Remove many calls to TII::isMoveInstr. Targets should be producing COPY anyway.

[oota-llvm.git] / lib / CodeGen / PreAllocSplitting.cpp

diff --git a/lib/CodeGen/PreAllocSplitting.cpp b/lib/CodeGen/PreAllocSplitting.cpp
index fb2f90935551c6c43900ec69a15522ae3047b43c..4cbd53a834ebd21ddcac14a42a2c779dce52adf5 100644 (file)
--- a/lib/CodeGen/PreAllocSplitting.cpp
+++ b/lib/CodeGen/PreAllocSplitting.cpp
@@ -676,11 +676,7 @@ void PreAllocSplitting::ReconstructLiveInterval(LiveInterval* LI) {
     VNInfo* NewVN = LI->getNextValue(DefIdx, 0, true, Alloc);
     
     // If the def is a move, set the copy field.
-    unsigned SrcReg, DstReg, SrcSubIdx, DstSubIdx;
-    if (TII->isMoveInstr(*DI, SrcReg, DstReg, SrcSubIdx, DstSubIdx)) {
-      if (DstReg == LI->reg)
-        NewVN->setCopy(&*DI);
-    } else if (DI->isCopyLike() && DI->getOperand(0).getReg() == LI->reg)
+    if (DI->isCopyLike() && DI->getOperand(0).getReg() == LI->reg)
       NewVN->setCopy(&*DI);
 
     NewVNs[&*DI] = NewVN;