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When I compile my C fibonacci example fib.c with 'clang -O3 -c -emit-llvm -o fib-clang.bc fib.c&& llvm-dis fib-clang.bc' I get fib-clang.ll that has some degree of inlining in it. But when I get an equivalent to fib.c file fib.ll and run it through opt with the command 'llvm-as fib.ll&& opt -O3 fib.bc -o fib-opt.bc&& llvm-dis fib-opt.bc' resulting