[PATCH] D22201: Add a 'Returned' intrinsic property corresponding to the 'returned' argument attribute.
Hal Finkel via llvm-commits
llvm-commits at lists.llvm.org
Sun Jul 10 11:31:21 PDT 2016
hfinkel created this revision.
hfinkel added reviewers: majnemer, chandlerc, dberlin, reames.
hfinkel added a subscriber: llvm-commits.
Herald added a subscriber: mcrosier.
This will be used by the llvm.noalias intrinsic (D9375).
http://reviews.llvm.org/D22201
Files:
include/llvm/IR/Intrinsics.td
utils/TableGen/CodeGenIntrinsics.h
utils/TableGen/CodeGenTarget.cpp
utils/TableGen/IntrinsicEmitter.cpp
Index: utils/TableGen/IntrinsicEmitter.cpp
===================================================================
--- utils/TableGen/IntrinsicEmitter.cpp
+++ utils/TableGen/IntrinsicEmitter.cpp
@@ -548,6 +548,12 @@
OS << "Attribute::NoCapture";
addComma = true;
break;
+ case CodeGenIntrinsic::Returned:
+ if (addComma)
+ OS << ",";
+ OS << "Attribute::Returned";
+ addComma = true;
+ break;
case CodeGenIntrinsic::ReadOnly:
if (addComma)
OS << ",";
Index: utils/TableGen/CodeGenTarget.cpp
===================================================================
--- utils/TableGen/CodeGenTarget.cpp
+++ utils/TableGen/CodeGenTarget.cpp
@@ -592,6 +592,9 @@
else if (Property->isSubClassOf("NoCapture")) {
unsigned ArgNo = Property->getValueAsInt("ArgNo");
ArgumentAttributes.push_back(std::make_pair(ArgNo, NoCapture));
+ } else if (Property->isSubClassOf("Returned")) {
+ unsigned ArgNo = Property->getValueAsInt("ArgNo");
+ ArgumentAttributes.push_back(std::make_pair(ArgNo, Returned));
} else if (Property->isSubClassOf("ReadOnly")) {
unsigned ArgNo = Property->getValueAsInt("ArgNo");
ArgumentAttributes.push_back(std::make_pair(ArgNo, ReadOnly));
Index: utils/TableGen/CodeGenIntrinsics.h
===================================================================
--- utils/TableGen/CodeGenIntrinsics.h
+++ utils/TableGen/CodeGenIntrinsics.h
@@ -111,6 +111,7 @@
enum ArgAttribute {
NoCapture,
+ Returned,
ReadOnly,
WriteOnly,
ReadNone
Index: include/llvm/IR/Intrinsics.td
===================================================================
--- include/llvm/IR/Intrinsics.td
+++ include/llvm/IR/Intrinsics.td
@@ -54,6 +54,12 @@
int ArgNo = argNo;
}
+// Returned - The specified argument is always the return value of the
+// intrinsic.
+class Returned<int argNo> : IntrinsicProperty {
+ int ArgNo = argNo;
+}
+
// ReadOnly - The specified argument pointer is not written to through the
// pointer by the intrinsic.
class ReadOnly<int argNo> : IntrinsicProperty {
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