using namespace llvm;
-static cl:: opt<bool> DisableHardwareLoops("disable-hexagon-hwloops",
+
+static cl::opt<bool> EnableRDFOpt("rdf-opt", cl::Hidden, cl::ZeroOrMore,
+ cl::init(true), cl::desc("Enable RDF-based optimizations"));
+
+static cl::opt<bool> DisableHardwareLoops("disable-hexagon-hwloops",
cl::Hidden, cl::desc("Disable Hardware Loops for Hexagon target"));
static cl::opt<bool> DisableHexagonCFGOpt("disable-hexagon-cfgopt",
FunctionPass *createHexagonOptimizeSZextends();
FunctionPass *createHexagonPacketizer();
FunctionPass *createHexagonPeephole();
+ FunctionPass *createHexagonRDFOpt();
FunctionPass *createHexagonSplitConst32AndConst64();
FunctionPass *createHexagonSplitDoubleRegs();
FunctionPass *createHexagonStoreWidening();
}
void HexagonPassConfig::addPostRegAlloc() {
- if (getOptLevel() != CodeGenOpt::None)
+ if (getOptLevel() != CodeGenOpt::None) {
+ if (EnableRDFOpt)
+ addPass(createHexagonRDFOpt());
if (!DisableHexagonCFGOpt)
addPass(createHexagonCFGOptimizer(), false);
+ }
}
void HexagonPassConfig::addPreSched2() {