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Refactor how include paths are appended to the command arguments. 

Summary:
This patch aims at removing redundancy in the way include paths for the regular and offloading toolchains are appended to the arguments list in the clang tool.

This was suggested by @rsmith in response to r275931.

Reviewers: rsmith, tra

Subscribers: rsmith, cfe-commits

Differential Revision: https://reviews.llvm.org/D22518

llvm-svn: 276929
This commit is contained in:
Samuel Antao 2016-07-27 22:46:31 +00:00
parent f2260567ca
commit 6ad11704b4
2 changed files with 38 additions and 56 deletions
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85
clang/lib/Driver/Tools.cpp
View File

@ -296,56 +296,25 @@ static bool forwardToGCC(const Option &O) {
!O.hasFlag(options::DriverOption) && !O.hasFlag(options::LinkerInput);
}
/// Add the C++ include args of other offloading toolchains. If this is a host
/// job, the device toolchains are added. If this is a device job, the host
/// toolchains will be added.
static void addExtraOffloadCXXStdlibIncludeArgs(Compilation &C,
const JobAction &JA,
const ArgList &Args,
ArgStringList &CmdArgs) {
/// Apply \a Work on the current tool chain \a RegularToolChain and any other
/// offloading tool chain that is associated with the current action \a JA.
static void
forAllAssociatedToolChains(Compilation &C, const JobAction &JA,
const ToolChain &RegularToolChain,
llvm::function_ref<void(const ToolChain &)> Work) {
// Apply Work on the current/regular tool chain.
Work(RegularToolChain);
// Apply Work on all the offloading tool chains associated with the current
// action.
if (JA.isHostOffloading(Action::OFK_Cuda))
C.getSingleOffloadToolChain<Action::OFK_Cuda>()
->AddClangCXXStdlibIncludeArgs(Args, CmdArgs);
Work(*C.getSingleOffloadToolChain<Action::OFK_Host>());
else if (JA.isDeviceOffloading(Action::OFK_Cuda))
C.getSingleOffloadToolChain<Action::OFK_Host>()
->AddClangCXXStdlibIncludeArgs(Args, CmdArgs);
Work(*C.getSingleOffloadToolChain<Action::OFK_Cuda>());
// TODO: Add support for other programming models here.
}
/// Add the C include args of other offloading toolchains. If this is a host
/// job, the device toolchains are added. If this is a device job, the host
/// toolchains will be added.
static void addExtraOffloadClangSystemIncludeArgs(Compilation &C,
const JobAction &JA,
const ArgList &Args,
ArgStringList &CmdArgs) {
if (JA.isHostOffloading(Action::OFK_Cuda))
C.getSingleOffloadToolChain<Action::OFK_Cuda>()->AddClangSystemIncludeArgs(
Args, CmdArgs);
else if (JA.isDeviceOffloading(Action::OFK_Cuda))
C.getSingleOffloadToolChain<Action::OFK_Host>()->AddClangSystemIncludeArgs(
Args, CmdArgs);
// TODO: Add support for other programming models here.
}
/// Add the include args that are specific of each offloading programming model.
static void addExtraOffloadSpecificIncludeArgs(Compilation &C,
const JobAction &JA,
const ArgList &Args,
ArgStringList &CmdArgs) {
if (JA.isHostOffloading(Action::OFK_Cuda))
C.getSingleOffloadToolChain<Action::OFK_Host>()->AddCudaIncludeArgs(
Args, CmdArgs);
else if (JA.isDeviceOffloading(Action::OFK_Cuda))
C.getSingleOffloadToolChain<Action::OFK_Cuda>()->AddCudaIncludeArgs(
Args, CmdArgs);
// TODO: Add support for other programming models here.
//
// TODO: Add support for other offloading programming models here.
//
}
void Clang::AddPreprocessingOptions(Compilation &C, const JobAction &JA,
@ -622,22 +591,26 @@ void Clang::AddPreprocessingOptions(Compilation &C, const JobAction &JA,
// of an offloading programming model.
// Add C++ include arguments, if needed.
if (types::isCXX(Inputs[0].getType())) {
getToolChain().AddClangCXXStdlibIncludeArgs(Args, CmdArgs);
addExtraOffloadCXXStdlibIncludeArgs(C, JA, Args, CmdArgs);
}
if (types::isCXX(Inputs[0].getType()))
forAllAssociatedToolChains(C, JA, getToolChain(),
[&Args, &CmdArgs](const ToolChain &TC) {
TC.AddClangCXXStdlibIncludeArgs(Args, CmdArgs);
});
// Add system include arguments for all targets but IAMCU.
if (!IsIAMCU) {
getToolChain().AddClangSystemIncludeArgs(Args, CmdArgs);
addExtraOffloadClangSystemIncludeArgs(C, JA, Args, CmdArgs);
} else {
if (!IsIAMCU)
forAllAssociatedToolChains(C, JA, getToolChain(),
[&Args, &CmdArgs](const ToolChain &TC) {
TC.AddClangSystemIncludeArgs(Args, CmdArgs);
});
else {
// For IAMCU add special include arguments.
getToolChain().AddIAMCUIncludeArgs(Args, CmdArgs);
}
// Add offload include arguments, if needed.
addExtraOffloadSpecificIncludeArgs(C, JA, Args, CmdArgs);
// Add offload include arguments specific for CUDA if that is required.
if (JA.isOffloading(Action::OFK_Cuda))
getToolChain().AddCudaIncludeArgs(Args, CmdArgs);
}
// FIXME: Move to target hook.

9
clang/test/Driver/cuda-version-check.cu
View File

@ -39,6 +39,15 @@
// RUN: --no-cuda-version-check %s | \
// RUN: FileCheck %s --check-prefix=OK
// We need to make sure the version check is done only for the device toolchain,
// therefore we should not get an error in host-only mode. We use the -S here
// to avoid the error being produced in case by the assembler tool, which does
// the same check.
// RUN: %clang -v -### --cuda-gpu-arch=sm_60 --cuda-host-only --sysroot=%S/Inputs/CUDA -S 2>&1 %s | \
// RUN: FileCheck %s --check-prefix=OK
// RUN: %clang -v -### --cuda-gpu-arch=sm_60 --cuda-device-only --sysroot=%S/Inputs/CUDA -S 2>&1 %s | \
// RUN: FileCheck %s --check-prefix=ERR_SM60
// OK-NOT: error: GPU arch
// OK_SM35-NOT: error: GPU arch sm_35