From d7f20b6b98839210706aa056653b2ccd4e402db2 Mon Sep 17 00:00:00 2001 From: Nick Lewycky Date: Sat, 6 Jun 2009 23:13:08 +0000 Subject: [PATCH] Don't crash on multiple return value with no obvious inserted value. Fixes PR4314. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73007 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Transforms/Scalar/SCCP.cpp | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/lib/Transforms/Scalar/SCCP.cpp b/lib/Transforms/Scalar/SCCP.cpp index d73519c04e3..3deee547729 100644 --- a/lib/Transforms/Scalar/SCCP.cpp +++ b/lib/Transforms/Scalar/SCCP.cpp @@ -639,8 +639,8 @@ void SCCPSolver::visitReturnInst(ReturnInst &I) { DenseMap, LatticeVal>::iterator It = TrackedMultipleRetVals.find(std::make_pair(F, i)); if (It == TrackedMultipleRetVals.end()) break; - Value *Val = FindInsertedValue(I.getOperand(0), i); - mergeInValue(It->second, F, getValueState(Val)); + if (Value *Val = FindInsertedValue(I.getOperand(0), i)) + mergeInValue(It->second, F, getValueState(Val)); } } }