#include "llvm/CodeGen/Passes.h"
#include "llvm/Analysis/Passes.h"
-#include "llvm/Analysis/Verifier.h"
#include "llvm/CodeGen/GCStrategy.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/RegAllocRegistry.h"
#include "llvm/IR/IRPrintingPasses.h"
+#include "llvm/IR/Verifier.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/PassManager.h"
#include "llvm/Support/CommandLine.h"
OptimizeRegAlloc("optimize-regalloc", cl::Hidden,
cl::desc("Enable optimized register allocation compilation path."));
static cl::opt<cl::boolOrDefault>
-EnableMachineSched("enable-misched", cl::Hidden,
+EnableMachineSched("enable-misched",
cl::desc("Enable the machine instruction scheduling pass."));
static cl::opt<bool> DisablePostRAMachineLICM("disable-postra-machine-licm",
cl::Hidden,
cl::desc("Disable Machine Sinking"));
static cl::opt<bool> DisableLSR("disable-lsr", cl::Hidden,
cl::desc("Disable Loop Strength Reduction Pass"));
+static cl::opt<bool> DisableConstantHoisting("disable-constant-hoisting",
+ cl::Hidden, cl::desc("Disable ConstantHoisting"));
static cl::opt<bool> DisableCGP("disable-cgp", cl::Hidden,
cl::desc("Disable Codegen Prepare"));
static cl::opt<bool> DisableCopyProp("disable-copyprop", cl::Hidden,
if (getOptLevel() != CodeGenOpt::None && !DisableLSR) {
addPass(createLoopStrengthReducePass());
if (PrintLSR)
- addPass(createPrintFunctionPass("\n\n*** Code after LSR ***\n", &dbgs()));
+ addPass(createPrintFunctionPass(dbgs(), "\n\n*** Code after LSR ***\n"));
}
addPass(createGCLoweringPass());
// Make sure that no unreachable blocks are instruction selected.
addPass(createUnreachableBlockEliminationPass());
+
+ // Prepare expensive constants for SelectionDAG.
+ if (getOptLevel() != CodeGenOpt::None && !DisableConstantHoisting)
+ addPass(createConstantHoistingPass());
}
/// Turn exception handling constructs into something the code generators can
addPass(createStackProtectorPass(TM));
if (PrintISelInput)
- addPass(createPrintFunctionPass("\n\n"
- "*** Final LLVM Code input to ISel ***\n",
- &dbgs()));
+ addPass(createPrintFunctionPass(
+ dbgs(), "\n\n*** Final LLVM Code input to ISel ***\n"));
// All passes which modify the LLVM IR are now complete; run the verifier
// to ensure that the IR is valid.