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| author | Chris Lattner <sabre@nondot.org> | 2007-10-30 22:53:42 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2007-10-30 22:53:42 +0000 |
| commit | 7da36f642e907ff5a5ba4b18b5bfebfabf36ecc7 (patch) | |
| tree | 1588aeb85410ca7e8ff9b487281a8bedf5e5edac /CodeGen/CGExpr.cpp | |
| parent | 8f54c1faaa94c789883d426109796fd62b81a044 (diff) | |
__real__ and __imag__ can be lvalues. Add support to ast and codegen for them.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@43525 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'CodeGen/CGExpr.cpp')
| -rw-r--r-- | CodeGen/CGExpr.cpp | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/CodeGen/CGExpr.cpp b/CodeGen/CGExpr.cpp index a0ef03bdc8..b996ecacda 100644 --- a/CodeGen/CGExpr.cpp +++ b/CodeGen/CGExpr.cpp @@ -283,9 +283,21 @@ LValue CodeGenFunction::EmitUnaryOpLValue(const UnaryOperator *E) { if (E->getOpcode() == UnaryOperator::Extension) return EmitLValue(E->getSubExpr()); - assert(E->getOpcode() == UnaryOperator::Deref && - "'*' is the only unary operator that produces an lvalue"); - return LValue::MakeAddr(EmitScalarExpr(E->getSubExpr())); + switch (E->getOpcode()) { + default: assert(0 && "Unknown unary operator lvalue!"); + case UnaryOperator::Deref: + return LValue::MakeAddr(EmitScalarExpr(E->getSubExpr())); + case UnaryOperator::Real: + case UnaryOperator::Imag: + LValue LV = EmitLValue(E->getSubExpr()); + + llvm::Constant *Zero = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0); + llvm::Constant *Idx = llvm::ConstantInt::get(llvm::Type::Int32Ty, + E->getOpcode() == UnaryOperator::Imag); + llvm::Value *Ops[] = {Zero, Idx}; + return LValue::MakeAddr(Builder.CreateGEP(LV.getAddress(), Ops, Ops+2, + "idx")); + } } LValue CodeGenFunction::EmitStringLiteralLValue(const StringLiteral *E) { |