From cfca06d7963fa0909f90483b42a6d7d194d01e08 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Sun, 26 Jul 2020 19:36:28 +0000
Subject: Vendor import of llvm-project master 2e10b7a39b9, the last commit
 before the llvmorg-12-init tag, from which release/11.x was branched.

---
 clang/lib/CodeGen/CodeGenTBAA.cpp | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

(limited to 'clang/lib/CodeGen/CodeGenTBAA.cpp')

diff --git a/clang/lib/CodeGen/CodeGenTBAA.cpp b/clang/lib/CodeGen/CodeGenTBAA.cpp
index 7d730cb1ed15..f4ebe6885675 100644
--- a/clang/lib/CodeGen/CodeGenTBAA.cpp
+++ b/clang/lib/CodeGen/CodeGenTBAA.cpp
@@ -141,6 +141,34 @@ llvm::MDNode *CodeGenTBAA::getTypeInfoHelper(const Type *Ty) {
     case BuiltinType::UInt128:
       return getTypeInfo(Context.Int128Ty);
 
+    case BuiltinType::UShortFract:
+      return getTypeInfo(Context.ShortFractTy);
+    case BuiltinType::UFract:
+      return getTypeInfo(Context.FractTy);
+    case BuiltinType::ULongFract:
+      return getTypeInfo(Context.LongFractTy);
+
+    case BuiltinType::SatUShortFract:
+      return getTypeInfo(Context.SatShortFractTy);
+    case BuiltinType::SatUFract:
+      return getTypeInfo(Context.SatFractTy);
+    case BuiltinType::SatULongFract:
+      return getTypeInfo(Context.SatLongFractTy);
+
+    case BuiltinType::UShortAccum:
+      return getTypeInfo(Context.ShortAccumTy);
+    case BuiltinType::UAccum:
+      return getTypeInfo(Context.AccumTy);
+    case BuiltinType::ULongAccum:
+      return getTypeInfo(Context.LongAccumTy);
+
+    case BuiltinType::SatUShortAccum:
+      return getTypeInfo(Context.SatShortAccumTy);
+    case BuiltinType::SatUAccum:
+      return getTypeInfo(Context.SatAccumTy);
+    case BuiltinType::SatULongAccum:
+      return getTypeInfo(Context.SatLongAccumTy);
+
     // Treat all other builtin types as distinct types. This includes
     // treating wchar_t, char16_t, and char32_t as distinct from their
     // "underlying types".
@@ -181,6 +209,15 @@ llvm::MDNode *CodeGenTBAA::getTypeInfoHelper(const Type *Ty) {
     return createScalarTypeNode(OutName, getChar(), Size);
   }
 
+  if (const auto *EIT = dyn_cast<ExtIntType>(Ty)) {
+    SmallString<256> OutName;
+    llvm::raw_svector_ostream Out(OutName);
+    // Don't specify signed/unsigned since integer types can alias despite sign
+    // differences.
+    Out << "_ExtInt(" << EIT->getNumBits() << ')';
+    return createScalarTypeNode(OutName, getChar(), Size);
+  }
+
   // For now, handle any other kind of type conservatively.
   return getChar();
 }
-- 
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