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Imported Upstream version 6.0.0.172

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Former-commit-id: f3cc9b82f3e5bd8f0fd3ebc098f789556b44e9cd
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Xamarin Public Jenkins (auto-signing)
2019-04-12 14:10:50 +00:00
parent 8016999e4d
commit 64ac736ec5
32155 changed files with 3981439 additions and 75368 deletions
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30
external/llvm/test/Transforms/InstCombine/phi-load-metadata-3.ll vendored Normal file
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@ -0,0 +1,30 @@
; RUN: opt -instcombine -S < %s | FileCheck %s
declare void @bar()
declare void @baz()
; Check that dereferenceable_or_null metadata is combined
; CHECK-LABEL: cont:
; CHECK: load i32*, i32**
; CHECK-SAME: !dereferenceable_or_null ![[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_or_null !0
br label %cont
f:
call void @baz()
%v2 = load i32*, i32** %p2, align 8, !dereferenceable_or_null !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}