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| author | Michael Kuperstein <mkuper@google.com> | 2016-12-30 01:03:17 +0000 |
|---|---|---|
| committer | Michael Kuperstein <mkuper@google.com> | 2016-12-30 01:03:17 +0000 |
| commit | 76e06c8858b144c80f8584e539eeb6b8786690e8 (patch) | |
| tree | e15578568e2e2979e49dcf3bad2bf2adabe5818b /llvm/lib/Transforms | |
| parent | cc76344ef5f2b5752759f92111efe00dd736a11e (diff) | |
| download | bcm5719-llvm-76e06c8858b144c80f8584e539eeb6b8786690e8.tar.gz bcm5719-llvm-76e06c8858b144c80f8584e539eeb6b8786690e8.zip | |
[LICM] When promoting scalars, allow inserting stores to thread-local allocas.
This is similar to the allocfn case - if an alloca is not captured, then it's
necessarily thread-local.
Differential Revision: https://reviews.llvm.org/D28170
llvm-svn: 290738
Diffstat (limited to 'llvm/lib/Transforms')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/LICM.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Scalar/LICM.cpp b/llvm/lib/Transforms/Scalar/LICM.cpp index 0f440f001f0..1cc5c8f0da8 100644 --- a/llvm/lib/Transforms/Scalar/LICM.cpp +++ b/llvm/lib/Transforms/Scalar/LICM.cpp @@ -1034,7 +1034,8 @@ bool llvm::promoteLoopAccessesToScalars( if (!SafeToInsertStore) { Value *Object = GetUnderlyingObject(SomePtr, MDL); SafeToInsertStore = - isAllocLikeFn(Object, TLI) && !PointerMayBeCaptured(Object, true, true); + (isAllocLikeFn(Object, TLI) || isa<AllocaInst>(Object)) && + !PointerMayBeCaptured(Object, true, true); } // If we've still failed to prove we can sink the store, give up. |
