diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/SROA.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Scalar/SROA.cpp b/llvm/lib/Transforms/Scalar/SROA.cpp index 2e5023398f2..bfe3754f076 100644 --- a/llvm/lib/Transforms/Scalar/SROA.cpp +++ b/llvm/lib/Transforms/Scalar/SROA.cpp @@ -124,6 +124,11 @@ static cl::opt<bool> SROARandomShuffleSlices("sroa-random-shuffle-slices", static cl::opt<bool> SROAStrictInbounds("sroa-strict-inbounds", cl::init(false), cl::Hidden); +/// Hidden option to allow more aggressive splitting. +static cl::opt<bool> +SROASplitNonWholeAllocaSlices("sroa-split-nonwhole-alloca-slices", + cl::init(false), cl::Hidden); + namespace { /// \brief A custom IRBuilder inserter which prefixes all names, but only in @@ -4058,7 +4063,7 @@ bool SROA::splitAlloca(AllocaInst &AI, AllocaSlices &AS) { uint64_t AllocaSize = DL.getTypeAllocSize(AI.getAllocatedType()); const uint64_t MaxBitVectorSize = 1024; - if (AllocaSize <= MaxBitVectorSize) { + if (SROASplitNonWholeAllocaSlices && AllocaSize <= MaxBitVectorSize) { // If a byte boundary is included in any load or store, a slice starting or // ending at the boundary is not splittable. SmallBitVector SplittableOffset(AllocaSize + 1, true); |
