From ce25443608063357247ca7943ff623af43debc77 Mon Sep 17 00:00:00 2001
From: Evan Cheng <evan.cheng@apple.com>
Date: Tue, 11 Dec 2007 02:08:35 +0000
Subject: [PATCH] Pretty print shuffle mask operand.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44837 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 38987d9faad..a93a41dfc98 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -3855,6 +3855,19 @@ void SDNode::dump(const SelectionDAG *G) const {
       cerr << ":" << RN;
   }
 
+  if (!isTargetOpcode() && getOpcode() == ISD::VECTOR_SHUFFLE) {
+    SDNode *Mask = getOperand(2).Val;
+    cerr << "<";
+    for (unsigned i = 0, e = Mask->getNumOperands(); i != e; ++i) {
+      if (i) cerr << ",";
+      if (Mask->getOperand(i).getOpcode() == ISD::UNDEF)
+        cerr << "u";
+      else
+        cerr << cast<ConstantSDNode>(Mask->getOperand(i))->getValue();
+    }
+    cerr << ">";
+  }
+
   if (const ConstantSDNode *CSDN = dyn_cast<ConstantSDNode>(this)) {
     cerr << "<" << CSDN->getValue() << ">";
   } else if (const ConstantFPSDNode *CSDN = dyn_cast<ConstantFPSDNode>(this)) {