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authorJakob Stoklund Olesen <stoklund@2pi.dk>2010-06-24 15:56:59 +0000
committerJakob Stoklund Olesen <stoklund@2pi.dk>2010-06-24 15:56:59 +0000
commitaf5c60b40d50af635e1d02c0c3db508cfb9f2d1f (patch)
tree093e9a54043fdac86dccd659b4b70696c3cccd04 /lib/CodeGen/LiveIntervalAnalysis.cpp
parent2f1ab74e763ba7f10a058f62393d0987f6f7e298 (diff)
Verify that VNI kills are pointing to existing instructions.
In this case it is essential that the kill is real because the spiller will decide to omit a spill if it thinks there is a later kill. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106751 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/LiveIntervalAnalysis.cpp')
-rw-r--r--lib/CodeGen/LiveIntervalAnalysis.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp
index 7d23cd0c9d..6d072a4145 100644
--- a/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -1284,6 +1284,7 @@ bool LiveIntervals::anyKillInMBBAfterIdx(const LiveInterval &li,
continue;
SlotIndex KillIdx = VNI->kills[j];
+ assert(getInstructionFromIndex(KillIdx) && "Dangling kill");
if (KillIdx > Idx && KillIdx <= End)
return true;
}