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Move SCEVExpander::getOrInsertCanonicalInductionVariable out of line.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72949 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2009-06-05 16:35:53 +00:00
parent c965ee223c
commit 1d09de3eca
2 changed files with 14 additions and 6 deletions
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7
include/llvm/Analysis/ScalarEvolutionExpander.h
View File

@ -60,12 +60,7 @@ namespace llvm {
/// canonical induction variable of the specified type for the specified
/// loop (inserting one if there is none). A canonical induction variable
/// starts at zero and steps by one on each iteration.
Value *getOrInsertCanonicalInductionVariable(const Loop *L, const Type *Ty){
assert(Ty->isInteger() && "Can only insert integer induction variables!");
SCEVHandle H = SE.getAddRecExpr(SE.getIntegerSCEV(0, Ty),
SE.getIntegerSCEV(1, Ty), L);
return expand(H);
}
Value *getOrInsertCanonicalInductionVariable(const Loop *L, const Type *Ty);
/// addInsertedValue - Remember the specified instruction as being the
/// canonical form for the specified SCEV.

13
lib/Analysis/ScalarEvolutionExpander.cpp
View File

@ -644,3 +644,16 @@ Value *SCEVExpander::expand(const SCEV *S) {
InsertedExpressions[S] = V;
return V;
}
/// getOrInsertCanonicalInductionVariable - This method returns the
/// canonical induction variable of the specified type for the specified
/// loop (inserting one if there is none). A canonical induction variable
/// starts at zero and steps by one on each iteration.
Value *
SCEVExpander::getOrInsertCanonicalInductionVariable(const Loop *L,
const Type *Ty) {
assert(Ty->isInteger() && "Can only insert integer induction variables!");
SCEVHandle H = SE.getAddRecExpr(SE.getIntegerSCEV(0, Ty),
SE.getIntegerSCEV(1, Ty), L);
return expand(H);
}