From: Davide Italiano <davide@freebsd.org>
Date: Tue, 18 Apr 2017 21:42:21 +0000 (+0000)
Subject: [LoopReroll] Prefer hasNUses/hasNUses or more as they're cheaper. NFCI.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=0b4630581a4f9bef8ca7fe45fb7c01c13add1393;p=llvm

[LoopReroll] Prefer hasNUses/hasNUses or more as they're cheaper. NFCI.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@300607 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Transforms/Scalar/LoopRerollPass.cpp b/lib/Transforms/Scalar/LoopRerollPass.cpp
index d54ad58fe1d..fd15a9014de 100644
--- a/lib/Transforms/Scalar/LoopRerollPass.cpp
+++ b/lib/Transforms/Scalar/LoopRerollPass.cpp
@@ -852,7 +852,7 @@ collectPossibleRoots(Instruction *Base, std::map<int64_t,Instruction*> &Roots) {
   for (auto &KV : Roots) {
     if (KV.first == 0)
       continue;
-    if (KV.second->getNumUses() != NumBaseUses) {
+    if (!KV.second->hasNUses(NumBaseUses)) {
       DEBUG(dbgs() << "LRR: Aborting - Root and Base #users not the same: "
             << "#Base=" << NumBaseUses << ", #Root=" <<
             KV.second->getNumUses() << "\n");
@@ -867,7 +867,7 @@ void LoopReroll::DAGRootTracker::
 findRootsRecursive(Instruction *I, SmallInstructionSet SubsumedInsts) {
   // Does the user look like it could be part of a root set?
   // All its users must be simple arithmetic ops.
-  if (I->getNumUses() > IL_MaxRerollIterations)
+  if (I->hasNUsesOrMore(IL_MaxRerollIterations + 1))
     return;
 
   if (I != IV && findRootsBase(I, SubsumedInsts))