Commit Graph

651 Commits

Author SHA1 Message Date
Reid Spencer
9bf94a4a9f Add a FIXME
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34828 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-02 02:01:34 +00:00
Reid Spencer
36184ed4cd Fix a problem where shifting by 64-bits leads to incorrect results on PPC
but not on X86 becuase shift by word size is "undefined".


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34825 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-02 01:19:42 +00:00
Reid Spencer
295e40aa5c Combine two lines that can be.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34818 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-01 23:30:25 +00:00
Reid Spencer
4e1e87f09c Make the static table of results in sqrt const.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34791 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-01 17:47:31 +00:00
Reid Spencer
68e2300ad9 Add methods for bit width modification: sextOrTrunc, zextOrTrunc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34789 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-01 17:15:32 +00:00
Reid Spencer
a6e8a955d6 Remove the "isSigned" parameters from ConstantRange. It turns out they
are not needed as the results are the same with or without it.

Patch by Nicholas Lewycky.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34782 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-01 07:54:15 +00:00
Reid Spencer
b5ca2cd509 Use a real table in sqrt to shorten and quicken the code.
Thanks for the idea Chris.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34779 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-01 06:23:32 +00:00
Reid Spencer
af8fb19846 Add a square root function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34775 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-01 05:39:56 +00:00
Reid Spencer
bb626a6751 Move ConstantRange class to lib/Support from lib/Analysis and make its
interface not depend on Type or ICmpInst.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34761 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28 22:02:48 +00:00
Reid Spencer
581b0d453a For PR1205:
Remove ConstantInt from ConstantRange interface and adjust its users to
compensate.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34758 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28 19:57:34 +00:00
Reid Spencer
dc5c159701 For PR1205:
First round of ConstantRange changes. This makes all CR constructors use
only APInt and not use ConstantInt. Clients are adjusted accordingly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34756 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28 18:57:32 +00:00
Reid Spencer
663e711dc2 For PR1205:
Convert ConstantRange class to use APInt internally as its value type for
the constant range, instead of ConstantInt.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34745 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28 17:36:23 +00:00
Reid Spencer
94900774ad Make the trunc/sext/zext methods return APInt& so that these operations
can be chained together with other operations.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34743 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28 17:34:32 +00:00
Reid Spencer
ff60576646 Fix a bug in RoundDoubleToAPInt where it would force the size to 64 bits
instead of honoring the client's requested bit width.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34712 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28 01:30:08 +00:00
Reid Spencer
f5c0fd9e16 Join two lines that can be joined.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34705 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27 23:49:07 +00:00
Reid Spencer
681dcd14e9 Implement countLeadingOnes() and getMinSignedBits(). This helps to minimize
the bit width of negative numbers by computing the minimum bit width for a
negative value. E.g. 0x1800000000000000 could be just 0x8000000000000000


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34695 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27 21:59:26 +00:00
Reid Spencer
66ed1099ff Improve APInt interface:
1. Add unsigned and signed versions of methods so a "bool" argument doesn't
   need to be passed in.
2. Make the various getMin/getMax functions all be inline since they are
   so simple.
3. Simplify sdiv and srem code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34680 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27 20:24:31 +00:00
Reid Spencer
96d91372fd Conform to single person attribution in file comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34678 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27 19:31:09 +00:00
Reid Spencer
1fa111e8d4 1. Fix three serious bugs in the comparison code.
2. Change RoundDoubleToAPInt to take a bit width parameter. Use that
   parameter to limit the bit width of the result.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34673 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27 18:23:40 +00:00
Reid Spencer
b4d8ae5dfb Get rid of extraneous // in file comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34662 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27 07:35:18 +00:00
Reid Spencer
30f44f3287 Simplify and document RoundDoubleToAPInt.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34648 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27 01:28:10 +00:00
Reid Spencer
9ac44113a8 1. Make sure all delete operators of arrays use the array form of delete.
2. Rewrite operator=(const APInt& RHS) to allow the RHS to be a different
   bit width than the LHS. This makes it possible to use APInt as the key
   of a DenseMap, as needed for the IntConstants map in Constants.cpp
3. Fix operator=(uint64_t) to clear unused bits in case the client assigns
   a value that has more bits than the APInt allows.
4. Assert that bit widths are equal in operator==
5. Revise getHashValue() to put the bit width in the low order six bits.
   This should help to make i1 0, i2 0, ... i64 0 all distinct in the
   IntConstants DenseMap.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34646 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-26 23:38:21 +00:00
Reid Spencer
794f4725b8 Implement the getHashValue method.
Fix toString use of getValue to use getZExtValue()


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34642 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-26 21:02:27 +00:00
Reid Spencer
9d1ae8fabe Re-enable this. The header was committed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34634 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-26 08:10:54 +00:00
Chris Lattner
ab143beb93 another missing header :( :( :(
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34632 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-26 07:51:00 +00:00
Reid Spencer
47fbe9e00c 1. Remove redundant calls to clearUsedBits().
2. Fix countTrailingZeros to use a faster algorithm.
3. Simplify sext() slightly by using isNegative().
4. Implement ashr using word-at-a-time logic instead of bit-at-a-time
5. Rename locals named isNegative so they don't clash with method name.
6. Fix fromString to compute negated value correctly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34629 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-26 07:44:38 +00:00
Reid Spencer
ba81c2b871 Rewrite lshr to not do bit by bit copy but to copy and shift whole words.
This makes it much more efficient.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34618 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-26 01:19:48 +00:00
Reid Spencer
f30b1885ae Fix sext operation. Shifting by zero would leave an incorrect mask.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34617 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-25 23:54:00 +00:00
Reid Spencer
9eec241347 1. Fix the flip() method to correctly flip all words of the APInt.
2. Implement the trunc, sext, and zext operations.
3. Improve fromString to accept negative values as input.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34616 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-25 23:44:53 +00:00
Reid Spencer
5d0d05c9b8 1. Provide more detail in file comment.
2. Move comments for methods to .h file, delete them in .cpp file.
3. All places that were doing manual clear of high order bits now call the
   clearUnusedBits() method in order to not depend on undefined behavior
   of the >> operator when the number of bits shifted equals the word size.
4. Reduced # of loc by using the new result of clearUnusedBits() method.
5. Simplified logic (decreased indentation) in a few places.
6. Added code comments to larger functions that needed them.
7. Added FIXME notes about weak implementations of things (e.g. bit-by-bit
   shift right is sub-optimal).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34603 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-25 19:32:03 +00:00
Reid Spencer
31d16b039a Allow this to compile now that the header file is checked in.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34581 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-25 07:30:14 +00:00
Chris Lattner
0f07e55312 this doesn't compile, disable it
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34571 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-25 02:32:44 +00:00
Reid Spencer
24c4a8f548 Clean up lshr and ashr to coding standards.
Handle the single word cases for shiftAmt == BitWidth.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34569 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-25 01:56:07 +00:00
Reid Spencer
438d71eea4 Whoops, last word with bits in large shift left wasn't correct.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34565 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-25 01:08:58 +00:00
Reid Spencer
8755380fff Fix the > 64 bits case for left shift.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34564 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-25 00:56:44 +00:00
Reid Spencer
1050ec5cc4 Fix the remainder shifting in KnuthDiv.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34562 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-24 20:38:01 +00:00
Reid Spencer
5bce8547f3 1. Fix a bug in fromString for the <= 64bits case
2. Fix shl when shiftAmount == BitWidth.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34560 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-24 20:19:37 +00:00
Reid Spencer
610fad85d2 1. Fix last bug in KnuthDiv. All divide tests pass up to 1024 bits now.
2. Clean up comments, style, coding standards, etc.
3. Simplify a constructor.

Extended testing revealed some additional bugs in shifting. I'll fix these
tomorrow.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34559 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-24 10:01:42 +00:00
Reid Spencer
9d6c919efe 1. Make internal functions take const arguments where they should, just
to be safe.
2. Make internal functions that return a carry/borrow return bool instead
   of uint64_t because the carry/borrow can only be in range [0,1].
3. Assert that the pointers to KnuthDiv are all different so that the
   result and operands can't overlap.
4. Add debug output to KnuthDiv function.
5. Fix a problem with KnuthDiv by separating the b's complement operation
   from the subtraction borrow operation. This fixes a wide range of
   division problems, but alas, not all of them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34554 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-24 03:58:46 +00:00
Chris Lattner
34aae111ff remove folding set debug output
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34549 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-24 01:41:48 +00:00
Chris Lattner
d675b8347d Avoid TBAA issue.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34539 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-23 22:31:24 +00:00
Reid Spencer
9290463760 1. Fix a carry out problem in add if destination and x point to the same
memory (as done in fromString).
2. Implement Knuth divide more closely to what is recommended in his book.
3. Fix computation of the remainder for Knuth Divide (bad shifting).
4. Remove some cruft from the file


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34518 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-23 01:57:13 +00:00
Reid Spencer
15aab8a723 When converting from 64 to 32-bits, use the actual number of words to
extract the value, not the number of words implied by the active bits.
This fixes numerous, but not all divide bugs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34484 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-22 00:58:45 +00:00
Reid Spencer
ab2b2c827c Fix countLeadingZeros in the case that the bitwidth evenly divides the
word size. This fixes all reads of uninitialized data (buffer over read)
and makes APInt.cpp memory clean, per valgrind. The only remaining
problem is division in a few cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34483 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-22 00:22:00 +00:00
Reid Spencer
e0cdd3349d Reorganize some code to make it clearer, avoid a few uninitialized memory
reads, and reduce the number of temporary APInt instances we construct.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34467 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-21 08:21:52 +00:00
Reid Spencer
60c0a6a74b Fix the carry in addition.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34465 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-21 05:44:56 +00:00
Reid Spencer
385f7547b9 1. Add a dump() method for faster debugging.
2. Change 0 initialization of union to larger component so all is zeroed.
3. Fix the borrow logic in subtraction so it works for > 128 bits.
4. Rewrite fromString to use a simpler but correct algorithm and also to
   not set the bit width contrary to the user's request.
5. Optimize toString a bit by making it only do one Knuth divide per
   iteration instead of two.

With these changes, all arithmetic passes (verified by pari/GP) up to
1024 bits except for certain division cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34463 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-21 03:55:44 +00:00
Reid Spencer
e549c4940c Fix countLeadingZeros to actually return the correct number.
Fix toString to correctly return "0" for zero valued APInts over 128 bits.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34459 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-21 00:29:48 +00:00
Reid Spencer
54362ca095 Make long addition and subtraction work. Speed things up by using internal
functions more.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34458 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-20 23:40:25 +00:00
Reid Spencer
61eb180a53 Clean up variable names in operator*.
Attempt #3 for getting a portable INFINITY value.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34454 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-20 20:42:10 +00:00
Reid Spencer
580546a82b Use INFINITY macro from math.h instead of constructing hex floating point
constants (avoids warnings).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34452 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-20 18:29:12 +00:00
Reid Spencer
9c0696f153 First version that can process arith.cpp test case up to 1024 bits:
1. Ensure pVal is set to 0 in each constructor.
2. Fix roundToDouble to make correct calculations and not read beyond the
   end of allocated memory.
3. Implement Knuth's "classical algorithm" for division from scratch and
   eliminate buffer overflows and uninitialized mememory reads. Document
   it properly too.
4. Implement a wrapper function for KnuthDiv which handles the 64-bit to
   32-bit conversion and back. It also implement short division for the
   n == 1 case that Knuth's algorithm can't handle.
5. Simplify the logic of udiv and urem a little, make them exit early, and
   have them use the "divide" wrapper function to perform the division
   or remainder operation.
6. Move the toString function to the end of the file, closer to where
   the division functions are located.

Note: division is still broken for some > 64 bit values, but at least it
      doesn't crash any more.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34449 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-20 08:51:03 +00:00
Chris Lattner
d283566319 Not all managedstatics need object pointers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34444 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-20 06:18:57 +00:00
Reid Spencer
f99a0ac0dc 1. Fix some indentation and variable names in the get{Min,Max}Value methods.
2. Implement toString for power-of-2 radix without using divide and always
   printing full words. This allows hex/binary to look at the bit
   respresentation of the APInt as well as avoid bugs in divide.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34396 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-18 22:29:05 +00:00
Reid Spencer
a58f05847c 1. Use APINT_WORD_SIZE instead of sizeof(uint64_t)
2. Teach slt about signedness.
3. Teach roundToDouble to properly sign extend.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34391 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-18 20:09:41 +00:00
Reid Spencer
af0e956cef 1. Remove dead code (lshift function).
2. Consolidate memory allocation into just two inline functions.
3. Convert "unsigned" to uint32_t to gaurantee its size.
4. Eliminate magic constants and replace with symbolic equivalent.
5. Improve code documentation slightly.
6. Simplify the logical operator code because bitwidths must be the same.
7. Fix indentation per coding standards.
8. Use exit-early style to reduce indentation in several functions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34389 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-18 18:38:44 +00:00
Reid Spencer
f2c521c58d Make add_1 exit early if carry is 0.
Fix line breaks and 80 cols violation.
Simplify operator^= since bitwidths must be the same.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34388 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-18 06:39:42 +00:00
Reid Spencer
443b570149 Implement signed output for toString.
Fix bugs in countLeadingZeros and countTrailingZeros.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34386 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-18 00:44:22 +00:00
Reid Spencer
c72f28042b Fix some bugs in division logic.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34384 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-17 22:38:07 +00:00
Reid Spencer
5e0a851ed3 Move static functions closer to their usage.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34363 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-17 03:16:00 +00:00
Reid Spencer
71bd08f9be Clean up the divide and remainder logic a bit (exit early). Use more
meaningful variable names. Add comments to document the flow.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34362 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-17 02:07:07 +00:00
Reid Spencer
cd6f2bfc26 Fix bugs introduced by constructor parameter order change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34357 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-17 00:18:01 +00:00
Reid Spencer
e81d2dad2c Review changes:
1. Function style changes.
2. 80-col violations.
3. Better names for things.
4. Arrange constructors so they all take bit width first.
5. Add named signed and unsigned comparison functions and remove the
   corresponding operators.
6. Remove operator&& and operator|| but provide a getBoolValue function which
   converts to bool as comparison against 0. This allows the normal && and
   || operators to be used as if (X.getBoolValue() && Y.getBoolValue())

Note: this still doesn't function 100% yet. I'm working on the bugs now.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34353 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-16 22:36:51 +00:00
Anton Korobeynikov
9ba8a76f8b Add possibility to set memory limit for binaries run via libSystem. This
is especially needed for bugpoint. This partly implements PR688


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34349 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-16 19:11:07 +00:00
Zhou Sheng
b04973edfa Fix some buges:
1. Make getMinValue() returns the right value.
2. Fix the ByteSwap() crash problem.
3. Make Postfix increment work correctly.
4. Fix some bugs in LogBase2, Hi/LoBits and UDiv.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34304 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-15 06:36:31 +00:00
Reid Spencer
879dfe1c9c Use brute-force algorithm for to_string. It doesn't have to be efficient
at this point, it just needs to work so we can test things reliably.


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2007-02-14 02:52:25 +00:00
Reid Spencer
db3faa64ee Make some minor improvements to APInt:
1. Make all the operators use uppercase
2. Rename APIntRoundToDouble method just RoundToDouble, the APInt is
   redundant.
3. Turn the class on for compilation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34253 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-13 22:41:58 +00:00
Zhou Sheng
d93f00c35d 1. Make APInt::shl work correctly and more efficiently.
2. Add functions to support the numberical conversion between APInt and
   double/float.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34201 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-12 20:02:55 +00:00
Chris Lattner
44dcd01cb3 Add support for removing elements out of StringMap.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34185 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-11 20:58:00 +00:00
Chris Lattner
b5bb9f5b5c Replace the ugly FindValue method with STL-like find methods.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34183 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-11 19:49:41 +00:00
Chris Lattner
360cac8fef remove support for stringmap visitors now that iterators exist.
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2007-02-11 08:22:15 +00:00
Chris Lattner
a86559ec42 add support for iterators.
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2007-02-11 08:20:35 +00:00
Nick Lewycky
3e051647c0 Fix comments to match names of functions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34173 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-11 00:58:49 +00:00
Zhou Sheng
ff4304f824 Eliminates friend function declaration inside APInt, instead, adds public
methods as those global function's internal implementation.


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2007-02-09 07:48:24 +00:00
Chris Lattner
bb28a81ba3 Rename CStringMap -> StringMap, since it now supports nul characters in the
strings.


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2007-02-08 19:20:57 +00:00
Chris Lattner
ee182422ff Allow cstringmap to contain strings with nul characters in them.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34062 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-08 19:08:37 +00:00
Zhou Sheng
a05eaa658e Switched this file on accidently.
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2007-02-08 16:45:48 +00:00
Zhou Sheng
0b706b18bd As Chris and Reid suggested, remove "isSigned" field from APInt, instead,
add some signed/unsigned arithmetic operation functions into APInt.h to
handle the signed/unsigned issue. These functions will be defined inside a
namespace "APIntOps" which is inside llvm namespace.


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2007-02-08 14:35:19 +00:00
Zhou Sheng
a3832fd46a As Chris suggested, fixed some problems. (This is the first part)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33989 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-07 06:14:53 +00:00
Chris Lattner
e237cf934f do not let the table fill up with tombstones.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33973 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-07 01:11:25 +00:00
Zhou Sheng
353815dc19 As Reid suggested, fixed some problems.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33955 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-06 06:04:53 +00:00
Chris Lattner
6ad4c148cf Disable this for now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33953 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-06 05:38:37 +00:00
Zhou Sheng
fd43dcfc57 Add a class APInt to represent arbitrary precision constant integral values.
It is a functional replacement for common case integer type like "unsigned",
"uint64_t", but also allows non-byte-width integer type and large integer
value types such as 3-bits, 15-bits, or more than 64-bits of precision. For
more details, see pr1043.


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2007-02-06 03:00:16 +00:00
Chris Lattner
7ef856dfad Fix a bug in smallptrset::erase: in the small case, return true if the
element was in the set.


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2007-02-05 23:10:31 +00:00
Chris Lattner
e4116f8553 Encode small integers more densely in foldingset, avoiding overflowing the SmallVector as often.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33864 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-04 01:48:10 +00:00
Chris Lattner
0de4439ad1 improve comments, add an assertion
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2007-02-01 05:33:21 +00:00
Devang Patel
aed293dfba Add PrintVersionMessage() that tools can use to print version number
without exiting program.


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2007-02-01 01:43:37 +00:00
Reid Spencer
9e693eb499 Add some debug output.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33718 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-31 21:27:38 +00:00
Chris Lattner
b85210f508 minor cleanups. Fix off-by-one in accounting the number of nodes when the
table grows.


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2007-01-31 06:04:41 +00:00
Chris Lattner
3cab071f6f reformat comment
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2007-01-30 23:16:22 +00:00
Chris Lattner
0b930852cf implement SmallPtrSet::erase
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2007-01-27 07:59:10 +00:00
Chris Lattner
24757decb8 add a note
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33578 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-27 07:18:32 +00:00
Chris Lattner
c95dc987e9 Add a new SmallSet ADT specialized for pointers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33577 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-27 07:10:46 +00:00
Anton Korobeynikov
fd58e6e2ec Moved disassembler to libSystem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33461 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-23 10:26:08 +00:00
Reid Spencer
c10305743c 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.


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2007-01-19 21:13:56 +00:00
Anton Korobeynikov
8cd4c3e653 Adding disassembler interface and external hook to udis86 library.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33358 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-19 17:25:17 +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! :)


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2007-01-15 02:27:26 +00:00
Chris Lattner
b2f3e703bc Update code to eliminate calls to isInteger, calling isIntegral instead.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33220 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-15 01:58:56 +00:00
Chris Lattner
0762705087 Fix correlated exprs regressions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33214 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-15 01:02:34 +00:00
Chris Lattner
05b30d840a remove unneeded special cases
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33127 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-12 18:23:49 +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.


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2007-01-12 04:24:46 +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
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
Reid Spencer
ca7ad8942a Fix a bug in an assert that would never trigger.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33005 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-08 05:34:39 +00:00
Reid Spencer
e7ca042730 Convert uses of getPrimitiveSize that should be getPrimitiveSizeInBits.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33003 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-08 01:26:33 +00:00
Chris Lattner
41a4429f65 wow, the link was already broken :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32963 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-06 23:20:51 +00:00
Chris Lattner
38742b9603 add a note
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32962 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-06 23:19:38 +00:00
Bill Wendling
fcf17a3096 The previous implementation of LLVM Streams wasn't removing symbols. This
one should.


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2007-01-03 22:37:27 +00:00
Reid Spencer
e4d87aa2de 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32751 91177308-0d34-0410-b5e6-96231b3b80d8
2006-12-23 06:05:41 +00:00
Chris Lattner
0a3615246f eliminate constructor from Statistic class. It is now impossible to get a
static constructor for them :).   Transition complete.


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2006-12-19 23:17:40 +00:00
Chris Lattner
ecb2768758 Refactor statistic a big and introduce a horrible-but-necessary macro
(STATISTIC), which allows us to define statistics that don't introduce
static ctors into the .o files.  I'm migrating code over to use this
incrementally.


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2006-12-19 21:27:47 +00:00
Bill Wendling
5c7e326585 Added an automatic cast to "std::ostream*" etc. from OStream. We then can
rework the hacks that had us passing OStream in. We pass in std::ostream*
instead, check for null, and then dispatch to the correct print() method.


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2006-12-17 05:15:13 +00:00
Reid Spencer
d977d8651a Replace inferred getCast(V,Ty) calls with more strict variants.
Rename getZeroExtend and getSignExtend to getZExt and getSExt to match
the the casting mnemonics in the rest of LLVM.


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2006-12-12 23:36:14 +00:00
Chris Lattner
975f05852d Change the implementation of statistic to not need destructors at all.
Instead, the stat info is printed when llvm_shutdown() is called.
These also don't need static ctors, but getting rid of them is uglier:
still investigating.  This reduces the number of static dtors in llvm from
~1400 to ~750.


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2006-12-08 20:00:42 +00:00
Bill Wendling
1a097e30d3 Don't use <sstream> in Streams.h but <iosfwd> instead.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32340 91177308-0d34-0410-b5e6-96231b3b80d8
2006-12-07 23:41:45 +00:00
Bill Wendling
bcd2498f4f Removed more <iostream> includes
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2006-12-07 20:28:15 +00:00
Bill Wendling
e81561909d Changed llvm_ostream et all to OStream. llvm_cerr, llvm_cout, llvm_null, are
now cerr, cout, and NullStream resp.


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2006-12-07 01:30:32 +00:00
Reid Spencer
c6bf4bfc35 Adjust to new ConstantIntegral interface for Max/Min tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32289 91177308-0d34-0410-b5e6-96231b3b80d8
2006-12-06 20:45:15 +00:00
Chris Lattner
cf84504d7a merge the Statistic and StatisticBase classes, eliminating virtual methods
and eliminating #includes from the Statistic.h file.


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2006-12-06 18:20:44 +00:00
Chris Lattner
ac0b6ae358 Detemplatize the Statistic class. The only type it is instantiated with
is 'unsigned'.


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2006-12-06 17:46:33 +00:00
Reid Spencer
575d95ce37 Change inferred casts to explicit casts.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32165 91177308-0d34-0410-b5e6-96231b3b80d8
2006-12-04 02:46:44 +00:00
Bill Wendling
8d89281989 WTF? These weird newlines got in there...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31998 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-29 01:14:00 +00:00
Bill Wendling
6f81b51021 Removed some of the iostream #includes. Moved towards converting to using
llvm streams


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2006-11-28 22:46:12 +00:00
Chris Lattner
d5b58c239e Add a helper function
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31981 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-28 22:32:35 +00:00
Bill Wendling
fe6b146dcd Removed #include <iostream> and replace with llvm_* streams.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31927 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-26 10:52:51 +00:00
Reid Spencer
9df1246a15 Make the absolute/relative tolerance information easier to read/understand.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31908 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-25 08:38:44 +00:00
Bill Wendling
ab41c3e6b7 Moved definition of llvm_ostream wrappers to the Streams.cpp file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31819 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-17 09:54:47 +00:00
Bill Wendling
e562ed1c92 Added wrappers for the std::cerr/std::cout objects. The wrappers will
soon replace all uses of those objects.


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2006-11-17 09:51:22 +00:00
Bill Wendling
1ea783f13a Added "DOUT" macro. This is used as a replacement for the std::cerr
stream. It centralizes the use of std::cerr so that static c'tor/d'tors
aren't scattered around all over the place. The way to use it is like this:

       DOUT << "This is a status line: " << Var << "\n";

If "-debug" is specified, it will print. Otherwise, it'll not print. If
NDEBUG is defined, the DOUT does nothing.


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2006-11-17 00:49:12 +00:00
Jim Laskey
d6c3422e31 Remove redundant <cmath>.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31561 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-08 19:16:44 +00:00
John Criswell
72a780f577 Include llvm/Support/DataTypes.h to define intptr_t.
This fixes the build on OpenBSD and potentially other systems.


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2006-11-08 15:04:35 +00:00
Rafael Espindola
39c6d3aac1 assert.h -> cassert
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31399 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-03 01:38:14 +00:00
Rafael Espindola
2b8ba512be #include <assert.h>
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2006-11-02 23:48:53 +00:00
Jim Laskey
1f67a99260 Allow FoldingSet clients to pump up the initial hash size.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31377 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-02 14:21:26 +00:00
Chris Lattner
23d7b36117 add a highly efficient hash table that is specialized for mapping C strings
to some other type.


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2006-10-29 23:42:03 +00:00
Chris Lattner
9f617d64c5 Add a new llvm::Allocator abstraction, which will be used by a container
I'm about to add.  This is similar to, but necessarily different than, the
STL allocator class.


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2006-10-29 22:08:03 +00:00
Jim Laskey
a97c67c866 Try again.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31278 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-29 09:19:59 +00:00
Jim Laskey
d8cb446aa2 Not handling zero length strings.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31277 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-29 08:27:07 +00:00
Jim Laskey
2ac33c447d SmallVector append not insert.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31224 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27 19:38:32 +00:00
Jim Laskey
47ce6b4752 Grrr.
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2006-10-27 19:20:12 +00:00
Jim Laskey
788a0c6a18 Temp patch for missing functionality.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31222 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27 19:14:16 +00:00
Bill Wendling
160db5d20a MathExtras isn't in the llvm/ADT directory but in the llvm/Support directory.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31219 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27 18:47:29 +00:00
Jim Laskey
18529f3515 Apply editorials.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31218 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27 18:05:12 +00:00
Jim Laskey
0e5af195f6 Breakout folding hash set from SelectionDAGCSEMap.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31215 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27 16:16:16 +00:00
Reid Spencer
b83eb6447b 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31063 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-20 07:07:24 +00:00
Reid Spencer
bfb8eaff73 Beef up the output from DiffFilesWithTolerance by setting the error code
to describe the difference being reported. This assists with understanding
differences an llvm-test and should help with bugpoint too.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31044 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-18 20:23:52 +00:00
Chris Lattner
efa3da5593 avoid a ctor/dtor issue with the ProgramName global.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30925 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-13 00:06:24 +00:00
Chris Lattner
500d8bff20 shrink anon-ns and mark stuff static. No functionality changes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30922 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-12 22:09:17 +00:00
Chris Lattner
c055a9191f Fix a static dtor issue
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30726 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-04 22:13:11 +00:00
Chris Lattner
90aa839c88 Fix more static dtor issues
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30725 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-04 21:52:35 +00:00