Support -print-machineinstrs
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12124 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Sparc/SparcTargetMachine.cpp b/lib/Target/Sparc/SparcTargetMachine.cpp
index 581c535..1b5b80a 100644
--- a/lib/Target/Sparc/SparcTargetMachine.cpp
+++ b/lib/Target/Sparc/SparcTargetMachine.cpp
@@ -42,19 +42,22 @@
std::ostream &Out) {
PM.add(createSparcV8SimpleInstructionSelector(*this));
- // Print machine instructions as they are created.
- PM.add(createMachineFunctionPrinterPass(&std::cerr));
+ // Print machine instructions as they were initially generated.
+ if (PrintMachineCode)
+ PM.add(createMachineFunctionPrinterPass(&std::cerr));
PM.add(createRegisterAllocator());
PM.add(createPrologEpilogCodeInserter());
- // <insert assembly code output passes here>
- // This is not a correct asm writer by any means, but at least we see what we
- // are producing.
- PM.add(createMachineFunctionPrinterPass(&Out));
+ // Print machine instructions after register allocation and prolog/epilog
+ // insertion.
+ if (PrintMachineCode)
+ PM.add(createMachineFunctionPrinterPass(&std::cerr));
+ // Output assembly language.
PM.add(createSparcV8CodePrinterPass(Out, *this));
+ // Delete the MachineInstrs we generated, since they're no longer needed.
PM.add(createMachineCodeDeleter());
return false;
}