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Imported Upstream version 5.18.0.167

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Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a
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Xamarin Public Jenkins (auto-signing)
2018-10-20 08:25:10 +00:00
parent e19d552987
commit b084638f15
28489 changed files with 184 additions and 3866856 deletions
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36
external/llvm/test/Transforms/MemCpyOpt/load-store-to-memcpy.ll vendored
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@ -1,36 +0,0 @@
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -basicaa -scoped-noalias -memcpyopt -S %s | FileCheck %s
%T = type { i8, i32 }
; memcpy(%d, %a) should not be generated since store2 may-aliases load %a.
define void @f(%T* %a, %T* %b, %T* %c, %T* %d) {
; CHECK-LABEL: @f(
; CHECK-NEXT: [[VAL:%.*]] = load %T, %T* %a, !alias.scope !0
; CHECK-NEXT: store %T { i8 23, i32 23 }, %T* %b, !alias.scope !3
; CHECK-NEXT: store %T { i8 44, i32 44 }, %T* %c, !alias.scope !6, !noalias !3
; CHECK-NEXT: store %T [[VAL]], %T* %d, !alias.scope !9, !noalias !12
; CHECK-NEXT: ret void
;
%val = load %T, %T* %a, !alias.scope !{!10}
; store1 may-aliases the load
store %T { i8 23, i32 23 }, %T* %b, !alias.scope !{!11}
; store2 may-aliases the load and store3
store %T { i8 44, i32 44 }, %T* %c, !alias.scope !{!12}, !noalias !{!11}
; store3
store %T %val, %T* %d, !alias.scope !{!13}, !noalias !{!10, !11}
ret void
}
!0 = !{!0}
!1 = !{!1}
!2 = !{!2}
!3 = !{!3}
!10 = !{ !10, !0 }
!11 = !{ !11, !1 }
!12 = !{ !12, !2 }
!13 = !{ !13, !3 }