Fix a bad iterator dereference that Evan uncovered.
llvm-svn: 133978
diff --git a/llvm/lib/CodeGen/SplitKit.cpp b/llvm/lib/CodeGen/SplitKit.cpp
index 18f315a..55b1114 100644
--- a/llvm/lib/CodeGen/SplitKit.cpp
+++ b/llvm/lib/CodeGen/SplitKit.cpp
@@ -76,12 +76,14 @@
return LSP.first;
// There may not be a call instruction (?) in which case we ignore LPad.
LSP.second = LSP.first;
- for (MachineBasicBlock::const_iterator I = FirstTerm, E = MBB->begin();
- I != E; --I)
+ for (MachineBasicBlock::const_iterator I = MBB->end(), E = MBB->begin();
+ I != E;) {
+ --I;
if (I->getDesc().isCall()) {
LSP.second = LIS.getInstructionIndex(I);
break;
}
+ }
}
// If CurLI is live into a landing pad successor, move the last split point