; Tests to make sure elimination of casts is working correctly ; RUN: opt < %s -instcombine -S | FileCheck %s target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128" define i17 @test1(i17 %a) { %tmp = zext i17 %a to i37 ; [#uses=2] %tmp21 = lshr i37 %tmp, 8 ; [#uses=1] ; CHECK: %tmp21 = lshr i17 %a, 8 %tmp5 = shl i37 %tmp, 8 ; [#uses=1] ; CHECK: %tmp5 = shl i17 %a, 8 %tmp.upgrd.32 = or i37 %tmp21, %tmp5 ; [#uses=1] ; CHECK: %tmp.upgrd.32 = or i17 %tmp21, %tmp5 %tmp.upgrd.3 = trunc i37 %tmp.upgrd.32 to i17 ; [#uses=1] ret i17 %tmp.upgrd.3 ; CHECK: ret i17 %tmp.upgrd.32 } define i167 @test2(i167 %a) { %tmp = zext i167 %a to i577 ; [#uses=2] %tmp21 = lshr i577 %tmp, 9 ; [#uses=1] ; CHECK: %tmp21 = lshr i167 %a, 9 %tmp5 = shl i577 %tmp, 8 ; [#uses=1] ; CHECK: %tmp5 = shl i167 %a, 8 %tmp.upgrd.32 = or i577 %tmp21, %tmp5 ; [#uses=1] ; CHECK: %tmp.upgrd.32 = or i167 %tmp21, %tmp5 %tmp.upgrd.3 = trunc i577 %tmp.upgrd.32 to i167 ; [#uses=1] ret i167 %tmp.upgrd.3 ; CHECK: ret i167 %tmp.upgrd.32 }