Extract member function pointer comparison and null comparison into

the ABI code.  Implement correct semantics for these on ARM.

I believe this completes the implementation of member function pointers
on ARM.

I think I'm going to switch member function pointers over to be
non-aggregates while I have all this in mind.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111774 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 18 insertions, 0 deletions

diff --git a/lib/CodeGen/CGCXX.cpp b/lib/CodeGen/CGCXX.cpp
index 2934657531..2d7b27b18b 100644
--- a/lib/CodeGen/CGCXX.cpp
+++ b/lib/CodeGen/CGCXX.cpp
@@ -369,6 +369,24 @@ void CGCXXABI::EmitMemberFunctionPointer(CodeGenFunction &CGF,
   ErrorUnsupportedABI(CGF, "member function pointers");
 }
 
+llvm::Value *
+CGCXXABI::EmitMemberFunctionPointerComparison(CodeGenFunction &CGF,
+                                              llvm::Value *L,
+                                              llvm::Value *R,
+                                              const MemberPointerType *MPT,
+                                              bool Inequality) {
+  ErrorUnsupportedABI(CGF, "member function pointer comparison");
+  return CGF.Builder.getFalse();
+}
+
+llvm::Value *
+CGCXXABI::EmitMemberFunctionPointerIsNotNull(CodeGenFunction &CGF,
+                                             llvm::Value *MemPtr,
+                                             const MemberPointerType *MPT) {
+  ErrorUnsupportedABI(CGF, "member function pointer null testing");
+  return CGF.Builder.getFalse();
+}
+
 llvm::Constant *
 CGCXXABI::EmitMemberFunctionPointerConversion(llvm::Constant *C,
                                               const CastExpr *E) {