[polly] r305674 - [CodeGen] Deterministic aliasing metadata order. NFC.

[Michael Kruse via llvm-commits]

Author: meinersbur
Date: Mon Jun 19 05:19:23 2017
New Revision: 305674

URL: http://llvm.org/viewvc/llvm-project?rev=305674&view=rev
Log:
[CodeGen] Deterministic aliasing metadata order. NFC.

Replace DenseMap by a MapVector to enure that aliasing metadata is
always emitted in the same order.

Modified:
    polly/trunk/include/polly/CodeGen/IRBuilder.h

Modified: polly/trunk/include/polly/CodeGen/IRBuilder.h
URL: http://llvm.org/viewvc/llvm-project/polly/trunk/include/polly/CodeGen/IRBuilder.h?rev=305674&r1=305673&r2=305674&view=diff
==============================================================================
--- polly/trunk/include/polly/CodeGen/IRBuilder.h (original)
+++ polly/trunk/include/polly/CodeGen/IRBuilder.h Mon Jun 19 05:19:23 2017
@@ -15,6 +15,7 @@
 #ifndef POLLY_CODEGEN_IRBUILDER_H
 #define POLLY_CODEGEN_IRBUILDER_H
 
+#include "llvm/ADT/MapVector.h"
 #include "llvm/Analysis/LoopInfo.h"
 #include "llvm/IR/IRBuilder.h"
 #include "llvm/IR/ValueMap.h"
@@ -107,7 +108,7 @@ private:
   llvm::MDNode *AliasScopeDomain;
 
   /// A map from base pointers to its alias scope.
-  llvm::DenseMap<llvm::AssertingVH<llvm::Value>, llvm::MDNode *> AliasScopeMap;
+  llvm::MapVector<llvm::AssertingVH<llvm::Value>, llvm::MDNode *> AliasScopeMap;
 
   /// A map from base pointers to an alias scope list of other pointers.
   llvm::DenseMap<llvm::AssertingVH<llvm::Value>, llvm::MDNode *>