averello/swift-mirror
1
0
Fork 0
mirror of https://github.com/apple/swift.git synced 2025-12-14 20:36:38 +01:00
Code Issues Packages Projects Releases Wiki Activity

Add a flag -enable-default-cmo to enable default cross-module-optimization.

Browse Source 
So far, the swift-frontend decided by itself if CMO can be enabled. This caused problems when used with an old driver, which doesn't consider CMO.
Now, the driver decides when to use default CMO by passing this flag to swift-frontend.
This commit is contained in:
Erik Eckstein
2022-04-22 07:38:59 +02:00
parent 45acb912a9
commit abb2da88e6
6 changed files with 35 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
lib/Frontend/CompilerInvocation.cpp
View File

@@ -1745,7 +1745,11 @@ static bool ParseSILArgs(SILOptions &Opts, ArgList &Args,
OPT_enable_actor_data_race_checks,
OPT_disable_actor_data_race_checks, /*default=*/false);
Opts.DisableSILPerfOptimizations |= Args.hasArg(OPT_disable_sil_perf_optzns);
Opts.CrossModuleOptimization |= Args.hasArg(OPT_CrossModuleOptimization);
if (Args.hasArg(OPT_CrossModuleOptimization)) {
Opts.CMOMode = CrossModuleOptimizationMode::Aggressive;
} else if (Args.hasArg(OPT_EnbaleDefaultCMO)) {
Opts.CMOMode = CrossModuleOptimizationMode::Default;
}
Opts.EnablePerformanceAnnotations |=
Args.hasArg(OPT_ExperimentalPerformanceAnnotations);
Opts.VerifyAll |= Args.hasArg(OPT_sil_verify_all);