commit 013fd7315ff206c42ae30bb115493e0583235bb3
author George Burgess IV <george.burgess.iv@gmail.com> Fri Oct 28 19:22:46 2016 +0000
committer George Burgess IV <george.burgess.iv@gmail.com> Fri Oct 28 19:22:46 2016 +0000
tree 0e29be0d9ad2ba655ab23b423fe842d44d58978e
parent 6200b2b67e51f810cfe58919b128c97e196c5482

[MemorySSA] Add const to getClobberingMemoryAccess.

Thanks to bryant for the patch!

Differential Revision: https://reviews.llvm.org/D26086

llvm-svn: 285432

llvm/lib/Transforms/Utils/MemorySSA.cpp

diff --git a/llvm/lib/Transforms/Utils/MemorySSA.cpp b/llvm/lib/Transforms/Utils/MemorySSA.cpp
index 5eb0453..c71b72a 100644
--- a/llvm/lib/Transforms/Utils/MemorySSA.cpp
+++ b/llvm/lib/Transforms/Utils/MemorySSA.cpp
@@ -1097,7 +1097,7 @@
   using MemorySSAWalker::getClobberingMemoryAccess;
   MemoryAccess *getClobberingMemoryAccess(MemoryAccess *) override;
   MemoryAccess *getClobberingMemoryAccess(MemoryAccess *,
-                                          MemoryLocation &) override;
+                                          const MemoryLocation &) override;
   void invalidateInfo(MemoryAccess *) override;
 
   /// Whether we call resetClobberWalker() after each time we *actually* walk to
@@ -2163,7 +2163,7 @@
 }
 
 MemoryAccess *MemorySSA::CachingWalker::getClobberingMemoryAccess(
-    MemoryAccess *StartingAccess, MemoryLocation &Loc) {
+    MemoryAccess *StartingAccess, const MemoryLocation &Loc) {
   if (isa<MemoryPhi>(StartingAccess))
     return StartingAccess;
 
@@ -2266,7 +2266,7 @@
 }
 
 MemoryAccess *DoNothingMemorySSAWalker::getClobberingMemoryAccess(
-    MemoryAccess *StartingAccess, MemoryLocation &) {
+    MemoryAccess *StartingAccess, const MemoryLocation &) {
   if (auto *Use = dyn_cast<MemoryUseOrDef>(StartingAccess))
     return Use->getDefiningAccess();
   return StartingAccess;