1 files changed, 0 insertions, 103 deletions
diff --git a/gnu/llvm/lib/Analysis/AliasAnalysisSummary.cpp b/gnu/llvm/lib/Analysis/AliasAnalysisSummary.cpp
deleted file mode 100644
index 2b4879453be..00000000000
--- a/gnu/llvm/lib/Analysis/AliasAnalysisSummary.cpp
+++ /dev/null
@@ -1,103 +0,0 @@
-#include "AliasAnalysisSummary.h"
-#include "llvm/IR/Argument.h"
-#include "llvm/IR/Type.h"
-#include "llvm/Support/Compiler.h"
-
-namespace llvm {
-namespace cflaa {
-
-namespace {
-const unsigned AttrEscapedIndex = 0;
-const unsigned AttrUnknownIndex = 1;
-const unsigned AttrGlobalIndex = 2;
-const unsigned AttrCallerIndex = 3;
-const unsigned AttrFirstArgIndex = 4;
-const unsigned AttrLastArgIndex = NumAliasAttrs;
-const unsigned AttrMaxNumArgs = AttrLastArgIndex - AttrFirstArgIndex;
-
-// It would be *slightly* prettier if we changed these to AliasAttrs, but it
-// seems that both GCC and MSVC emit dynamic initializers for const bitsets.
-using AliasAttr = unsigned;
-const AliasAttr AttrNone = 0;
-const AliasAttr AttrEscaped = 1 << AttrEscapedIndex;
-const AliasAttr AttrUnknown = 1 << AttrUnknownIndex;
-const AliasAttr AttrGlobal = 1 << AttrGlobalIndex;
-const AliasAttr AttrCaller = 1 << AttrCallerIndex;
-const AliasAttr ExternalAttrMask = AttrEscaped | AttrUnknown | AttrGlobal;
-}
-
-AliasAttrs getAttrNone() { return AttrNone; }
-
-AliasAttrs getAttrUnknown() { return AttrUnknown; }
-bool hasUnknownAttr(AliasAttrs Attr) { return Attr.test(AttrUnknownIndex); }
-
-AliasAttrs getAttrCaller() { return AttrCaller; }
-bool hasCallerAttr(AliasAttrs Attr) { return Attr.test(AttrCaller); }
-bool hasUnknownOrCallerAttr(AliasAttrs Attr) {
-  return Attr.test(AttrUnknownIndex) || Attr.test(AttrCallerIndex);
-}
-
-AliasAttrs getAttrEscaped() { return AttrEscaped; }
-bool hasEscapedAttr(AliasAttrs Attr) { return Attr.test(AttrEscapedIndex); }
-
-static AliasAttr argNumberToAttr(unsigned ArgNum) {
-  if (ArgNum >= AttrMaxNumArgs)
-    return AttrUnknown;
-  // N.B. MSVC complains if we use `1U` here, since AliasAttr' ctor takes
-  // an unsigned long long.
-  return AliasAttr(1ULL << (ArgNum + AttrFirstArgIndex));
-}
-
-AliasAttrs getGlobalOrArgAttrFromValue(const Value &Val) {
-  if (isa<GlobalValue>(Val))
-    return AttrGlobal;
-
-  if (auto *Arg = dyn_cast<Argument>(&Val))
-    // Only pointer arguments should have the argument attribute,
-    // because things can't escape through scalars without us seeing a
-    // cast, and thus, interaction with them doesn't matter.
-    if (!Arg->hasNoAliasAttr() && Arg->getType()->isPointerTy())
-      return argNumberToAttr(Arg->getArgNo());
-  return AttrNone;
-}
-
-bool isGlobalOrArgAttr(AliasAttrs Attr) {
-  return Attr.reset(AttrEscapedIndex)
-      .reset(AttrUnknownIndex)
-      .reset(AttrCallerIndex)
-      .any();
-}
-
-AliasAttrs getExternallyVisibleAttrs(AliasAttrs Attr) {
-  return Attr & AliasAttrs(ExternalAttrMask);
-}
-
-Optional<InstantiatedValue> instantiateInterfaceValue(InterfaceValue IValue,
-                                                      CallSite CS) {
-  auto Index = IValue.Index;
-  auto Value = (Index == 0) ? CS.getInstruction() : CS.getArgument(Index - 1);
-  if (Value->getType()->isPointerTy())
-    return InstantiatedValue{Value, IValue.DerefLevel};
-  return None;
-}
-
-Optional<InstantiatedRelation>
-instantiateExternalRelation(ExternalRelation ERelation, CallSite CS) {
-  auto From = instantiateInterfaceValue(ERelation.From, CS);
-  if (!From)
-    return None;
-  auto To = instantiateInterfaceValue(ERelation.To, CS);
-  if (!To)
-    return None;
-  return InstantiatedRelation{*From, *To, ERelation.Offset};
-}
-
-Optional<InstantiatedAttr> instantiateExternalAttribute(ExternalAttribute EAttr,
-                                                        CallSite CS) {
-  auto Value = instantiateInterfaceValue(EAttr.IValue, CS);
-  if (!Value)
-    return None;
-  return InstantiatedAttr{*Value, EAttr.Attr};
-}
-}
-}