diff options
Diffstat (limited to 'lib/Transforms/InstCombine/InstCombineCasts.cpp')
| -rw-r--r-- | lib/Transforms/InstCombine/InstCombineCasts.cpp | 13 |
1 files changed, 3 insertions, 10 deletions
diff --git a/lib/Transforms/InstCombine/InstCombineCasts.cpp b/lib/Transforms/InstCombine/InstCombineCasts.cpp index b432641a14..dcf7be1a91 100644 --- a/lib/Transforms/InstCombine/InstCombineCasts.cpp +++ b/lib/Transforms/InstCombine/InstCombineCasts.cpp @@ -87,10 +87,8 @@ Instruction *InstCombiner::PromoteCastOfAllocation(BitCastInst &CI, // If the allocation has multiple uses, only promote it if we are strictly // increasing the alignment of the resultant allocation. If we keep it the - // same, we open the door to infinite loops of various kinds. (A reference - // from a dbg.declare doesn't count as a use for this purpose.) - if (!AI.hasOneUse() && !hasOneUsePlusDeclare(&AI) && - CastElTyAlign == AllocElTyAlign) return 0; + // same, we open the door to infinite loops of various kinds. + if (!AI.hasOneUse() && CastElTyAlign == AllocElTyAlign) return 0; uint64_t AllocElTySize = TD->getTypeAllocSize(AllocElTy); uint64_t CastElTySize = TD->getTypeAllocSize(CastElTy); @@ -128,15 +126,10 @@ Instruction *InstCombiner::PromoteCastOfAllocation(BitCastInst &CI, New->setAlignment(AI.getAlignment()); New->takeName(&AI); - // If the allocation has one real use plus a dbg.declare, just remove the - // declare. - if (DbgDeclareInst *DI = hasOneUsePlusDeclare(&AI)) { - EraseInstFromFunction(*(Instruction*)DI); - } // If the allocation has multiple real uses, insert a cast and change all // things that used it to use the new cast. This will also hack on CI, but it // will die soon. - else if (!AI.hasOneUse()) { + if (!AI.hasOneUse()) { // New is the allocation instruction, pointer typed. AI is the original // allocation instruction, also pointer typed. Thus, cast to use is BitCast. Value *NewCast = AllocaBuilder.CreateBitCast(New, AI.getType(), "tmpcast"); |