[cfe-commits] r41376 - in /cfe/trunk: CodeGen/CGExprScalar.cpp test/CodeGen/complex.c

[Chris Lattner]

Author: lattner
Date: Fri Aug 24 16:20:17 2007
New Revision: 41376

URL: http://llvm.org/viewvc/llvm-project?rev=41376&view=rev
Log:
implement codegen for real/imag.  TODO: imag of non-complex.

Modified:
    cfe/trunk/CodeGen/CGExprScalar.cpp
    cfe/trunk/test/CodeGen/complex.c

Modified: cfe/trunk/CodeGen/CGExprScalar.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/CodeGen/CGExprScalar.cpp?rev=41376&r1=41375&r2=41376&view=diff

==============================================================================
--- cfe/trunk/CodeGen/CGExprScalar.cpp (original)
+++ cfe/trunk/CodeGen/CGExprScalar.cpp Fri Aug 24 16:20:17 2007
@@ -147,7 +147,8 @@
   }
   Value *EmitSizeAlignOf(QualType TypeToSize, QualType RetType,
                                bool isSizeOf);
-  // FIXME: Real,Imag.
+  Value *VisitUnaryReal     (const UnaryOperator *E);
+  Value *VisitUnaryImag     (const UnaryOperator *E);
   Value *VisitUnaryExtension(const UnaryOperator *E) {
     return Visit(E->getSubExpr());
   }
@@ -363,7 +364,7 @@
 /// EmitSizeAlignOf - Return the size or alignment of the 'TypeToSize' type as
 /// an integer (RetType).
 Value *ScalarExprEmitter::EmitSizeAlignOf(QualType TypeToSize, 
-                                                QualType RetType,bool isSizeOf){
+                                          QualType RetType,bool isSizeOf){
   /// FIXME: This doesn't handle VLAs yet!
   std::pair<uint64_t, unsigned> Info =
     CGF.getContext().getTypeInfo(TypeToSize, SourceLocation());
@@ -377,6 +378,22 @@
   return llvm::ConstantInt::get(llvm::APInt(ResultWidth, Val));
 }
 
+Value *ScalarExprEmitter::VisitUnaryReal(const UnaryOperator *E) {
+  Expr *Op = E->getSubExpr();
+  if (Op->getType()->isComplexType())
+    return CGF.EmitComplexExpr(Op).first;
+  return Visit(Op);
+}
+Value *ScalarExprEmitter::VisitUnaryImag(const UnaryOperator *E) {
+  Expr *Op = E->getSubExpr();
+  if (Op->getType()->isComplexType())
+    return CGF.EmitComplexExpr(Op).second;
+
+  // FIXME: does this evaluate the subexpr??
+  return 0;  // FIXME:  Return zero of the right int/fp type.
+}
+
+
 //===----------------------------------------------------------------------===//
 //                           Binary Operators
 //===----------------------------------------------------------------------===//

Modified: cfe/trunk/test/CodeGen/complex.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/complex.c?rev=41376&r1=41375&r2=41376&view=diff

==============================================================================
--- cfe/trunk/test/CodeGen/complex.c (original)
+++ cfe/trunk/test/CodeGen/complex.c Fri Aug 24 16:20:17 2007
@@ -26,4 +26,6 @@
   g1 = g1 - g2;
   g1 = g1 * g2;
   g1 = +-~g1;
+
+  double Gr = __real g1;
 }