maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

Clarify the use of getValue/getSExtValue/getZExtValue and add the new 

APInt constructor.

llvm-svn: 34811
This commit is contained in:
Reid Spencer 2007-03-01 21:05:33 +00:00
parent 5b0548de77
commit bbd97b1edb
1 changed files with 14 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
llvm/docs/ProgrammersManual.html
View File

@ -2621,10 +2621,20 @@ a subclass, which represents the address of a global variable or function.
<li>ConstantInt : This subclass of Constant represents an integer constant of <li>ConstantInt : This subclass of Constant represents an integer constant of
any width. any width.
<ul> <ul>
<li><tt>int64_t getSExtValue() const</tt>: Returns the underlying value of <li><tt>const APInt&amp; getValue() const</tt>: Returns the underlying
this constant as a sign extended signed integer value.</li> value of this constant, an APInt value.</li>
<li><tt>uint64_t getZExtValue() const</tt>: Returns the underlying value <li><tt>int64_t getSExtValue() const</tt>: Converts the underlying APInt
of this constant as a zero extended unsigned integer value.</li> value to an int64_t via sign extension. If the value (not the bit width)
of the APInt is too large to fit in an int64_t, an assertion will result.
For this reason, use of this method is discouraged.</li>
<li><tt>uint64_t getZExtValue() const</tt>: Converts the underlying APInt
value to a uint64_t via zero extension. IF the value (not the bit width)
of the APInt is too large to fit in a uint64_t, an assertion will result.
For this reason, use of this method is discourage.</li>
<li><tt>static ConstantInt* get(const APInt&amp; Val)</tt>: Returns the
ConstantInt object that represents the value provided by <tt>Val</tt>.
The type is implied as the IntegerType that corresponds to the bit width
of <tt>Val</tt>.</li>
<li><tt>static ConstantInt* get(const Type *Ty, uint64_t Val)</tt>: <li><tt>static ConstantInt* get(const Type *Ty, uint64_t Val)</tt>:
Returns the ConstantInt object that represents the value provided by Returns the ConstantInt object that represents the value provided by
<tt>Val</tt> for integer type <tt>Ty</tt>.</li> <tt>Val</tt> for integer type <tt>Ty</tt>.</li>