Start of IRGen for lambda conversion operators.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150649 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGClass.cpp b/lib/CodeGen/CGClass.cpp
index 38fdb34..b1096d2 100644
--- a/lib/CodeGen/CGClass.cpp
+++ b/lib/CodeGen/CGClass.cpp
@@ -1720,3 +1720,11 @@
return CGM.GetAddrOfFunction(MD, Ty);
}
+
+void CodeGenFunction::EmitLambdaToBlockPointerBody(FunctionArgList &Args) {
+ CGM.ErrorUnsupported(CurFuncDecl, "lambda conversion to block");
+}
+
+void CodeGenFunction::EmitLambdaToFunctionPointerBody(FunctionArgList &Args) {
+ CGM.ErrorUnsupported(CurFuncDecl, "lambda conversion to function");
+}
diff --git a/lib/CodeGen/CodeGenFunction.cpp b/lib/CodeGen/CodeGenFunction.cpp
index 0c528b2..1034de7 100644
--- a/lib/CodeGen/CodeGenFunction.cpp
+++ b/lib/CodeGen/CodeGenFunction.cpp
@@ -447,6 +447,15 @@
!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);
diff --git a/lib/CodeGen/CodeGenFunction.h b/lib/CodeGen/CodeGenFunction.h
index 263a063..7a954ec 100644
--- a/lib/CodeGen/CodeGenFunction.h
+++ b/lib/CodeGen/CodeGenFunction.h
@@ -1376,6 +1376,9 @@
void EmitDestructorBody(FunctionArgList &Args);
void EmitFunctionBody(FunctionArgList &Args);
+ void EmitLambdaToBlockPointerBody(FunctionArgList &Args);
+ void EmitLambdaToFunctionPointerBody(FunctionArgList &Args);
+
/// EmitReturnBlock - Emit the unified return block, trying to avoid its
/// emission when possible.
void EmitReturnBlock();
