[cfe-commits] r46889 - in /cfe/trunk: CodeGen/CodeGenTypes.cpp test/CodeGen/2008-02-08-bitfield-bug.c

[Lauro Ramos Venancio]

Author: laurov
Date: Fri Feb  8 13:46:46 2008
New Revision: 46889

URL: http://llvm.org/viewvc/llvm-project?rev=46889&view=rev
Log:
Fix a bitfield regression. Reported by Anders Carlsson.


Added:
    cfe/trunk/test/CodeGen/2008-02-08-bitfield-bug.c
Modified:
    cfe/trunk/CodeGen/CodeGenTypes.cpp

Modified: cfe/trunk/CodeGen/CodeGenTypes.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/CodeGen/CodeGenTypes.cpp?rev=46889&r1=46888&r2=46889&view=diff

==============================================================================
--- cfe/trunk/CodeGen/CodeGenTypes.cpp (original)
+++ cfe/trunk/CodeGen/CodeGenTypes.cpp Fri Feb  8 13:46:46 2008
@@ -573,5 +573,6 @@
     CGT.addBitFieldInfo(FD, 0, BitFieldSize);
     Cursor = (Idx + 1) * TySize + BitFieldSize;
   }
-  addPaddingFields(Cursor);
+  if (Cursor > llvmSize)
+    addPaddingFields(Cursor);
 }

Added: cfe/trunk/test/CodeGen/2008-02-08-bitfield-bug.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/2008-02-08-bitfield-bug.c?rev=46889&view=auto

==============================================================================
--- cfe/trunk/test/CodeGen/2008-02-08-bitfield-bug.c (added)
+++ cfe/trunk/test/CodeGen/2008-02-08-bitfield-bug.c Fri Feb  8 13:46:46 2008
@@ -0,0 +1,9 @@
+// RUN: clang %s -emit-llvm
+
+struct test {
+  unsigned a:1;
+  unsigned b:1;
+};
+
+struct test *t;
+