Access the TargetLoweringInfo from the TargetMachine object instead of caching it. The TLI may change between functions. No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184360 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Hexagon/HexagonTargetMachine.cpp b/lib/Target/Hexagon/HexagonTargetMachine.cpp
index b113b35..cd96b58 100644
--- a/lib/Target/Hexagon/HexagonTargetMachine.cpp
+++ b/lib/Target/Hexagon/HexagonTargetMachine.cpp
@@ -126,7 +126,7 @@
 }
 
 bool HexagonPassConfig::addInstSelector() {
-  const HexagonTargetMachine &TM = getHexagonTargetMachine();
+  HexagonTargetMachine &TM = getHexagonTargetMachine();
   bool NoOpt = (getOptLevel() == CodeGenOpt::None);
 
   if (!NoOpt)