[PATCH] D149192: [IR] Add interface to remove a CallBase string function attribute

[Teresa Johnson via Phabricator via llvm-commits]

tejohnson created this revision.
tejohnson added a reviewer: snehasish.
Herald added a project: All.
tejohnson requested review of this revision.
Herald added a project: LLVM.

Adds an interface to remove a string function attribute attached to a
CallBase, and a corresponding unittest.

This was extracted from D141077 <https://reviews.llvm.org/D141077>, and will be used by a follow on patch
that removes memprof attributes when needed.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D149192

Files:
  llvm/include/llvm/IR/InstrTypes.h
  llvm/unittests/IR/InstructionsTest.cpp


Index: llvm/unittests/IR/InstructionsTest.cpp
===================================================================
--- llvm/unittests/IR/InstructionsTest.cpp
+++ llvm/unittests/IR/InstructionsTest.cpp
@@ -102,6 +102,11 @@
   Call->addRetAttr(Attribute::get(Call->getContext(), "test-str-attr"));
   EXPECT_TRUE(Call->hasRetAttr("test-str-attr"));
   EXPECT_FALSE(Call->hasRetAttr("not-on-call"));
+
+  Call->addFnAttr(Attribute::get(Call->getContext(), "test-str-fn-attr"));
+  EXPECT_TRUE(Call->hasFnAttr("test-str-fn-attr"));
+  Call->removeFnAttr("test-str-fn-attr");
+  EXPECT_FALSE(Call->hasFnAttr("test-str-fn-attr"));
 }
 
 TEST_F(ModuleWithFunctionTest, InvokeInst) {
Index: llvm/include/llvm/IR/InstrTypes.h
===================================================================
--- llvm/include/llvm/IR/InstrTypes.h
+++ llvm/include/llvm/IR/InstrTypes.h
@@ -1559,6 +1559,11 @@
     Attrs = Attrs.removeFnAttribute(getContext(), Kind);
   }
 
+  /// Removes the attribute from the function
+  void removeFnAttr(StringRef Kind) {
+    Attrs = Attrs.removeFnAttribute(getContext(), Kind);
+  }
+
   /// Removes the attribute from the return value
   void removeRetAttr(Attribute::AttrKind Kind) {
     Attrs = Attrs.removeRetAttribute(getContext(), Kind);


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