[llvm] 8885420 - [NFC][SCEV] `computeSCEVAtScope()`: clang-format
Roman Lebedev via llvm-commits
llvm-commits at lists.llvm.org
Sat Jan 21 12:53:45 PST 2023
Author: Roman Lebedev
Date: 2023-01-21T23:37:00+03:00
New Revision: 8885420b6df3e964d671afb0993baa8f206939ec
URL: https://github.com/llvm/llvm-project/commit/8885420b6df3e964d671afb0993baa8f206939ec
DIFF: https://github.com/llvm/llvm-project/commit/8885420b6df3e964d671afb0993baa8f206939ec.diff
LOG: [NFC][SCEV] `computeSCEVAtScope()`: clang-format
Added:
Modified:
llvm/lib/Analysis/ScalarEvolution.cpp
Removed:
################################################################################
diff --git a/llvm/lib/Analysis/ScalarEvolution.cpp b/llvm/lib/Analysis/ScalarEvolution.cpp
index e78166a64523..6c71d69dd71b 100644
--- a/llvm/lib/Analysis/ScalarEvolution.cpp
+++ b/llvm/lib/Analysis/ScalarEvolution.cpp
@@ -9798,7 +9798,8 @@ static Constant *BuildConstantFromSCEV(const SCEV *V) {
}
const SCEV *ScalarEvolution::computeSCEVAtScope(const SCEV *V, const Loop *L) {
- if (isa<SCEVConstant>(V)) return V;
+ if (isa<SCEVConstant>(V))
+ return V;
// If this instruction is evolved from a constant-evolving PHI, compute the
// exit value from the loop without using SCEVs.
@@ -9850,7 +9851,8 @@ const SCEV *ScalarEvolution::computeSCEVAtScope(const SCEV *V, const Loop *L) {
// the specified iteration number.
Constant *RV = getConstantEvolutionLoopExitValue(
PN, BTCC->getAPInt(), CurrLoop);
- if (RV) return getSCEV(RV);
+ if (RV)
+ return getSCEV(RV);
}
}
@@ -9861,7 +9863,8 @@ const SCEV *ScalarEvolution::computeSCEVAtScope(const SCEV *V, const Loop *L) {
const SCEV *InputAtScope = getSCEVAtScope(Input, L);
// TODO: We can generalize it using LI.replacementPreservesLCSSAForm,
// for the simplest case just support constants.
- if (isa<SCEVConstant>(InputAtScope)) return InputAtScope;
+ if (isa<SCEVConstant>(InputAtScope))
+ return InputAtScope;
}
}
@@ -9889,12 +9892,12 @@ const SCEV *ScalarEvolution::computeSCEVAtScope(const SCEV *V, const Loop *L) {
MadeImprovement |= OrigV != OpV;
Constant *C = BuildConstantFromSCEV(OpV);
- if (!C) return V;
+ if (!C)
+ return V;
if (C->getType() != Op->getType())
- C = ConstantExpr::getCast(CastInst::getCastOpcode(C, false,
- Op->getType(),
- false),
- C, Op->getType());
+ C = ConstantExpr::getCast(
+ CastInst::getCastOpcode(C, false, Op->getType(), false), C,
+ Op->getType());
Operands.push_back(C);
}
@@ -9903,7 +9906,8 @@ const SCEV *ScalarEvolution::computeSCEVAtScope(const SCEV *V, const Loop *L) {
Constant *C = nullptr;
const DataLayout &DL = getDataLayout();
C = ConstantFoldInstOperands(I, Operands, DL, &TLI);
- if (!C) return V;
+ if (!C)
+ return V;
return getSCEV(C);
}
}
@@ -9948,7 +9952,7 @@ const SCEV *ScalarEvolution::computeSCEVAtScope(const SCEV *V, const Loop *L) {
const SCEV *LHS = getSCEVAtScope(Div->getLHS(), L);
const SCEV *RHS = getSCEVAtScope(Div->getRHS(), L);
if (LHS == Div->getLHS() && RHS == Div->getRHS())
- return Div; // must be loop invariant
+ return Div; // must be loop invariant
return getUDivExpr(LHS, RHS);
}
@@ -9970,9 +9974,8 @@ const SCEV *ScalarEvolution::computeSCEVAtScope(const SCEV *V, const Loop *L) {
for (++i; i != e; ++i)
NewOps.push_back(getSCEVAtScope(AddRec->getOperand(i), L));
- const SCEV *FoldedRec =
- getAddRecExpr(NewOps, AddRec->getLoop(),
- AddRec->getNoWrapFlags(SCEV::FlagNW));
+ const SCEV *FoldedRec = getAddRecExpr(
+ NewOps, AddRec->getLoop(), AddRec->getNoWrapFlags(SCEV::FlagNW));
AddRec = dyn_cast<SCEVAddRecExpr>(FoldedRec);
// The addrec may be folded to a nonrecurrence, for example, if the
// induction variable is multiplied by zero after constant folding. Go
@@ -9988,7 +9991,8 @@ const SCEV *ScalarEvolution::computeSCEVAtScope(const SCEV *V, const Loop *L) {
// To evaluate this recurrence, we need to know how many times the AddRec
// loop iterates. Compute this now.
const SCEV *BackedgeTakenCount = getBackedgeTakenCount(AddRec->getLoop());
- if (BackedgeTakenCount == getCouldNotCompute()) return AddRec;
+ if (BackedgeTakenCount == getCouldNotCompute())
+ return AddRec;
// Then, evaluate the AddRec.
return AddRec->evaluateAtIteration(BackedgeTakenCount, *this);
@@ -10000,7 +10004,7 @@ const SCEV *ScalarEvolution::computeSCEVAtScope(const SCEV *V, const Loop *L) {
if (const SCEVCastExpr *Cast = dyn_cast<SCEVCastExpr>(V)) {
const SCEV *Op = getSCEVAtScope(Cast->getOperand(), L);
if (Op == Cast->getOperand())
- return Cast; // must be loop invariant
+ return Cast; // must be loop invariant
return getCastExpr(Cast->getSCEVType(), Op, Cast->getType());
}
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