diff options
Diffstat (limited to 'clang')
| -rw-r--r-- | clang/include/clang/Basic/DiagnosticDriverKinds.td | 2 | ||||
| -rw-r--r-- | clang/lib/Driver/Driver.cpp | 4 | ||||
| -rw-r--r-- | clang/test/Driver/lto.c | 2 |
3 files changed, 8 insertions, 0 deletions
diff --git a/clang/include/clang/Basic/DiagnosticDriverKinds.td b/clang/include/clang/Basic/DiagnosticDriverKinds.td index 81c1e5849f7..26d39149e6b 100644 --- a/clang/include/clang/Basic/DiagnosticDriverKinds.td +++ b/clang/include/clang/Basic/DiagnosticDriverKinds.td @@ -109,6 +109,8 @@ def err_drv_mg_requires_m_or_mm : Error< "option '-MG' requires '-M' or '-MM'">; def err_drv_unknown_objc_runtime : Error< "unknown or ill-formed Objective-C runtime '%0'">; +def err_drv_emit_llvm_link : Error< + "-emit-llvm cannot be used when linking">; def warn_c_kext : Warning< "ignoring -fapple-kext which is valid for C++ and Objective-C++ only">; diff --git a/clang/lib/Driver/Driver.cpp b/clang/lib/Driver/Driver.cpp index a309625ac40..de589628b77 100644 --- a/clang/lib/Driver/Driver.cpp +++ b/clang/lib/Driver/Driver.cpp @@ -1171,6 +1171,10 @@ void Driver::BuildActions(const ToolChain &TC, DerivedArgList &Args, Arg *FinalPhaseArg; phases::ID FinalPhase = getFinalPhase(Args, &FinalPhaseArg); + if (FinalPhase == phases::Link && Args.hasArg(options::OPT_emit_llvm)) { + Diag(clang::diag::err_drv_emit_llvm_link); + } + // Reject -Z* at the top level, these options should never have been exposed // by gcc. if (Arg *A = Args.getLastArg(options::OPT_Z_Joined)) diff --git a/clang/test/Driver/lto.c b/clang/test/Driver/lto.c index 511c19b578e..91524bf78b1 100644 --- a/clang/test/Driver/lto.c +++ b/clang/test/Driver/lto.c @@ -18,3 +18,5 @@ // RUN: %clang %s -flto -S -### 2> %t.log // RUN: grep '"-o" ".*lto\.s" "-x" "c" ".*lto\.c"' %t.log +// RUN: not %clang %s -emit-llvm 2>&1 | FileCheck --check-prefix=LLVM-LINK %s +// LLVM-LINK: -emit-llvm cannot be used when linking |
