diff options
Diffstat (limited to 'lib/CodeGen')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index ac433cf341..462a384d0a 100644 --- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -4093,8 +4093,8 @@ SDOperand DAGCombiner::visitBR_CC(SDNode *N) { } -/// CombineToPreIndexedLoadStore - Try turning a load / store and a -/// pre-indexed load / store when the base pointer is a add or subtract +/// CombineToPreIndexedLoadStore - Try turning a load / store into a +/// pre-indexed load / store when the base pointer is an add or subtract /// and it has other uses besides the load / store. After the /// transformation, the new indexed load / store has effectively folded /// the add / subtract in and all of its other uses are redirected to the @@ -4215,7 +4215,7 @@ bool DAGCombiner::CombineToPreIndexedLoadStore(SDNode *N) { return true; } -/// CombineToPostIndexedLoadStore - Try combine a load / store with a +/// CombineToPostIndexedLoadStore - Try to combine a load / store with a /// add / sub of the base pointer node into a post-indexed load / store. /// The transformation folded the add / subtract into the new indexed /// load / store effectively and all of its uses are redirected to the @@ -4749,7 +4749,7 @@ SDOperand DAGCombiner::visitEXTRACT_VECTOR_ELT(SDNode *N) { Elt = (Idx < NumElems) ? Idx : Idx - NumElems; } } - if (!LN0 || !LN0->hasOneUse()) + if (!LN0 || !LN0->hasOneUse() || LN0->isVolatile()) return SDOperand(); unsigned Align = LN0->getAlignment(); |