File: add-sitofp.ll

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llvm 2.6-9.1
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; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep {add 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
}