[llvm-dev] [poison] is select-of-select to logic+select allowed?
Sanjay Patel via llvm-dev
llvm-dev at lists.llvm.org
Mon May 22 13:32:00 PDT 2017
Some InstCombine transforms for select-of-select were added here:
But Alive says this is more poisonous:
%s1 = select i1 %cond1, i8 C1, i8 C2
%s2 = select i1 %cond2, i8 %s1, i8 C2
%andcond = and i1 %cond1, %cond2
%s2 = select i1 %andcond, i8 C1, i8 C2
Are those transforms legal?
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