From 8cf2663227c357437bd67ff4ce54683b540f5318 Mon Sep 17 00:00:00 2001
From: Duncan Sands <baldrick@free.fr>
Date: Thu, 2 Sep 2010 08:52:23 +0000
Subject: [PATCH] Print the number of uses of a function in the .ll since it
 can be informative and there seems to be no reason not to.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112812 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/VMCore/AsmWriter.cpp                                    | 4 ++--
 test/Transforms/IndVarSimplify/2003-12-10-IndVarDeadCode.ll | 3 +--
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/lib/VMCore/AsmWriter.cpp b/lib/VMCore/AsmWriter.cpp
index ab9dd3e7f96..ce1b6f1e21e 100644
--- a/lib/VMCore/AsmWriter.cpp
+++ b/lib/VMCore/AsmWriter.cpp
@@ -1635,9 +1635,9 @@ void AssemblyWriter::printFunction(const Function *F) {
   if (F->hasGC())
     Out << " gc \"" << F->getGC() << '"';
   if (F->isDeclaration()) {
-    Out << "\n";
+    Out << " ; [#uses=" << F->getNumUses() << "]\n";  // Output # uses
   } else {
-    Out << " {";
+    Out << " { ; [#uses=" << F->getNumUses() << ']';  // Output # uses
 
     // Output all of its basic blocks... for the function
     for (Function::const_iterator I = F->begin(), E = F->end(); I != E; ++I)
diff --git a/test/Transforms/IndVarSimplify/2003-12-10-IndVarDeadCode.ll b/test/Transforms/IndVarSimplify/2003-12-10-IndVarDeadCode.ll
index c8f97e39bef..74393e87301 100644
--- a/test/Transforms/IndVarSimplify/2003-12-10-IndVarDeadCode.ll
+++ b/test/Transforms/IndVarSimplify/2003-12-10-IndVarDeadCode.ll
@@ -1,8 +1,7 @@
 ; The induction variable canonicalization pass shouldn't leave dead
 ; instructions laying around!
 ;
-; RUN: opt < %s -indvars -S | \
-; RUN:   not grep {#uses=0}
+; RUN: opt < %s -indvars -S | grep {#uses=0} | count 1
 
 define i32 @mul(i32 %x, i32 %y) {
 entry: