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Add comments to TargetLowering.h indicating that the set*Alignment functions take arguments in log2(bytes)

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llvm-svn: 142213
This commit is contained in:
Hal Finkel 2011-10-17 18:23:13 +00:00
parent 2ee7de36b8
commit e8091aad04
1 changed files with 5 additions and 3 deletions
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8
include/llvm/Target/TargetLowering.h
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@ -1138,26 +1138,28 @@ protected:
JumpBufAlignment = Align;
}
/// setMinFunctionAlignment - Set the target's minimum function alignment.
/// setMinFunctionAlignment - Set the target's minimum function alignment (in
/// log2(bytes))
void setMinFunctionAlignment(unsigned Align) {
MinFunctionAlignment = Align;
}
/// setPrefFunctionAlignment - Set the target's preferred function alignment.
/// This should be set if there is a performance benefit to
/// higher-than-minimum alignment
/// higher-than-minimum alignment (in log2(bytes))
void setPrefFunctionAlignment(unsigned Align) {
PrefFunctionAlignment = Align;
}
/// setPrefLoopAlignment - Set the target's preferred loop alignment. Default
/// alignment is zero, it means the target does not care about loop alignment.
/// The alignment is specified in log2(bytes).
void setPrefLoopAlignment(unsigned Align) {
PrefLoopAlignment = Align;
}
/// setMinStackArgumentAlignment - Set the minimum stack alignment of an
/// argument.
/// argument (in log2(bytes)).
void setMinStackArgumentAlignment(unsigned Align) {
MinStackArgumentAlignment = Align;
}