From: Craig Topper <craig.topper@gmail.com>
Date: Sun, 19 Jun 2016 15:37:30 +0000 (+0000)
Subject: [X86] Use SmallVector::assign instead of resize to ensure we really start with a... 
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=06be9d5f0873d3b3aab15af3f50f3389f69a67fd;p=llvm

[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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@273113 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 623ba20ecef..bebfbf28535 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -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)