From 310adf1c6f58921b30fde145fd15cb1798050205 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Sat, 27 Mar 2010 02:53:27 +0000
Subject: [PATCH] remove parallel support.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99703 91177308-0d34-0410-b5e6-96231b3b80d8
---
 docs/TableGenFundamentals.html            |  3 --
 include/llvm/Target/TargetSelectionDAG.td |  1 -
 utils/TableGen/CodeGenDAGPatterns.cpp     | 41 +++--------------------
 3 files changed, 4 insertions(+), 41 deletions(-)

diff --git a/docs/TableGenFundamentals.html b/docs/TableGenFundamentals.html
index 58d98c9d1e6..764f99282b1 100644
--- a/docs/TableGenFundamentals.html
+++ b/docs/TableGenFundamentals.html
@@ -768,9 +768,6 @@ patterns:</p>
   <dd>an implicitly defined physical register.  This tells the dag instruction
   selection emitter the input pattern's extra definitions matches implicit
   physical register definitions.</dd>
-<dt><tt>(parallel (a), (b))</tt></dt>
-  <dd>a list of dags specifying parallel operations which map to the same
-  instruction.</dd>
 
 </div>
 
diff --git a/include/llvm/Target/TargetSelectionDAG.td b/include/llvm/Target/TargetSelectionDAG.td
index e56d886a0a1..c5ad3655e7b 100644
--- a/include/llvm/Target/TargetSelectionDAG.td
+++ b/include/llvm/Target/TargetSelectionDAG.td
@@ -235,7 +235,6 @@ class SDNode<string opcode, SDTypeProfile typeprof,
 // Special TableGen-recognized dag nodes
 def set;
 def implicit;
-def parallel;
 def node;
 def srcvalue;
 
diff --git a/utils/TableGen/CodeGenDAGPatterns.cpp b/utils/TableGen/CodeGenDAGPatterns.cpp
index c32df743e23..031e75eca81 100644
--- a/utils/TableGen/CodeGenDAGPatterns.cpp
+++ b/utils/TableGen/CodeGenDAGPatterns.cpp
@@ -748,8 +748,7 @@ TreePatternNode::~TreePatternNode() {
 
 static unsigned GetNumNodeResults(Record *Operator, CodeGenDAGPatterns &CDP) {
   if (Operator->getName() == "set" ||
-      Operator->getName() == "implicit" ||
-      Operator->getName() == "parallel")
+      Operator->getName() == "implicit")
     return 0;  // All return nothing.
   
   if (Operator->isSubClassOf("Intrinsic"))
@@ -1184,8 +1183,7 @@ bool TreePatternNode::ApplyTypeConstraints(TreePattern &TP, bool NotRegisters) {
     return MadeChange;
   }
   
-  if (getOperator()->getName() == "implicit" ||
-      getOperator()->getName() == "parallel") {
+  if (getOperator()->getName() == "implicit") {
     assert(getNumTypes() == 0 && "Node doesn't produce a value");
 
     bool MadeChange = false;
@@ -1529,8 +1527,7 @@ TreePatternNode *TreePattern::ParseTreePattern(DagInit *Dag) {
       !Operator->isSubClassOf("SDNodeXForm") &&
       !Operator->isSubClassOf("Intrinsic") &&
       Operator->getName() != "set" &&
-      Operator->getName() != "implicit" &&
-      Operator->getName() != "parallel")
+      Operator->getName() != "implicit")
     error("Unrecognized node '" + Operator->getName() + "'!");
   
   //  Check to see if this is something that is illegal in an input pattern.
@@ -2549,37 +2546,7 @@ void CodeGenDAGPatterns::ParsePatterns() {
   for (unsigned i = 0, e = Patterns.size(); i != e; ++i) {
     Record *CurPattern = Patterns[i];
     DagInit *Tree = CurPattern->getValueAsDag("PatternToMatch");
-    DefInit *OpDef = dynamic_cast<DefInit*>(Tree->getOperator());
-    Record *Operator = OpDef->getDef();
-    TreePattern *Pattern;
-    if (Operator->getName() != "parallel")
-      Pattern = new TreePattern(CurPattern, Tree, true, *this);
-    else {
-      std::vector<Init*> Values;
-      RecTy *ListTy = 0;
-      for (unsigned j = 0, ee = Tree->getNumArgs(); j != ee; ++j) {
-        Values.push_back(Tree->getArg(j));
-        TypedInit *TArg = dynamic_cast<TypedInit*>(Tree->getArg(j));
-        if (TArg == 0) {
-          errs() << "In dag: " << Tree->getAsString();
-          errs() << " --  Untyped argument in pattern\n";
-          assert(0 && "Untyped argument in pattern");
-        }
-        if (ListTy != 0) {
-          ListTy = resolveTypes(ListTy, TArg->getType());
-          if (ListTy == 0) {
-            errs() << "In dag: " << Tree->getAsString();
-            errs() << " --  Incompatible types in pattern arguments\n";
-            assert(0 && "Incompatible types in pattern arguments");
-          }
-        }
-        else {
-          ListTy = TArg->getType();
-        }
-      }
-      ListInit *LI = new ListInit(Values, new ListRecTy(ListTy));
-      Pattern = new TreePattern(CurPattern, LI, true, *this);
-    }
+    TreePattern *Pattern = new TreePattern(CurPattern, Tree, true, *this);
 
     // Inline pattern fragments into it.
     Pattern->InlinePatternFragments();