[llvm] r273113 - [X86] Use SmallVector::assign instead of resize to ensure we really start with a vector of all -1s. Otherwise we're trusting the caller to pass the right thing.

[Craig Topper via llvm-commits]

Author: ctopper
Date: Sun Jun 19 10:37:30 2016
New Revision: 273113

URL: http://llvm.org/viewvc/llvm-project?rev=273113&view=rev
Log:
[X86] Use SmallVector::assign instead of resize to ensure we really start with a vector of all -1s. Otherwise we're trusting the caller to pass the right thing.

This should be no functional change with current code.

Modified:
    llvm/trunk/lib/Target/X86/X86ISelLowering.cpp

Modified: llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ISelLowering.cpp?rev=273113&r1=273112&r2=273113&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86ISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86ISelLowering.cpp Sun Jun 19 10:37:30 2016
@@ -7065,7 +7065,7 @@ static bool
 is128BitLaneRepeatedShuffleMask(MVT VT, ArrayRef<int> Mask,
                                 SmallVectorImpl<int> &RepeatedMask) {
   int LaneSize = 128 / VT.getScalarSizeInBits();
-  RepeatedMask.resize(LaneSize, -1);
+  RepeatedMask.assign(LaneSize, -1);
   int Size = Mask.size();
   for (int i = 0; i < Size; ++i) {
     if (Mask[i] < 0)