[clang] bccf2c8 - [clang][RISCV] Fix the condition of checking signature in getIndex (#67403)

[via cfe-commits]

Author: Jianjian Guan
Date: 2023-10-11T14:55:52+08:00
New Revision: bccf2c8468e2f364f8c364d613ffb78d61b67ceb

URL: https://github.com/llvm/llvm-project/commit/bccf2c8468e2f364f8c364d613ffb78d61b67ceb
DIFF: https://github.com/llvm/llvm-project/commit/bccf2c8468e2f364f8c364d613ffb78d61b67ceb.diff

LOG: [clang][RISCV] Fix the condition of checking signature in getIndex (#67403)

The current condition causes assert failing if try to add a new vendor
vector file which only contains the same type signature.

Added: 
    

Modified: 
    clang/utils/TableGen/RISCVVEmitter.cpp

Removed: 
    


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diff  --git a/clang/utils/TableGen/RISCVVEmitter.cpp b/clang/utils/TableGen/RISCVVEmitter.cpp
index 41025926058ed07..c08e48b3f44dfe3 100644
--- a/clang/utils/TableGen/RISCVVEmitter.cpp
+++ b/clang/utils/TableGen/RISCVVEmitter.cpp
@@ -290,7 +290,7 @@ unsigned SemaSignatureTable::getIndex(ArrayRef<PrototypeDescriptor> Signature) {
     return 0;
 
   // Checking Signature already in table or not.
-  if (Signature.size() < SignatureTable.size()) {
+  if (Signature.size() <= SignatureTable.size()) {
     size_t Bound = SignatureTable.size() - Signature.size() + 1;
     for (size_t Index = 0; Index < Bound; ++Index) {
       if (equal(Signature.begin(), Signature.end(),