[cfe-commits] r63294 - /cfe/trunk/lib/CodeGen/CGCall.cpp

[Daniel Dunbar]

Author: ddunbar
Date: Thu Jan 29 02:24:57 2009
New Revision: 63294

URL: http://llvm.org/viewvc/llvm-project?rev=63294&view=rev
Log:
ABI: When emitting calls which return an ignored argument, make sure
to still return an RValue of the correct type.

Modified:
    cfe/trunk/lib/CodeGen/CGCall.cpp

Modified: cfe/trunk/lib/CodeGen/CGCall.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGCall.cpp?rev=63294&r1=63293&r2=63294&view=diff

==============================================================================
--- cfe/trunk/lib/CodeGen/CGCall.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGCall.cpp Thu Jan 29 02:24:57 2009
@@ -1256,7 +1256,14 @@
     return RValue::get(RetTy->isVoidType() ? 0 : CI);
 
   case ABIArgInfo::Ignore:
-    return RValue::get(0);
+    if (RetTy->isVoidType())
+      return RValue::get(0);
+    if (CodeGenFunction::hasAggregateLLVMType(RetTy)) {
+      llvm::Value *Res =
+        llvm::UndefValue::get(llvm::PointerType::getUnqual(ConvertType(RetTy)));
+      return RValue::getAggregate(Res);
+    }
+    return RValue::get(llvm::UndefValue::get(ConvertType(RetTy)));
 
   case ABIArgInfo::Coerce: {
     llvm::Value *V = CreateTempAlloca(ConvertType(RetTy), "coerce");