================
@@ -142,6 +142,26 @@ void Flang::addCodegenOptions(const ArgList &Args,
if (shouldLoopVersion(Args))
CmdArgs.push_back("-fversion-loops-for-stride");
+ Arg *aliasAnalysis = Args.getLastArg(options::OPT_falias_analysis,
+ options::OPT_fno_alias_analysis);
+ Arg *optLevel =
+ Args.getLastArg(options::OPT_Ofast, options::OPT_O, options::OPT_O4);
+ if (aliasAnalysis) {
+ bool falias_analysis =
+ aliasAnalysis->getOption().matches(options::OPT_falias_analysis);
+ // only pass on the argument if it does not match that implied by the
+ // optimization level
+ if (optLevel) {
+ if (!falias_analysis) {
+ CmdArgs.push_back("-fno-alias-analysis");
+ }
+ } else {
----------------
banach-space wrote:
```suggestion
if (optLevel && !falias_analysis) {
CmdArgs.push_back("-fno-alias-analysis");
}
```
?
https://github.com/llvm/llvm-project/pull/73111
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