; Tests to make sure elimination of casts is working correctly ; RUN: llvm-as < %s | opt -instcombine | llvm-dis | notcast define i17 @test1(i17 %a) { %tmp = zext i17 %a to i37 ; [#uses=2] %tmp21 = lshr i37 %tmp, 8 ; [#uses=1] %tmp5 = shl i37 %tmp, 8 ; [#uses=1] %tmp.upgrd.32 = or i37 %tmp21, %tmp5 ; [#uses=1] %tmp.upgrd.3 = trunc i37 %tmp.upgrd.32 to i17 ; [#uses=1] ret i17 %tmp.upgrd.3 } define i167 @test2(i167 %a) { %tmp = zext i167 %a to i577 ; [#uses=2] %tmp21 = lshr i577 %tmp, 9 ; [#uses=1] %tmp5 = shl i577 %tmp, 8 ; [#uses=1] %tmp.upgrd.32 = or i577 %tmp21, %tmp5 ; [#uses=1] %tmp.upgrd.3 = trunc i577 %tmp.upgrd.32 to i167 ; [#uses=1] ret i167 %tmp.upgrd.3 }