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[SCEV] Minor cleanup: rename method, C++11'ify; NFC 

llvm-svn: 262374
This commit is contained in:
Sanjoy Das 2016-03-01 19:28:01 +00:00
parent b5ca00a58d
commit f1e9cae00e
2 changed files with 5 additions and 7 deletions
llvm
include/llvm/Analysis
ScalarEvolution.h
lib/Analysis
ScalarEvolution.cpp

5
llvm/include/llvm/Analysis/ScalarEvolution.h
View File

@ -657,8 +657,7 @@ namespace llvm {
DenseMap<const SCEV *, ConstantRange> &Cache = DenseMap<const SCEV *, ConstantRange> &Cache =
Hint == HINT_RANGE_UNSIGNED ? UnsignedRanges : SignedRanges; Hint == HINT_RANGE_UNSIGNED ? UnsignedRanges : SignedRanges;
std::pair<DenseMap<const SCEV *, ConstantRange>::iterator, bool> Pair = auto Pair = Cache.insert({S, CR});
Cache.insert(std::make_pair(S, CR));
if (!Pair.second) if (!Pair.second)
Pair.first->second = CR; Pair.first->second = CR;
return Pair.first->second; return Pair.first->second;
@ -698,7 +697,7 @@ namespace llvm {
/// This looks up computed SCEV values for all instructions that depend on /// This looks up computed SCEV values for all instructions that depend on
/// the given instruction and removes them from the ValueExprMap map if they /// the given instruction and removes them from the ValueExprMap map if they
/// reference SymName. This is used during PHI resolution. /// reference SymName. This is used during PHI resolution.
void ForgetSymbolicName(Instruction *I, const SCEV *SymName); void forgetSymbolicName(Instruction *I, const SCEV *SymName);
/// Return the BackedgeTakenInfo for the given loop, lazily computing new /// Return the BackedgeTakenInfo for the given loop, lazily computing new
/// values if the loop hasn't been analyzed yet. /// values if the loop hasn't been analyzed yet.

7
llvm/lib/Analysis/ScalarEvolution.cpp
View File

@ -3650,8 +3650,7 @@ PushDefUseChildren(Instruction *I,
/// instructions that depend on the given instruction and removes them from /// instructions that depend on the given instruction and removes them from
/// the ValueExprMapType map if they reference SymName. This is used during PHI /// the ValueExprMapType map if they reference SymName. This is used during PHI
/// resolution. /// resolution.
void void ScalarEvolution::forgetSymbolicName(Instruction *PN, const SCEV *SymName) {
ScalarEvolution::ForgetSymbolicName(Instruction *PN, const SCEV *SymName) {
SmallVector<Instruction *, 16> Worklist; SmallVector<Instruction *, 16> Worklist;
PushDefUseChildren(PN, Worklist); PushDefUseChildren(PN, Worklist);
@ -3864,7 +3863,7 @@ const SCEV *ScalarEvolution::createAddRecFromPHI(PHINode *PN) {
// Okay, for the entire analysis of this edge we assumed the PHI // Okay, for the entire analysis of this edge we assumed the PHI
// to be symbolic. We now need to go back and purge all of the // to be symbolic. We now need to go back and purge all of the
// entries for the scalars that use the symbolic expression. // entries for the scalars that use the symbolic expression.
ForgetSymbolicName(PN, SymbolicName); forgetSymbolicName(PN, SymbolicName);
ValueExprMap[SCEVCallbackVH(PN, this)] = PHISCEV; ValueExprMap[SCEVCallbackVH(PN, this)] = PHISCEV;
return PHISCEV; return PHISCEV;
} }
@ -3888,7 +3887,7 @@ const SCEV *ScalarEvolution::createAddRecFromPHI(PHINode *PN) {
// Okay, for the entire analysis of this edge we assumed the PHI // Okay, for the entire analysis of this edge we assumed the PHI
// to be symbolic. We now need to go back and purge all of the // to be symbolic. We now need to go back and purge all of the
// entries for the scalars that use the symbolic expression. // entries for the scalars that use the symbolic expression.
ForgetSymbolicName(PN, SymbolicName); forgetSymbolicName(PN, SymbolicName);
ValueExprMap[SCEVCallbackVH(PN, this)] = Shifted; ValueExprMap[SCEVCallbackVH(PN, this)] = Shifted;
return Shifted; return Shifted;
} }