[llvm] r269415 - [scan-build] fix dead store warnings emitted on LLVM Hexagon code base

[Krzysztof Parzyszek via llvm-commits]

Author: kparzysz
Date: Fri May 13 08:13:59 2016
New Revision: 269415

URL: http://llvm.org/viewvc/llvm-project?rev=269415&view=rev
Log:
[scan-build] fix dead store warnings emitted on LLVM Hexagon code base

Patch by Apelete Seketeli.

Differential Revision: http://reviews.llvm.org/D19900

Modified:
    llvm/trunk/lib/Target/Hexagon/HexagonCommonGEP.cpp
    llvm/trunk/lib/Target/Hexagon/HexagonFixupHwLoops.cpp
    llvm/trunk/lib/Target/Hexagon/MCTargetDesc/HexagonInstPrinter.cpp
    llvm/trunk/lib/Target/Hexagon/MCTargetDesc/HexagonMCShuffler.cpp

Modified: llvm/trunk/lib/Target/Hexagon/HexagonCommonGEP.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Hexagon/HexagonCommonGEP.cpp?rev=269415&r1=269414&r2=269415&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Hexagon/HexagonCommonGEP.cpp (original)
+++ llvm/trunk/lib/Target/Hexagon/HexagonCommonGEP.cpp Fri May 13 08:13:59 2016
@@ -212,7 +212,6 @@ namespace {
       if (Comma)
         OS << ',';
       OS << "used";
-      Comma = true;
     }
     OS << "} ";
     if (GN.Flags & GepNode::Root)

Modified: llvm/trunk/lib/Target/Hexagon/HexagonFixupHwLoops.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Hexagon/HexagonFixupHwLoops.cpp?rev=269415&r1=269414&r2=269415&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Hexagon/HexagonFixupHwLoops.cpp (original)
+++ llvm/trunk/lib/Target/Hexagon/HexagonFixupHwLoops.cpp Fri May 13 08:13:59 2016
@@ -130,7 +130,6 @@ bool HexagonFixupHwLoops::fixupLoopInstr
 
   // Second pass - check each loop instruction to see if it needs to be
   // converted.
-  InstOffset = 0;
   bool Changed = false;
   for (MachineBasicBlock &MBB : MF) {
     InstOffset = BlockToInstOffset[&MBB];

Modified: llvm/trunk/lib/Target/Hexagon/MCTargetDesc/HexagonInstPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Hexagon/MCTargetDesc/HexagonInstPrinter.cpp?rev=269415&r1=269414&r2=269415&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Hexagon/MCTargetDesc/HexagonInstPrinter.cpp (original)
+++ llvm/trunk/lib/Target/Hexagon/MCTargetDesc/HexagonInstPrinter.cpp Fri May 13 08:13:59 2016
@@ -79,7 +79,6 @@ void HexagonInstPrinter::printInst(const
   }
   if (HexagonMCInstrInfo::isOuterLoop(*MI)) {
     OS << Separator;
-    Separator = " ";
     MCInst ME;
     ME.setOpcode(Hexagon::ENDLOOP1);
     printInstruction(&ME, OS);

Modified: llvm/trunk/lib/Target/Hexagon/MCTargetDesc/HexagonMCShuffler.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Hexagon/MCTargetDesc/HexagonMCShuffler.cpp?rev=269415&r1=269414&r2=269415&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Hexagon/MCTargetDesc/HexagonMCShuffler.cpp (original)
+++ llvm/trunk/lib/Target/Hexagon/MCTargetDesc/HexagonMCShuffler.cpp Fri May 13 08:13:59 2016
@@ -180,7 +180,6 @@ llvm::HexagonMCShuffle(MCInstrInfo const
     if (MCS.size() == 1) {                     // case of one duplex
       // copy the created duplex in the shuffler to the bundle
       MCS.copyTo(MCB);
-      doneShuffling = true;
       return HexagonShuffler::SHUFFLE_SUCCESS;
     }
     // try shuffle with this duplex