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[clang][Driver] Add flag for setting SkipFunctionBodies #100135

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Merged
merged 1 commit into from
Jul 25, 2024
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[clang][Driver] Add flag for setting SkipFunctionBodies #100135

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3 changes: 3 additions & 0 deletions clang/include/clang/Driver/Options.td
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Original file line number Diff line number Diff line change
Expand Up @@ -7525,6 +7525,9 @@ def code_completion_brief_comments : Flag<["-"], "code-completion-brief-comments
def code_completion_with_fixits : Flag<["-"], "code-completion-with-fixits">,
HelpText<"Include code completion results which require small fix-its.">,
MarshallingInfoFlag<FrontendOpts<"CodeCompleteOpts.IncludeFixIts">>;
def skip_function_bodies : Flag<["-"], "skip-function-bodies">,
HelpText<"Skip function bodies when possible">,
MarshallingInfoFlag<FrontendOpts<"SkipFunctionBodies">>;
def disable_free : Flag<["-"], "disable-free">,
HelpText<"Disable freeing of memory on exit">,
MarshallingInfoFlag<FrontendOpts<"DisableFree">>;
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13 changes: 13 additions & 0 deletions clang/test/Frontend/skip-function-bodies.cpp
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@@ -0,0 +1,13 @@
// Trivial check to ensure skip-function-bodies flag is propagated.
//
// RUN: %clang_cc1 -verify -skip-function-bodies -pedantic-errors %s
// expected-no-diagnostics

int f() {
// normally this should emit some diags, but we're skipping it!
this is garbage;
}

// Make sure we only accept it as a cc1 arg.
// RUN: not %clang -skip-function-bodies %s 2>&1 | FileCheck %s
// CHECK: clang: error: unknown argument '-skip-function-bodies'; did you mean '-Xclang -skip-function-bodies'?
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Yay for a diagnostic, boo for it suggesting -Xclang in this instance, but I think we can live with it.

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