+
+ FastMathFlags EatFastMathFlagsIfPresent() {
+ FastMathFlags FMF;
+ while (true)
+ switch (Lex.getKind()) {
+ case lltok::kw_fast: FMF.UnsafeAlgebra = true; Lex.Lex(); continue;
+ case lltok::kw_nnan: FMF.NoNaNs = true; Lex.Lex(); continue;
+ case lltok::kw_ninf: FMF.NoInfs = true; Lex.Lex(); continue;
+ case lltok::kw_nsz: FMF.NoSignedZeros = true; Lex.Lex(); continue;
+ case lltok::kw_arcp: FMF.AllowReciprocal = true; Lex.Lex(); continue;
+ default: return FMF;
+ }
+ return FMF;
+ }
+