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580 Commits

Author SHA1 Message Date
Reid Spencer
0468ab3025 We want the number of bits needed, not the power of 2. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35977 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-14 00:00:10 +00:00
Reid Spencer
57ae4f5f01 Implement a getBitsNeeded method to determine how many bits are needed to 
represent a string in binary form by an APInt.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35968 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-13 19:19:07 +00:00
Zhou Sheng
daacf22537 Make the apint construction more effective. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35960 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-13 05:57:32 +00:00
Chris Lattner
69d6f1358c improve the patch for PR1318 to also support grouped options with custom 
handlers (like the pass list).  My previous fix only supported *new* command
line options, not additions to old ones.

This fixes test/Feature/load_module.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35935 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-12 00:36:29 +00:00
Chris Lattner
159b0a4340 Fix PR1318 by reacting appropriately to a mutating option list. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35905 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-11 15:35:18 +00:00
Reid Spencer
2cd43e402a Fix an approximate calculation in an assertion not to give false negatives. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35901 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-11 13:00:04 +00:00
Reid Spencer
c74b461507 For PR1291: 
Change uses of sys::Path class to sys::PathWithStatus in those places where
the file status information is needed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35743 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-07 18:53:16 +00:00
Nick Lewycky
e32157c609 Add signExtend to ConstantRange, to complement zeroExtend and truncate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35733 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-07 15:41:33 +00:00
Chris Lattner
ee2b32082e Fix a bug in my earlier commit which exposed positional options backwards. 
This fixes llvm-ar.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35727 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-07 05:38:53 +00:00
Chris Lattner
9878d6ae3a rearchitect the registration mechanism used by the command line option stuff. 
This dramatically reduce the amount of memory allocated by the commandline stuff
at static init time, changing it to build local data structures when ParseCommandLineOptions
is called.  In a dummy empty program that links some llvm libraries, this reduces
the number of malloc'd bytes from 4864 to 3360 on entry to main.  Most of that
memory is now allocated by non-commandline related stuff.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35701 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-06 21:06:55 +00:00
Chris Lattner
af035f3460 remove the dead removeArgument method, rename Options to OptionsMap. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35690 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-05 21:58:17 +00:00
Chris Lattner
12ba806c5d stringmap memory managed with malloc now 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35666 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-04 17:24:28 +00:00
Chris Lattner
d2f197da59 use calloc instead of new/memset, it is more efficient 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35644 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-04 00:44:31 +00:00
Chris Lattner
794a014809 Extend StringMap to support being initialized as completely empty. When 
initialized this way, they do not do a malloc to allocate their buckets.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35642 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-04 00:29:37 +00:00
Chris Lattner
ef4c916193 greatly reduce hte default size of stringmap. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35632 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-03 22:15:38 +00:00
Nick Lewycky
9babd0e0f2 Implement union of wrapped sets. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35534 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-01 03:47:44 +00:00
Reid Spencer
8475ec068c For PR789: 
Make the sys::Path::getFileStatus function more efficient by having it
return a pointer to the FileStatus structure rather than copy it. Adjust
uses of the function accordingly. Also, fix some memory issues in sys::Path.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35476 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-29 19:05:44 +00:00
Reid Spencer
5ba2b702c2 For PR789: 
Updates for change in interface of getFileStatus method of sys::Path class.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35458 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-29 16:48:16 +00:00
Zhou Sheng
6dbe233959 Fix a bug in getAllOnesValue() which broke 
some test cases for bitwidth > 64.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35232 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-21 04:34:37 +00:00
Jeff Cohen
09dfd8e19d Fix (and simplify) 48-bit byte swap. 
Get pos/neg infinity the correct way.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35223 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-20 20:42:36 +00:00
Reid Spencer
adf2a206ec Fix coding standards violation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35189 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-19 21:19:02 +00:00
Reid Spencer
3a34137548 Implement extension of sign bits for negative values in the uint64_t 
constructor. This helps to fix test/Assembler/2007-03-19-NegValue.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35180 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-19 20:37:47 +00:00
Reid Spencer
4fd8606791 Revert the last patch as it violates the conditions of sext/zext. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35068 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-12 18:37:25 +00:00
Zhou Sheng
7d820f57e2 For APInt::z/sext(width), if width == BitWidth, just return *this. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35065 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-12 17:47:45 +00:00
Nick Lewycky
3400e6af6b Add getter methods for the extremes of a ConstantRange. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35056 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-10 15:54:12 +00:00
Jeff Cohen
ca5183d445 Unbreak VC++ build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34917 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-05 00:00:42 +00:00
Reid Spencer
46f9c94bdd Fix ashr for bitwidths > 64. This is now validated up to 1024 bits. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34852 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-02 22:39:11 +00:00
Reid Spencer
f09aef7698 Use a better algorithm for rounding sqrt results. Change the FIXME about 
this to a NOTE: because pari/gp results start to get rounded incorrectly
after 192 bits of precision. APInt and pari/gp never differ by more than
1, but APInt is more accurate because it does not lose precision after 192
bits as does pari/gp.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34834 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-02 04:21:55 +00:00
Nick Lewycky
c6a28fcf5d Implement unionWith. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34833 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-02 03:33:05 +00:00
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