[PATCH] D82587: [IR] NoFree IntrinsicProperty.

[Stefan Stipanovic via Phabricator via llvm-commits]

sstefan1 created this revision.
sstefan1 added a reviewer: arsenm.
Herald added subscribers: llvm-commits, jdoerfert, wdng.
Herald added a project: LLVM.

Separate introduction of IntrNoFree property as suggested in D70365 <https://reviews.llvm.org/D70365>


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D82587

Files:
  llvm/include/llvm/IR/Intrinsics.td
  llvm/utils/TableGen/CodeGenIntrinsics.h
  llvm/utils/TableGen/CodeGenTarget.cpp
  llvm/utils/TableGen/IntrinsicEmitter.cpp


Index: llvm/utils/TableGen/IntrinsicEmitter.cpp
===================================================================
--- llvm/utils/TableGen/IntrinsicEmitter.cpp
+++ llvm/utils/TableGen/IntrinsicEmitter.cpp
@@ -584,6 +584,9 @@
     if (L->isNoSync != R->isNoSync)
       return R->isNoSync;
 
+    if (L->isNoFree != R->isNoFree)
+      return R->isNoFree;
+
     if (L->isWillReturn != R->isWillReturn)
       return R->isWillReturn;
 
@@ -751,10 +754,11 @@
     }
 
     if (!intrinsic.canThrow ||
-        (intrinsic.ModRef != CodeGenIntrinsic::ReadWriteMem && !intrinsic.hasSideEffects) ||
-        intrinsic.isNoReturn || intrinsic.isNoSync || intrinsic.isWillReturn ||
-        intrinsic.isCold || intrinsic.isNoDuplicate || intrinsic.isConvergent ||
-        intrinsic.isSpeculatable) {
+        (intrinsic.ModRef != CodeGenIntrinsic::ReadWriteMem &&
+         !intrinsic.hasSideEffects) ||
+        intrinsic.isNoReturn || intrinsic.isNoSync || intrinsic.isNoFree ||
+        intrinsic.isWillReturn || intrinsic.isCold || intrinsic.isNoDuplicate ||
+        intrinsic.isConvergent || intrinsic.isSpeculatable) {
       OS << "      const Attribute::AttrKind Atts[] = {";
       bool addComma = false;
       if (!intrinsic.canThrow) {
@@ -773,6 +777,12 @@
         OS << "Attribute::NoSync";
         addComma = true;
       }
+      if (intrinsic.isNoFree) {
+        if (addComma)
+          OS << ",";
+        OS << "Attribute::NoFree";
+        addComma = true;
+      }
       if (intrinsic.isWillReturn) {
         if (addComma)
           OS << ",";
Index: llvm/utils/TableGen/CodeGenTarget.cpp
===================================================================
--- llvm/utils/TableGen/CodeGenTarget.cpp
+++ llvm/utils/TableGen/CodeGenTarget.cpp
@@ -619,6 +619,7 @@
   canThrow = false;
   isNoReturn = false;
   isNoSync = false;
+  isNoFree = false;
   isWillReturn = false;
   isCold = false;
   isNoDuplicate = false;
@@ -785,6 +786,8 @@
       isNoReturn = true;
     else if (Property->getName() == "IntrNoSync")
       isNoSync = true;
+    else if (Property->getName() == "IntrNoFree")
+      isNoFree = true;
     else if (Property->getName() == "IntrWillReturn")
       isWillReturn = true;
     else if (Property->getName() == "IntrCold")
Index: llvm/utils/TableGen/CodeGenIntrinsics.h
===================================================================
--- llvm/utils/TableGen/CodeGenIntrinsics.h
+++ llvm/utils/TableGen/CodeGenIntrinsics.h
@@ -126,6 +126,9 @@
   /// True if the intrinsic is no-sync.
   bool isNoSync;
 
+  /// True if the intrinsic is no-free.
+  bool isNoFree;
+
   /// True if the intrinsic is will-return.
   bool isWillReturn;
 
Index: llvm/include/llvm/IR/Intrinsics.td
===================================================================
--- llvm/include/llvm/IR/Intrinsics.td
+++ llvm/include/llvm/IR/Intrinsics.td
@@ -117,6 +117,8 @@
 
 def IntrNoReturn : IntrinsicProperty;
 
+def IntrNoFree : IntrinsicProperty;
+
 def IntrWillReturn : IntrinsicProperty;
 
 // IntrCold - Calls to this intrinsic are cold.


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