diff options
Diffstat (limited to 'lib')
-rw-r--r-- | lib/Transforms/Scalar/ScalarReplAggregates.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/Transforms/Scalar/ScalarReplAggregates.cpp b/lib/Transforms/Scalar/ScalarReplAggregates.cpp index b3338676ce..441b448c01 100644 --- a/lib/Transforms/Scalar/ScalarReplAggregates.cpp +++ b/lib/Transforms/Scalar/ScalarReplAggregates.cpp @@ -721,7 +721,9 @@ void SROA::RewriteMemIntrinUserOfAlloca(MemIntrinsic *MI, Instruction *BCInst, SmallVector<AllocaInst*, 32> &NewElts) { // If this is a memcpy/memmove, construct the other pointer as the - // appropriate type. The "Other" pointer is the pointer that goes to + // appropriate type. The "Other" pointer is the pointer that goes to memory + // that doesn't have anything to do with the alloca that we are promoting. For + // memset, this Value* stays null. Value *OtherPtr = 0; unsigned MemAlignment = MI->getAlignment()->getZExtValue(); if (MemCpyInst *MCI = dyn_cast<MemCpyInst>(MI)) { |