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123 Commits

Author SHA1 Message Date
David Greene
f06a395bb9 New CallInst interface to address GLIBCXX_DEBUG errors caused by 
indexing an empty std::vector.

Updates to all clients.

llvm-svn: 40660
 2007-08-01 03:43:44 +00:00
Dan Gohman
2c5d31ee81 Minor comment cleanups. 
llvm-svn: 37321
 2007-05-24 14:36:04 +00:00
Chris Lattner
7b6a5d7956 remove use of Instruction::getNext 
llvm-svn: 36199
 2007-04-17 17:47:54 +00:00
Chris Lattner
d59b6b3d90 reduce use of std::set 
llvm-svn: 35576
 2007-04-02 01:44:59 +00:00
Dan Gohman
d0a0ea9916 Change uses of Function::front to Function::getEntryBlock for readability. 
llvm-svn: 35265
 2007-03-22 16:38:57 +00:00
Reid Spencer
0f63188d6a Make sorting of ConstantInt be APInt clean through use of ult function. 
llvm-svn: 34853
 2007-03-02 23:01:14 +00:00
Chris Lattner
ce2cc6e404 Eliminate use of ctors that take vectors. 
llvm-svn: 34219
 2007-02-13 02:10:56 +00:00
Chris Lattner
bbd6f81f3d simplify code by using Value::takeName 
llvm-svn: 34177
 2007-02-11 01:37:51 +00:00
Chris Lattner
7db51ec161 Adjust #includes to match movement of constant folding code from transformutils to libanalysis. 
llvm-svn: 33680
 2007-01-30 23:46:24 +00:00
Reid Spencer
14b42c0040 For PR1043: 
This is the final patch for this PR. It implements some minor cleanup
in the use of IntegerType, to wit:
1. Type::getIntegerTypeMask -> IntegerType::getBitMask
2. Type::Int*Ty changed to IntegerType* from Type*
3. ConstantInt::getType() returns IntegerType* now, not Type*

This also fixes PR1120.

Patch by Sheng Zhou.

llvm-svn: 33370
 2007-01-19 21:13:56 +00:00
Chris Lattner
c5e1611848 rename Type::isIntegral to Type::isInteger, eliminating the old Type::isInteger. 
rename Type::getIntegralTypeMask to Type::getIntegerTypeMask.

This makes naming much more consistent.  For example, there are now no longer any
instances of IntegerType that are not considered isInteger! :)

llvm-svn: 33225
 2007-01-15 02:27:26 +00:00
Chris Lattner
8fbcb083aa Eliminate calls to isInteger, generalizing code and tightening checks as needed. 
llvm-svn: 33218
 2007-01-15 01:55:30 +00:00
Reid Spencer
3d986f6487 Implement review feedback for the ConstantBool->ConstantInt merge. Chris 
recommended that getBoolValue be replaced with getZExtValue and that
get(bool) be replaced by get(const Type*, uint64_t). This implements
those changes.

llvm-svn: 33110
 2007-01-12 04:24:46 +00:00
Reid Spencer
f3265181e2 Rename BoolTy as Int1Ty. Patch by Sheng Zhou. 
llvm-svn: 33076
 2007-01-11 18:21:29 +00:00
Zhou Sheng
23d24526b2 For PR1043: 
Merge ConstantIntegral and ConstantBool into ConstantInt.
Remove ConstantIntegral and ConstantBool from LLVM.

llvm-svn: 33073
 2007-01-11 12:24:14 +00:00
Reid Spencer
4428c3483b For PR950: 
This patch removes the SetCC instructions and replaces them with the ICmp
and FCmp instructions. The SetCondInst instruction has been removed and
been replaced with ICmpInst and FCmpInst.

llvm-svn: 32751
 2006-12-23 06:05:41 +00:00
Reid Spencer
992d9788b3 For PR950: 
The long awaited CAST patch. This introduces 12 new instructions into LLVM
to replace the cast instruction. Corresponding changes throughout LLVM are
provided. This passes llvm-test, llvm/test, and SPEC CPUINT2000 with the
exception of 175.vpr which fails only on a slight floating point output
difference.

llvm-svn: 31931
 2006-11-27 01:05:10 +00:00
Bill Wendling
999f49061f Remove #include <iostream> and use llvm_* streams instead. 
llvm-svn: 31925
 2006-11-26 10:17:54 +00:00
Chris Lattner
cdb67482da Do not convert massive blocks on phi nodes into select statements. Instead 
only do these transformations if there are a small number of phi's.
This speeds up Ptrdist/ks from 2.35s to 2.19s on my mac pro.

llvm-svn: 31853
 2006-11-18 19:19:36 +00:00
Reid Spencer
da1f5b882a For PR950: 
This patch converts the old SHR instruction into two instructions,
AShr (Arithmetic) and LShr (Logical). The Shr instructions now are not
dependent on the sign of their operands.

llvm-svn: 31542
 2006-11-08 06:47:33 +00:00
Reid Spencer
4bafa71dc1 For PR786: 
Turn on -Wunused and -Wno-unused-parameter. Clean up most of the resulting
fall out by removing unused variables. Remaining warnings have to do with
unused functions (I didn't want to delete code without review) and unused
variables in generated code. Maintainers should clean up the remaining
issues when they see them. All changes pass DejaGnu tests and Olden.

llvm-svn: 31380
 2006-11-02 20:25:50 +00:00
Chris Lattner
cc8731fef4 Fix SimplifyCFG/2006-10-29-InvokeCrash.ll, a crash compiling QT. 
llvm-svn: 31284
 2006-10-29 21:21:20 +00:00
Reid Spencer
d414793dbc For PR950: 
This patch implements the first increment for the Signless Types feature.
All changes pertain to removing the ConstantSInt and ConstantUInt classes
in favor of just using ConstantInt.

llvm-svn: 31063
 2006-10-20 07:07:24 +00:00
Chris Lattner
d9aa90ded4 Fix SimplifyCFG/2006-10-19-UncondDiv.ll by disabling a bad xform. 
llvm-svn: 31061
 2006-10-20 00:42:07 +00:00
Chris Lattner
b7442c1f8b Fix PR867 (and maybe 868) and testcsae: 
Transforms/SimplifyCFG/2006-08-03-Crash.ll

llvm-svn: 29515
 2006-08-03 21:40:24 +00:00
Chris Lattner
649af38df3 Fix an infinite loop on Transforms/SimplifyCFG/2006-06-12-InfLoop.ll 
llvm-svn: 28758
 2006-06-12 20:18:01 +00:00
Chris Lattner
5aa7f78065 remove some dead code identified by coverity 
llvm-svn: 28289
 2006-05-14 18:45:44 +00:00
Chris Lattner
4ad747c469 remove dead variables 
llvm-svn: 28286
 2006-05-14 18:33:57 +00:00
Chris Lattner
d9b0de3240 Fix Transforms/SimplifyCFG/2006-02-17-InfiniteUnroll.ll 
llvm-svn: 26275
 2006-02-18 00:33:17 +00:00
Chris Lattner
adff158fbd Add explicit #includes of <iostream> 
llvm-svn: 25509
 2006-01-22 22:53:01 +00:00
Chris Lattner
f9a1c37c84 Fix SimplifyCFG/2005-12-03-IncorrectPHIFold.ll 
llvm-svn: 24581
 2005-12-03 18:25:58 +00:00
Chris Lattner
cd43592209 Clean up the code a bit. Use isInstructionTriviallyDead to be more aggressive 
and more correct than use_empty().  This fixes PR635 and
SimplifyCFG/2005-10-02-InvokeSimplify.ll

llvm-svn: 23616
 2005-10-03 23:43:43 +00:00
Chris Lattner
5ce68bab6c remove some debugging code 
llvm-svn: 23411
 2005-09-23 18:49:09 +00:00
Chris Lattner
88c234b5e4 Fold two consequtive branches that share a common destination between them. 
This implements SimplifyCFG/branch-fold.ll, and is useful on ?:/min/max heavy
code

llvm-svn: 23410
 2005-09-23 18:47:20 +00:00
Chris Lattner
67437dce2c simplify some logic further 
llvm-svn: 23408
 2005-09-23 07:23:18 +00:00
Chris Lattner
48df043325 pull a bunch of logic out of SimplifyCFG into a helper fn 
llvm-svn: 23407
 2005-09-23 06:39:30 +00:00
Chris Lattner
07cf4f249d Start threading across blocks with code in them, so long as the code does 
not define a value that is used outside of it's block.  This catches many
more simplifications, e.g. 854 in 176.gcc, 137 in vpr, etc.

This implements branch-phi-thread.ll:test3.ll

llvm-svn: 23397
 2005-09-20 01:48:40 +00:00
Chris Lattner
44a9487815 Implement merging of blocks with the same condition if the block has multiple 
predecessors.  This implements branch-phi-thread.ll::test1

llvm-svn: 23395
 2005-09-20 00:43:16 +00:00
Chris Lattner
4013184d6b Reject a case we don't handle yet 
llvm-svn: 23393
 2005-09-19 23:57:04 +00:00
Chris Lattner
642f0d6aea remove debugging code :-/ 
llvm-svn: 23392
 2005-09-19 23:50:15 +00:00
Chris Lattner
34785e2d43 Implement SimplifyCFG/branch-phi-thread.ll, the most trivial case of threading 
control across branches with determined outcomes.  More generality to follow.
This triggers a couple thousand times in specint.

llvm-svn: 23391
 2005-09-19 23:49:37 +00:00
Chris Lattner
3672ceb70b Fix Transforms/SimplifyCFG/2005-08-03-PHIFactorCrash.ll, a problem that 
occurred while bugpointing another testcase

llvm-svn: 22621
 2005-08-03 17:59:45 +00:00
Chris Lattner
6e1d5a8b28 Finally, add the required constraint checks to fix Transforms/SimplifyCFG/2005-08-01-PHIUpdateFail.ll 
the right way

llvm-svn: 22615
 2005-08-03 00:59:12 +00:00
Chris Lattner
cbf4b650ba Simplify some code, add the correct pred checks 
llvm-svn: 22613
 2005-08-03 00:38:27 +00:00
Chris Lattner
c59014baef Refactor code out of PropagatePredecessorsForPHIs, turning it into a pure function with no side-effects 
llvm-svn: 22612
 2005-08-03 00:29:26 +00:00
Chris Lattner
0f4e0d19cc use splice instead of remove/insert to avoid some symtab operations 
llvm-svn: 22611
 2005-08-03 00:23:42 +00:00
Chris Lattner
adbd086f50 move two functions up in the file, use SafeToMergeTerminators to eliminate 
some duplicated code

llvm-svn: 22610
 2005-08-03 00:19:45 +00:00
Chris Lattner
b9efb90e1a Rip some code out of the main SimplifyCFG function into a subfunction and 
call it from the only place it is live.  No functionality changes.

llvm-svn: 22609
 2005-08-03 00:11:16 +00:00
Chris Lattner
df31d75597 Disable this patch: 
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20050801/027345.html

This breaks real programs and only fixes an obscure regression testcase.  A
real fix is in development.

llvm-svn: 22606
 2005-08-02 23:31:38 +00:00
Chris Lattner
b5906d5783 Change a place to use an arbitrary value instead of null, when possible 
llvm-svn: 22605
 2005-08-02 23:29:23 +00:00