6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-12-14 11:32:34 +00:00
Code Issues Projects Releases Wiki Activity

simplify getSetSize() per Duncan's comments

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160368 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nuno Lopes 2012-07-17 15:43:59 +00:00
parent f30135c519
commit 5d2fada44c
1 changed files with 5 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
lib/Support/ConstantRange.cpp
View File

@ -146,14 +146,13 @@ APInt ConstantRange::getSetSize() const {
if (isEmptySet())
return APInt(getBitWidth()+1, 0);
if (isFullSet())
return APInt::getMaxValue(getBitWidth()).zext(getBitWidth()+1) + 1;
if (isWrappedSet()) {
APInt Result = Upper + (APInt::getMaxValue(getBitWidth()) - Lower + 1);
return Result.zext(getBitWidth()+1);
if (isFullSet()) {
APInt Size(getBitWidth()+1, 0);
Size.setBit(getBitWidth());
return Size;
}
// This is also correct for wrapped sets.
return (Upper - Lower).zext(getBitWidth()+1);
}