llvm-mirror/test/globaldce.ll

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%var = internal global int 1234 ;; used by dead method
implementation
internal int "deadfunc"()
begin
%val = load int * %var
%val2 = call int %deadfunc()
%val3 = add int %val, %val2
ret int %val3
end
int "main"(int %argc) ; TODO: , sbyte **argv, sbyte **envp)
begin
ret int -1
end