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do not share old induction variables when this would result in invalid

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instructions (that would have to be split later)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35227 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dale Johannesen
2007-03-20 21:54:54 +00:00
parent 69cb9b78f1
commit 8e59e163db
5 changed files with 81 additions and 18 deletions
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16
lib/CodeGen/SelectionDAG/TargetLowering.cpp
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@@ -1958,6 +1958,22 @@ bool TargetLowering::isLegalAddressScale(int64_t S, const Type *Ty) const {
return false;
}
/// isLegalAddressScaleAndImm - Return true if S works for IsLegalAddressScale
/// and V works for isLegalAddressImmediate _and_ both can be applied
/// simultaneously to the same instruction.
bool TargetLowering::isLegalAddressScaleAndImm(int64_t S, int64_t V,
const Type* Ty) const {
return false;
}
/// isLegalAddressScaleAndImm - Return true if S works for IsLegalAddressScale
/// and GV works for isLegalAddressImmediate _and_ both can be applied
/// simultaneously to the same instruction.
bool TargetLowering::isLegalAddressScaleAndImm(int64_t S,
GlobalValue *GV) const {
return false;
}
// Magic for divide replacement