pxli168 updated this revision to Diff 44312.
pxli168 added a comment.
1. Refine the def of BUILTIN with LANGBUITIN with new OCLC_LANG
2. Remove mangler for the hard coded builtin function name
3. Fix some bugs.
http://reviews.llvm.org/D15914
Files:
include/clang/Basic/Builtins.def
include/clang/Basic/Builtins.h
include/clang/Basic/DiagnosticSemaKinds.td
lib/Basic/Builtins.cpp
lib/CodeGen/CGBuiltin.cpp
lib/CodeGen/CGOpenCLRuntime.cpp
lib/CodeGen/CGOpenCLRuntime.h
lib/Sema/SemaChecking.cpp
Index: lib/Sema/SemaChecking.cpp
===================================================================
--- lib/Sema/SemaChecking.cpp
+++ lib/Sema/SemaChecking.cpp
@@ -258,6 +258,191 @@
return false;
}
+/// Returns readable name for a call.
+static StringRef getFunctionName(CallExpr *Call) {
+ return cast<FunctionDecl>(Call->getCalleeDecl())->getName();
+}
+
+/// Returns OpenCL access qual.
+static OpenCLImageAccessAttr *getOpenCLImageAcces(const Decl *D) {
+ if (D->hasAttr<OpenCLImageAccessAttr>())
+ return D->getAttr<OpenCLImageAccessAttr>();
+ return nullptr;
+}
+
+/// Returns true if pipe element type is different from the pointer.
+static bool checkOpenCLPipeArg(Sema &S, CallExpr *Call) {
+ const Expr *Arg0 = Call->getArg(0);
+ // First argument type should always be pipe.
+ if (!Arg0->getType()->isPipeType()) {
+ S.Diag(Call->getLocStart(), diag::err_opencl_builtin_pipe_first_arg)
+ << getFunctionName(Call) << Arg0->getSourceRange();
+ return true;
+ }
+ OpenCLImageAccessAttr *AccessQual =
+ getOpenCLImageAcces(cast<DeclRefExpr>(Arg0)->getDecl());
+ // Validates the access modifier is compatible with the call.
+ // From OpenCL C Specification 6.13.16 the access qualifiers for
+ // pipe should only be read_only and write_only, and assumed to
+ // be read_only if no qualifier is specified.
+ bool isValid = true;
+ // TODO: For all pipe built-in read is for read_only?
+ bool ReadOnly = getFunctionName(Call).find("read") != StringRef::npos;
+ if (ReadOnly)
+ isValid = AccessQual == nullptr || AccessQual->isReadOnly();
+ else
+ isValid = AccessQual != nullptr && AccessQual->isWriteOnly();
+ if (!isValid) {
+ const char *AM = ReadOnly ? "read_only" : "write_only";
+ S.Diag(Arg0->getLocStart(),
+ diag::err_opencl_builtin_pipe_invalid_access_modifier)
+ << AM << Arg0->getSourceRange();
+ return true;
+ }
+
+ return false;
+}
+
+/// Returns true if pipe element type is different from the pointer.
+static bool checkOpenCLPipePacketType(Sema &S, CallExpr *Call, unsigned Idx) {
+ const Expr *Arg0 = Call->getArg(0);
+ const Expr *ArgIdx = Call->getArg(Idx);
+ const PipeType *PipeTy = cast<PipeType>(Arg0->getType());
+ const Type *EltTy = PipeTy->getElementType().getTypePtr();
+ const PointerType *ArgTy =
+ dyn_cast<PointerType>(ArgIdx->getType().getTypePtr());
+ // The Idx argument should be a pointer and the type of the pointer and
+ // the type of pipe element should also be the same.
+ if (!ArgTy || EltTy != ArgTy->getPointeeType().getTypePtr()) {
+ S.Diag(Call->getLocStart(), diag::err_opencl_builtin_pipe_invalid_arg)
+ << getFunctionName(Call)
+ << S.Context.getPointerType(PipeTy->getElementType())
+ << ArgIdx->getSourceRange();
+ return true;
+ }
+ return false;
+}
+
+// \brief Performs semantic analysis for the read/write_pipe call.
+// \param S Reference to the semantic analyzer.
+// \param Call A pointer to the builtin call.
+// \return True if a semantic error has been found, false otherwise.
+static bool SemaBuiltinRWPipe(Sema &S, CallExpr *Call) {
+
+ if (checkOpenCLPipeArg(S, Call))
+ return true;
+
+ // Two kinds of read/write pipe
+ // From OpenCL C Specification 6.13.16.2 the built-in read/write
+ // functions have following forms.
+ switch (Call->getNumArgs()) {
+ case 2: {
+ // The call with 2 arguments should be
+ // read/write_pipe(pipe T, T*)
+ // check packet type T
+ if (checkOpenCLPipePacketType(S, Call, 1))
+ return true;
+ } break;
+
+ case 4: {
+ // The call with 4 arguments should be
+ // read/write_pipe(pipe T, reserve_id_t, uint, T*)
+ // check reserve_id_t
+ if (!Call->getArg(1)->getType()->isReserveIDT()) {
+ S.Diag(Call->getLocStart(), diag::err_opencl_builtin_pipe_invalid_arg)
+ << getFunctionName(Call) << S.Context.OCLReserveIDTy
+ << Call->getArg(1)->getSourceRange();
+ return true;
+ }
+
+ // check the index
+ const Expr *Arg2 = Call->getArg(2);
+ if (!Arg2->getType()->isIntegerType() &&
+ !Arg2->getType()->isUnsignedIntegerType()) {
+ S.Diag(Call->getLocStart(), diag::err_opencl_builtin_pipe_invalid_arg)
+ << getFunctionName(Call) << S.Context.UnsignedIntTy
+ << Arg2->getSourceRange();
+ return true;
+ }
+
+ // check packet type T
+ if (checkOpenCLPipePacketType(S, Call, 3))
+ return true;
+ } break;
+ default:
+ S.Diag(Call->getLocStart(), diag::err_opencl_builtin_pipe_arg_num)
+ << getFunctionName(Call) << Call->getSourceRange();
+ return true;
+ }
+
+ return false;
+}
+
+// \brief Performs a semantic analysis on the {work_group_/sub_group_
+// /_}reserve_{read/write}_pipe
+// \param S Reference to the semantic analyzer.
+// \param Call The call to the builtin function to be analyzed.
+// \return True if a semantic error was found, false otherwise.
+static bool SemaBuiltinReserveRWPipe(Sema &S, CallExpr *Call) {
+ if (checkArgCount(S, Call, 2))
+ return true;
+
+ if (checkOpenCLPipeArg(S, Call))
+ return true;
+
+ // check the reverse size
+ if (!Call->getArg(1)->getType()->isIntegerType() &&
+ !Call->getArg(1)->getType()->isUnsignedIntegerType()) {
+ S.Diag(Call->getLocStart(), diag::err_opencl_builtin_pipe_invalid_arg)
+ << getFunctionName(Call) << S.Context.UnsignedIntTy
+ << Call->getArg(1)->getSourceRange();
+ return true;
+ }
+
+ return false;
+}
+
+// \brief Performs a semantic analysis on {work_group_/sub_group_
+// /_}commit_{read/write}_pipe
+// \param S Reference to the semantic analyzer.
+// \param Call The call to the builtin function to be analyzed.
+// \return True if a semantic error was found, false otherwise.
+static bool SemaBuiltinCommitRWPipe(Sema &S, CallExpr *Call) {
+ if (checkArgCount(S, Call, 2))
+ return true;
+
+ if (checkOpenCLPipeArg(S, Call))
+ return true;
+
+ // check reserve_id_t
+ if (!Call->getArg(1)->getType()->isReserveIDT()) {
+ S.Diag(Call->getLocStart(), diag::err_opencl_builtin_pipe_invalid_arg)
+ << getFunctionName(Call) << S.Context.OCLReserveIDTy
+ << Call->getArg(1)->getSourceRange();
+ return true;
+ }
+
+ return false;
+}
+
+// \brief Performs a semantic analysis on the call to built-in Pipe
+// Query Functions.
+// \param S Reference to the semantic analyzer.
+// \param Call The call to the builtin function to be analyzed.
+// \return True if a semantic error was found, false otherwise.
+static bool SemaBuiltinPipePacketes(Sema &S, CallExpr *Call) {
+ if (checkArgCount(S, Call, 1))
+ return true;
+
+ if (!Call->getArg(0)->getType()->isPipeType()) {
+ S.Diag(Call->getLocStart(), diag::err_opencl_builtin_pipe_first_arg)
+ << getFunctionName(Call) << Call->getArg(0)->getSourceRange();
+ return true;
+ }
+
+ return false;
+}
+
ExprResult
Sema::CheckBuiltinFunctionCall(FunctionDecl *FDecl, unsigned BuiltinID,
CallExpr *TheCall) {
@@ -563,6 +748,38 @@
TheCall->setType(Context.VoidPtrTy);
break;
+ case Builtin::BIread_pipe:
+ case Builtin::BIwrite_pipe:
+ // Since those two functions are declared with var args, therefore we need
+ // a semantic check for the argument.
+ if (SemaBuiltinRWPipe(*this, TheCall))
+ return ExprError();
+ break;
+ case Builtin::BIreserve_read_pipe:
+ case Builtin::BIreserve_write_pipe:
+ case Builtin::BIwork_group_reserve_read_pipe:
+ case Builtin::BIwork_group_reserve_write_pipe:
+ case Builtin::BIsub_group_reserve_read_pipe:
+ case Builtin::BIsub_group_reserve_write_pipe:
+ if (SemaBuiltinReserveRWPipe(*this, TheCall))
+ return ExprError();
+ // We need to override the return type of the reserve pipe functions.
+ TheCall->setType(Context.OCLReserveIDTy);
+ break;
+ case Builtin::BIcommit_read_pipe:
+ case Builtin::BIcommit_write_pipe:
+ case Builtin::BIwork_group_commit_read_pipe:
+ case Builtin::BIwork_group_commit_write_pipe:
+ case Builtin::BIsub_group_commit_read_pipe:
+ case Builtin::BIsub_group_commit_write_pipe:
+ if (SemaBuiltinCommitRWPipe(*this, TheCall))
+ return ExprError();
+ break;
+ case Builtin::BIget_pipe_num_packets:
+ case Builtin::BIget_pipe_max_packets:
+ if (SemaBuiltinPipePacketes(*this, TheCall))
+ return ExprError();
+ break;
}
Index: lib/CodeGen/CGOpenCLRuntime.h
===================================================================
--- lib/CodeGen/CGOpenCLRuntime.h
+++ lib/CodeGen/CGOpenCLRuntime.h
@@ -47,6 +47,10 @@
virtual llvm::Type *convertOpenCLSpecificType(const Type *T);
virtual llvm::Type *getPipeType();
+
+ // \brief Returnes a value which indicates the size in bytes of the pipe
+ // element.
+ virtual llvm::Value *getPipeElemSize(const Expr *PipeArg);
};
}
Index: lib/CodeGen/CGOpenCLRuntime.cpp
===================================================================
--- lib/CodeGen/CGOpenCLRuntime.cpp
+++ lib/CodeGen/CGOpenCLRuntime.cpp
@@ -110,3 +110,14 @@
return PipeTy;
}
+
+llvm::Value *CGOpenCLRuntime::getPipeElemSize(const Expr *PipeArg) {
+ const PipeType *PipeTy = PipeArg->getType()->getAs<PipeType>();
+ // The type of the last (implicit) argument to be passed.
+ llvm::Type *Int32Ty = llvm::IntegerType::getInt32Ty(CGM.getLLVMContext());
+ unsigned TypeSizeInBits =
+ CGM.getContext().getTypeSize(PipeTy->getElementType());
+ return llvm::ConstantInt::get(Int32Ty,
+ TypeSizeInBits / 8, // Size in bytes.
+ false);
+}
Index: lib/CodeGen/CGBuiltin.cpp
===================================================================
--- lib/CodeGen/CGBuiltin.cpp
+++ lib/CodeGen/CGBuiltin.cpp
@@ -14,6 +14,7 @@
#include "CodeGenFunction.h"
#include "CGCXXABI.h"
#include "CGObjCRuntime.h"
+#include "CGOpenCLRuntime.h"
#include "CodeGenModule.h"
#include "TargetInfo.h"
#include "clang/AST/ASTContext.h"
@@ -1963,6 +1964,158 @@
return RValue::get(llvm::ConstantExpr::getBitCast(GV, CGM.Int8PtrTy));
break;
}
+
+ case Builtin::BIread_pipe:
+ case Builtin::BIwrite_pipe: {
+ llvm::LLVMContext &Ctxt = getLLVMContext();
+ Value *Arg0 = EmitScalarExpr(E->getArg(0)),
+ *Arg1 = EmitScalarExpr(E->getArg(1));
+ Value *PacketSize = CGOpenCLRuntime(CGM).getPipeElemSize(E->getArg(0));
+
+ // Type of the packet parameter.
+ llvm::Type *I8PTy = llvm::PointerType::get(llvm::Type::getInt8Ty(Ctxt), 4U);
+
+ // Testing which overloaded version we should generate the call for.
+ if (2U == E->getNumArgs()) {
+ // The name is mangled with hard-coded, since we would like to avoid the
+ // AST rewrite.
+ const char *Name =
+ (BuiltinID == Builtin::BIread_pipe)
+ ? "_Z9read_pipePU3AS110ocl_pipe_tPU3AS4vi"
+ : "_Z10write_pipePU3AS110ocl_pipe_tPU3AS4vi";
+ // Re-Creating the function type for this call, since the original type
+ // is variadic, we make them to be generic type.
+ llvm::Type *ArgTys[] = {Arg0->getType(), I8PTy, Int32Ty};
+ llvm::FunctionType *FTy = llvm::FunctionType::get(
+ Int32Ty, llvm::ArrayRef<llvm::Type *>(ArgTys), false);
+ Value *BCast = Builder.CreatePointerCast(Arg1, I8PTy);
+ return RValue::get(Builder.CreateCall(
+ CGM.CreateRuntimeFunction(FTy, Name), {Arg0, BCast, PacketSize}));
+ } else {
+ assert(4 == E->getNumArgs() &&
+ "Illegal number of parameters to pipe function");
+ const char *Name =
+ (BuiltinID == Builtin::BIread_pipe)
+ ? "_Z9read_pipePU3AS110ocl_pipe_t16ocl_reserve_id_tjPU3AS4vi"
+ : "_Z10write_pipePU3AS110ocl_pipe_t16ocl_reserve_id_tjPU3AS4vi";
+
+ llvm::Type *ArgTys[] = {Arg0->getType(), Arg1->getType(), Int32Ty, I8PTy,
+ Int32Ty};
+ Value *Arg2 = EmitScalarExpr(E->getArg(2)),
+ *Arg3 = EmitScalarExpr(E->getArg(3));
+ llvm::FunctionType *FTy = llvm::FunctionType::get(
+ Int32Ty, llvm::ArrayRef<llvm::Type *>(ArgTys), false);
+ Value *BCast = Builder.CreatePointerCast(Arg3, I8PTy);
+ // We know the third argument is an integer type (Verified by Sema), but
+ // we may need to cast it i32.
+ if (Arg2->getType() != Int32Ty)
+ Arg2 = Builder.CreateZExtOrTrunc(Arg2, Int32Ty);
+ return RValue::get(
+ Builder.CreateCall(CGM.CreateRuntimeFunction(FTy, Name),
+ {Arg0, Arg1, Arg2, BCast, PacketSize}));
+ }
+ }
+ case Builtin::BIreserve_read_pipe:
+ case Builtin::BIreserve_write_pipe:
+ case Builtin::BIwork_group_reserve_read_pipe:
+ case Builtin::BIwork_group_reserve_write_pipe:
+ case Builtin::BIsub_group_reserve_read_pipe:
+ case Builtin::BIsub_group_reserve_write_pipe: {
+ // Composing the mangled name for the function.
+ const char *Name;
+ if (BuiltinID == Builtin::BIreserve_read_pipe)
+ Name = "_Z17reserve_read_pipePU3AS110ocl_pipe_tji";
+ else if (BuiltinID == Builtin::BIreserve_write_pipe)
+ Name = "_Z18reserve_write_pipePU3AS110ocl_pipe_tji";
+ else if (BuiltinID == Builtin::BIwork_group_reserve_read_pipe)
+ Name = "_Z28work_group_reserve_read_pipePU3AS110ocl_pipe_tji";
+ else if (BuiltinID == Builtin::BIwork_group_reserve_write_pipe)
+ Name = "_Z29work_group_reserve_write_pipePU3AS110ocl_pipe_tji";
+ else if (BuiltinID == Builtin::BIsub_group_reserve_read_pipe)
+ Name = "_Z27sub_group_reserve_read_pipePU3AS110ocl_pipe_tji";
+ else
+ Name = "_Z28sub_group_reserve_write_pipePU3AS110ocl_pipe_tji";
+
+ CGOpenCLRuntime CGOCL(CGM);
+
+ //Value *PacketSize = CGOCL.getPipeElemSize(E->getArg(0));
+ Value *PacketSize = CGOpenCLRuntime(CGM).getPipeElemSize(E->getArg(0));
+ Value *Arg0 = EmitScalarExpr(E->getArg(0)),
+ *Arg1 = EmitScalarExpr(E->getArg(1));
+ llvm::Type *ReservedIDTy = ConvertType(getContext().OCLReserveIDTy);
+
+ // Building the generic function prototype.
+ llvm::Type *ArgTys[] = {Arg0->getType(), Int32Ty, Int32Ty};
+ llvm::FunctionType *FTy = llvm::FunctionType::get(
+ ReservedIDTy, llvm::ArrayRef<llvm::Type *>(ArgTys), false);
+ // We know the third argument is an integer type (Verified by Sema, but
+ // we may need to cast it.
+ if (Arg1->getType() != Int32Ty)
+ Arg1 = Builder.CreateZExtOrTrunc(Arg1, Int32Ty);
+ return RValue::get(Builder.CreateCall(CGM.CreateRuntimeFunction(FTy, Name),
+ {Arg0, Arg1, PacketSize}));
+ }
+ case Builtin::BIcommit_read_pipe:
+ case Builtin::BIcommit_write_pipe:
+ case Builtin::BIwork_group_commit_read_pipe:
+ case Builtin::BIwork_group_commit_write_pipe:
+ case Builtin::BIsub_group_commit_read_pipe:
+ case Builtin::BIsub_group_commit_write_pipe: {
+ const char *Name;
+ if (BuiltinID == Builtin::BIcommit_read_pipe)
+ Name = "_Z16commit_read_pipePU3AS110ocl_pipe_t16ocl_reserve_id_ti";
+ else if (BuiltinID == Builtin::BIcommit_write_pipe)
+ Name = "_Z17commit_write_pipePU3AS110ocl_pipe_t16ocl_reserve_id_ti";
+ else if (BuiltinID == Builtin::BIwork_group_commit_read_pipe)
+ Name = "_Z27work_group_commit_read_pipePU3AS110ocl_pipe_t16ocl_reserve_"
+ "id_ti";
+ else if (BuiltinID == Builtin::BIwork_group_commit_write_pipe)
+ Name = "_Z28work_group_commit_write_pipePU3AS110ocl_pipe_t16ocl_reserve_"
+ "id_ti";
+ else if (BuiltinID == Builtin::BIsub_group_commit_read_pipe)
+ Name =
+ "_Z26sub_group_commit_read_pipePU3AS110ocl_pipe_t16ocl_reserve_id_ti";
+ else
+ Name = "_Z27sub_group_commit_write_pipePU3AS110ocl_pipe_t16ocl_reserve_"
+ "id_ti";
+
+ CGOpenCLRuntime CGOCL(CGM);
+
+ //Value *PacketSize = CGOCL.getPipeElemSize(E->getArg(0));
+ Value *PacketSize = CGOpenCLRuntime(CGM).getPipeElemSize(E->getArg(0));
+ Value *Arg0 = EmitScalarExpr(E->getArg(0)),
+ *Arg1 = EmitScalarExpr(E->getArg(1));
+
+ // Building the generic function prototype.
+ llvm::Type *ArgTys[] = {Arg0->getType(), Arg1->getType(), Int32Ty};
+ llvm::FunctionType *FTy =
+ llvm::FunctionType::get(llvm::Type::getVoidTy(getLLVMContext()),
+ llvm::ArrayRef<llvm::Type *>(ArgTys), false);
+
+ return RValue::get(Builder.CreateCall(CGM.CreateRuntimeFunction(FTy, Name),
+ {Arg0, Arg1, PacketSize}));
+ }
+ case Builtin::BIget_pipe_num_packets:
+ case Builtin::BIget_pipe_max_packets: {
+ const char *Name;
+ if (BuiltinID == Builtin::BIget_pipe_num_packets)
+ Name = "_Z20get_pipe_num_packetsPU3AS110ocl_pipe_ti";
+ else
+ Name = "_Z20get_pipe_max_packetsPU3AS110ocl_pipe_ti";
+ SmallString<64> SS;
+
+ // Building the generic function prototype.
+ CGOpenCLRuntime CGOCL(CGM);
+ //Value *PacketSize = CGOCL.getPipeElemSize(E->getArg(0));
+ Value *PacketSize = CGOpenCLRuntime(CGM).getPipeElemSize(E->getArg(0));
+ Value *Arg0 = EmitScalarExpr(E->getArg(0));
+ llvm::Type *ArgTys[] = {Arg0->getType(), Int32Ty};
+ llvm::FunctionType *FTy = llvm::FunctionType::get(
+ Int32Ty, llvm::ArrayRef<llvm::Type *>(ArgTys), false);
+
+ return RValue::get(Builder.CreateCall(CGM.CreateRuntimeFunction(FTy, Name),
+ {Arg0, PacketSize}));
+ }
}
// If this is an alias for a lib function (e.g. __builtin_sin), emit
Index: lib/Basic/Builtins.cpp
===================================================================
--- lib/Basic/Builtins.cpp
+++ lib/Basic/Builtins.cpp
@@ -59,7 +59,8 @@
bool MSModeUnsupported =
!LangOpts.MicrosoftExt && (BuiltinInfo.Langs & MS_LANG);
bool ObjCUnsupported = !LangOpts.ObjC1 && BuiltinInfo.Langs == OBJC_LANG;
- return !BuiltinsUnsupported && !MathBuiltinsUnsupported &&
+ bool OclCUnsupported = !LangOpts.OpenCL && BuiltinInfo.Langs == OCLC_LANG;
+ return !BuiltinsUnsupported && !MathBuiltinsUnsupported && !OclCUnsupported &&
!GnuModeUnsupported && !MSModeUnsupported && !ObjCUnsupported;
}
Index: include/clang/Basic/DiagnosticSemaKinds.td
===================================================================
--- include/clang/Basic/DiagnosticSemaKinds.td
+++ include/clang/Basic/DiagnosticSemaKinds.td
@@ -7654,6 +7654,16 @@
def err_opencl_implicit_vector_conversion : Error<
"implicit conversions between vector types (%0 and %1) are not permitted">;
+// OpenCL v2.0 s6.13.6 -- Builtin Pipe Functions
+def err_opencl_builtin_pipe_first_arg : Error<
+ "first argument to %0 must be a pipe type">;
+def err_opencl_builtin_pipe_arg_num : Error<
+ "invalid number of arguments to function: %0">;
+def err_opencl_builtin_pipe_invalid_arg : Error<
+ "invalid argument type to function %0 (expecting: %1)">;
+def err_opencl_builtin_pipe_invalid_access_modifier : Error<
+ "invalid pipe access modifier (expecting %0)">;
+
// OpenCL Section 6.8.g
def err_opencl_unknown_type_specifier : Error<
"OpenCL does not support the '%0' %select{type qualifier|storage class specifier}1">;
Index: include/clang/Basic/Builtins.h
===================================================================
--- include/clang/Basic/Builtins.h
+++ include/clang/Basic/Builtins.h
@@ -36,6 +36,7 @@
CXX_LANG = 0x4, // builtin for cplusplus only.
OBJC_LANG = 0x8, // builtin for objective-c and objective-c++
MS_LANG = 0x10, // builtin requires MS mode.
+ OCLC_LANG = 0x20,// builtin for OpenCL C only.
ALL_LANGUAGES = C_LANG | CXX_LANG | OBJC_LANG, // builtin for all languages.
ALL_GNU_LANGUAGES = ALL_LANGUAGES | GNU_LANG, // builtin requires GNU mode.
ALL_MS_LANGUAGES = ALL_LANGUAGES | MS_LANG // builtin requires MS mode.
Index: include/clang/Basic/Builtins.def
===================================================================
--- include/clang/Basic/Builtins.def
+++ include/clang/Basic/Builtins.def
@@ -1252,6 +1252,32 @@
BUILTIN(__builtin_nontemporal_store, "v.", "t")
BUILTIN(__builtin_nontemporal_load, "v.", "t")
+// OpenCL v2.0 s6.13.16, s9.17.3.5 -- Pipe functions.
+// We need the generic prototype, since the packet type could be anything.
+LANGBUILTIN(read_pipe, "i.", "tn", OCLC_LANG)
+LANGBUILTIN(write_pipe, "i.", "tn", OCLC_LANG)
+
+LANGBUILTIN(reserve_read_pipe, "i.", "tn", OCLC_LANG)
+LANGBUILTIN(reserve_write_pipe, "i.", "tn", OCLC_LANG)
+
+LANGBUILTIN(commit_write_pipe, "v.", "tn", OCLC_LANG)
+LANGBUILTIN(commit_read_pipe, "v.", "tn", OCLC_LANG)
+
+LANGBUILTIN(sub_group_reserve_read_pipe, "i.", "tn", OCLC_LANG)
+LANGBUILTIN(sub_group_reserve_write_pipe, "i.", "tn", OCLC_LANG)
+
+LANGBUILTIN(sub_group_commit_read_pipe, "v.", "tn", OCLC_LANG)
+LANGBUILTIN(sub_group_commit_write_pipe, "v.", "tn", OCLC_LANG)
+
+LANGBUILTIN(work_group_reserve_read_pipe, "i.", "tn", OCLC_LANG)
+LANGBUILTIN(work_group_reserve_write_pipe, "i.", "tn", OCLC_LANG)
+
+LANGBUILTIN(work_group_commit_read_pipe, "v.", "tn", OCLC_LANG)
+LANGBUILTIN(work_group_commit_write_pipe, "v.", "tn", OCLC_LANG)
+
+LANGBUILTIN(get_pipe_num_packets, "Ui.", "tn", OCLC_LANG)
+LANGBUILTIN(get_pipe_max_packets, "Ui.", "tn", OCLC_LANG)
+
#undef BUILTIN
#undef LIBBUILTIN
#undef LANGBUILTIN
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