Reloc::Model RM, CodeModel::Model CM,
CodeGenOpt::Level OL)
: X86TargetMachine(T, TT, CPU, FS, Options, RM, CM, OL, false),
- DataLayout(getSubtargetImpl()->isTargetDarwin() ?
+ DL(getSubtargetImpl()->isTargetDarwin() ?
"e-p:32:32-f64:32:64-i64:32:64-f80:128:128-f128:128:128-"
"n8:16:32-S128" :
(getSubtargetImpl()->isTargetCygMing() ||
Reloc::Model RM, CodeModel::Model CM,
CodeGenOpt::Level OL)
: X86TargetMachine(T, TT, CPU, FS, Options, RM, CM, OL, true),
- DataLayout("e-p:64:64-s:64-f64:64:64-i64:64:64-f80:128:128-f128:128:128-"
+ DL("e-p:64:64-s:64-f64:64:64-i64:64:64-f80:128:128-f128:128:128-"
"n8:16:32:64-S128"),
InstrInfo(*this),
TSInfo(*this),
cl::desc("Minimize AVX to SSE transition penalty"),
cl::init(true));
+// Temporary option to control early if-conversion for x86 while adding machine
+// models.
+static cl::opt<bool>
+X86EarlyIfConv("x86-early-ifcvt",
+ cl::desc("Enable early if-conversion on X86"));
+
//===----------------------------------------------------------------------===//
// Pass Pipeline Configuration
//===----------------------------------------------------------------------===//
} // namespace
TargetPassConfig *X86TargetMachine::createPassConfig(PassManagerBase &PM) {
- return new X86PassConfig(this, PM);
+ X86PassConfig *PC = new X86PassConfig(this, PM);
+
+ if (X86EarlyIfConv && Subtarget.hasCMov())
+ PC->enablePass(&EarlyIfConverterID);
+
+ return PC;
}
bool X86PassConfig::addInstSelector() {
// Install an instruction selector.
- PM->add(createX86ISelDag(getX86TargetMachine(), 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 (!getX86Subtarget().is64Bit())
- PM->add(createGlobalBaseRegPass());
+ addPass(createGlobalBaseRegPass());
return false;
}
bool X86PassConfig::addPreRegAlloc() {
- PM->add(createX86MaxStackAlignmentHeuristicPass());
+ addPass(createX86MaxStackAlignmentHeuristicPass());
return false; // -print-machineinstr shouldn't print after this.
}
bool X86PassConfig::addPostRegAlloc() {
- PM->add(createX86FloatingPointStackifierPass());
+ addPass(createX86FloatingPointStackifierPass());
return true; // -print-machineinstr should print after this.
}
bool X86PassConfig::addPreEmitPass() {
bool ShouldPrint = false;
if (getOptLevel() != CodeGenOpt::None && getX86Subtarget().hasSSE2()) {
- PM->add(createExecutionDependencyFixPass(&X86::VR128RegClass));
+ addPass(createExecutionDependencyFixPass(&X86::VR128RegClass));
ShouldPrint = true;
}
if (getX86Subtarget().hasAVX() && UseVZeroUpper) {
- PM->add(createX86IssueVZeroUpperPass());
+ addPass(createX86IssueVZeroUpperPass());
ShouldPrint = true;
}