From: Jakob Stoklund Olesen <stoklund@2pi.dk>
Date: Thu, 17 May 2012 18:32:40 +0000 (+0000)
Subject: Fix a verifier bug.
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=e3da8c62864da0ed0386075baf79d612746d849b;p=oota-llvm.git

Fix a verifier bug.

Make sure useless (def-only) intervals also get verified.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157000 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/MachineVerifier.cpp b/lib/CodeGen/MachineVerifier.cpp
index 231c91b00b2..a2027509783 100644
--- a/lib/CodeGen/MachineVerifier.cpp
+++ b/lib/CodeGen/MachineVerifier.cpp
@@ -1076,7 +1076,7 @@ void MachineVerifier::verifyLiveIntervals() {
     const LiveInterval &LI = *LVI->second;
 
     // Spilling and splitting may leave unused registers around. Skip them.
-    if (MRI->use_empty(LI.reg))
+    if (MRI->reg_nodbg_empty(LI.reg))
       continue;
 
     // Physical registers have much weirdness going on, mostly from coalescing.