[cfe-commits] r46576 - in /cfe/trunk: CodeGen/CGExprConstant.cpp test/CodeGen/init-with-member-expr.c

[Lauro Ramos Venancio]

Author: laurov
Date: Wed Jan 30 15:23:20 2008
New Revision: 46576

URL: http://llvm.org/viewvc/llvm-project?rev=46576&view=rev
Log:
getLLVMFieldNo can't be called before emitting the base value.


Added:
    cfe/trunk/test/CodeGen/init-with-member-expr.c
Modified:
    cfe/trunk/CodeGen/CGExprConstant.cpp

Modified: cfe/trunk/CodeGen/CGExprConstant.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/CodeGen/CGExprConstant.cpp?rev=46576&r1=46575&r2=46576&view=diff

==============================================================================
--- cfe/trunk/CodeGen/CGExprConstant.cpp (original)
+++ cfe/trunk/CodeGen/CGExprConstant.cpp Wed Jan 30 15:23:20 2008
@@ -412,12 +412,13 @@
     }
     case Expr::MemberExprClass: {
       MemberExpr* ME = cast<MemberExpr>(E);
-      unsigned FieldNumber = CGM.getTypes().getLLVMFieldNo(ME->getMemberDecl());
       llvm::Constant *Base;
       if (ME->isArrow())
         Base = Visit(ME->getBase());
       else
         Base = EmitLValue(ME->getBase());
+
+      unsigned FieldNumber = CGM.getTypes().getLLVMFieldNo(ME->getMemberDecl());
       llvm::Constant *Zero = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0);
       llvm::Constant *Idx = llvm::ConstantInt::get(llvm::Type::Int32Ty,
                                                    FieldNumber);

Added: cfe/trunk/test/CodeGen/init-with-member-expr.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/init-with-member-expr.c?rev=46576&view=auto

==============================================================================
--- cfe/trunk/test/CodeGen/init-with-member-expr.c (added)
+++ cfe/trunk/test/CodeGen/init-with-member-expr.c Wed Jan 30 15:23:20 2008
@@ -0,0 +1,9 @@
+// RUN: clang %s -emit-llvm
+struct test {
+  int a;
+};
+
+extern struct test t;
+
+int *b=&t.a;
+