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Diffstat (limited to 'clang/lib/Driver/ToolChains/Clang.cpp')
-rw-r--r--clang/lib/Driver/ToolChains/Clang.cpp10
1 files changed, 9 insertions, 1 deletions
diff --git a/clang/lib/Driver/ToolChains/Clang.cpp b/clang/lib/Driver/ToolChains/Clang.cpp
index aec1971214cfb..fa025be14e438 100644
--- a/clang/lib/Driver/ToolChains/Clang.cpp
+++ b/clang/lib/Driver/ToolChains/Clang.cpp
@@ -4266,8 +4266,16 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
// Discard value names in assert builds unless otherwise specified.
if (Args.hasFlag(options::OPT_fdiscard_value_names,
- options::OPT_fno_discard_value_names, !IsAssertBuild))
+ options::OPT_fno_discard_value_names, !IsAssertBuild)) {
+ if (Args.hasArg(options::OPT_fdiscard_value_names) &&
+ (std::any_of(Inputs.begin(), Inputs.end(),
+ [](const clang::driver::InputInfo &II) {
+ return types::isLLVMIR(II.getType());
+ }))) {
+ D.Diag(diag::warn_ignoring_fdiscard_for_bitcode);
+ }
CmdArgs.push_back("-discard-value-names");
+ }
// Set the main file name, so that debug info works even with
// -save-temps.