================
@@ -37,8 +37,18 @@ bool RootSignatureParser::parse() {
// Iterate as many RootSignatureElements as possible, until we hit the
// end of the stream
bool HadError = false;
+ bool HasRootFlags = false;
while (!peekExpectedToken(TokenKind::end_of_stream)) {
if (tryConsumeExpectedToken(TokenKind::kw_RootFlags)) {
+ if (HasRootFlags) {
+ reportDiag(diag::err_hlsl_rootsig_repeat_param)
+ << TokenKind::kw_RootFlags;
+ HadError = true;
+ skipUntilExpectedToken(RootElementKeywords);
+ continue;
+ }
+ HasRootFlags = true;
----------------
joaosaffran wrote:
nit: This doesn't seem related to this change, is it checking if we are
defining multiple `RootFlags` in a root signature?
https://github.com/llvm/llvm-project/pull/156754
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