Delete dead code.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@185119 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGExpr.cpp b/lib/CodeGen/CGExpr.cpp
index cbad66c..8398969 100644
--- a/lib/CodeGen/CGExpr.cpp
+++ b/lib/CodeGen/CGExpr.cpp
@@ -821,8 +821,6 @@
return EmitLValue(cleanups->getSubExpr());
}
- case Expr::CXXScalarValueInitExprClass:
- return EmitNullInitializationLValue(cast<CXXScalarValueInitExpr>(E));
case Expr::CXXDefaultArgExprClass:
return EmitLValue(cast<CXXDefaultArgExpr>(E)->getExpr());
case Expr::CXXDefaultInitExprClass: {
@@ -2676,26 +2674,6 @@
LValue CodeGenFunction::EmitCastLValue(const CastExpr *E) {
switch (E->getCastKind()) {
case CK_ToVoid:
- return EmitUnsupportedLValue(E, "unexpected cast lvalue");
-
- case CK_Dependent:
- llvm_unreachable("dependent cast kind in IR gen!");
-
- case CK_BuiltinFnToFnPtr:
- llvm_unreachable("builtin functions are handled elsewhere");
-
- // These two casts are currently treated as no-ops, although they could
- // potentially be real operations depending on the target's ABI.
- case CK_NonAtomicToAtomic:
- case CK_AtomicToNonAtomic:
-
- case CK_NoOp:
- case CK_LValueToRValue:
- if (!E->getSubExpr()->Classify(getContext()).isPRValue()
- || E->getType()->isRecordType())
- return EmitLValue(E->getSubExpr());
- // Fall through to synthesize a temporary.
-
case CK_BitCast:
case CK_ArrayToPointerDecay:
case CK_FunctionToPointerDecay:
@@ -2730,15 +2708,20 @@
case CK_ARCConsumeObject:
case CK_ARCReclaimReturnedObject:
case CK_ARCExtendBlockObject:
- case CK_CopyAndAutoreleaseBlockObject: {
- // These casts only produce lvalues when we're binding a reference to a
- // temporary realized from a (converted) pure rvalue. Emit the expression
- // as a value, copy it into a temporary, and return an lvalue referring to
- // that temporary.
- llvm::Value *V = CreateMemTemp(E->getType(), "ref.temp");
- EmitAnyExprToMem(E, V, E->getType().getQualifiers(), false);
- return MakeAddrLValue(V, E->getType());
- }
+ case CK_CopyAndAutoreleaseBlockObject:
+ return EmitUnsupportedLValue(E, "unexpected cast lvalue");
+
+ case CK_Dependent:
+ llvm_unreachable("dependent cast kind in IR gen!");
+
+ case CK_BuiltinFnToFnPtr:
+ llvm_unreachable("builtin functions are handled elsewhere");
+
+ // These two casts are currently treated as no-ops, although they could
+ // potentially be real operations depending on the target's ABI.
+ case CK_NonAtomicToAtomic:
+ case CK_AtomicToNonAtomic:
+ return EmitLValue(E->getSubExpr());
case CK_Dynamic: {
LValue LV = EmitLValue(E->getSubExpr());
@@ -2751,6 +2734,8 @@
case CK_UserDefinedConversion:
case CK_CPointerToObjCPointerCast:
case CK_BlockPointerToObjCPointerCast:
+ case CK_NoOp:
+ case CK_LValueToRValue:
return EmitLValue(E->getSubExpr());
case CK_UncheckedDerivedToBase:
@@ -2817,14 +2802,6 @@
llvm_unreachable("Unhandled lvalue cast kind?");
}
-LValue CodeGenFunction::EmitNullInitializationLValue(
- const CXXScalarValueInitExpr *E) {
- QualType Ty = E->getType();
- LValue LV = MakeAddrLValue(CreateMemTemp(Ty), Ty);
- EmitNullInitialization(LV.getAddress(), Ty);
- return LV;
-}
-
LValue CodeGenFunction::EmitOpaqueValueLValue(const OpaqueValueExpr *e) {
assert(OpaqueValueMappingData::shouldBindAsLValue(e));
return getOpaqueLValueMapping(e);
diff --git a/lib/CodeGen/CodeGenFunction.h b/lib/CodeGen/CodeGenFunction.h
index 7b18edf..8b6842d 100644
--- a/lib/CodeGen/CodeGenFunction.h
+++ b/lib/CodeGen/CodeGenFunction.h
@@ -1991,7 +1991,6 @@
LValue EmitInitListLValue(const InitListExpr *E);
LValue EmitConditionalOperatorLValue(const AbstractConditionalOperator *E);
LValue EmitCastLValue(const CastExpr *E);
- LValue EmitNullInitializationLValue(const CXXScalarValueInitExpr *E);
LValue EmitMaterializeTemporaryExpr(const MaterializeTemporaryExpr *E);
LValue EmitOpaqueValueLValue(const OpaqueValueExpr *e);
