[cfe-commits] r41423 - /cfe/trunk/CodeGen/CodeGenTypes.cpp

[Chris Lattner]

Author: lattner
Date: Sun Aug 26 00:02:07 2007
New Revision: 41423

URL: http://llvm.org/viewvc/llvm-project?rev=41423&view=rev
Log:
int X[] isn't a VLA.  This improves support for stdio.h on darwin.

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=41423&r1=41422&r2=41423&view=diff

==============================================================================
--- cfe/trunk/CodeGen/CodeGenTypes.cpp (original)
+++ cfe/trunk/CodeGen/CodeGenTypes.cpp Sun Aug 26 00:02:07 2007
@@ -90,8 +90,10 @@
            "FIXME: We only handle trivial array types so far!");
     
     llvm::APSInt Size(32);
-    if (A.getSizeExpr() &&
-        A.getSizeExpr()->isIntegerConstantExpr(Size, Context)) {
+    if (A.getSizeExpr() == 0) {
+      // int X[] -> [0 x int]
+      return llvm::ArrayType::get(ConvertType(A.getElementType()), 0);
+    } else if (A.getSizeExpr()->isIntegerConstantExpr(Size, Context)) {
       const llvm::Type *EltTy = ConvertType(A.getElementType());
       return llvm::ArrayType::get(EltTy, Size.getZExtValue());
     } else {