[Hexagon] Generate "insert" instructions more aggressively

llvm-svn: 241683

1 files changed, 5 insertions, 1 deletions

diff --git a/llvm/lib/Target/Hexagon/HexagonTargetMachine.cpp b/llvm/lib/Target/Hexagon/HexagonTargetMachine.cpp
index a173a808783..10b809f51de 100644
--- a/llvm/lib/Target/Hexagon/HexagonTargetMachine.cpp
+++ b/llvm/lib/Target/Hexagon/HexagonTargetMachine.cpp
@@ -37,6 +37,8 @@ static cl::opt<bool> EnableExpandCondsets("hexagon-expand-condsets",
   cl::init(true), cl::Hidden, cl::ZeroOrMore,
   cl::desc("Early expansion of MUX"));
 
+static cl::opt<bool> EnableGenInsert("hexagon-insert", cl::init(true),
+  cl::Hidden, cl::desc("Generate \"insert\" instructions"));
 
 /// HexagonTargetMachineModule - Note that this is used on hosts that
 /// cannot link in a library unless there are references into the
@@ -64,12 +66,12 @@ namespace llvm {
   FunctionPass *createHexagonISelDag(HexagonTargetMachine &TM,
                                      CodeGenOpt::Level OptLevel);
   FunctionPass *createHexagonDelaySlotFillerPass(const TargetMachine &TM);
-  FunctionPass *createHexagonFPMoverPass(const TargetMachine &TM);
   FunctionPass *createHexagonRemoveExtendArgs(const HexagonTargetMachine &TM);
   FunctionPass *createHexagonCFGOptimizer();
 
   FunctionPass *createHexagonSplitConst32AndConst64();
   FunctionPass *createHexagonExpandPredSpillCode();
+  FunctionPass *createHexagonGenInsert();
   FunctionPass *createHexagonHardwareLoops();
   FunctionPass *createHexagonPeephole();
   FunctionPass *createHexagonFixupHwLoops();
@@ -146,6 +148,8 @@ bool HexagonPassConfig::addInstSelector() {
   if (!NoOpt) {
     addPass(createHexagonPeephole());
     printAndVerify("After hexagon peephole pass");
+    if (EnableGenInsert)
+      addPass(createHexagonGenInsert(), false);
   }
 
   return false;