[clang] Fix invalid comparator in tablegen
Summary: The current version of the comparator does not introduce a strict weak ordering.
Reviewers: fowles, bkramer, sdesmalen
Reviewed By: sdesmalen
Subscribers: cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D78323
diff --git a/clang/utils/TableGen/SveEmitter.cpp b/clang/utils/TableGen/SveEmitter.cpp
index 79258a8..8ef6561 100644
--- a/clang/utils/TableGen/SveEmitter.cpp
+++ b/clang/utils/TableGen/SveEmitter.cpp
@@ -33,6 +33,7 @@
#include <sstream>
#include <set>
#include <cctype>
+#include <tuple>
using namespace llvm;
@@ -909,9 +910,10 @@
std::stable_sort(
Defs.begin(), Defs.end(), [](const std::unique_ptr<Intrinsic> &A,
const std::unique_ptr<Intrinsic> &B) {
- return A->getGuard() < B->getGuard() ||
- (unsigned)A->getClassKind() < (unsigned)B->getClassKind() ||
- A->getName() < B->getName();
+ auto ToTuple = [](const std::unique_ptr<Intrinsic> &I) {
+ return std::make_tuple(I->getGuard(), (unsigned)I->getClassKind(), I->getName());
+ };
+ return ToTuple(A) < ToTuple(B);
});
StringRef InGuard = "";