diff options
| -rw-r--r-- | lib/Target/X86/X86ISelDAGToDAG.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/Target/X86/X86ISelDAGToDAG.cpp b/lib/Target/X86/X86ISelDAGToDAG.cpp index a37a082ba8..a9a78be3e3 100644 --- a/lib/Target/X86/X86ISelDAGToDAG.cpp +++ b/lib/Target/X86/X86ISelDAGToDAG.cpp @@ -50,6 +50,9 @@ #include "llvm/ADT/Statistic.h" using namespace llvm; +#include "llvm/Support/CommandLine.h" +static cl::opt<bool> AvoidDupAddrCompute("x86-avoid-dup-address", cl::Hidden); + STATISTIC(NumLoadMoved, "Number of loads moved below TokenFactor"); //===----------------------------------------------------------------------===// @@ -1273,7 +1276,7 @@ bool X86DAGToDAGISel::SelectAddr(SDValue Op, SDValue N, SDValue &Base, SDValue &Disp, SDValue &Segment) { X86ISelAddressMode AM; bool Done = false; - if (!N.hasOneUse()) { + if (AvoidDupAddrCompute && !N.hasOneUse()) { unsigned Opcode = N.getOpcode(); if (Opcode != ISD::Constant && Opcode != ISD::FrameIndex && Opcode != X86ISD::Wrapper && Opcode != X86ISD::WrapperRIP) { |