[llvm] r325359 - Fix signed/unsigned comparison warning. NFCI.

[Simon Pilgrim via llvm-commits]

Author: rksimon
Date: Fri Feb 16 08:52:50 2018
New Revision: 325359

URL: http://llvm.org/viewvc/llvm-project?rev=325359&view=rev
Log:
Fix signed/unsigned comparison warning. NFCI.

Modified:
    llvm/trunk/lib/CodeGen/SelectionDAG/TargetLowering.cpp

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/TargetLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/TargetLowering.cpp?rev=325359&r1=325358&r2=325359&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/TargetLowering.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/TargetLowering.cpp Fri Feb 16 08:52:50 2018
@@ -1462,7 +1462,7 @@ bool TargetLowering::SimplifyDemandedVec
     bool Updated = false;
     bool IdentityLHS = true, IdentityRHS = true;
     SmallVector<int, 32> NewMask(ShuffleMask.begin(), ShuffleMask.end());
-    for (int i = 0; i != NumElts; ++i) {
+    for (unsigned i = 0; i != NumElts; ++i) {
       int &M = NewMask[i];
       if (M < 0)
         continue;
@@ -1471,8 +1471,8 @@ bool TargetLowering::SimplifyDemandedVec
         Updated = true;
         M = -1;
       }
-      IdentityLHS &= (M < 0) || (M == i);
-      IdentityRHS &= (M < 0) || ((M - NumElts) == i);
+      IdentityLHS &= (M < 0) || (M == (int)i);
+      IdentityRHS &= (M < 0) || ((M - NumElts) == (int)i);
     }
 
     // Update legal shuffle masks based on demanded elements if it won't reduce