1 ; There should be exactly one shift and one add left. 2 ; RUN: opt < %s -reassociate -instcombine -S > %t 3 ; RUN: grep shl %t | count 1 4 ; RUN: grep add %t | count 1 5 6 define i32 @test(i32 %X, i32 %Y) { 7 %tmp.2 = shl i32 %X, 1 ; <i32> [#uses=1] 8 %tmp.6 = shl i32 %Y, 1 ; <i32> [#uses=1] 9 %tmp.4 = add i32 %tmp.6, %tmp.2 ; <i32> [#uses=1] 10 ret i32 %tmp.4 11 } 12 13
