[PATCH] D64925: [IR] Add getArg() method to Function class

[Teresa Johnson via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL367576: [IR] Add getArg() method to Function class (authored by tejohnson, committed by ).

Changed prior to commit:
  https://reviews.llvm.org/D64925?vs=211751&id=212825#toc

Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D64925/new/

https://reviews.llvm.org/D64925

Files:
  llvm/trunk/include/llvm/IR/Function.h
  llvm/trunk/unittests/IR/FunctionTest.cpp


Index: llvm/trunk/unittests/IR/FunctionTest.cpp
===================================================================
--- llvm/trunk/unittests/IR/FunctionTest.cpp
+++ llvm/trunk/unittests/IR/FunctionTest.cpp
@@ -33,6 +33,14 @@
   // The argument list should be populated at first access.
   (void)F->arg_begin();
   EXPECT_FALSE(F->hasLazyArguments());
+
+  // Checking that getArg gets the arguments from F1 in the correct order.
+  unsigned i = 0;
+  for (Argument &A : F->args()) {
+    EXPECT_EQ(&A, F->getArg(i));
+    ++i;
+  }
+  EXPECT_FALSE(F->hasLazyArguments());
 }
 
 TEST(FunctionTest, stealArgumentListFrom) {
Index: llvm/trunk/include/llvm/IR/Function.h
===================================================================
--- llvm/trunk/include/llvm/IR/Function.h
+++ llvm/trunk/include/llvm/IR/Function.h
@@ -710,6 +710,12 @@
     return Arguments + NumArgs;
   }
 
+  Argument* getArg(unsigned i) const {
+    assert (i < NumArgs && "getArg() out of range!");
+    CheckLazyArguments();
+    return Arguments + i;
+  }
+
   iterator_range<arg_iterator> args() {
     return make_range(arg_begin(), arg_end());
   }


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