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authorChris Lattner <sabre@nondot.org>2006-09-26 03:41:59 +0000
committerChris Lattner <sabre@nondot.org>2006-09-26 03:41:59 +0000
commit9a1e91b107323a82b07737d9ef2f562cd966dedb (patch)
tree83fa2a44e5a4c71b361763587c3055c726908454 /llvm/lib/CodeGen/MachineBasicBlock.cpp
parentad4e7eb59e5fa85345b2cc7d12ddd769c5c0c14b (diff)
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print the preds of each MBB
llvm-svn: 30606
Diffstat (limited to 'llvm/lib/CodeGen/MachineBasicBlock.cpp')
-rw-r--r--llvm/lib/CodeGen/MachineBasicBlock.cpp8
1 files changed, 8 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/MachineBasicBlock.cpp b/llvm/lib/CodeGen/MachineBasicBlock.cpp
index 84d2657..de397d3 100644
--- a/llvm/lib/CodeGen/MachineBasicBlock.cpp
+++ b/llvm/lib/CodeGen/MachineBasicBlock.cpp
@@ -97,6 +97,14 @@ void MachineBasicBlock::print(std::ostream &OS) const {
if (LBB)
OS << "\n" << LBB->getName() << " (" << (const void*)this
<< ", LLVM BB @" << (const void*) LBB << "):\n";
+ // Print the preds of this block according to the CFG.
+ if (!pred_empty()) {
+ OS << " Predecessors according to CFG:";
+ for (const_pred_iterator PI = pred_begin(), E = pred_end(); PI != E; ++PI)
+ OS << " " << *PI;
+ OS << "\n";
+ }
+
for (const_iterator I = begin(); I != end(); ++I) {
OS << "\t";
I->print(OS, &getParent()->getTarget());