llvm-6502/test/Transforms/LICM/call_sink_const_function.ll

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; RUN: llvm-as < %s | opt -basicaa -licm | llvm-dis | grep -C1 sin | grep Out:
declare double %sin(double)
declare void %foo()
double %test(double %X) {
br label %Loop
Loop:
call void %foo() ;; Unknown effects!
%A = call double %sin(double %X) ;; Can still hoist/sink call
br bool true, label %Loop, label %Out
Out:
ret double %A
}