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Use IntrinsicInst to test for prefetch instructions, which is ever so

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slightly nicer than using CallInst with an extra check; thanks Chris.

llvm-svn: 36743
This commit is contained in:
Dan Gohman 2007-05-04 14:59:09 +00:00
parent ddc5d5ce50
commit a97484da91
1 changed files with 5 additions and 6 deletions
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11
lib/Transforms/Scalar/LoopStrengthReduce.cpp
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@ -19,7 +19,7 @@
#include "llvm/Transforms/Scalar.h"
#include "llvm/Constants.h"
#include "llvm/Instructions.h"
#include "llvm/Intrinsics.h"
#include "llvm/IntrinsicInst.h"
#include "llvm/Type.h"
#include "llvm/DerivedTypes.h"
#include "llvm/Analysis/Dominators.h"
@ -1043,12 +1043,11 @@ void LoopStrengthReduce::StrengthReduceStridedIVUsers(const SCEVHandle &Stride,
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)) {
} else if (IntrinsicInst *II =
dyn_cast<IntrinsicInst>(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)
if (II->getIntrinsicID() == Intrinsic::prefetch &&
II->getOperand(1) == UsersToProcess[i].OperandValToReplace)
isAddress = true;
}