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Remove an obsolete comment and fix some 80-column violations.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74059 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2009-06-24 04:47:54 +00:00
parent 9a023f70b4
commit 650919e8b0
1 changed files with 10 additions and 8 deletions
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18
include/llvm/Analysis/ScalarEvolution.h
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@ -44,8 +44,8 @@ namespace llvm {
class SCEVUnknown;
/// SCEV - This class represents an analyzed expression in the program. These
/// are reference-counted opaque objects that the client is not allowed to
/// do much with directly.
/// are opaque objects that the client is not allowed to do much with
/// directly.
///
class SCEV {
const unsigned SCEVType; // The SCEV baseclass this node corresponds to
@ -305,8 +305,9 @@ namespace llvm {
/// try to evaluate a few iterations of the loop until we get the exit
/// condition gets a value of ExitWhen (true or false). If we cannot
/// evaluate the trip count of the loop, return CouldNotCompute.
const SCEV* ComputeBackedgeTakenCountExhaustively(const Loop *L, Value *Cond,
bool ExitWhen);
const SCEV* ComputeBackedgeTakenCountExhaustively(const Loop *L,
Value *Cond,
bool ExitWhen);
/// HowFarToZero - Return the number of times a backedge comparing the
/// specified value to zero will execute. If not computable, return
@ -542,10 +543,11 @@ namespace llvm {
/// is deleted.
void forgetLoopBackedgeTakenCount(const Loop *L);
/// GetMinTrailingZeros - Determine the minimum number of zero bits that S is
/// guaranteed to end in (at every loop iteration). It is, at the same time,
/// the minimum number of times S is divisible by 2. For example, given {4,+,8}
/// it returns 2. If S is guaranteed to be 0, it returns the bitwidth of S.
/// GetMinTrailingZeros - Determine the minimum number of zero bits that S
/// is guaranteed to end in (at every loop iteration). It is, at the same
/// time, the minimum number of times S is divisible by 2. For example,
/// given {4,+,8} it returns 2. If S is guaranteed to be 0, it returns the
/// bitwidth of S.
uint32_t GetMinTrailingZeros(const SCEV* S);
/// GetMinLeadingZeros - Determine the minimum number of zero bits that S is