1 ; RUN: opt < %s -instcombine -S | FileCheck %s 2 3 ; This cannot be turned into a sign extending cast! 4 5 define i64 @test(i64 %X) { 6 %Y = shl i64 %X, 16 ; <i64> [#uses=1] 7 ; CHECK: %Y = shl i64 %X, 16 8 %Z = ashr i64 %Y, 16 ; <i64> [#uses=1] 9 ; CHECK: %Z = ashr exact i64 %Y, 16 10 ret i64 %Z 11 ; CHECK: ret i64 %Z 12 } 13 14
