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List: llvm-commits
Subject: [llvm] r277308 - Comment fixes to MemorySSA.h
From: Daniel Berlin via llvm-commits <llvm-commits () lists ! llvm ! org>
Date: 2016-07-31 21:08:11
Message-ID: 20160731210811.450802A6C053 () llvm ! org
[Download RAW message or body]
Author: dannyb
Date: Sun Jul 31 16:08:10 2016
New Revision: 277308
URL: http://llvm.org/viewvc/llvm-project?rev=277308&view=rev
Log:
Comment fixes to MemorySSA.h
Modified:
llvm/trunk/include/llvm/Transforms/Utils/MemorySSA.h
llvm/trunk/unittests/Transforms/Utils/MemorySSA.cpp
Modified: llvm/trunk/include/llvm/Transforms/Utils/MemorySSA.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Transforms/Utils/MemorySSA.h?rev=277308&r1=277307&r2=277308&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Transforms/Utils/MemorySSA.h (original)
+++ llvm/trunk/include/llvm/Transforms/Utils/MemorySSA.h Sun Jul 31 16:08:10 2016
@@ -534,7 +534,9 @@ public:
return It == PerBlockAccesses.end() ? nullptr : It->second.get();
}
- /// \brief Create an empty MemoryPhi in MemorySSA
+ /// \brief Create an empty MemoryPhi in MemorySSA for a given basic block.
+ /// Only one MemoryPhi for a block exists at a time, so this function will
+ /// assert if you try to create one where it already exists.
MemoryPhi *createMemoryPhi(BasicBlock *BB);
enum InsertionPlace { Beginning, End };
Modified: llvm/trunk/unittests/Transforms/Utils/MemorySSA.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/unittests/Transforms/Utils/MemorySSA.cpp?rev=277308&r1=277307&r2=277308&view=diff
==============================================================================
--- llvm/trunk/unittests/Transforms/Utils/MemorySSA.cpp (original)
+++ llvm/trunk/unittests/Transforms/Utils/MemorySSA.cpp Sun Jul 31 16:08:10 2016
@@ -67,7 +67,7 @@ public:
TEST_F(MemorySSATest, CreateALoadAndPhi) {
// We create a diamond where there is a store on one side, and then after
- // running memory ssa, create a load after the merge point, and use it to test
+ // building MemorySSA, create a load after the merge point, and use it to test
// updating by creating an access for the load and a memoryphi.
F = Function::Create(
FunctionType::get(B.getVoidTy(), {B.getInt8PtrTy()}, false),
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