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1; This should turn into a single extsh2; RUN: llc -verify-machineinstrs < %s -mtriple=ppc32-- | grep extsh | count 13define i32 @test(i32 %X) {4 %tmp.81 = shl i32 %X, 16 ; <i32> [#uses=1]5 %tmp.82 = ashr i32 %tmp.81, 16 ; <i32> [#uses=1]6 ret i32 %tmp.827}8 9