// Pass Pipeline Configuration
//===----------------------------------------------------------------------===//
-bool X86TargetMachine::addInstSelector(PassManagerBase &PM) {
+namespace {
+/// X86 Code Generator Pass Configuration Options.
+class X86PassConfig : public TargetPassConfig {
+public:
+ X86PassConfig(X86TargetMachine *TM, PassManagerBase &PM)
+ : TargetPassConfig(TM, PM) {}
+
+ X86TargetMachine &getX86TargetMachine() const {
+ return getTM<X86TargetMachine>();
+ }
+
+ const X86Subtarget &getX86Subtarget() const {
+ return *getX86TargetMachine().getSubtargetImpl();
+ }
+
+ virtual bool addInstSelector();
+ virtual bool addPreRegAlloc();
+ virtual bool addPostRegAlloc();
+ virtual bool addPreEmitPass();
+};
+} // namespace
+
+TargetPassConfig *X86TargetMachine::createPassConfig(PassManagerBase &PM) {
+ X86PassConfig *PC = new X86PassConfig(this, PM);
+
+ if (Subtarget.hasCMov())
+ PC->enablePass(&EarlyIfConverterID);
+
+ return PC;
+}
+
+bool X86PassConfig::addInstSelector() {
// Install an instruction selector.
- PM.add(createX86ISelDag(*this, getOptLevel()));
+ addPass(createX86ISelDag(getX86TargetMachine(), getOptLevel()));
+
+ // For ELF, cleanup any local-dynamic TLS accesses.
+ if (getX86Subtarget().isTargetELF() && getOptLevel() != CodeGenOpt::None)
+ addPass(createCleanupLocalDynamicTLSPass());
// For 32-bit, prepend instructions to set the "global base reg" for PIC.
- if (!Subtarget.is64Bit())
- PM.add(createGlobalBaseRegPass());
+ if (!getX86Subtarget().is64Bit())
+ addPass(createGlobalBaseRegPass());
return false;
}
-bool X86TargetMachine::addPreRegAlloc(PassManagerBase &PM) {
- PM.add(createX86MaxStackAlignmentHeuristicPass());
+bool X86PassConfig::addPreRegAlloc() {
+ addPass(createX86MaxStackAlignmentHeuristicPass());
return false; // -print-machineinstr shouldn't print after this.
}
-bool X86TargetMachine::addPostRegAlloc(PassManagerBase &PM) {
- PM.add(createX86FloatingPointStackifierPass());
+bool X86PassConfig::addPostRegAlloc() {
+ addPass(createX86FloatingPointStackifierPass());
return true; // -print-machineinstr should print after this.
}
-bool X86TargetMachine::addPreEmitPass(PassManagerBase &PM) {
+bool X86PassConfig::addPreEmitPass() {
bool ShouldPrint = false;
- if (getOptLevel() != CodeGenOpt::None && Subtarget.hasSSE2()) {
- PM.add(createExecutionDependencyFixPass(&X86::VR128RegClass));
+ if (getOptLevel() != CodeGenOpt::None && getX86Subtarget().hasSSE2()) {
+ addPass(createExecutionDependencyFixPass(&X86::VR128RegClass));
ShouldPrint = true;
}
- if (Subtarget.hasAVX() && UseVZeroUpper) {
- PM.add(createX86IssueVZeroUpperPass());
+ if (getX86Subtarget().hasAVX() && UseVZeroUpper) {
+ addPass(createX86IssueVZeroUpperPass());
ShouldPrint = true;
}