commit fdbdf436324c95512628b36a4aad3d2ee24c8af1
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 2dc0f1abdafad61b13582b89f214227cb026a7bf
parent 2850c677afffc27d53f6fc1a72dc77e9861bef8f

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

llvm-svn: 35375

llvm/lib/CodeGen/VirtRegMap.cpp

diff --git a/llvm/lib/CodeGen/VirtRegMap.cpp b/llvm/lib/CodeGen/VirtRegMap.cpp
index 6fcbcf2..2532fa3 100644
--- a/llvm/lib/CodeGen/VirtRegMap.cpp
+++ b/llvm/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));