From c5f143b6e7d287d0dc3e5c55b3c83a2670ca99f8 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Fri, 2 Jul 2004 23:20:17 +0000 Subject: Fix Type::isSized() to realize that "{ opaque }" is not sized git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14585 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/VMCore/Type.cpp | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'lib/VMCore/Type.cpp') diff --git a/lib/VMCore/Type.cpp b/lib/VMCore/Type.cpp index 7798489..eefcee9 100644 --- a/lib/VMCore/Type.cpp +++ b/lib/VMCore/Type.cpp @@ -159,6 +159,21 @@ unsigned Type::getPrimitiveSize() const { } } +/// isSizedDerivedType - Derived types like structures and arrays are sized +/// iff all of the members of the type are sized as well. Since asking for +/// their size is relatively uncommon, move this operation out of line. +bool Type::isSizedDerivedType() const { + if (const ArrayType *ATy = dyn_cast(this)) + return ATy->getElementType()->isSized(); + + if (!isa(this)) return false; + + // Okay, our struct is sized if all of the elements are... + for (subtype_iterator I = subtype_begin(), E = subtype_end(); I != E; ++I) + if (!(*I)->isSized()) return false; + + return true; +} /// getForwardedTypeInternal - This method is used to implement the union-find /// algorithm for when a type is being forwarded to another type. -- cgit v1.1