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/PowerPC/PPCTargetMachine.cpp b/lib/Target/PowerPC/PPCTargetMachine.cpp
index bb17ea9..aeb451b 100644
--- a/lib/Target/PowerPC/PPCTargetMachine.cpp
+++ b/lib/Target/PowerPC/PPCTargetMachine.cpp
@@ -186,6 +186,38 @@
return false;
}
+bool PPCTargetMachine::addCodeEmitter(PassManagerBase &PM,
+ CodeGenOpt::Level OptLevel,
+ bool DumpAsm, JITCodeEmitter &JCE) {
+ // The JIT should use the static relocation model in ppc32 mode, PIC in ppc64.
+ // FIXME: This should be moved to TargetJITInfo!!
+ if (Subtarget.isPPC64()) {
+ // We use PIC codegen in ppc64 mode, because otherwise we'd have to use many
+ // instructions to materialize arbitrary global variable + function +
+ // constant pool addresses.
+ setRelocationModel(Reloc::PIC_);
+ // Temporary workaround for the inability of PPC64 JIT to handle jump
+ // tables.
+ DisableJumpTables = true;
+ } else {
+ setRelocationModel(Reloc::Static);
+ }
+
+ // 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));
+ if (DumpAsm) {
+ assert(AsmPrinterCtor && "AsmPrinter was not linked in");
+ if (AsmPrinterCtor)
+ PM.add(AsmPrinterCtor(errs(), *this, OptLevel, true));
+ }
+
+ return false;
+}
+
bool PPCTargetMachine::addSimpleCodeEmitter(PassManagerBase &PM,
CodeGenOpt::Level OptLevel,
bool DumpAsm, MachineCodeEmitter &MCE) {
@@ -199,3 +231,18 @@
return false;
}
+
+bool PPCTargetMachine::addSimpleCodeEmitter(PassManagerBase &PM,
+ CodeGenOpt::Level OptLevel,
+ bool DumpAsm, JITCodeEmitter &JCE) {
+ // Machine code emitter pass for PowerPC.
+ PM.add(createPPCJITCodeEmitterPass(*this, JCE));
+ if (DumpAsm) {
+ assert(AsmPrinterCtor && "AsmPrinter was not linked in");
+ if (AsmPrinterCtor)
+ PM.add(AsmPrinterCtor(errs(), *this, OptLevel, true));
+ }
+
+ return false;
+}
+