From a3124a3d1eb4349d22b4abaac3a08b4d112d87a5 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Sun, 2 Apr 2006 05:40:28 +0000
Subject: [PATCH] vector casts never reinterpret bits

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27354 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/VMCore/Type.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/VMCore/Type.cpp b/lib/VMCore/Type.cpp
index 59467c2122a..767df24f279 100644
--- a/lib/VMCore/Type.cpp
+++ b/lib/VMCore/Type.cpp
@@ -75,6 +75,11 @@ const Type *Type::getPrimitiveType(TypeID IDNumber) {
 //
 bool Type::isLosslesslyConvertibleTo(const Type *Ty) const {
   if (this == Ty) return true;
+  
+  // Packed type conversions are always bitwise.
+  if (isa<PackedType>(this) && isa<PackedType>(Ty))
+    return true;
+  
   if ((!isPrimitiveType()    && !isa<PointerType>(this)) ||
       (!isa<PointerType>(Ty) && !Ty->isPrimitiveType())) return false;