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[AIX] Diagnose thinLTO usage in clang on AIX. 

Reviewed By: Xiangling Liao

Differential Revision: https://reviews.llvm.org/D100350
This commit is contained in:
Wael Yehia 2021-04-19 16:01:19 +00:00
parent 6a72ed239c
commit 369c0e0f48
2 changed files with 11 additions and 1 deletions
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5
clang/lib/Driver/Driver.cpp
View File

@ -3998,10 +3998,13 @@ void Driver::BuildJobs(Compilation &C) const {
}
const llvm::Triple &RawTriple = C.getDefaultToolChain().getTriple();
if (RawTriple.isOSAIX())
if (RawTriple.isOSAIX()) {
if (Arg *A = C.getArgs().getLastArg(options::OPT_G))
Diag(diag::err_drv_unsupported_opt_for_target)
<< A->getSpelling() << RawTriple.str();
if (LTOMode == LTOK_Thin)
Diag(diag::err_drv_clang_unsupported) << "thinLTO on AIX";
}
// Collect the list of architectures.
llvm::StringSet<> ArchNames;

7
clang/test/Driver/aix-unsupported-features.c Normal file
View File

@ -0,0 +1,7 @@
// RUN: %clang -target powerpc-ibm-aix-xcoff -### -flto=thin 2>&1 %s | \
// RUN: FileCheck --check-prefix=CHECKTHINLTO %s
// RUN: %clang -target powerpc64-ibm-aix-xcoff -### -flto=thin 2>&1 %s | \
// RUN: FileCheck --check-prefix=CHECKTHINLTO %s
// CHECKTHINLTO: error: the clang compiler does not support 'thinLTO on AIX'