[NFC] Add a new Intrinsics.cpp file for intrinsic code (#110078)

Add new file Intrinsics.cpp and move all functions in the `Intrinsic`
namespace to it.

1 files changed, 0 insertions, 42 deletions

diff --git a/llvm/lib/IR/IntrinsicInst.cpp b/llvm/lib/IR/IntrinsicInst.cpp
index 5654a3a..0a6c93f 100644
--- a/llvm/lib/IR/IntrinsicInst.cpp
+++ b/llvm/lib/IR/IntrinsicInst.cpp
@@ -236,48 +236,6 @@ void DbgAssignIntrinsic::setValue(Value *V) {
              MetadataAsValue::get(getContext(), ValueAsMetadata::get(V)));
 }
 
-int llvm::Intrinsic::lookupLLVMIntrinsicByName(ArrayRef<const char *> NameTable,
-                                               StringRef Name,
-                                               StringRef Target) {
-  assert(Name.starts_with("llvm.") && "Unexpected intrinsic prefix");
-  assert(Name.drop_front(5).starts_with(Target) && "Unexpected target");
-
-  // Do successive binary searches of the dotted name components. For
-  // "llvm.gc.experimental.statepoint.p1i8.p1i32", we will find the range of
-  // intrinsics starting with "llvm.gc", then "llvm.gc.experimental", then
-  // "llvm.gc.experimental.statepoint", and then we will stop as the range is
-  // size 1. During the search, we can skip the prefix that we already know is
-  // identical. By using strncmp we consider names with differing suffixes to
-  // be part of the equal range.
-  size_t CmpEnd = 4; // Skip the "llvm" component.
-  if (!Target.empty())
-    CmpEnd += 1 + Target.size(); // skip the .target component.
-
-  const char *const *Low = NameTable.begin();
-  const char *const *High = NameTable.end();
-  const char *const *LastLow = Low;
-  while (CmpEnd < Name.size() && High - Low > 0) {
-    size_t CmpStart = CmpEnd;
-    CmpEnd = Name.find('.', CmpStart + 1);
-    CmpEnd = CmpEnd == StringRef::npos ? Name.size() : CmpEnd;
-    auto Cmp = [CmpStart, CmpEnd](const char *LHS, const char *RHS) {
-      return strncmp(LHS + CmpStart, RHS + CmpStart, CmpEnd - CmpStart) < 0;
-    };
-    LastLow = Low;
-    std::tie(Low, High) = std::equal_range(Low, High, Name.data(), Cmp);
-  }
-  if (High - Low > 0)
-    LastLow = Low;
-
-  if (LastLow == NameTable.end())
-    return -1;
-  StringRef NameFound = *LastLow;
-  if (Name == NameFound ||
-      (Name.starts_with(NameFound) && Name[NameFound.size()] == '.'))
-    return LastLow - NameTable.begin();
-  return -1;
-}
-
 ConstantInt *InstrProfCntrInstBase::getNumCounters() const {
   if (InstrProfValueProfileInst::classof(this))
     llvm_unreachable("InstrProfValueProfileInst does not have counters!");