[llvm] r326000 - [MemorySSA] Remove a redundant dyn_cast.
George Burgess IV via llvm-commits
llvm-commits at lists.llvm.org
Fri Feb 23 16:15:21 PST 2018
Author: gbiv
Date: Fri Feb 23 16:15:21 2018
New Revision: 326000
URL: http://llvm.org/viewvc/llvm-project?rev=326000&view=rev
Log:
[MemorySSA] Remove a redundant dyn_cast.
StartingAccess is a MemoryUseOrDef. No need to check again.
Modified:
llvm/trunk/lib/Analysis/MemorySSA.cpp
Modified: llvm/trunk/lib/Analysis/MemorySSA.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/MemorySSA.cpp?rev=326000&r1=325999&r2=326000&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/MemorySSA.cpp (original)
+++ llvm/trunk/lib/Analysis/MemorySSA.cpp Fri Feb 23 16:15:21 2018
@@ -2029,9 +2029,8 @@ MemorySSA::CachingWalker::getClobberingM
// If this is an already optimized use or def, return the optimized result.
// Note: Currently, we do not store the optimized def result because we'd need
// a separate field, since we can't use it as the defining access.
- if (auto *MUD = dyn_cast<MemoryUseOrDef>(StartingAccess))
- if (MUD->isOptimized())
- return MUD->getOptimized();
+ if (StartingAccess->isOptimized())
+ return StartingAccess->getOptimized();
const Instruction *I = StartingAccess->getMemoryInst();
UpwardsMemoryQuery Q(I, StartingAccess);
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