| ; RUN: opt < %s -passes=instcombine -S | FileCheck %s | |
| ; This cannot be turned into a sign extending cast! | |
| define i64 @test(i64 %X) { | |
| %Y = shl i64 %X, 16 ; <i64> [#uses=1] | |
| ; CHECK: %Y = shl i64 %X, 16 | |
| %Z = ashr i64 %Y, 16 ; <i64> [#uses=1] | |
| ; CHECK: %Z = ashr exact i64 %Y, 16 | |
| ret i64 %Z | |
| ; CHECK: ret i64 %Z | |
| } | |