Remove references to INSERT_SUBREG after de-SSA

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

diff --git a/lib/CodeGen/SimpleRegisterCoalescing.cpp b/lib/CodeGen/SimpleRegisterCoalescing.cpp
index e0b9f0c10f6a9432cccb9d0c22c5ceaca4e58e00..73db174117b7490cf38d03b4bbf9b0c7ce03bfbd 100644 (file)
--- a/lib/CodeGen/SimpleRegisterCoalescing.cpp
+++ b/lib/CodeGen/SimpleRegisterCoalescing.cpp
@@ -1523,12 +1523,7 @@ void SimpleRegisterCoalescing::CopyCoalesceInMBB(MachineBasicBlock *MBB,
     if (Inst->isCopy() || Inst->isExtractSubreg()) {
       DstReg = Inst->getOperand(0).getReg();
       SrcReg = Inst->getOperand(1).getReg();
-    } else if (Inst->isInsertSubreg()) {
-      DstReg = Inst->getOperand(0).getReg();
-      SrcReg = Inst->getOperand(2).getReg();
-      if (Inst->getOperand(1).isUndef())
-        isInsUndef = true;
-    } else if (Inst->isInsertSubreg() || Inst->isSubregToReg()) {
+    } else if (Inst->isSubregToReg()) {
       DstReg = Inst->getOperand(0).getReg();
       SrcReg = Inst->getOperand(2).getReg();
     } else if (!tii_->isMoveInstr(*Inst, SrcReg, DstReg, SrcSubIdx, DstSubIdx))