commit e3ee66c7a133e4f2df8411893b530aabe3344f8c
author Anders Carlsson <andersca@mac.com> Sun Aug 09 18:26:27 2009 +0000
committer Anders Carlsson <andersca@mac.com> Sun Aug 09 18:26:27 2009 +0000
tree dc262157e60d9a731c838e41b49593980c283fc8
parent bc8e297c7d620cd63eeb31c641dc7f51a1076785

Improve handling of member pointers.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78536 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/CGExprScalar.cpp

diff --git a/lib/CodeGen/CGExprScalar.cpp b/lib/CodeGen/CGExprScalar.cpp
index 44f4c27..e761e9f 100644
--- a/lib/CodeGen/CGExprScalar.cpp
+++ b/lib/CodeGen/CGExprScalar.cpp
@@ -391,6 +391,14 @@
     return Builder.CreateFCmpUNE(Src, Zero, "tobool");
   }
   
+  if (SrcType->isMemberPointerType()) {
+    // FIXME: This is ABI specific.
+    
+    // Compare against -1.
+    llvm::Value *NegativeOne = llvm::Constant::getAllOnesValue(Src->getType());
+    return Builder.CreateICmpNE(Src, NegativeOne, "tobool");
+  }
+  
   assert((SrcType->isIntegerType() || isa<llvm::PointerType>(Src->getType())) &&
          "Unknown scalar type to convert");