvm-svn: 13210
 2004-04-28 04:15:06 +00:00