diff options
Diffstat (limited to 'clang/lib/CodeGen/CGDecl.cpp')
| -rw-r--r-- | clang/lib/CodeGen/CGDecl.cpp | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/CGDecl.cpp b/clang/lib/CodeGen/CGDecl.cpp index 52294c2034a..2314fe481df 100644 --- a/clang/lib/CodeGen/CGDecl.cpp +++ b/clang/lib/CodeGen/CGDecl.cpp @@ -1882,6 +1882,22 @@ void CodeGenFunction::EmitParmDecl(const VarDecl &D, ParamValue Arg, llvm::Type *IRTy = ConvertTypeForMem(Ty)->getPointerTo(AS); if (DeclPtr.getType() != IRTy) DeclPtr = Builder.CreateBitCast(DeclPtr, IRTy, D.getName()); + // Indirect argument is in alloca address space, which may be different + // from the default address space. + auto AllocaAS = CGM.getASTAllocaAddressSpace(); + auto *V = DeclPtr.getPointer(); + auto SrcLangAS = getLangOpts().OpenCL ? LangAS::opencl_private : AllocaAS; + auto DestLangAS = + getLangOpts().OpenCL ? LangAS::opencl_private : LangAS::Default; + if (SrcLangAS != DestLangAS) { + assert(getContext().getTargetAddressSpace(SrcLangAS) == + CGM.getDataLayout().getAllocaAddrSpace()); + auto DestAS = getContext().getTargetAddressSpace(DestLangAS); + auto *T = V->getType()->getPointerElementType()->getPointerTo(DestAS); + DeclPtr = Address(getTargetHooks().performAddrSpaceCast( + *this, V, SrcLangAS, DestLangAS, T, true), + DeclPtr.getAlignment()); + } // Push a destructor cleanup for this parameter if the ABI requires it. // Don't push a cleanup in a thunk for a method that will also emit a |
