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211 Commits

Author SHA1 Message Date
Zhou Sheng cfa2ac0592 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.

llvm-svn: 34304
 2007-02-15 06:36:31 +00:00
Reid Spencer 0c5db23119 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.

llvm-svn: 34262
 2007-02-14 02:52:25 +00:00
Reid Spencer 5153525402 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.

llvm-svn: 34253
 2007-02-13 22:41:58 +00:00
Zhou Sheng d707d63317 1. Make APInt::shl work correctly and more efficiently. 
2. Add functions to support the numberical conversion between APInt and
   double/float.

llvm-svn: 34201
 2007-02-12 20:02:55 +00:00
Zhou Sheng e93db8fba2 Eliminates friend function declaration inside APInt, instead, adds public 
methods as those global function's internal implementation.

llvm-svn: 34083
 2007-02-09 07:48:24 +00:00
Zhou Sheng 11eea86410 Switched this file on accidently. 
llvm-svn: 34054
 2007-02-08 16:45:48 +00:00
Zhou Sheng fbf61eaba7 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.

llvm-svn: 34053
 2007-02-08 14:35:19 +00:00
Zhou Sheng 3e8022d61d As Chris suggested, fixed some problems. (This is the first part) 
llvm-svn: 33989
 2007-02-07 06:14:53 +00:00
Zhou Sheng 94b623aad4 As Reid suggested, fixed some problems. 
llvm-svn: 33955
 2007-02-06 06:04:53 +00:00
Chris Lattner 28cbd1d624 Disable this for now. 
llvm-svn: 33953
 2007-02-06 05:38:37 +00:00
Zhou Sheng dac63788ab 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.

llvm-svn: 33951
 2007-02-06 03:00:16 +00:00