[llvm] c230138 - [SelectionDAG,TableGen] Use MapVector after #73310

[Fangrui Song via llvm-commits]

Author: Fangrui Song
Date: 2024-01-11T19:14:49-08:00
New Revision: c230138011cbf07ad7caf9d256ae9d0c5032a974

URL: https://github.com/llvm/llvm-project/commit/c230138011cbf07ad7caf9d256ae9d0c5032a974
DIFF: https://github.com/llvm/llvm-project/commit/c230138011cbf07ad7caf9d256ae9d0c5032a974.diff

LOG: [SelectionDAG,TableGen] Use MapVector after #73310

Otherwise `ComplexPatternList` order can be non-deterministic.

Added: 
    

Modified: 
    llvm/utils/TableGen/DAGISelMatcherEmitter.cpp

Removed: 
    


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diff  --git a/llvm/utils/TableGen/DAGISelMatcherEmitter.cpp b/llvm/utils/TableGen/DAGISelMatcherEmitter.cpp
index 4af136df974f05..0c2172063d2ba9 100644
--- a/llvm/utils/TableGen/DAGISelMatcherEmitter.cpp
+++ b/llvm/utils/TableGen/DAGISelMatcherEmitter.cpp
@@ -85,7 +85,7 @@ class MatcherTableEmitter {
   MatcherTableEmitter(const Matcher *TheMatcher, const CodeGenDAGPatterns &cgp)
       : CGP(cgp), OpcodeCounts(Matcher::HighestKind + 1, 0) {
     // Record the usage of ComplexPattern.
-    DenseMap<const ComplexPattern *, unsigned> ComplexPatternUsage;
+    MapVector<const ComplexPattern *, unsigned> ComplexPatternUsage;
     // Record the usage of PatternPredicate.
     std::map<StringRef, unsigned> PatternPredicateUsage;