From 5a6d507d1b21c413efd81b543a46ad1a9848e476 Mon Sep 17 00:00:00 2001
From: Eli Friedman <eli.friedman@gmail.com>
Date: Thu, 16 Feb 2012 01:37:33 +0000
Subject: Start of IRGen for lambda conversion operators.

llvm-svn: 150649
---
 clang/lib/CodeGen/CodeGenFunction.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'clang/lib/CodeGen/CodeGenFunction.cpp')

diff --git a/clang/lib/CodeGen/CodeGenFunction.cpp b/clang/lib/CodeGen/CodeGenFunction.cpp
index 0c528b2..1034de7 100644
--- a/clang/lib/CodeGen/CodeGenFunction.cpp
+++ b/clang/lib/CodeGen/CodeGenFunction.cpp
@@ -447,6 +447,15 @@ void CodeGenFunction::GenerateCode(GlobalDecl GD, llvm::Function *Fn,
            !CGM.getCodeGenOpts().CUDAIsDevice &&
            FD->hasAttr<CUDAGlobalAttr>())
     CGM.getCUDARuntime().EmitDeviceStubBody(*this, Args);
+  else if (isa<CXXConversionDecl>(FD) &&
+           cast<CXXConversionDecl>(FD)->getParent()->isLambda()) {
+    // The lambda conversion operators are special; the semantics can't be
+    // expressed in the AST, so IRGen needs to special-case them.
+    if (cast<CXXConversionDecl>(FD)->isLambdaToBlockPointerConversion())
+      EmitLambdaToBlockPointerBody(Args);
+    else
+      EmitLambdaToFunctionPointerBody(Args);
+  }
   else
     EmitFunctionBody(Args);
 
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