blob: 5961a089a7a165dd09ed56971180e5143b399594 [file] [log] [blame]
; 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
}