clang-cl: Enable -fexceptions but not -fcxx-exceptions by default
This enables proper IRgen of SEH constructs. llvm-svn: 227528
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@ -4820,10 +4820,10 @@ void Clang::AddClangCLArgs(const ArgList &Args, ArgStringList &CmdArgs) const {
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const Driver &D = getToolChain().getDriver();
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EHFlags EH = parseClangCLEHFlags(D, Args);
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// FIXME: Do something with NoExceptC.
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if (EH.Synch || EH.Asynch) {
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CmdArgs.push_back("-fexceptions");
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if (EH.Synch || EH.Asynch)
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CmdArgs.push_back("-fcxx-exceptions");
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}
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// Always add -fexceptions to allow SEH __try.
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CmdArgs.push_back("-fexceptions");
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// /EP should expand to -E -P.
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if (Args.hasArg(options::OPT__SLASH_EP)) {
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@ -5,18 +5,23 @@
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// command-line option, e.g. on Mac where %s is commonly under /Users.
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// RUN: %clang_cl /c /EHsc -### -- %s 2>&1 | FileCheck -check-prefix=EHsc %s
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// EHsc: "-fcxx-exceptions"
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// EHsc: "-fexceptions"
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// RUN: %clang_cl /c /EHs-c- -### -- %s 2>&1 | FileCheck -check-prefix=EHs_c_ %s
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// EHs_c_-NOT: "-fexceptions"
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// EHs_c_-NOT: "-fcxx-exceptions"
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// EHs_c_: "-fexceptions"
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// RUN: %clang_cl /c /EHs- /EHc- -### -- %s 2>&1 | FileCheck -check-prefix=EHs_EHc_ %s
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// EHs_EHc_-NOT: "-fexceptions"
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// EHs_EHc_-NOT: "-fcxx-exceptions"
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// EHs_EHc_: "-fexceptions"
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// RUN: %clang_cl /c /EHs- /EHs -### -- %s 2>&1 | FileCheck -check-prefix=EHs_EHs %s
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// EHs_EHs: "-fcxx-exceptions"
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// EHs_EHs: "-fexceptions"
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// RUN: %clang_cl /c /EHs- /EHsa -### -- %s 2>&1 | FileCheck -check-prefix=EHs_EHa %s
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// EHs_EHa: "-fcxx-exceptions"
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// EHs_EHa: "-fexceptions"
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// RUN: %clang_cl /c /EHinvalid -### -- %s 2>&1 | FileCheck -check-prefix=EHinvalid %s
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