RPCSX/llvm
1
0
Fork 0
mirror of https://github.com/RPCSX/llvm.git synced 2025-02-12 07:40:58 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

[SCEV] Use std::all_of and std::any_of; NFC

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250635 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Sanjoy Das 2015-10-18 00:29:23 +00:00
parent ba899a9456
commit 6d953d6917
1 changed files with 11 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
lib/Analysis/ScalarEvolution.cpp
View File

@ -2844,12 +2844,10 @@ ScalarEvolution::getAddRecExpr(SmallVectorImpl<const SCEV *> &Operands,
// AddRecs require their operands be loop-invariant with respect to their
// loops. Don't perform this transformation if it would break this
// requirement.
bool AllInvariant = true;
for (unsigned i = 0, e = Operands.size(); i != e; ++i)
if (!isLoopInvariant(Operands[i], L)) {
AllInvariant = false;
break;
}
bool AllInvariant =
std::all_of(Operands.begin(), Operands.end(),
[&](const SCEV *Op) { return isLoopInvariant(Op, L); });
if (AllInvariant) {
// Create a recurrence for the outer loop with the same step size.
//
@ -2859,12 +2857,10 @@ ScalarEvolution::getAddRecExpr(SmallVectorImpl<const SCEV *> &Operands,
maskFlags(Flags, SCEV::FlagNW | NestedAR->getNoWrapFlags());
NestedOperands[0] = getAddRecExpr(Operands, L, OuterFlags);
AllInvariant = true;
for (unsigned i = 0, e = NestedOperands.size(); i != e; ++i)
if (!isLoopInvariant(NestedOperands[i], NestedLoop)) {
AllInvariant = false;
break;
}
AllInvariant = std::all_of(
NestedOperands.begin(), NestedOperands.end(),
[&](const SCEV *Op) { return isLoopInvariant(Op, NestedLoop); });
if (AllInvariant) {
// Ok, both add recurrences are valid after the transformation.
//
@ -8127,10 +8123,9 @@ const SCEV *SCEVAddRecExpr::getNumIterationsInRange(ConstantRange Range,
// The only time we can solve this is when we have all constant indices.
// Otherwise, we cannot determine the overflow conditions.
for (unsigned i = 0, e = getNumOperands(); i != e; ++i)
if (!isa<SCEVConstant>(getOperand(i)))
return SE.getCouldNotCompute();
if (std::any_of(op_begin(), op_end(),
[](const SCEV *Op) { return !isa<SCEVConstant>(Op);}))
return SE.getCouldNotCompute();
// Okay at this point we know that all elements of the chrec are constants and
// that the start element is zero.