First patch in the direction of splitting MachineCodeEmitter in two subclasses:
JITCodeEmitter and ObjectCodeEmitter. No functional changes yet. Patch by Aaron Gray
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72631 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86TargetMachine.cpp b/lib/Target/X86/X86TargetMachine.cpp
index 761d098..d4673b0 100644
--- a/lib/Target/X86/X86TargetMachine.cpp
+++ b/lib/Target/X86/X86TargetMachine.cpp
@@ -248,6 +248,35 @@
return false;
}
+bool X86TargetMachine::addCodeEmitter(PassManagerBase &PM,
+ CodeGenOpt::Level OptLevel,
+ bool DumpAsm, JITCodeEmitter &JCE) {
+ // FIXME: Move this to TargetJITInfo!
+ // On Darwin, do not override 64-bit setting made in X86TargetMachine().
+ if (DefRelocModel == Reloc::Default &&
+ (!Subtarget.isTargetDarwin() || !Subtarget.is64Bit()))
+ setRelocationModel(Reloc::Static);
+
+ // 64-bit JIT places everything in the same buffer except external functions.
+ // On Darwin, use small code model but hack the call instruction for
+ // externals. Elsewhere, do not assume globals are in the lower 4G.
+ if (Subtarget.is64Bit()) {
+ if (Subtarget.isTargetDarwin())
+ setCodeModel(CodeModel::Small);
+ else
+ setCodeModel(CodeModel::Large);
+ }
+
+ PM.add(createX86JITCodeEmitterPass(*this, JCE));
+ if (DumpAsm) {
+ assert(AsmPrinterCtor && "AsmPrinter was not linked in");
+ if (AsmPrinterCtor)
+ PM.add(AsmPrinterCtor(errs(), *this, OptLevel, true));
+ }
+
+ return false;
+}
+
bool X86TargetMachine::addSimpleCodeEmitter(PassManagerBase &PM,
CodeGenOpt::Level OptLevel,
bool DumpAsm,
@@ -262,6 +291,20 @@
return false;
}
+bool X86TargetMachine::addSimpleCodeEmitter(PassManagerBase &PM,
+ CodeGenOpt::Level OptLevel,
+ bool DumpAsm,
+ JITCodeEmitter &JCE) {
+ PM.add(createX86JITCodeEmitterPass(*this, JCE));
+ if (DumpAsm) {
+ assert(AsmPrinterCtor && "AsmPrinter was not linked in");
+ if (AsmPrinterCtor)
+ PM.add(AsmPrinterCtor(errs(), *this, OptLevel, true));
+ }
+
+ return false;
+}
+
/// symbolicAddressesAreRIPRel - Return true if symbolic addresses are
/// RIP-relative on this machine, taking into consideration the relocation
/// model and subtarget. RIP-relative addresses cannot have a separate