From: Dan Gohman <gohman@apple.com>
Date: Tue, 26 Jan 2010 04:12:55 +0000 (+0000)
Subject: Print empty and full sets specially.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=df6d5e03940c8a2a560b74a69061aff4ae1badf3;p=oota-llvm.git

Print empty and full sets specially.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94506 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Support/ConstantRange.cpp b/lib/Support/ConstantRange.cpp
index ddf14e33eed..bfee730db14 100644
--- a/lib/Support/ConstantRange.cpp
+++ b/lib/Support/ConstantRange.cpp
@@ -650,7 +650,12 @@ ConstantRange::lshr(const ConstantRange &Amount) const {
 /// print - Print out the bounds to a stream...
 ///
 void ConstantRange::print(raw_ostream &OS) const {
-  OS << "[" << Lower << "," << Upper << ")";
+  if (isFullSet())
+    OS << "full-set";
+  else if (isEmptySet())
+    OS << "empty-set";
+  else
+    OS << "[" << Lower << "," << Upper << ")";
 }
 
 /// dump - Allow printing from a debugger easily...