Imported Upstream version 5.18.0.247

Former-commit-id: 2d6af2e4ed0eda5cbdc2946446ef7718456ad190
This commit is contained in:
Xamarin Public Jenkins (auto-signing)
2019-01-25 08:19:26 +00:00
parent 279aa8f685
commit ce8e504569
28478 changed files with 39 additions and 3866962 deletions

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@@ -1,30 +0,0 @@
; RUN: opt -instcombine -S < %s | FileCheck %s
declare void @bar()
declare void @baz()
; Check that dereferenceable metadata is combined
; CHECK-LABEL: cont:
; CHECK: load i32*, i32**
; CHECK-SAME: !dereferenceable ![[DEREF:[0-9]+]]
define i32* @test_phi_combine_load_metadata(i1 %c, i32** dereferenceable(8) %p1, i32** dereferenceable(8) %p2) {
br i1 %c, label %t, label %f
t:
call void @bar()
%v1 = load i32*, i32** %p1, align 8, !dereferenceable !0
br label %cont
f:
call void @baz()
%v2 = load i32*, i32** %p2, align 8, !dereferenceable !1
br label %cont
cont:
%res = phi i32* [ %v1, %t ], [ %v2, %f ]
ret i32* %res
}
; CHECK: ![[DEREF]] = !{i64 8}
!0 = !{i64 8}
!1 = !{i64 16}