[llvm] 31262d6 - [NVPTX] Fixes -Wrange-loop-analysis warnings

[Mark de Wever via llvm-commits]

Author: Mark de Wever
Date: 2019-12-22T19:27:44+01:00
New Revision: 31262d6722c7ae6a9966a76064af43e5b3a8df71

URL: https://github.com/llvm/llvm-project/commit/31262d6722c7ae6a9966a76064af43e5b3a8df71
DIFF: https://github.com/llvm/llvm-project/commit/31262d6722c7ae6a9966a76064af43e5b3a8df71.diff

LOG: [NVPTX] Fixes -Wrange-loop-analysis warnings

This avoids new warnings due to D68912 adds -Wrange-loop-analysis to -Wall.

Also removed the top-level const as requested by Aaron Ballman in similar
patches.

Differential Revision: https://reviews.llvm.org/D71812

Added: 
    

Modified: 
    llvm/lib/Target/NVPTX/NVPTXISelDAGToDAG.cpp

Removed: 
    


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diff  --git a/llvm/lib/Target/NVPTX/NVPTXISelDAGToDAG.cpp b/llvm/lib/Target/NVPTX/NVPTXISelDAGToDAG.cpp
index ca3eda284850..4296eca6a8df 100644
--- a/llvm/lib/Target/NVPTX/NVPTXISelDAGToDAG.cpp
+++ b/llvm/lib/Target/NVPTX/NVPTXISelDAGToDAG.cpp
@@ -612,7 +612,7 @@ bool NVPTXDAGToDAGISel::tryEXTRACT_VECTOR_ELEMENT(SDNode *N) {
 
   // Find and record all uses of this vector that extract element 0 or 1.
   SmallVector<SDNode *, 4> E0, E1;
-  for (const auto &U : Vector.getNode()->uses()) {
+  for (auto U : Vector.getNode()->uses()) {
     if (U->getOpcode() != ISD::EXTRACT_VECTOR_ELT)
       continue;
     if (U->getOperand(0) != Vector)