llvm-6502/test/Transforms/InstCombine/add-sitofp.ll

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; RUN: opt < %s -instcombine -S | grep {add nsw i32}
define double @x(i32 %a, i32 %b) nounwind {
%m = lshr i32 %a, 24
%n = and i32 %m, %b
%o = sitofp i32 %n to double
%p = fadd double %o, 1.0
ret double %p
}