Index: lib/CodeGen/CGDecl.cpp =================================================================== --- lib/CodeGen/CGDecl.cpp +++ lib/CodeGen/CGDecl.cpp @@ -1860,6 +1860,10 @@ lt = Qualifiers::OCL_ExplicitNone; } + // Load objects passed indirectly. + if (Arg.isIndirect() && !ArgVal) + ArgVal = Builder.CreateLoad(DeclPtr); + if (lt == Qualifiers::OCL_Strong) { if (!isConsumed) { if (CGM.getCodeGenOpts().OptimizationLevel == 0) { Index: test/CodeGenObjCXX/arc-indirect.mm =================================================================== --- /dev/null +++ test/CodeGenObjCXX/arc-indirect.mm @@ -0,0 +1,21 @@ +// RUN: %clang_cc1 -std=c++11 -triple i686-unknown-windows-msvc -fobjc-runtime=gnustep -fobjc-arc -Wno-objc-root-class -emit-llvm -o - %s | FileCheck -check-prefixes CHECK,CHECK-GNUSTEP %s +// RUN: %clang_cc1 -std=c++11 -triple i686-unknown-windows-msvc -fobjc-runtime=macosx -fobjc-arc -Wno-objc-root-class -emit-llvm -o - %s | FileCheck -check-prefixes CHECK,CHECK-DARWIN %s +// RUN: %clang_cc1 -std=c++11 -triple i686-unknown-windows-msvc -fobjc-runtime=ios -fobjc-arc -Wno-objc-root-class -emit-llvm -o - %s | FileCheck -check-prefixes CHECK,CHECK-DARWIN %s + +// non trivially copyable, forces inalloca +struct S { + S(const S &s) {} +}; + +@interface C +@end +@implementation C +- (void)object:(id)obj struct:(S)s { +} +@end + +// CHECK-GNUSTEP: define internal void @_i_C__object_struct_(<{ %0*, i8*, i8*, %struct.S, [3 x i8] }>* inalloca) +// CHECK-DARWIN: define internal void @"\01-[C object:struct:]"(<{ %0*, i8*, i8*, %struct.S, [3 x i8] }>* inalloca) +// CHECK: %obj = getelementptr inbounds <{ %0*, i8*, i8*, %struct.S, [3 x i8] }>, <{ %0*, i8*, i8*, %struct.S, [3 x i8] }>* %0, i32 0, i32 2 +// CHECK: %1 = load i8*, i8** %obj, align 4 +// CHECK: call void @objc_storeStrong(i8** %obj, i8* %1)