print the machine CFG in the -print-machineinstrs dump
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20976 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/MachineBasicBlock.cpp b/lib/CodeGen/MachineBasicBlock.cpp
index 6774dde..695ba13 100644
--- a/lib/CodeGen/MachineBasicBlock.cpp
+++ b/lib/CodeGen/MachineBasicBlock.cpp
@@ -100,6 +100,14 @@
OS << "\t";
I->print(OS, &getParent()->getTarget());
}
+
+ // Print the successors of this block according to the CFG.
+ if (!succ_empty()) {
+ OS << " Successors according to CFG:";
+ for (const_succ_iterator SI = succ_begin(), E = succ_end(); SI != E; ++SI)
+ OS << " " << *SI;
+ OS << "\n";
+ }
}
void MachineBasicBlock::addSuccessor(MachineBasicBlock *succ) {