commit 018d6e153768b382ac663164d91e2ea539e7cb0e
author Evan Cheng <evan.cheng@apple.com> Tue Mar 27 00:48:28 2007 +0000
committer Evan Cheng <evan.cheng@apple.com> Tue Mar 27 00:48:28 2007 +0000
tree dd0a846bd999dc056878e0b76aec85a8e2512ac0
parent 40d2cd13a59f66581773e235ca6fbe383f6e68ac

Don't call getOperandConstraint() if operand index is greater than
TID->numOperands.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35375 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/VirtRegMap.cpp

diff --git a/lib/CodeGen/VirtRegMap.cpp b/lib/CodeGen/VirtRegMap.cpp
index 6fcbcf2..2532fa3 100644
--- a/lib/CodeGen/VirtRegMap.cpp
+++ b/lib/CodeGen/VirtRegMap.cpp
@@ -965,7 +965,8 @@
                   if (WasKill) {
                     const TargetInstrDescriptor *NTID =
                       NextMII->getInstrDescriptor();
-                    if (NTID->getOperandConstraint(UIdx, TOI::TIED_TO) == -1)
+                    if (UIdx >= NTID->numOperands ||
+                        NTID->getOperandConstraint(UIdx, TOI::TIED_TO) == -1)
                       MOU.setIsKill();
                   }
                   Spills.addLastUse(InReg, &(*NextMII));