Return iterator from Instruction::eraseFromParent.

Summary:
This is necessary in order to make removal while using reverse iterators work.

(See http://lists.cs.uiuc.edu/pipermail/llvmdev/2015-March/084122.html)

Updates to other eraseFromParent's to come in later patches.

Reviewers: chandlerc

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D8783

llvm-svn: 233869

1 files changed, 2 insertions, 2 deletions

diff --git a/llvm/lib/IR/Instruction.cpp b/llvm/lib/IR/Instruction.cpp
index 7d9bd7ed5ff..57c143cca2c 100644
--- a/llvm/lib/IR/Instruction.cpp
+++ b/llvm/lib/IR/Instruction.cpp
@@ -62,8 +62,8 @@ void Instruction::removeFromParent() {
   getParent()->getInstList().remove(this);
 }
 
-void Instruction::eraseFromParent() {
-  getParent()->getInstList().erase(this);
+iplist<Instruction>::iterator Instruction::eraseFromParent() {
+  return getParent()->getInstList().erase(this);
 }
 
 /// insertBefore - Insert an unlinked instructions into a basic block