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| author | Alina Sbirlea <asbirlea@google.com> | 2019-09-04 19:16:04 +0000 |
|---|---|---|
| committer | Alina Sbirlea <asbirlea@google.com> | 2019-09-04 19:16:04 +0000 |
| commit | 6da79ce1fed52f828b5e5d2e3d274ef1692f17af (patch) | |
| tree | 4df24bc3a910760d457ae845d3e267be49293064 /llvm/lib/Transforms/Utils/LoopUtils.cpp | |
| parent | a7a3b3aa430bef2605bb5c73a9ee79fcbff7a229 (diff) | |
| download | llvm-6da79ce1fed52f828b5e5d2e3d274ef1692f17af.zip llvm-6da79ce1fed52f828b5e5d2e3d274ef1692f17af.tar.gz llvm-6da79ce1fed52f828b5e5d2e3d274ef1692f17af.tar.bz2 | |
[MemorySSA] Re-enable MemorySSA use.
Differential Revision: https://reviews.llvm.org/D58311
llvm-svn: 370957
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. |