Added saveBBreferences() for BasicBlock resolution.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6451 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/llvm/CodeGen/MachineCodeEmitter.h b/include/llvm/CodeGen/MachineCodeEmitter.h
index ba70b18..1db7183 100644
--- a/include/llvm/CodeGen/MachineCodeEmitter.h
+++ b/include/llvm/CodeGen/MachineCodeEmitter.h
@@ -10,7 +10,10 @@
#ifndef LLVM_CODEGEN_MACHINE_CODE_EMITTER_H
#define LLVM_CODEGEN_MACHINE_CODE_EMITTER_H
+#include <iostream>
#include <string>
+class BasicBlock;
+class MachineInstr;
class MachineFunction;
class MachineBasicBlock;
class MachineConstantPool;
@@ -91,6 +94,11 @@
///
static MachineCodeEmitter*
createFilePrinterMachineCodeEmitter(MachineCodeEmitter&);
+
+ ///
+ virtual void saveBBreference(BasicBlock* BB, MachineInstr &MI) {
+ std::cerr << "Save BB reference unimplemented\n";
+ }
};
#endif
diff --git a/lib/CodeGen/MachineCodeEmitter.cpp b/lib/CodeGen/MachineCodeEmitter.cpp
index e67b4aa..607480c 100644
--- a/lib/CodeGen/MachineCodeEmitter.cpp
+++ b/lib/CodeGen/MachineCodeEmitter.cpp
@@ -158,9 +158,7 @@
}
}
void emitPCRelativeDisp(Value *V) {
- // put block in mapping BB -> { instr, address }. when BB is beginning to
- // output, find instr, set disp, overwrite instr at addr using the
- // unsigned value gotten from emitter
+ if (MCE) MCE->emitPCRelativeDisp(V);
}
void emitGlobalAddress(GlobalValue *V, bool isPCRelative) {
@@ -173,9 +171,15 @@
void emitFunctionConstantValueAddress(unsigned ConstantNum, int Offset) {
if (MCE) MCE->emitFunctionConstantValueAddress(ConstantNum, Offset);
}
+
+ virtual void saveBBreference(BasicBlock* BB, MachineInstr &MI) {
+ if (MCE) MCE->saveBBreference(BB, MI);
+ }
+
};
}
-MachineCodeEmitter *MachineCodeEmitter::createFilePrinterMachineCodeEmitter(MachineCodeEmitter &MCE) {
+MachineCodeEmitter *MachineCodeEmitter::createFilePrinterMachineCodeEmitter
+(MachineCodeEmitter &MCE) {
return new FilePrinterMachineCodeEmitter(MCE, std::cerr);
}