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3602 Commits

Author SHA1 Message Date
Chris Lattner
ff9f13a4b2 Implement InstCombine/phi.ll:test7, deletion of trivial value loops for 
induction variables.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33234 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-15 07:30:06 +00:00
Chris Lattner
76b7a06a75 simplify some code now that types are signless 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33232 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-15 07:02:54 +00:00
Chris Lattner
836692dd8a delete stores to allocas with one use. This is a trivial form of DSE which 
often kicks in for ?: expressions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33231 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-15 06:51:56 +00:00
Chris Lattner
42a7551725 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! :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33225 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-15 02:27:26 +00:00
Chris Lattner
4d5f508318 Eliminate calls to isInteger, generalizing code and tightening checks as needed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33218 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-15 01:55:30 +00:00
Chris Lattner
caed0e3d71 Fix Analysis/Dominators/2006-10-02-BreakCritEdges.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33210 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-15 00:15:09 +00:00
Chris Lattner
58e9746ef3 instcombine has always been miscompiling fcmp x, x, disregarding possible 
NANs.  This fixes PR1111 and Transforms/InstCombine/2007-01-14-FcmpSelf.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33208 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-14 19:42:17 +00:00
Chris Lattner
9fa58b5f66 Fix PR1110 and Analysis/Dominators/2007-01-14-BreakCritEdges.ll by being 
more careful about unreachable code when updating dominator info.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33204 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-14 18:33:35 +00:00
Chris Lattner
a5c5e7715c Fix Transforms/InstCombine/2007-01-13-ExtCompareMiscompile.ll, which is part 
of PR1107


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33185 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-13 23:11:38 +00:00
Reid Spencer
ac3e76ca8f Fix indentation to prior level for easier diffs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33184 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-13 05:10:53 +00:00
Nick Lewycky
0be7f47735 "Default context" blocks can occur after a non-default one. This meant 
that properties were being applied where they didn't belong. Fixes crash
in new MiBench testcase.

Also mark debugging code as such in #ifdef.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33177 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-13 02:05:28 +00:00
Chris Lattner
54a525d7ae Fix a minor bug handling constant exprs, introduced by a recent patch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33175 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-13 00:42:58 +00:00
Chris Lattner
c08b56f6a0 fix a bug in a recent patch 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33164 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-13 00:02:49 +00:00
Chris Lattner
ef60b2c4ed simplify some code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33150 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-12 22:51:20 +00:00
Chris Lattner
720922fe27 Remove over-general comparisons 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33147 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-12 22:49:11 +00:00
Chris Lattner
e9d4fa7a92 eliminate redundant check 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33132 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-12 18:35:11 +00:00
Chris Lattner
97d1fad3d2 Branch conditions must be i1 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33129 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-12 18:30:11 +00:00
Reid Spencer
a54b7cbd45 For PR1064: 
Implement the arbitrary bit-width integer feature. The feature allows
integers of any bitwidth (up to 64) to be defined instead of just 1, 8,
16, 32, and 64 bit integers.

This change does several things:
1. Introduces a new Derived Type, IntegerType, to represent the number of
   bits in an integer. The Type classes SubclassData field is used to
   store the number of bits. This allows 2^23 bits in an integer type.
2. Removes the five integer Type::TypeID values for the 1, 8, 16, 32 and
   64-bit integers. These are replaced with just IntegerType which is not
   a primitive any more.
3. Adjust the rest of LLVM to account for this change.

Note that while this incremental change lays the foundation for arbitrary
bit-width integers, LLVM has not yet been converted to actually deal with
them in any significant way. Most optimization passes, for example, will
still only deal with the byte-width integer types.  Future increments
will rectify this situation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33113 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-12 07:05:14 +00:00
Reid Spencer
579dca12c2 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33110 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-12 04:24:46 +00:00
Nick Lewycky
28c5b1544a 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).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33104 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-12 01:23:53 +00:00
Nick Lewycky
c2a7d097f9 Clean up logic after ConstantBool removal. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33096 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-12 00:02:12 +00:00
Reid Spencer
4fe16d607d Rename BoolTy as Int1Ty. Patch by Sheng Zhou. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33076 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-11 18:21:29 +00:00
Zhou Sheng
34dceb4757 Remove unnecessary boolean type check. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33075 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-11 14:38:17 +00:00
Zhou Sheng
6b6b6ef167 For PR1043: 
Merge ConstantIntegral and ConstantBool into ConstantInt.
Remove ConstantIntegral and ConstantBool from LLVM.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33073 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-11 12:24:14 +00:00
Zhou Sheng
057809ac1c Fixed indentation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33072 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-11 10:33:26 +00:00
Nick Lewycky
bc00fec835 Quiet compiler warning. The only reason the function is marked virtual 
is so that it can be called from inside a debugger.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33067 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-11 02:38:21 +00:00
Nick Lewycky
419c6f5ac8 New predicate simplifier! 
Please do not enable, there is still some known miscompile problem.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33066 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-11 02:32:38 +00:00
Chris Lattner
39ff1e2afc Fix a bug in heap-sra that caused compilation failure of office-ispell. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33043 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-09 23:29:37 +00:00
Jeff Cohen
dfc12993b9 Unbreak VC++ build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33021 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-08 20:17:17 +00:00
Reid Spencer
abaa8ca433 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).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33012 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-08 16:32:00 +00:00
Reid Spencer
ac8cdf79e7 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33011 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-08 16:17:51 +00:00
Reid Spencer
3c628627ea Types should be const. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33001 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-07 21:45:41 +00:00
Chris Lattner
ba8b327f67 this pass is unused 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32998 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-07 18:12:43 +00:00
Chris Lattner
b76efb71d4 Change the interface to Module::getOrInsertFunction to be easier to use,to resolve PR1088, and to help PR411. 
This simplifies many clients also


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32989 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-07 08:12:01 +00:00
Chris Lattner
a121fddf3c prepare for adjustment to getOrInsertFunction method 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32985 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-07 07:54:34 +00:00
Chris Lattner
febe5f1b3c relax some types 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32982 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-07 07:22:20 +00:00
Chris Lattner
35057c2625 relax types 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32981 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-07 06:59:47 +00:00
Chris Lattner
92141968cb relax some types 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32980 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-07 06:58:05 +00:00
Chris Lattner
ee4f13a904 add -debug output for -indvars. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32971 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-07 01:14:12 +00:00
Chris Lattner
46013f4044 Fix regressions in InstCombine/call-cast-target.ll and InstCombine/2003-11-13-ConstExprCastCall.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32959 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-06 19:53:32 +00:00
Reid Spencer
78d033e086 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32956 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-06 07:24:44 +00:00
Chris Lattner
80c6c3bbff this final call to canLosslesslyBitCastTo is dead, because ValueRequiresCast 
is only called on integers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32949 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-06 02:11:56 +00:00
Chris Lattner
ec47992f5c simplify some more code now that there are not multiple different integer 
types of the same size


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32948 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-06 02:09:32 +00:00
Chris Lattner
57d8637468 eliminate some uses of canLosslesslyBitCastTo, this actually makes the code stronger, by nuking 
relational pointer comparisons with casts.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32947 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-06 01:45:59 +00:00
Chris Lattner
d5dc0fb011 no need to worry about int vs uint any more. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32946 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-06 01:37:35 +00:00
Chris Lattner
e4929dd0cc Implement InstCombine/vec_shuffle.ll:%test7, simplifying shuffles with 
undef operands.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32899 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-05 07:36:08 +00:00
Chris Lattner
4f0e33d145 fold things like a^b != c^a -> b != c. This implements InstCombine/xor.ll:test27 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32893 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-05 03:04:57 +00:00
Chris Lattner
e617c9ed5d Compile X + ~X to -1. This implements Instcombine/add.ll:test34 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32890 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-05 02:17:46 +00:00
Reid Spencer
8c5a53a603 Death to useless bitcast instructions! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32866 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-04 05:23:51 +00:00
Chris Lattner
7ce2f8b265 Enable a couple xforms for packed vectors (undef | v) -> -1 for packed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32858 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-04 02:12:40 +00:00