[cfe-commits] r64197 - in /cfe/trunk: lib/CodeGen/CGExprComplex.cpp test/Coverage/c-language-features.inc

[Daniel Dunbar]

Author: ddunbar
Date: Mon Feb  9 21:03:30 2009
New Revision: 64197

URL: http://llvm.org/viewvc/llvm-project?rev=64197&view=rev
Log:
Support va_arg on _Complex.

gcc compat test suite results (Darwin x86-32 & -64):
--
# of expected passes		1110
# of unexpected failures	74
# of unresolved testcases	168
# of unsupported tests		2

Modified:
    cfe/trunk/lib/CodeGen/CGExprComplex.cpp
    cfe/trunk/test/Coverage/c-language-features.inc

Modified: cfe/trunk/lib/CodeGen/CGExprComplex.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGExprComplex.cpp?rev=64197&r1=64196&r2=64197&view=diff

==============================================================================
--- cfe/trunk/lib/CodeGen/CGExprComplex.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGExprComplex.cpp Mon Feb  9 21:03:30 2009
@@ -192,6 +192,8 @@
   ComplexPairTy VisitChooseExpr(ChooseExpr *CE);
 
   ComplexPairTy VisitInitListExpr(InitListExpr *E);
+
+  ComplexPairTy VisitVAArgExpr(VAArgExpr *E);
 };
 }  // end anonymous namespace.
 
@@ -528,6 +530,22 @@
   return ComplexPairTy(zeroConstant, zeroConstant);
 }
 
+ComplexPairTy ComplexExprEmitter::VisitVAArgExpr(VAArgExpr *E) {
+  llvm::Value *ArgValue = CGF.EmitLValue(E->getSubExpr()).getAddress();
+  llvm::Value *ArgPtr = CGF.EmitVAArg(ArgValue, E->getType());
+
+  if (!ArgPtr) {
+    CGF.ErrorUnsupported(E, "complex va_arg expression");
+    const llvm::Type *EltTy = 
+      CGF.ConvertType(E->getType()->getAsComplexType()->getElementType());
+    llvm::Value *U = llvm::UndefValue::get(EltTy);
+    return ComplexPairTy(U, U);
+  }
+
+  // FIXME Volatility.
+  return EmitLoadOfComplex(ArgPtr, false);
+}
+
 //===----------------------------------------------------------------------===//
 //                         Entry Point into this File
 //===----------------------------------------------------------------------===//

Modified: cfe/trunk/test/Coverage/c-language-features.inc
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Coverage/c-language-features.inc?rev=64197&r1=64196&r2=64197&view=diff

==============================================================================
--- cfe/trunk/test/Coverage/c-language-features.inc (original)
+++ cfe/trunk/test/Coverage/c-language-features.inc Mon Feb  9 21:03:30 2009
@@ -103,6 +103,7 @@
   int t12_0 = __builtin_classify_type(t0);
   int t12_1 = __builtin_classify_type(t1);
   int t12_2 = __builtin_classify_type(t2);
+  // FIXME: Add _Complex and aggregate cases.
   int t13 = va_arg(ap, int);
   va_list t13_0;
   va_copy(t13_0, ap);