[llvm-commits] CVS: llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp SelectionDAGISel.cpp

[Chris Lattner]

Changes in directory llvm/lib/CodeGen/SelectionDAG:

LegalizeDAG.cpp updated: 1.348 -> 1.349
SelectionDAGISel.cpp updated: 1.215 -> 1.216
---
Log message:

Add a new -view-legalize-dags command line option


---
Diffs of the changes:  (+13 -3)

 LegalizeDAG.cpp      |   13 ++++++++++++-
 SelectionDAGISel.cpp |    3 +--
 2 files changed, 13 insertions(+), 3 deletions(-)


Index: llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
diff -u llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp:1.348 llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp:1.349
--- llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp:1.348	Fri Mar 31 12:22:37 2006
+++ llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp	Sat Apr  1 21:07:27 2006
@@ -14,16 +14,25 @@
 #include "llvm/CodeGen/SelectionDAG.h"
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/MachineFrameInfo.h"
-#include "llvm/Support/MathExtras.h"
 #include "llvm/Target/TargetLowering.h"
 #include "llvm/Target/TargetData.h"
 #include "llvm/Target/TargetOptions.h"
 #include "llvm/CallingConv.h"
 #include "llvm/Constants.h"
+#include "llvm/Support/MathExtras.h"
+#include "llvm/Support/CommandLine.h"
 #include <iostream>
 #include <map>
 using namespace llvm;
 
+#ifndef NDEBUG
+static cl::opt<bool>
+ViewLegalizeDAGs("view-legalize-dags", cl::Hidden,
+                 cl::desc("Pop up a window to show dags before legalize"));
+#else
+static const bool ViewLegalizeDAGs = 0;
+#endif
+
 //===----------------------------------------------------------------------===//
 /// SelectionDAGLegalize - This takes an arbitrary SelectionDAG as input and
 /// hacks on it until the target machine can handle it.  This involves
@@ -4628,6 +4637,8 @@
 // SelectionDAG::Legalize - This is the entry point for the file.
 //
 void SelectionDAG::Legalize() {
+  if (ViewLegalizeDAGs) viewGraph();
+
   /// run - This is the main entry point to this class.
   ///
   SelectionDAGLegalize(*this).LegalizeDAG();


Index: llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
diff -u llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:1.215 llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:1.216
--- llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:1.215	Sat Apr  1 18:24:45 2006
+++ llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp	Sat Apr  1 21:07:27 2006
@@ -54,8 +54,7 @@
 ViewSchedDAGs("view-sched-dags", cl::Hidden,
           cl::desc("Pop up a window to show sched dags as they are processed"));
 #else
-static const bool ViewISelDAGs = 0;
-static const bool ViewSchedDAGs = 0;
+static const bool ViewISelDAGs = 0, ViewSchedDAGs = 0;
 #endif
 
 // Scheduling heuristics