Uses the freeze instruction available in LLVM 10.0+. If we don't freeze undef/
poison values before using them in a calculation (even if that calculation is
something like "and 0", which masks the result completely), the result will
still be undef/poison and will keep propagating.
convert one def to another, including information regarding whether
it should be done via an intermediate integer typecast
* use this routine in hlcgllvm
git-svn-id: branches/hlcgllvm@28116 -
o opcodes + string representation
o llvm string representations of targets supported by fpc
o supported fpc optimisations
o list of supported LLVM versions (currently only targeting 3.3)
git-svn-id: branches/hlcgllvm@26035 -
