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Update comments to use doxygen syntax.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73621 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2009-06-17 17:51:33 +00:00
parent f2aac28d30
commit e3a6165423
1 changed files with 11 additions and 11 deletions
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22
lib/Transforms/Scalar/LoopStrengthReduce.cpp
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@ -1129,11 +1129,11 @@ static bool isNonConstantNegative(const SCEVHandle &Expr) {
return SC->getValue()->getValue().isNegative();
}
// CollectIVUsers - Transform our list of users and offsets to a bit more
// complex table. In this new vector, each 'BasedUser' contains 'Base', the base
// of the strided accesses, as well as the old information from Uses. We
// progressively move information from the Base field to the Imm field, until
// we eventually have the full access expression to rewrite the use.
/// CollectIVUsers - Transform our list of users and offsets to a bit more
/// complex table. In this new vector, each 'BasedUser' contains 'Base', the base
/// of the strided accesses, as well as the old information from Uses. We
/// progressively move information from the Base field to the Imm field, until
/// we eventually have the full access expression to rewrite the use.
SCEVHandle LoopStrengthReduce::CollectIVUsers(const SCEVHandle &Stride,
IVUsersOfOneStride &Uses,
Loop *L,
@ -2284,9 +2284,9 @@ void LoopStrengthReduce::OptimizeShadowIV(Loop *L) {
}
}
// OptimizeIndvars - Now that IVUsesByStride is set up with all of the indvar
// uses in the loop, look to see if we can eliminate some, in favor of using
// common indvars for the different uses.
/// OptimizeIndvars - Now that IVUsesByStride is set up with all of the indvar
/// uses in the loop, look to see if we can eliminate some, in favor of using
/// common indvars for the different uses.
void LoopStrengthReduce::OptimizeIndvars(Loop *L) {
// TODO: implement optzns here.
@ -2413,9 +2413,9 @@ void LoopStrengthReduce::OptimizeLoopTermCond(Loop *L) {
++NumLoopCond;
}
// OptimizeLoopCountIV - If, after all sharing of IVs, the IV used for deciding
// when to exit the loop is used only for that purpose, try to rearrange things
// so it counts down to a test against zero.
/// OptimizeLoopCountIV - If, after all sharing of IVs, the IV used for deciding
/// when to exit the loop is used only for that purpose, try to rearrange things
/// so it counts down to a test against zero.
void LoopStrengthReduce::OptimizeLoopCountIV(Loop *L) {
// If the number of times the loop is executed isn't computable, give up.