[llvm] r316927 - [MC] Split out register def/use idx calls to make debugging simpler. NFCI.

[Simon Pilgrim via llvm-commits]

Author: rksimon
Date: Mon Oct 30 10:24:40 2017
New Revision: 316927

URL: http://llvm.org/viewvc/llvm-project?rev=316927&view=rev
Log:
[MC] Split out register def/use idx calls to make debugging simpler. NFCI.

Modified:
    llvm/trunk/lib/CodeGen/MachineCombiner.cpp

Modified: llvm/trunk/lib/CodeGen/MachineCombiner.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/MachineCombiner.cpp?rev=316927&r1=316926&r2=316927&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/MachineCombiner.cpp (original)
+++ llvm/trunk/lib/CodeGen/MachineCombiner.cpp Mon Oct 30 10:24:40 2017
@@ -161,9 +161,10 @@ MachineCombiner::getDepth(SmallVectorImp
         assert(DefInstr &&
                "There must be a definition for a new virtual register");
         DepthOp = InstrDepth[II->second];
-        LatencyOp = TSchedModel.computeOperandLatency(
-            DefInstr, DefInstr->findRegisterDefOperandIdx(MO.getReg()),
-            InstrPtr, InstrPtr->findRegisterUseOperandIdx(MO.getReg()));
+        int DefIdx = DefInstr->findRegisterDefOperandIdx(MO.getReg());
+        int UseIdx = InstrPtr->findRegisterUseOperandIdx(MO.getReg());
+        LatencyOp = TSchedModel.computeOperandLatency(DefInstr, DefIdx,
+                                                      InstrPtr, UseIdx);
       } else {
         MachineInstr *DefInstr = getOperandDef(MO);
         if (DefInstr) {