1 files changed, 51 insertions, 0 deletions
diff --git a/llvm/lib/Support/ModRef.cpp b/llvm/lib/Support/ModRef.cpp
new file mode 100644
index 000000000000..c5978296e97f
--- /dev/null
+++ b/llvm/lib/Support/ModRef.cpp
@@ -0,0 +1,51 @@
+//===--- ModRef.cpp - Memory effect modeling --------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+//  This file implements ModRef and MemoryEffects misc functions.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Support/ModRef.h"
+
+using namespace llvm;
+
+raw_ostream &llvm::operator<<(raw_ostream &OS, ModRefInfo MR) {
+  switch (MR) {
+  case ModRefInfo::NoModRef:
+    OS << "NoModRef";
+    break;
+  case ModRefInfo::Ref:
+    OS << "Ref";
+    break;
+  case ModRefInfo::Mod:
+    OS << "Mod";
+    break;
+  case ModRefInfo::ModRef:
+    OS << "ModRef";
+    break;
+  }
+  return OS;
+}
+
+raw_ostream &llvm::operator<<(raw_ostream &OS, MemoryEffects ME) {
+  for (IRMemLocation Loc : MemoryEffects::locations()) {
+    switch (Loc) {
+    case IRMemLocation::ArgMem:
+      OS << "ArgMem: ";
+      break;
+    case IRMemLocation::InaccessibleMem:
+      OS << "InaccessibleMem: ";
+      break;
+    case IRMemLocation::Other:
+      OS << "Other: ";
+      break;
+    }
+    OS << ME.getModRef(Loc) << ", ";
+  }
+  return OS;
+}