diff options
Diffstat (limited to 'lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp')
| -rw-r--r-- | lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp b/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp index 6c0ecc9f9358..ae728ddecfda 100644 --- a/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp +++ b/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp @@ -366,7 +366,7 @@ Instruction *InstCombiner::visitStoreInst(StoreInst &SI) { // alloca dead. // If the RHS is an alloca with a two uses, the other one being a // llvm.dbg.declare, zapify the store and the declare, making the - // alloca dead. We must do this to prevent declare's from affecting + // alloca dead. We must do this to prevent declares from affecting // codegen. if (!SI.isVolatile()) { if (Ptr->hasOneUse()) { @@ -408,8 +408,6 @@ Instruction *InstCombiner::visitStoreInst(StoreInst &SI) { --BBI; // Don't count debug info directives, lest they affect codegen, // and we skip pointer-to-pointer bitcasts, which are NOPs. - // It is necessary for correctness to skip those that feed into a - // llvm.dbg.declare, as these are not present when debugging is off. if (isa<DbgInfoIntrinsic>(BBI) || (isa<BitCastInst>(BBI) && isa<PointerType>(BBI->getType()))) { ScanInsts++; @@ -475,9 +473,8 @@ Instruction *InstCombiner::visitStoreInst(StoreInst &SI) { // If this store is the last instruction in the basic block (possibly - // excepting debug info instructions and the pointer bitcasts that feed - // into them), and if the block ends with an unconditional branch, try - // to move it to the successor block. + // excepting debug info instructions), and if the block ends with an + // unconditional branch, try to move it to the successor block. BBI = &SI; do { ++BBI; |