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diff --git a/test/Transforms/InstCombine/add-sitofp.ll b/test/Transforms/InstCombine/add-sitofp.ll
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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 = add double %o, 1.0
+ ret double %p
+}