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Imported Upstream version 5.18.0.246

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Former-commit-id: 0c7ce5b1a7851e13f22acfd379b7f9fb304e4833
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Xamarin Public Jenkins (auto-signing)
2019-01-23 08:21:40 +00:00
parent a7724cd563
commit 279aa8f685
28482 changed files with 3866972 additions and 44 deletions
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36
external/llvm/test/Analysis/CFLAliasAnalysis/Steensgaard/phi-and-select.ll vendored Normal file
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; RUN: opt < %s -cfl-steens-aa -aa-eval -print-all-alias-modref-info -disable-output 2>&1 | FileCheck %s
; Derived from (a subset of) BasicAA/phi-and-select.ll
; CHECK: Function: qux
; CHECK: NoAlias: double* %a, double* %b
; CHECK: ===== Alias Analysis Evaluator Report =====
; Two PHIs with disjoint sets of inputs.
define void @qux(i1 %m, double* noalias %x, double* noalias %y,
i1 %n, double* noalias %v, double* noalias %w) {
entry:
br i1 %m, label %true, label %false
true:
br label %exit
false:
br label %exit
exit:
%a = phi double* [ %x, %true ], [ %y, %false ]
br i1 %n, label %ntrue, label %nfalse
ntrue:
br label %nexit
nfalse:
br label %nexit
nexit:
%b = phi double* [ %v, %ntrue ], [ %w, %nfalse ]
store volatile double 0.0, double* %a
store volatile double 1.0, double* %b
ret void
}