From 4a7e6b7a15cea1f8ead4d1bb1cf2e3a39a339cb3 Mon Sep 17 00:00:00 2001 From: Dan Gohman Date: Mon, 7 Sep 2009 22:34:43 +0000 Subject: [PATCH] Preserve the InBounds flag when evaluating a getelementptr instruction into a getelementptr ConstantExpr. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81162 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Transforms/IPO/GlobalOpt.cpp | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/lib/Transforms/IPO/GlobalOpt.cpp b/lib/Transforms/IPO/GlobalOpt.cpp index 594243c3db9..293de6c7f4e 100644 --- a/lib/Transforms/IPO/GlobalOpt.cpp +++ b/lib/Transforms/IPO/GlobalOpt.cpp @@ -2227,8 +2227,9 @@ static bool EvaluateFunction(Function *F, Constant *&RetVal, for (User::op_iterator i = GEP->op_begin() + 1, e = GEP->op_end(); i != e; ++i) GEPOps.push_back(getVal(Values, *i)); - InstResult = - ConstantExpr::getGetElementPtr(P, &GEPOps[0], GEPOps.size()); + InstResult = cast(GEP)->isInBounds() ? + ConstantExpr::getInBoundsGetElementPtr(P, &GEPOps[0], GEPOps.size()) : + ConstantExpr::getGetElementPtr(P, &GEPOps[0], GEPOps.size()); } else if (LoadInst *LI = dyn_cast(CurInst)) { if (LI->isVolatile()) return false; // no volatile accesses. InstResult = ComputeLoadResult(getVal(Values, LI->getOperand(0)),