diff options
Diffstat (limited to 'clang/lib/Frontend/CompilerInvocation.cpp')
| -rw-r--r-- | clang/lib/Frontend/CompilerInvocation.cpp | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp index 94a3a33235a..8db5cf1bc21 100644 --- a/clang/lib/Frontend/CompilerInvocation.cpp +++ b/clang/lib/Frontend/CompilerInvocation.cpp @@ -299,14 +299,15 @@ static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, using namespace options; bool Success = true; - unsigned OptLevel = getOptimizationLevel(Args, IK, Diags); - if (OptLevel > 3) { - Diags.Report(diag::err_drv_invalid_value) - << Args.getLastArg(OPT_O)->getAsString(Args) << OptLevel; - OptLevel = 3; - Success = false; + Opts.OptimizationLevel = getOptimizationLevel(Args, IK, Diags); + // TODO: This could be done in Driver + unsigned MaxOptLevel = 3; + if (Opts.OptimizationLevel > MaxOptLevel) { + // If the optimization level is not supported, fall back on the default optimization + Diags.Report(diag::warn_drv_optimization_value) + << Args.getLastArg(OPT_O)->getAsString(Args) << "-O" << MaxOptLevel; + Opts.OptimizationLevel = MaxOptLevel; } - Opts.OptimizationLevel = OptLevel; // We must always run at least the always inlining pass. Opts.setInlining( |
