diff options
Diffstat (limited to 'lib/Target/SparcV9/DecomposeMultiDimRefs.cpp')
| -rw-r--r-- | lib/Target/SparcV9/DecomposeMultiDimRefs.cpp | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/lib/Target/SparcV9/DecomposeMultiDimRefs.cpp b/lib/Target/SparcV9/DecomposeMultiDimRefs.cpp index e530611647..1f6dbda199 100644 --- a/lib/Target/SparcV9/DecomposeMultiDimRefs.cpp +++ b/lib/Target/SparcV9/DecomposeMultiDimRefs.cpp @@ -1,10 +1,10 @@ //===- llvm/Transforms/DecomposeMultiDimRefs.cpp - Lower array refs to 1D -===// -// +// // The LLVM Compiler Infrastructure // // This file was developed by the LLVM research group and is distributed under // the University of Illinois Open Source License. See LICENSE.TXT for details. -// +// //===----------------------------------------------------------------------===// // // DecomposeMultiDimRefs - Convert multi-dimensional references consisting of @@ -57,28 +57,28 @@ static inline bool isZeroConst (Value *V) { } // Function: DecomposeArrayRef() -// +// // For any GetElementPtrInst with 2 or more array and structure indices: -// +// // opCode CompositeType* P, [uint|ubyte] idx1, ..., [uint|ubyte] idxN -// +// // this function generates the following sequence: -// +// // ptr1 = getElementPtr P, idx1 // ptr2 = getElementPtr ptr1, 0, idx2 // ... // ptrN-1 = getElementPtr ptrN-2, 0, idxN-1 // opCode ptrN-1, 0, idxN // New-MAI -// +// // Then it replaces the original instruction with this sequence, // and replaces all uses of the original instruction with New-MAI. // If idx1 is 0, we simply omit the first getElementPtr instruction. -// +// // On return: BBI points to the instruction after the current one // (whether or not *BBI was replaced). -// +// // Return value: true if the instruction was replaced; false otherwise. -// +// bool llvm::DecomposeArrayRef(GetElementPtrInst* GEP) { if (GEP->getNumIndices() < 2 || (GEP->getNumIndices() == 2 @@ -97,7 +97,7 @@ bool llvm::DecomposeArrayRef(GetElementPtrInst* GEP) { User::const_op_iterator OI = GEP->idx_begin(), OE = GEP->idx_end(); for (; OI+1 != OE; ++OI) { std::vector<Value*> Indices; - + // If this is the first index and is 0, skip it and move on! if (OI == GEP->idx_begin()) { if (isZeroConst (*OI)) |