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-rw-r--r--lib/Transforms/Scalar/JumpThreading.cpp2
-rw-r--r--test/Transforms/JumpThreading/crash.ll22
2 files changed, 23 insertions, 1 deletions
diff --git a/lib/Transforms/Scalar/JumpThreading.cpp b/lib/Transforms/Scalar/JumpThreading.cpp
index f52110f..4918b73 100644
--- a/lib/Transforms/Scalar/JumpThreading.cpp
+++ b/lib/Transforms/Scalar/JumpThreading.cpp
@@ -267,7 +267,7 @@ ComputeValueKnownInPredecessors(Value *V, BasicBlock *BB,PredValueInfo &Result){
ConstantInt *CI = dyn_cast<ConstantInt>(V);
Result.resize(TheFirstPHI->getNumIncomingValues());
for (unsigned i = 0, e = Result.size(); i != e; ++i)
- Result.push_back(std::make_pair(CI, TheFirstPHI->getIncomingBlock(i)));
+ Result[i] = std::make_pair(CI, TheFirstPHI->getIncomingBlock(i));
return true;
}
diff --git a/test/Transforms/JumpThreading/crash.ll b/test/Transforms/JumpThreading/crash.ll
index 862b403..7e2a2a0 100644
--- a/test/Transforms/JumpThreading/crash.ll
+++ b/test/Transforms/JumpThreading/crash.ll
@@ -170,3 +170,25 @@ bb32.i:
ret i32 1
}
+
+define fastcc void @test5(i1 %tmp, i32 %tmp1) nounwind ssp {
+entry:
+ br i1 %tmp, label %bb12, label %bb13
+
+
+bb12:
+ br label %bb13
+
+bb13:
+ %.lcssa31 = phi i32 [ undef, %bb12 ], [ %tmp1, %entry ]
+ %A = and i1 undef, undef
+ br i1 %A, label %bb15, label %bb61
+
+bb15:
+ ret void
+
+
+bb61:
+ ret void
+}
+