[globalisel][tablegen] Fix non-determinism introduced in r299430.

This should fix the last issue on llvm-clang-x86_64-expensive-checks-win. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@299436 91177308-0d34-0410-b5e6-96231b3b80d8
stryku · Apr 4, 2017 · 62b3ad7 · 62b3ad7
1 parent 8eaecfe
commit 62b3ad7
Showing 1 changed file with 7 additions and 2 deletions.
diff --git a/utils/TableGen/GlobalISelEmitter.cpp b/utils/TableGen/GlobalISelEmitter.cpp
@@ -1011,9 +1011,14 @@ StringRef RuleMatcher::getInsnVarName(const InstructionMatcher &InsnMatcher) con
 
 /// Emit a C++ initializer_list containing references to every matched instruction.
 void RuleMatcher::emitCxxCapturedInsnList(raw_ostream &OS) {
-  OS << "{";
+  SmallVector<StringRef, 2> Names;
   for (const auto &Pair : InsnVariableNames)
-    OS << "&" << Pair.second << ", ";
+    Names.push_back(Pair.second);
+  std::sort(Names.begin(), Names.end());
+
+  OS << "{";
+  for (const auto &Name : Names)
+    OS << "&" << Name << ", ";
   OS << "}";
 }