================
@@ -978,6 +979,24 @@ NumericLiteralParser::NumericLiteralParser(StringRef
TokSpelling,
// we break out of the loop.
for (; s != ThisTokEnd; ++s) {
switch (*s) {
+ case 'b': // FP Suffix for "__bf16"
+ case 'B':
+ if (!Target.hasBFloat16Type())
+ break;
+ if (!isFPConstant)
+ break; // Error for integer constant.
+ if (HasSize)
+ break;
+ HasSize = true;
+
+ if (s + 3 < ThisTokEnd &&
+ ((s[0] == 'b' && s[1] == 'f') || (s[0] == 'B' && s[1] == 'F')) &&
+ s[2] == '1' && s[3] == '6') {
+ s += 3; // success, eat up 3 characters.
+ isBFloat16 = true;
+ continue;
+ }
+ break;
----------------
cor3ntin wrote:
This is true for C++23. Do we want extension warnings in other language modes
@AaronBallman?
As an aside, did anyone benchmark that the pattern we use in this function is
actually faster than string_view
comparisons?
https://github.com/llvm/llvm-project/pull/134214
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