[build system] add tablegen patch

We need this patch to bypass the incorrect behaviour when running tablegen. View details in llvm-project issue #68166. Signed-off-by: Avimitin <[email protected]>
buddy-compiler · Nov 7, 2023 · d42244a · d42244a
1 parent 5f026ce
commit d42244a
Showing 1 changed file with 14 additions and 0 deletions.
diff --git a/nix/tblgen.patch b/nix/tblgen.patch
@@ -0,0 +1,14 @@
+diff --git a/llvm/utils/TableGen/GlobalISelEmitter.cpp b/llvm/utils/TableGen/GlobalISelEmitter.cpp
+index 8d9ded1b2ac5..e8765e8bc3c9 100644
+--- a/llvm/utils/TableGen/GlobalISelEmitter.cpp
++++ b/llvm/utils/TableGen/GlobalISelEmitter.cpp
+@@ -770,9 +770,6 @@ Expected<InstructionMatcher &> GlobalISelEmitter::createAndImportSelDAGMatcher(
+
+     if (Predicate.hasGISelPredicateCode()) {
+       if (Predicate.usesOperands()) {
+-        assert(WaitingForNamedOperands == 0 &&
+-               "previous predicate didn't find all operands or "
+-               "nested predicate that uses operands");
+         TreePattern *TP = Predicate.getOrigPatFragRecord();
+         WaitingForNamedOperands = TP->getNumArgs();
+         for (unsigned i = 0; i < WaitingForNamedOperands; ++i)