commit 3e22cb9ec30cd9b1be9b0f50e400f512124997e5
author Eli Friedman <eli.friedman@gmail.com> Wed May 18 00:32:01 2011 +0000
committer Eli Friedman <eli.friedman@gmail.com> Wed May 18 00:32:01 2011 +0000
tree d91505c1c58284bc084beddbb3db5e371173f68b
parent 28b42afcb88b796008d7fc1b84b754191e9566fa

Use ReplaceInstUsesWith instead of replaceAllUsesWith where appropriate in instcombine.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131512 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/InstCombine/InstCombineCalls.cpp

diff --git a/lib/Transforms/InstCombine/InstCombineCalls.cpp b/lib/Transforms/InstCombine/InstCombineCalls.cpp
index 83653fd..08185f5 100644
--- a/lib/Transforms/InstCombine/InstCombineCalls.cpp
+++ b/lib/Transforms/InstCombine/InstCombineCalls.cpp
@@ -835,7 +835,7 @@
       // If OldCall dues not return void then replaceAllUsesWith undef.
       // This allows ValueHandlers and custom metadata to adjust itself.
       if (!OldCall->getType()->isVoidTy())
-        OldCall->replaceAllUsesWith(UndefValue::get(OldCall->getType()));
+        ReplaceInstUsesWith(*OldCall, UndefValue::get(OldCall->getType()));
       if (isa<CallInst>(OldCall))
         return EraseInstFromFunction(*OldCall);
       
@@ -857,8 +857,8 @@
     // If CS does not return void then replaceAllUsesWith undef.
     // This allows ValueHandlers and custom metadata to adjust itself.
     if (!CS.getInstruction()->getType()->isVoidTy())
-      CS.getInstruction()->
-        replaceAllUsesWith(UndefValue::get(CS.getInstruction()->getType()));
+      ReplaceInstUsesWith(*CS.getInstruction(),
+                          UndefValue::get(CS.getInstruction()->getType()));
 
     if (InvokeInst *II = dyn_cast<InvokeInst>(CS.getInstruction())) {
       // Don't break the CFG, insert a dummy cond branch.
@@ -1145,8 +1145,8 @@
   }
 
   if (!Caller->use_empty())
-    Caller->replaceAllUsesWith(NV);
-  
+    ReplaceInstUsesWith(*Caller, NV);
+
   EraseInstFromFunction(*Caller);
   return true;
 }
@@ -1291,7 +1291,7 @@
         cast<CallInst>(NewCaller)->setAttributes(NewPAL);
       }
       if (!Caller->getType()->isVoidTy())
-        Caller->replaceAllUsesWith(NewCaller);
+        ReplaceInstUsesWith(*Caller, NewCaller);
       Caller->eraseFromParent();
       Worklist.Remove(Caller);
       return 0;