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-rw-r--r--lib/Target/PowerPC/PPCTargetMachine.cpp75
1 files changed, 54 insertions, 21 deletions
diff --git a/lib/Target/PowerPC/PPCTargetMachine.cpp b/lib/Target/PowerPC/PPCTargetMachine.cpp
index f5744b8..d113976 100644
--- a/lib/Target/PowerPC/PPCTargetMachine.cpp
+++ b/lib/Target/PowerPC/PPCTargetMachine.cpp
@@ -11,10 +11,11 @@
//
//===----------------------------------------------------------------------===//
-#include "PPC.h"
#include "PPCTargetMachine.h"
+#include "PPC.h"
#include "llvm/PassManager.h"
#include "llvm/MC/MCStreamer.h"
+#include "llvm/CodeGen/Passes.h"
#include "llvm/Target/TargetOptions.h"
#include "llvm/Support/FormattedStream.h"
#include "llvm/Support/TargetRegistry.h"
@@ -22,37 +23,46 @@ using namespace llvm;
extern "C" void LLVMInitializePowerPCTarget() {
// Register the targets
- RegisterTargetMachine<PPC32TargetMachine> A(ThePPC32Target);
+ RegisterTargetMachine<PPC32TargetMachine> A(ThePPC32Target);
RegisterTargetMachine<PPC64TargetMachine> B(ThePPC64Target);
}
PPCTargetMachine::PPCTargetMachine(const Target &T, StringRef TT,
StringRef CPU, StringRef FS,
+ const TargetOptions &Options,
Reloc::Model RM, CodeModel::Model CM,
+ CodeGenOpt::Level OL,
bool is64Bit)
- : LLVMTargetMachine(T, TT, CPU, FS, RM, CM),
+ : LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL),
Subtarget(TT, CPU, FS, is64Bit),
DataLayout(Subtarget.getTargetDataString()), 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);
}
-/// Override this for PowerPC. Tail merging happily breaks up instruction issue
-/// groups, which typically degrades performance.
-bool PPCTargetMachine::getEnableTailMergeDefault() const { return false; }
+void PPC32TargetMachine::anchor() { }
-PPC32TargetMachine::PPC32TargetMachine(const Target &T, StringRef TT,
+PPC32TargetMachine::PPC32TargetMachine(const Target &T, StringRef TT,
StringRef CPU, StringRef FS,
- Reloc::Model RM, CodeModel::Model CM)
- : PPCTargetMachine(T, TT, CPU, FS, RM, CM, false) {
+ const TargetOptions &Options,
+ Reloc::Model RM, CodeModel::Model CM,
+ CodeGenOpt::Level OL)
+ : PPCTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL, false) {
}
+void PPC64TargetMachine::anchor() { }
-PPC64TargetMachine::PPC64TargetMachine(const Target &T, StringRef TT,
+PPC64TargetMachine::PPC64TargetMachine(const Target &T, StringRef TT,
StringRef CPU, StringRef FS,
- Reloc::Model RM, CodeModel::Model CM)
- : PPCTargetMachine(T, TT, CPU, FS, RM, CM, true) {
+ const TargetOptions &Options,
+ Reloc::Model RM, CodeModel::Model CM,
+ CodeGenOpt::Level OL)
+ : PPCTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL, true) {
}
@@ -60,33 +70,56 @@ PPC64TargetMachine::PPC64TargetMachine(const Target &T, StringRef TT,
// Pass Pipeline Configuration
//===----------------------------------------------------------------------===//
-bool PPCTargetMachine::addInstSelector(PassManagerBase &PM,
- CodeGenOpt::Level OptLevel) {
+namespace {
+/// PPC Code Generator Pass Configuration Options.
+class PPCPassConfig : public TargetPassConfig {
+public:
+ PPCPassConfig(PPCTargetMachine *TM, PassManagerBase &PM)
+ : TargetPassConfig(TM, PM) {}
+
+ PPCTargetMachine &getPPCTargetMachine() const {
+ return getTM<PPCTargetMachine>();
+ }
+
+ virtual bool addInstSelector();
+ virtual bool addPreEmitPass();
+};
+} // namespace
+
+TargetPassConfig *PPCTargetMachine::createPassConfig(PassManagerBase &PM) {
+ TargetPassConfig *PassConfig = new PPCPassConfig(this, PM);
+
+ // Override this for PowerPC. Tail merging happily breaks up instruction issue
+ // groups, which typically degrades performance.
+ PassConfig->setEnableTailMerge(false);
+
+ return PassConfig;
+}
+
+bool PPCPassConfig::addInstSelector() {
// Install an instruction selector.
- PM.add(createPPCISelDag(*this));
+ PM.add(createPPCISelDag(getPPCTargetMachine()));
return false;
}
-bool PPCTargetMachine::addPreEmitPass(PassManagerBase &PM,
- CodeGenOpt::Level OptLevel) {
+bool PPCPassConfig::addPreEmitPass() {
// Must run branch selection immediately preceding the asm printer.
PM.add(createPPCBranchSelectionPass());
return false;
}
bool PPCTargetMachine::addCodeEmitter(PassManagerBase &PM,
- CodeGenOpt::Level OptLevel,
JITCodeEmitter &JCE) {
// FIXME: This should be moved to TargetJITInfo!!
if (Subtarget.isPPC64())
// Temporary workaround for the inability of PPC64 JIT to handle jump
// tables.
- DisableJumpTables = true;
-
+ Options.DisableJumpTables = true;
+
// Inform the subtarget that we are in JIT mode. FIXME: does this break macho
// writing?
Subtarget.SetJITMode();
-
+
// Machine code emitter pass for PowerPC.
PM.add(createPPCJITCodeEmitterPass(*this, JCE));
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