From 14ce7d1ebabb4455a5f4982bdd290e4bdb7d0702 Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Mon, 7 Jul 2008 19:55:35 +0000
Subject: Assert that all MachineInstrs update PhysRegUseDefLists in their
 cleanup code.

llvm-svn: 53194
---
 llvm/lib/CodeGen/MachineRegisterInfo.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'llvm/lib/CodeGen/MachineRegisterInfo.cpp')

diff --git a/llvm/lib/CodeGen/MachineRegisterInfo.cpp b/llvm/lib/CodeGen/MachineRegisterInfo.cpp
index b3ee0358bb1..c247a22d23e 100644
--- a/llvm/lib/CodeGen/MachineRegisterInfo.cpp
+++ b/llvm/lib/CodeGen/MachineRegisterInfo.cpp
@@ -27,6 +27,9 @@ MachineRegisterInfo::~MachineRegisterInfo() {
 #ifndef NDEBUG
   for (unsigned i = 0, e = VRegInfo.size(); i != e; ++i)
     assert(VRegInfo[i].second == 0 && "Vreg use list non-empty still?");
+  for (unsigned i = 0, e = UsedPhysRegs.size(); i != e; ++i)
+    assert(!PhysRegUseDefLists[i] &&
+           "PhysRegUseDefLists has entries after all instructions are deleted");
 #endif
   delete [] PhysRegUseDefLists;
 }
-- 
cgit v1.2.3