From 417e11b9bf625b3626f8765d44248927fb200906 Mon Sep 17 00:00:00 2001 From: Dan Gohman Date: Mon, 8 Oct 2007 15:12:17 +0000 Subject: [PATCH] In -debug mode, dump SelectionDAGs both before and after the optimization passes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42749 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp index ad4907dca01..5f321654d86 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp @@ -4624,10 +4624,13 @@ void SelectionDAGISel::BuildSelectionDAG(SelectionDAG &DAG, BasicBlock *LLVMBB, } void SelectionDAGISel::CodeGenAndEmitDAG(SelectionDAG &DAG) { + DOUT << "Lowered selection DAG:\n"; + DEBUG(DAG.dump()); + // Run the DAG combiner in pre-legalize mode. DAG.Combine(false, *AA); - DOUT << "Lowered selection DAG:\n"; + DOUT << "Optimized lowered selection DAG:\n"; DEBUG(DAG.dump()); // Second step, hack on the DAG until it only uses operations and types that @@ -4640,6 +4643,9 @@ void SelectionDAGISel::CodeGenAndEmitDAG(SelectionDAG &DAG) { // Run the DAG combiner in post-legalize mode. DAG.Combine(true, *AA); + DOUT << "Optimized legalized selection DAG:\n"; + DEBUG(DAG.dump()); + if (ViewISelDAGs) DAG.viewGraph(); // Third, instruction select all of the operations to machine code, adding the