//
//===----------------------------------------------------------------------===//
-#include "PPC.h"
#include "PPCTargetMachine.h"
-#include "llvm/PassManager.h"
-#include "llvm/MC/MCStreamer.h"
+#include "PPC.h"
#include "llvm/CodeGen/Passes.h"
-#include "llvm/Target/TargetOptions.h"
+#include "llvm/MC/MCStreamer.h"
+#include "llvm/PassManager.h"
+#include "llvm/Support/CommandLine.h"
#include "llvm/Support/FormattedStream.h"
#include "llvm/Support/TargetRegistry.h"
+#include "llvm/Target/TargetOptions.h"
using namespace llvm;
+static cl::
+opt<bool> DisableCTRLoops("disable-ppc-ctrloops", cl::Hidden,
+ cl::desc("Disable CTR loops for PPC"));
+
extern "C" void LLVMInitializePowerPCTarget() {
// Register the targets
RegisterTargetMachine<PPC32TargetMachine> A(ThePPC32Target);
bool is64Bit)
: LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL),
Subtarget(TT, CPU, FS, is64Bit),
- DataLayout(Subtarget.getTargetDataString()), InstrInfo(*this),
+ DL(Subtarget.getDataLayoutString()), InstrInfo(*this),
FrameLowering(Subtarget), JITInfo(*this, is64Bit),
TLInfo(*this), TSInfo(*this),
InstrItins(Subtarget.getInstrItineraryData()) {
+
+ // The binutils for the BG/P are too old for CFI.
+ if (Subtarget.isBGP())
+ setMCUseCFI(false);
}
void PPC32TargetMachine::anchor() { }
return getTM<PPCTargetMachine>();
}
+ virtual bool addPreRegAlloc();
virtual bool addInstSelector();
- virtual bool getEnableTailMergeDefault() const;
virtual bool addPreEmitPass();
};
} // namespace
return new PPCPassConfig(this, PM);
}
+bool PPCPassConfig::addPreRegAlloc() {
+ if (!DisableCTRLoops && getOptLevel() != CodeGenOpt::None)
+ addPass(createPPCCTRLoops());
+
+ return false;
+}
+
bool PPCPassConfig::addInstSelector() {
// Install an instruction selector.
- PM.add(createPPCISelDag(getPPCTargetMachine()));
+ addPass(createPPCISelDag(getPPCTargetMachine()));
return false;
}
-/// Override this for PowerPC. Tail merging happily breaks up instruction issue
-/// groups, which typically degrades performance.
-bool PPCPassConfig::getEnableTailMergeDefault() const { return false; }
-
bool PPCPassConfig::addPreEmitPass() {
// Must run branch selection immediately preceding the asm printer.
- PM.add(createPPCBranchSelectionPass());
+ addPass(createPPCBranchSelectionPass());
return false;
}
bool PPCTargetMachine::addCodeEmitter(PassManagerBase &PM,
JITCodeEmitter &JCE) {
- // FIXME: This should be moved to TargetJITInfo!!
- if (Subtarget.isPPC64())
- // Temporary workaround for the inability of PPC64 JIT to handle jump
- // tables.
- Options.DisableJumpTables = true;
-
// Inform the subtarget that we are in JIT mode. FIXME: does this break macho
// writing?
Subtarget.SetJITMode();
return false;
}
+
+void PPCTargetMachine::addAnalysisPasses(PassManagerBase &PM) {
+ // Add first the target-independent BasicTTI pass, then our PPC pass. This
+ // allows the PPC pass to delegate to the target independent layer when
+ // appropriate.
+ PM.add(createBasicTargetTransformInfoPass(getTargetLowering()));
+ PM.add(createPPCTargetTransformInfoPass(this));
+}
+