diff options
| author | Eli Friedman <eli.friedman@gmail.com> | 2011-09-13 01:28:59 +0000 |
|---|---|---|
| committer | Eli Friedman <eli.friedman@gmail.com> | 2011-09-13 01:28:59 +0000 |
| commit | 1582e7f1e255c19595f82cb447e52869196dec58 (patch) | |
| tree | 1c7a26f5013b5213b7fe8104cc0ee171f8e78109 /lib/Transforms | |
| parent | 5ac7c7da3ebfd1aa95226aeefb8cfa3ba34fd72a (diff) | |
| download | llvm-1582e7f1e255c19595f82cb447e52869196dec58.tar.gz llvm-1582e7f1e255c19595f82cb447e52869196dec58.tar.bz2 llvm-1582e7f1e255c19595f82cb447e52869196dec58.tar.xz | |
Add comment to clarify the behavior of a helper in DSE.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139571 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms')
| -rw-r--r-- | lib/Transforms/Scalar/DeadStoreElimination.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/Transforms/Scalar/DeadStoreElimination.cpp b/lib/Transforms/Scalar/DeadStoreElimination.cpp index 2267320ce9..ffa77098bc 100644 --- a/lib/Transforms/Scalar/DeadStoreElimination.cpp +++ b/lib/Transforms/Scalar/DeadStoreElimination.cpp @@ -159,6 +159,8 @@ static bool hasMemoryWrite(Instruction *I) { } /// getLocForWrite - Return a Location stored to by the specified instruction. +/// If isRemovable returns true, this function and getLocForRead completely +/// describe the memory operations for this instruction. static AliasAnalysis::Location getLocForWrite(Instruction *Inst, AliasAnalysis &AA) { if (StoreInst *SI = dyn_cast<StoreInst>(Inst)) |