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| author | Alina Sbirlea <asbirlea@google.com> | 2019-09-03 19:28:37 +0000 |
|---|---|---|
| committer | Alina Sbirlea <asbirlea@google.com> | 2019-09-03 19:28:37 +0000 |
| commit | e331d50534a8fcf6bf2bb339bd2c5025e9caec26 (patch) | |
| tree | 5cbd8c170062909c2e009a770bb64166f4f6e297 /llvm/lib/Transforms/Utils/LoopUtils.cpp | |
| parent | 1bea97c971d60f261f1bdfaa7b6d9cb30a6962fd (diff) | |
| download | llvm-e331d50534a8fcf6bf2bb339bd2c5025e9caec26.zip llvm-e331d50534a8fcf6bf2bb339bd2c5025e9caec26.tar.gz llvm-e331d50534a8fcf6bf2bb339bd2c5025e9caec26.tar.bz2 | |
[MemorySSA] Re-enable MemorySSA use.
Differential Revision: https://reviews.llvm.org/D58311
llvm-svn: 370811
Diffstat (limited to 'llvm/lib/Transforms/Utils/LoopUtils.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/LoopUtils.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Utils/LoopUtils.cpp b/llvm/lib/Transforms/Utils/LoopUtils.cpp index 4c6c2ed..b4d7f35 100644 --- a/llvm/lib/Transforms/Utils/LoopUtils.cpp +++ b/llvm/lib/Transforms/Utils/LoopUtils.cpp @@ -19,6 +19,7 @@ #include "llvm/Analysis/InstructionSimplify.h" #include "llvm/Analysis/LoopInfo.h" #include "llvm/Analysis/LoopPass.h" +#include "llvm/Analysis/MemorySSA.h" #include "llvm/Analysis/MemorySSAUpdater.h" #include "llvm/Analysis/MustExecute.h" #include "llvm/Analysis/ScalarEvolution.h" @@ -170,6 +171,8 @@ void llvm::getLoopAnalysisUsage(AnalysisUsage &AU) { AU.addPreserved<SCEVAAWrapperPass>(); AU.addRequired<ScalarEvolutionWrapperPass>(); AU.addPreserved<ScalarEvolutionWrapperPass>(); + // FIXME: When all loop passes preserve MemorySSA, it can be required and + // preserved here instead of the individual handling in each pass. } /// Manually defined generic "LoopPass" dependency initialization. This is used @@ -190,6 +193,7 @@ void llvm::initializeLoopPassPass(PassRegistry &Registry) { INITIALIZE_PASS_DEPENDENCY(GlobalsAAWrapperPass) INITIALIZE_PASS_DEPENDENCY(SCEVAAWrapperPass) INITIALIZE_PASS_DEPENDENCY(ScalarEvolutionWrapperPass) + INITIALIZE_PASS_DEPENDENCY(MemorySSAWrapperPass) } /// Create MDNode for input string. |