Verify that alignment amounts are a power of 2

llvm-svn: 24198
This commit is contained in:
Chris Lattner 2005-11-05 21:54:03 +00:00
parent 7aeee3aff8
commit 6318dc5691
1 changed files with 12 additions and 0 deletions

View File

@ -2209,6 +2209,9 @@ MemoryInst : MALLOC Types {
delete $2;
}
| MALLOC Types ',' ALIGN EUINT64VAL {
if ($5 & ($5-1))
ThrowException("Alignment amount '" + utostr($5) +
"' is not a power of 2!");
$$ = new MallocInst(*$2, 0, $5);
delete $2;
}
@ -2217,6 +2220,9 @@ MemoryInst : MALLOC Types {
delete $2;
}
| MALLOC Types ',' UINT ValueRef ',' ALIGN EUINT64VAL {
if ($8 & ($8-1))
ThrowException("Alignment amount '" + utostr($8) +
"' is not a power of 2!");
$$ = new MallocInst(*$2, getVal($4, $5), $8);
delete $2;
}
@ -2225,6 +2231,9 @@ MemoryInst : MALLOC Types {
delete $2;
}
| ALLOCA Types ',' ALIGN EUINT64VAL {
if ($5 & ($5-1))
ThrowException("Alignment amount '" + utostr($5) +
"' is not a power of 2!");
$$ = new AllocaInst(*$2, 0, $5);
delete $2;
}
@ -2233,6 +2242,9 @@ MemoryInst : MALLOC Types {
delete $2;
}
| ALLOCA Types ',' UINT ValueRef ',' ALIGN EUINT64VAL {
if ($8 & ($8-1))
ThrowException("Alignment amount '" + utostr($8) +
"' is not a power of 2!");
$$ = new AllocaInst(*$2, getVal($4, $5), $8);
delete $2;
}