From 1f9c4407c0e66f0c473ed5d6e3abcedda3a838c9 Mon Sep 17 00:00:00 2001
From: John McCall <rjmccall@apple.com>
Date: Fri, 22 Mar 2013 21:38:36 +0000
Subject: Kill every call to @clang.arc.use in the ARC contract phase.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177769 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Transforms/ObjCARC/ObjCARCContract.cpp | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'lib/Transforms/ObjCARC/ObjCARCContract.cpp')

diff --git a/lib/Transforms/ObjCARC/ObjCARCContract.cpp b/lib/Transforms/ObjCARC/ObjCARCContract.cpp
index 1c13d1cbea..5d0865e8be 100644
--- a/lib/Transforms/ObjCARC/ObjCARCContract.cpp
+++ b/lib/Transforms/ObjCARC/ObjCARCContract.cpp
@@ -453,6 +453,10 @@ bool ObjCARCContract::runOnFunction(Function &F) {
       if (isa<AllocaInst>(Inst))
         TailOkForStoreStrongs = false;
       continue;
+    case IC_IntrinsicUser:
+      // Remove calls to @clang.arc.use(...).
+      Inst->eraseFromParent();
+      continue;
     default:
       continue;
     }
-- 
cgit v1.2.3-18-g5258


From f0a15d88afce23453ff55894400035014ad46a15 Mon Sep 17 00:00:00 2001
From: Michael Gottesman <mgottesman@apple.com>
Date: Mon, 25 Mar 2013 09:27:43 +0000
Subject: Changed isNullOrUndef => IsNullOrUndef and isNoopInstruction =>
 IsNoopInstruction so that all helper functions are named similarly in
 ObjCARC.h.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177855 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Transforms/ObjCARC/ObjCARCContract.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'lib/Transforms/ObjCARC/ObjCARCContract.cpp')

diff --git a/lib/Transforms/ObjCARC/ObjCARCContract.cpp b/lib/Transforms/ObjCARC/ObjCARCContract.cpp
index 5d0865e8be..b96c64fe81 100644
--- a/lib/Transforms/ObjCARC/ObjCARCContract.cpp
+++ b/lib/Transforms/ObjCARC/ObjCARCContract.cpp
@@ -410,7 +410,7 @@ bool ObjCARCContract::runOnFunction(Function &F) {
           break;
         }
         --BBI;
-      } while (isNoopInstruction(BBI));
+      } while (IsNoopInstruction(BBI));
 
       if (&*BBI == GetObjCArg(Inst)) {
         DEBUG(dbgs() << "ObjCARCContract: Adding inline asm marker for "
@@ -429,7 +429,7 @@ bool ObjCARCContract::runOnFunction(Function &F) {
     case IC_InitWeak: {
       // objc_initWeak(p, null) => *p = null
       CallInst *CI = cast<CallInst>(Inst);
-      if (isNullOrUndef(CI->getArgOperand(1))) {
+      if (IsNullOrUndef(CI->getArgOperand(1))) {
         Value *Null =
           ConstantPointerNull::get(cast<PointerType>(CI->getType()));
         Changed = true;
-- 
cgit v1.2.3-18-g5258