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-rw-r--r--lib/Frontend/CompilerInvocation.cpp10
1 files changed, 8 insertions, 2 deletions
diff --git a/lib/Frontend/CompilerInvocation.cpp b/lib/Frontend/CompilerInvocation.cpp
index bb635b7ad714..1667af2d12bb 100644
--- a/lib/Frontend/CompilerInvocation.cpp
+++ b/lib/Frontend/CompilerInvocation.cpp
@@ -649,8 +649,14 @@ static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK,
Opts.NoUseJumpTables = Args.hasArg(OPT_fno_jump_tables);
Opts.PrepareForLTO = Args.hasArg(OPT_flto, OPT_flto_EQ);
- const Arg *A = Args.getLastArg(OPT_flto, OPT_flto_EQ);
- Opts.EmitSummaryIndex = A && A->containsValue("thin");
+ Opts.EmitSummaryIndex = false;
+ if (Arg *A = Args.getLastArg(OPT_flto_EQ)) {
+ StringRef S = A->getValue();
+ if (S == "thin")
+ Opts.EmitSummaryIndex = true;
+ else if (S != "full")
+ Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << S;
+ }
Opts.LTOUnit = Args.hasFlag(OPT_flto_unit, OPT_fno_lto_unit, false);
if (Arg *A = Args.getLastArg(OPT_fthinlto_index_EQ)) {
if (IK.getLanguage() != InputKind::LLVM_IR)