1 ; RUN: llc < %s 2 3 define i64 @test(i64 %A) { 4 %B = trunc i64 %A to i8 ; <i8> [#uses=1] 5 %C = sext i8 %B to i64 ; <i64> [#uses=1] 6 ret i64 %C 7 } 8