Changes in directory llvm/lib/Transforms/Scalar:
LoopStrengthReduce.cpp updated: 1.134 -> 1.135 --- Log message: Allow strength reduction to make use of addressing modes for the address operand in a prefetch intrinsic. --- Diffs of the changes: (+10 -1) LoopStrengthReduce.cpp | 11 ++++++++++- 1 files changed, 10 insertions(+), 1 deletion(-) Index: llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp diff -u llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp:1.134 llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp:1.135 --- llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp:1.134 Wed May 2 20:11:54 2007 +++ llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp Thu May 3 18:20:33 2007 @@ -19,6 +19,7 @@ #include "llvm/Transforms/Scalar.h" #include "llvm/Constants.h" #include "llvm/Instructions.h" +#include "llvm/Intrinsics.h" #include "llvm/Type.h" #include "llvm/DerivedTypes.h" #include "llvm/Analysis/Dominators.h" @@ -1039,9 +1040,17 @@ // Addressing modes can be folded into loads and stores. Be careful that // the store is through the expression, not of the expression though. bool isAddress = isa<LoadInst>(UsersToProcess[i].Inst); - if (StoreInst *SI = dyn_cast<StoreInst>(UsersToProcess[i].Inst)) + if (StoreInst *SI = dyn_cast<StoreInst>(UsersToProcess[i].Inst)) { if (SI->getOperand(1) == UsersToProcess[i].OperandValToReplace) isAddress = true; + } else if (CallInst *CI = dyn_cast<CallInst>(UsersToProcess[i].Inst)) { + // Addressing modes can also be folded into prefetches. + Function *CalledFunc = CI->getCalledFunction(); + if (CalledFunc != NULL && + CalledFunc->getIntrinsicID() == Intrinsic::prefetch && + CI->getOperand(1) == UsersToProcess[i].OperandValToReplace) + isAddress = true; + } MoveImmediateValues(TLI, UsersToProcess[i].Inst, UsersToProcess[i].Base, UsersToProcess[i].Imm, isAddress, L); _______________________________________________ llvm-commits mailing list llvm-commits@cs.uiuc.edu http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits