Disable optnone function attribute:

Allows dynamic opt level setting to have an effect on functions!
2019-01-09 18:47:49 +01:00 · 2019-01-09 18:47:49 +01:00 · a2cd159178
commit a2cd159178
parent 2849a2ab73
1 changed files with 1 additions and 0 deletions
--- a/lib/Interpreter/CIFactory.cpp
+++ b/lib/Interpreter/CIFactory.cpp
@ -1197,6 +1197,7 @@ static void stringifyPreprocSetting(PreprocessorOptions& PPOpts,
    CGOpts.UnrollLoops = 1;
    CGOpts.VectorizeLoop = 1;
    CGOpts.VectorizeSLP = 1;
+    CGOpts.DisableO0ImplyOptNone = 1; // Enable dynamic opt level switching.

    CGOpts.setInlining((CGOpts.OptimizationLevel == 0)
                       ? CodeGenOptions::OnlyAlwaysInlining