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[OpenMP] Error when trying to offload to an unsupported architecture 

Summary: Throw an error when offloading is unsupported for a particular target architecture.

Reviewers: sfantao, caomhin, carlo.bertolli, ABataev, Hahnfeld

Reviewed By: ABataev

Subscribers: cfe-commits, rengolin

Differential Revision: https://reviews.llvm.org/D32035

llvm-svn: 310307
This commit is contained in:
Gheorghe-Teodor Bercea 2017-08-07 21:11:10 +00:00
parent e3b0a19d4f
commit ef5e106fc1
2 changed files with 10 additions and 1 deletions
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9
clang/lib/Frontend/CompilerInvocation.cpp
View File

@ -2321,7 +2321,14 @@ static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK,
for (unsigned i = 0; i < A->getNumValues(); ++i) {
llvm::Triple TT(A->getValue(i));
if (TT.getArch() == llvm::Triple::UnknownArch)
if (TT.getArch() == llvm::Triple::UnknownArch ||
!(TT.getArch() == llvm::Triple::ppc ||
TT.getArch() == llvm::Triple::ppc64 ||
TT.getArch() == llvm::Triple::ppc64le ||
TT.getArch() == llvm::Triple::nvptx ||
TT.getArch() == llvm::Triple::nvptx64 ||
TT.getArch() == llvm::Triple::x86 ||
TT.getArch() == llvm::Triple::x86_64))
Diags.Report(clang::diag::err_drv_invalid_omp_target) << A->getValue(i);
else
Opts.OMPTargetTriples.push_back(TT);

2
clang/test/OpenMP/target_messages.cpp
View File

@ -4,6 +4,8 @@
// RUN: not %clang_cc1 -fopenmp -std=c++11 -triple nvptx64-nvidia-cuda -o - %s 2>&1 | FileCheck --check-prefix CHECK-UNSUPPORTED-HOST-TARGET %s
// RUN: not %clang_cc1 -fopenmp -std=c++11 -triple nvptx-nvidia-cuda -o - %s 2>&1 | FileCheck --check-prefix CHECK-UNSUPPORTED-HOST-TARGET %s
// CHECK-UNSUPPORTED-HOST-TARGET: error: The target '{{nvptx64-nvidia-cuda|nvptx-nvidia-cuda}}' is not a supported OpenMP host target.
// RUN: not %clang_cc1 -fopenmp -std=c++11 -fopenmp-targets=hexagon-linux-gnu -o - %s 2>&1 | FileCheck --check-prefix CHECK-UNSUPPORTED-DEVICE-TARGET %s
// CHECK-UNSUPPORTED-DEVICE-TARGET: OpenMP target is invalid: 'hexagon-linux-gnu'
void foo() {
}