================
@@ -866,6 +866,17 @@ void Flang::ConstructJob(Compilation &C, const JobAction
&JA,
}
}
+ // -fno-strict-overflow implies -fwrapv if it isn't disabled, but
+ // -fstrict-overflow won't turn off an explicitly enabled -fwrapv.
+ if (Arg *A = Args.getLastArg(options::OPT_fwrapv, options::OPT_fno_wrapv)) {
+ if (A->getOption().matches(options::OPT_fwrapv))
+ CmdArgs.push_back("-fwrapv");
+ } else if (Arg *A = Args.getLastArg(options::OPT_fstrict_overflow,
+ options::OPT_fno_strict_overflow)) {
+ if (A->getOption().matches(options::OPT_fno_strict_overflow))
+ CmdArgs.push_back("-fwrapv");
+ }
+
----------------
yus3710-fj wrote:
Thank you for showing me a better way.
I created a function `renderIntegerOverflowOptions` to handle common options
between clang and flang. However, I'm not sure the name of the function is
appropriate because there are other related options handled only by clang (e.g.
`-ftrapv`).
https://github.com/llvm/llvm-project/pull/110061
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