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2736 Commits

Author SHA1 Message Date
Reid Spencer cddc9dfe97 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
Nick Lewycky ee32ee0250 If we know that it's a constant being casted, propagate through the cast 
instruction. Doesn't work the other way though (can't recover bits that
have been truncated).

llvm-svn: 33104
 2007-01-12 01:23:53 +00:00
Nick Lewycky 4a74a75bbb Clean up logic after ConstantBool removal. 
llvm-svn: 33096
 2007-01-12 00:02:12 +00:00
Reid Spencer 542964f55b Rename BoolTy as Int1Ty. Patch by Sheng Zhou. 
llvm-svn: 33076
 2007-01-11 18:21:29 +00:00
Zhou Sheng bd23db9968 Remove unnecessary boolean type check. 
llvm-svn: 33075
 2007-01-11 14:38:17 +00:00
Zhou Sheng 75b871fb1e 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
Zhou Sheng 691b263e07 Fixed indentation. 
llvm-svn: 33072
 2007-01-11 10:33:26 +00:00
Nick Lewycky 5d6ede524a Quiet compiler warning. The only reason the function is marked virtual 
is so that it can be called from inside a debugger.

llvm-svn: 33067
 2007-01-11 02:38:21 +00:00
Nick Lewycky 2fc338f923 New predicate simplifier! 
Please do not enable, there is still some known miscompile problem.

llvm-svn: 33066
 2007-01-11 02:32:38 +00:00
Chris Lattner 8571caa99b Fix a bug in heap-sra that caused compilation failure of office-ispell. 
llvm-svn: 33043
 2007-01-09 23:29:37 +00:00
Jeff Cohen 223004cd12 Unbreak VC++ build. 
llvm-svn: 33021
 2007-01-08 20:17:17 +00:00
Reid Spencer 8f166b0ef3 Comparison of primitive type sizes should now be done in bits, not bytes. 
This patch converts getPrimitiveSize to getPrimitiveSizeInBits where it is
appropriate to do so (comparison of integer primitive types).

llvm-svn: 33012
 2007-01-08 16:32:00 +00:00
Reid Spencer bf96e02a54 For PR1097: 
Enable complex addressing modes on 64-bit platforms involving two induction
variables by keeping a size and scale in 64-bits not 32.
Patch by Dan Gohman.

llvm-svn: 33011
 2007-01-08 16:17:51 +00:00
Reid Spencer 4f98e62831 Types should be const. 
llvm-svn: 33001
 2007-01-07 21:45:41 +00:00
Chris Lattner 950d0e9926 this pass is unused 
llvm-svn: 32998
 2007-01-07 18:12:43 +00:00
Chris Lattner 34acba48cc Change the interface to Module::getOrInsertFunction to be easier to use,to resolve PR1088, and to help PR411. 
This simplifies many clients also

llvm-svn: 32989
 2007-01-07 08:12:01 +00:00
Chris Lattner d97f1936bb prepare for adjustment to getOrInsertFunction method 
llvm-svn: 32985
 2007-01-07 07:54:34 +00:00
Chris Lattner cc4715e06e relax some types 
llvm-svn: 32982
 2007-01-07 07:22:20 +00:00
Chris Lattner 9641ab26ec relax types 
llvm-svn: 32981
 2007-01-07 06:59:47 +00:00
Chris Lattner fbc524fe87 relax some types 
llvm-svn: 32980
 2007-01-07 06:58:05 +00:00
Chris Lattner 0816559b13 add -debug output for -indvars. 
llvm-svn: 32971
 2007-01-07 01:14:12 +00:00
Chris Lattner 7051d758de Fix regressions in InstCombine/call-cast-target.ll and InstCombine/2003-11-13-ConstExprCastCall.ll 
llvm-svn: 32959
 2007-01-06 19:53:32 +00:00
Reid Spencer 32af9e8cc5 For PR411: 
Take an incremental step towards type plane elimination. This change
separates types from values in the symbol tables by finally making use
of the TypeSymbolTable class. This yields more natural interfaces for
dealing with types and unclutters the SymbolTable class.

llvm-svn: 32956
 2007-01-06 07:24:44 +00:00
Chris Lattner c343a99786 this final call to canLosslesslyBitCastTo is dead, because ValueRequiresCast 
is only called on integers.

llvm-svn: 32949
 2007-01-06 02:11:56 +00:00
Chris Lattner 400f959a0c simplify some more code now that there are not multiple different integer 
types of the same size

llvm-svn: 32948
 2007-01-06 02:09:32 +00:00
Chris Lattner 64d87b0215 eliminate some uses of canLosslesslyBitCastTo, this actually makes the code stronger, by nuking 
relational pointer comparisons with casts.

llvm-svn: 32947
 2007-01-06 01:45:59 +00:00
Chris Lattner 3fe98ae10a no need to worry about int vs uint any more. 
llvm-svn: 32946
 2007-01-06 01:37:35 +00:00
Chris Lattner d7b6ea166d Implement InstCombine/vec_shuffle.ll:%test7, simplifying shuffles with 
undef operands.

llvm-svn: 32899
 2007-01-05 07:36:08 +00:00
Chris Lattner 17c7c030c2 fold things like a^b != c^a -> b != c. This implements InstCombine/xor.ll:test27 
llvm-svn: 32893
 2007-01-05 03:04:57 +00:00
Chris Lattner 23eb8ec78b Compile X + ~X to -1. This implements Instcombine/add.ll:test34 
llvm-svn: 32890
 2007-01-05 02:17:46 +00:00
Reid Spencer 6ff3e73db6 Death to useless bitcast instructions! 
llvm-svn: 32866
 2007-01-04 05:23:51 +00:00
Chris Lattner 806adafd95 Enable a couple xforms for packed vectors (undef | v) -> -1 for packed. 
llvm-svn: 32858
 2007-01-04 02:12:40 +00:00
Jim Laskey c4ba9c161b Vectors are not supported by ConstantInt::getAllOnesValue. 
llvm-svn: 32827
 2007-01-03 00:11:03 +00:00
Reid Spencer e8a74ee5ea Fix a typo. 
llvm-svn: 32803
 2006-12-31 22:26:06 +00:00
Reid Spencer c635f47d9a For PR950: 
This patch replaces signed integer types with signless ones:
1. [US]Byte -> Int8
2. [U]Short -> Int16
3. [U]Int   -> Int32
4. [U]Long  -> Int64.
5. Removal of isSigned, isUnsigned, getSignedVersion, getUnsignedVersion
   and other methods related to signedness. In a few places this warranted
   identifying the signedness information from other sources.

llvm-svn: 32785
 2006-12-31 05:48:39 +00:00
Reid Spencer 193df25eb9 For PR1066: 
Fix this by ensuring that a bitcast is inserted to do sign switching. This
is only temporarily needed as the merging of signed and unsigned is next
on the SignlessTypes plate.

llvm-svn: 32757
 2006-12-24 00:40:59 +00:00
Reid Spencer 910f23f7d7 Shut up some compilers that can't accurately analyze variable usage 
correctly and emit "may be used uninitialized" warnings.

llvm-svn: 32756
 2006-12-23 19:17:57 +00:00
Reid Spencer 43c77d53ff For PR1065: 
Don't allow CmpInst instances to be processed in FoldSelectOpOp because
you can't easily swap their operands.

llvm-svn: 32753
 2006-12-23 18:58:04 +00:00
Reid Spencer 266e42b312 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
Chris Lattner f171af97d5 add a simple fast-path for dead allocas 
llvm-svn: 32750
 2006-12-22 23:14:42 +00:00
Reid Spencer a276d0972c Remove isSigned calls via foreknowledge of main's argument types. 
llvm-svn: 32730
 2006-12-21 07:49:49 +00:00
Reid Spencer 4720d4d9ef Get rid of a useless if statement whose then and else blocks were identical. 
llvm-svn: 32729
 2006-12-21 07:15:54 +00:00
Chris Lattner 1847f6ddbd handle undef values much more carefully: generalize the resolveundefbranches 
code to handle instructions as well, so that we properly fold things like
X & undef -> 0.
This fixes Transforms/SCCP/2006-12-19-UndefBug.ll

llvm-svn: 32715
 2006-12-20 06:21:33 +00:00
Chris Lattner 575d3218ab switch statistics over to not use static ctors. 
llvm-svn: 32709
 2006-12-19 23:16:47 +00:00
Chris Lattner 1fa216f572 eliminate static ctor from example. 
llvm-svn: 32696
 2006-12-19 22:24:09 +00:00
Chris Lattner 40b29cac01 remove dead statistic 
llvm-svn: 32695
 2006-12-19 22:23:21 +00:00
Chris Lattner 45f966d80f switch more statistics over to STATISTIC, eliminating static ctors. Also, 
delete some dead ones.

llvm-svn: 32694
 2006-12-19 22:17:40 +00:00
Chris Lattner 1631bcb1d4 Eliminate static ctors due to Statistic objects 
llvm-svn: 32693
 2006-12-19 22:09:18 +00:00
Chris Lattner 0e5255bdc6 Convert more Statistic's over to STATISTIC 
llvm-svn: 32692
 2006-12-19 21:49:03 +00:00
Chris Lattner 79a42ac941 Switch over Transforms/Scalar to use the STATISTIC macro. For each statistic 
converted, we lose a static initializer.  This also allows GCC to emit warnings
about unused statistics.

llvm-svn: 32690
 2006-12-19 21:40:18 +00:00