Imported Upstream version 5.18.0.205

Former-commit-id: 7f59f7e792705db773f1caecdaa823092f4e2927
This commit is contained in:
Xamarin Public Jenkins (auto-signing)
2018-11-16 08:20:38 +00:00
parent 5cd5df71cc
commit 8e12397d70
28486 changed files with 3867013 additions and 66 deletions

View File

@@ -0,0 +1,13 @@
; RUN: opt < %s -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
}