[cfe-commits] r43859 - /cfe/trunk/CodeGen/CodeGenTypes.cpp

[Devang Patel]

Author: dpatel
Date: Wed Nov  7 18:32:12 2007
New Revision: 43859

URL: http://llvm.org/viewvc/llvm-project?rev=43859&view=rev
Log:
Add assert for the case that is not handled.
struct { char a; short b:2; };

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=43859&r1=43858&r2=43859&view=diff

==============================================================================
--- cfe/trunk/CodeGen/CodeGenTypes.cpp (original)
+++ cfe/trunk/CodeGen/CodeGenTypes.cpp Wed Nov  7 18:32:12 2007
@@ -399,7 +399,12 @@
       assert (isBitField  && "Invalid BitField size expression");
       uint64_t BitFieldSize =  FieldSize.getZExtValue();
       if (ExtraBits == 0) {
+        const llvm::Type *PrevTy = LLVMFields.back();
         const llvm::Type *Ty = CGT.ConvertType(FD->getType());
+        assert (CGT.getTargetData().getTypeSizeInBits(PrevTy) >=
+                CGT.getTargetData().getTypeSizeInBits(Ty) 
+                && "FIXME Unable to handle bit field. Reuse last field");
+                
         // Calculate extra bits available in this bitfield.
         ExtraBits = CGT.getTargetData().getTypeSizeInBits(Ty) - BitFieldSize;
         addLLVMField(Ty, BitFieldSize, FD, 0, ExtraBits);