From 1991c47ec144e69bf3d6cb8f07ba03026e80b7b6 Mon Sep 17 00:00:00 2001 From: Mon P Wang Date: Mon, 20 Dec 2010 01:05:30 +0000 Subject: Avoid dropping the address space when InstCombine optimizes memset llvm-svn: 122215 --- llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'llvm/lib/Transforms') diff --git a/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp b/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp index d53f3291e71..58c8f5fc460 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp +++ b/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp @@ -234,7 +234,9 @@ Instruction *InstCombiner::SimplifyMemSet(MemSetInst *MI) { const Type *ITy = IntegerType::get(MI->getContext(), Len*8); // n=1 -> i8. Value *Dest = MI->getDest(); - Dest = Builder->CreateBitCast(Dest, PointerType::getUnqual(ITy)); + unsigned DstAddrSp = cast(Dest->getType())->getAddressSpace(); + Type *NewDstPtrTy = PointerType::get(ITy, DstAddrSp); + Dest = Builder->CreateBitCast(Dest, NewDstPtrTy); // Alignment 0 is identity for alignment 1 for memset, but not store. if (Alignment == 0) Alignment = 1; -- cgit v1.2.3