From 611ba3ea3300b71eb95dc4e45f20eee5dddd32e1 Mon Sep 17 00:00:00 2001 From: dim Date: Sun, 17 Jul 2011 15:40:56 +0000 Subject: Vendor import of clang trunk r135360: http://llvm.org/svn/llvm-project/cfe/trunk@135360 --- lib/CodeGen/TargetInfo.h | 20 +++++++++++++++++--- 1 file changed, 17 insertions(+), 3 deletions(-) (limited to 'lib/CodeGen/TargetInfo.h') diff --git a/lib/CodeGen/TargetInfo.h b/lib/CodeGen/TargetInfo.h index 4f59eb6..d5e8884 100644 --- a/lib/CodeGen/TargetInfo.h +++ b/lib/CodeGen/TargetInfo.h @@ -106,11 +106,25 @@ namespace clang { return Address; } - virtual const llvm::Type* adjustInlineAsmType(CodeGen::CodeGenFunction &CGF, - llvm::StringRef Constraint, - const llvm::Type* Ty) const { + virtual llvm::Type* adjustInlineAsmType(CodeGen::CodeGenFunction &CGF, + llvm::StringRef Constraint, + llvm::Type* Ty) const { return Ty; } + + /// Retrieve the address of a function to call immediately before + /// calling objc_retainAutoreleasedReturnValue. The + /// implementation of objc_autoreleaseReturnValue sniffs the + /// instruction stream following its return address to decide + /// whether it's a call to objc_retainAutoreleasedReturnValue. + /// This can be prohibitively expensive, depending on the + /// relocation model, and so on some targets it instead sniffs for + /// a particular instruction sequence. This functions returns + /// that instruction sequence in inline assembly, which will be + /// empty if none is required. + virtual llvm::StringRef getARCRetainAutoreleasedReturnValueMarker() const { + return ""; + } }; } -- cgit v1.1