From: Chris Lattner <sabre@nondot.org>
Date: Tue, 17 Apr 2007 17:36:12 +0000 (+0000)
Subject: eliminate a use of Instruction::getPrev(), patch by Gabor Greif in 2005.
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=4d8c16f15a9ee1b646e385bddd20a4a069e2885b;p=oota-llvm.git

eliminate a use of Instruction::getPrev(), patch by Gabor Greif in 2005.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36197 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/VMCore/Verifier.cpp b/lib/VMCore/Verifier.cpp
index d09f157b7b1..98f26495ce0 100644
--- a/lib/VMCore/Verifier.cpp
+++ b/lib/VMCore/Verifier.cpp
@@ -640,7 +640,8 @@ void Verifier::visitPHINode(PHINode &PN) {
   // This can be tested by checking whether the instruction before this is
   // either nonexistent (because this is begin()) or is a PHI node.  If not,
   // then there is some other instruction before a PHI.
-  Assert2(&PN.getParent()->front() == &PN || isa<PHINode>(PN.getPrev()),
+  Assert2(&PN == &PN.getParent()->front() || 
+          isa<PHINode>(--BasicBlock::iterator(&PN)),
           "PHI nodes not grouped at top of basic block!",
           &PN, PN.getParent());