Turn a leaked object into a stack variable instead.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@222046 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/utils/TableGen/CodeGenDAGPatterns.cpp b/utils/TableGen/CodeGenDAGPatterns.cpp
index 63f6283cffbd2871a2bd58a5a03c4a0f6b720036..a750aa9f4ec2b70fd8a7303b4777d3a227429dbb 100644 (file)
--- a/utils/TableGen/CodeGenDAGPatterns.cpp
+++ b/utils/TableGen/CodeGenDAGPatterns.cpp
@@ -3304,14 +3304,14 @@ void CodeGenDAGPatterns::ParsePatterns() {
     if (LI->getSize() == 0) continue;  // no pattern.
 
     // Parse the instruction.
-    TreePattern *Result = new TreePattern(CurPattern, LI, false, *this);
+    TreePattern Result(CurPattern, LI, false, *this);
 
     // Inline pattern fragments into it.
-    Result->InlinePatternFragments();
+    Result.InlinePatternFragments();
 
-    if (Result->getNumTrees() != 1)
-      Result->error("Cannot handle instructions producing instructions "
-                    "with temporaries yet!");
+    if (Result.getNumTrees() != 1)
+      Result.error("Cannot handle instructions producing instructions "
+                   "with temporaries yet!");
 
     bool IterateInference;
     bool InferredAllPatternTypes, InferredAllResultTypes;
@@ -3324,7 +3324,7 @@ void CodeGenDAGPatterns::ParsePatterns() {
       // Infer as many types as possible.  If we cannot infer all of them, we
       // can never do anything with this pattern: report it to the user.
       InferredAllResultTypes =
-        Result->InferAllTypes(&Pattern->getNamedNodesMap());
+          Result.InferAllTypes(&Pattern->getNamedNodesMap());
 
       IterateInference = false;
 
@@ -3332,13 +3332,13 @@ void CodeGenDAGPatterns::ParsePatterns() {
       // resolve cases where the input type is known to be a pointer type (which
       // is considered resolved), but the result knows it needs to be 32- or
       // 64-bits.  Infer the other way for good measure.
-      for (unsigned i = 0, e = std::min(Result->getTree(0)->getNumTypes(),
+      for (unsigned i = 0, e = std::min(Result.getTree(0)->getNumTypes(),
                                         Pattern->getTree(0)->getNumTypes());
            i != e; ++i) {
-        IterateInference = Pattern->getTree(0)->
-          UpdateNodeType(i, Result->getTree(0)->getExtType(i), *Result);
-        IterateInference |= Result->getTree(0)->
-          UpdateNodeType(i, Pattern->getTree(0)->getExtType(i), *Result);
+        IterateInference = Pattern->getTree(0)->UpdateNodeType(
+            i, Result.getTree(0)->getExtType(i), Result);
+        IterateInference |= Result.getTree(0)->UpdateNodeType(
+            i, Pattern->getTree(0)->getExtType(i), Result);
       }
 
       // If our iteration has converged and the input pattern's types are fully
@@ -3352,8 +3352,8 @@ void CodeGenDAGPatterns::ParsePatterns() {
       // arbitrary types to the result pattern's nodes.
       if (!IterateInference && InferredAllPatternTypes &&
           !InferredAllResultTypes)
-        IterateInference = ForceArbitraryInstResultType(Result->getTree(0),
-                                                        *Result);
+        IterateInference =
+            ForceArbitraryInstResultType(Result.getTree(0), Result);
     } while (IterateInference);
 
     // Verify that we inferred enough types that we can do something with the
@@ -3362,7 +3362,7 @@ void CodeGenDAGPatterns::ParsePatterns() {
       Pattern->error("Could not infer all types in pattern!");
     if (!InferredAllResultTypes) {
       Pattern->dump();
-      Result->error("Could not infer all types in pattern result!");
+      Result.error("Could not infer all types in pattern result!");
     }
 
     // Validate that the input pattern is correct.
@@ -3375,7 +3375,7 @@ void CodeGenDAGPatterns::ParsePatterns() {
                                   InstImpResults);
 
     // Promote the xform function to be an explicit node if set.
-    TreePatternNode *DstPattern = Result->getOnlyTree();
+    TreePatternNode *DstPattern = Result.getOnlyTree();
     std::vector<TreePatternNode*> ResultNodeOperands;
     for (unsigned ii = 0, ee = DstPattern->getNumChildren(); ii != ee; ++ii) {
       TreePatternNode *OpNode = DstPattern->getChild(ii);
@@ -3387,16 +3387,16 @@ void CodeGenDAGPatterns::ParsePatterns() {
       }
       ResultNodeOperands.push_back(OpNode);
     }
-    DstPattern = Result->getOnlyTree();
+    DstPattern = Result.getOnlyTree();
     if (!DstPattern->isLeaf())
       DstPattern = new TreePatternNode(DstPattern->getOperator(),
                                        ResultNodeOperands,
                                        DstPattern->getNumTypes());
 
-    for (unsigned i = 0, e = Result->getOnlyTree()->getNumTypes(); i != e; ++i)
-      DstPattern->setType(i, Result->getOnlyTree()->getExtType(i));
+    for (unsigned i = 0, e = Result.getOnlyTree()->getNumTypes(); i != e; ++i)
+      DstPattern->setType(i, Result.getOnlyTree()->getExtType(i));
 
-    TreePattern Temp(Result->getRecord(), DstPattern, false, *this);
+    TreePattern Temp(Result.getRecord(), DstPattern, false, *this);
     Temp.InferAllTypes();