Add back machine code deleter pass until we get a MachineCode pass
that will be responsible for the creation of MachineFunctions and will
be required by all MachineFunctionPass passes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11453 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/MachineFunction.cpp b/lib/CodeGen/MachineFunction.cpp
index 645e7cf..719d28a 100644
--- a/lib/CodeGen/MachineFunction.cpp
+++ b/lib/CodeGen/MachineFunction.cpp
@@ -62,6 +62,27 @@
return new Printer(OS, Banner);
}
+namespace {
+ struct Deleter : public MachineFunctionPass {
+ const char *getPassName() const { return "Machine Code Deleter"; }
+
+ bool runOnMachineFunction(MachineFunction &MF) {
+ // Delete the annotation from the function now.
+ MachineFunction::destruct(MF.getFunction());
+ return true;
+ }
+ };
+}
+
+/// MachineCodeDeletion Pass - This pass deletes all of the machine code for
+/// the current function, which should happen after the function has been
+/// emitted to a .s file or to memory.
+FunctionPass *llvm::createMachineCodeDeleter() {
+ return new Deleter();
+}
+
+
+
//===---------------------------------------------------------------------===//
// MachineFunction implementation
//===---------------------------------------------------------------------===//
diff --git a/lib/Target/PowerPC/PowerPCTargetMachine.cpp b/lib/Target/PowerPC/PowerPCTargetMachine.cpp
index 54d0734..88b33f0 100644
--- a/lib/Target/PowerPC/PowerPCTargetMachine.cpp
+++ b/lib/Target/PowerPC/PowerPCTargetMachine.cpp
@@ -45,6 +45,7 @@
PM.add(createRegisterAllocator());
PM.add(createPrologEpilogCodeInserter());
// <insert assembly code output passes here>
+ PM.add(createMachineCodeDeleter());
return true; // change to `return false' when this actually works.
}
diff --git a/lib/Target/X86/X86CodeEmitter.cpp b/lib/Target/X86/X86CodeEmitter.cpp
index 83e5e10..4a66230 100644
--- a/lib/Target/X86/X86CodeEmitter.cpp
+++ b/lib/Target/X86/X86CodeEmitter.cpp
@@ -212,6 +212,8 @@
bool X86TargetMachine::addPassesToEmitMachineCode(FunctionPassManager &PM,
MachineCodeEmitter &MCE) {
PM.add(new Emitter(MCE));
+ // Delete machine code for this function
+ PM.add(createMachineCodeDeleter());
return false;
}
diff --git a/lib/Target/X86/X86TargetMachine.cpp b/lib/Target/X86/X86TargetMachine.cpp
index c411f86..83a390e 100644
--- a/lib/Target/X86/X86TargetMachine.cpp
+++ b/lib/Target/X86/X86TargetMachine.cpp
@@ -104,6 +104,9 @@
if (!DisableOutput)
PM.add(createX86CodePrinterPass(Out, *this));
+ // Delete machine code for this function
+ PM.add(createMachineCodeDeleter());
+
return false; // success!
}