commit fcfcdbc86a56ea97cdb87fe662311df778e85fbb
author Andrew Trick <atrick@apple.com> Tue Feb 22 06:52:56 2011 +0000
committer Andrew Trick <atrick@apple.com> Tue Feb 22 06:52:56 2011 +0000
tree bc0a0ee63dd5934f8d14c1fb5c5606642dab19ef
parent 4ecc82e592745d6995db83ea158b3c15011a84f8

VirtRegRewriter assertion fix.
Apparently it's ok for multiple operands to "kill" the same register.
Fixes PR9237.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126190 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/VirtRegRewriter.cpp

diff --git a/lib/CodeGen/VirtRegRewriter.cpp b/lib/CodeGen/VirtRegRewriter.cpp
index 458a213..ec149dd 100644
--- a/lib/CodeGen/VirtRegRewriter.cpp
+++ b/lib/CodeGen/VirtRegRewriter.cpp
@@ -478,7 +478,8 @@
   if (!RegKills[KReg])
     return;
 
-  assert(KillOps[KReg] == KillOp && "invalid superreg kill flags");
+  assert(KillOps[KReg]->getParent() == KillOp->getParent() &&
+         "invalid superreg kill flags");
   KillOps[KReg] = NULL;
   RegKills.reset(KReg);
 
@@ -487,7 +488,8 @@
   for (const unsigned *SR = TRI->getSubRegisters(KReg); *SR; ++SR) {
     DEBUG(dbgs() << "  Resurrect subreg " << TRI->getName(*SR) << "\n");
 
-    assert(KillOps[*SR] == KillOp && "invalid subreg kill flags");
+    assert(KillOps[*SR]->getParent() == KillOp->getParent() &&
+           "invalid subreg kill flags");
     KillOps[*SR] = NULL;
     RegKills.reset(*SR);
   }