1 ; Tests to make sure elimination of casts is working correctly
2 ; RUN: opt < %s -instcombine -S | notcast
4 define i17 @test1(i17 %a) {
5 %tmp = zext i17 %a to i37 ; <i37> [#uses=2]
6 %tmp21 = lshr i37 %tmp, 8 ; <i37> [#uses=1]
7 %tmp5 = shl i37 %tmp, 8 ; <i37> [#uses=1]
8 %tmp.upgrd.32 = or i37 %tmp21, %tmp5 ; <i37> [#uses=1]
9 %tmp.upgrd.3 = trunc i37 %tmp.upgrd.32 to i17 ; <i17> [#uses=1]
13 define i167 @test2(i167 %a) {
14 %tmp = zext i167 %a to i577 ; <i577> [#uses=2]
15 %tmp21 = lshr i577 %tmp, 9 ; <i577> [#uses=1]
16 %tmp5 = shl i577 %tmp, 8 ; <i577> [#uses=1]
17 %tmp.upgrd.32 = or i577 %tmp21, %tmp5 ; <i577> [#uses=1]
18 %tmp.upgrd.3 = trunc i577 %tmp.upgrd.32 to i167 ; <i167> [#uses=1]