[llvm] r328118 - TableGen: Remove redundant loop in ListInit::resolveReferences

[Nicolai Haehnle via llvm-commits]

Author: nha
Date: Wed Mar 21 10:13:10 2018
New Revision: 328118

URL: http://llvm.org/viewvc/llvm-project?rev=328118&view=rev
Log:
TableGen: Remove redundant loop in ListInit::resolveReferences

Summary:
Recursive lookups are handled by the Resolver, so the loop was purely
a waste of runtime.

Change-Id: I2bd23a68b478aea0bbac1a86ca7635adffa28688

Reviewers: arsenm, craig.topper, tra, MartinO

Subscribers: wdng, llvm-commits

Differential Revision: https://reviews.llvm.org/D44624

Modified:
    llvm/trunk/lib/TableGen/Record.cpp

Modified: llvm/trunk/lib/TableGen/Record.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/TableGen/Record.cpp?rev=328118&r1=328117&r2=328118&view=diff
==============================================================================
--- llvm/trunk/lib/TableGen/Record.cpp (original)
+++ llvm/trunk/lib/TableGen/Record.cpp Wed Mar 21 10:13:10 2018
@@ -634,13 +634,8 @@ Init *ListInit::resolveReferences(Resolv
   bool Changed = false;
 
   for (Init *CurElt : getValues()) {
-    Init *E;
-
-    do {
-      E = CurElt;
-      CurElt = CurElt->resolveReferences(R);
-      Changed |= E != CurElt;
-    } while (E != CurElt);
+    Init *E = CurElt->resolveReferences(R);
+    Changed |= E != CurElt;
     Resolved.push_back(E);
   }