diff options
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp')
-rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp index 7a3ea86e8c9..b684619776f 100644 --- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp @@ -752,7 +752,7 @@ bool SelectionDAGISel::TryToFoldFastISelLoad(const LoadInst *LI, // isn't one of the folded instructions, then we can't succeed here. Handle // this by scanning the single-use users of the load until we get to FoldInst. unsigned MaxUsers = 6; // Don't scan down huge single-use chains of instrs. - + const Instruction *TheUser = LI->use_back(); while (TheUser != FoldInst && // Scan up until we find FoldInst. // Stay in the right block. @@ -761,15 +761,15 @@ bool SelectionDAGISel::TryToFoldFastISelLoad(const LoadInst *LI, // If there are multiple or no uses of this instruction, then bail out. if (!TheUser->hasOneUse()) return false; - + TheUser = TheUser->use_back(); } - + // If we didn't find the fold instruction, then we failed to collapse the // sequence. if (TheUser != FoldInst) return false; - + // Don't try to fold volatile loads. Target has to deal with alignment // constraints. if (LI->isVolatile()) return false; |