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[Analysis] Drop local maxAPInt/minAPInt helpers. NFCI.

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Use standard APIntOps::smax/smin helpers instead.
This commit is contained in:
Simon Pilgrim 2020-10-02 14:55:53 +01:00
parent 065a86f6d4
commit d4e8ee9243
1 changed files with 24 additions and 37 deletions
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61
lib/Analysis/DependenceAnalysis.cpp
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@ -1459,19 +1459,6 @@ static APInt ceilingOfQuotient(const APInt &A, const APInt &B) {
return Q;
}
static
APInt maxAPInt(APInt A, APInt B) {
return A.sgt(B) ? A : B;
}
static
APInt minAPInt(APInt A, APInt B) {
return A.slt(B) ? A : B;
}
// exactSIVtest -
// When we have a pair of subscripts of the form [c1 + a1*i] and [c2 + a2*i],
// where i is an induction variable, c1 and c2 are loop invariant, and a1
@ -1542,18 +1529,18 @@ bool DependenceInfo::exactSIVtest(const SCEV *SrcCoeff, const SCEV *DstCoeff,
// test(BM/G, LM-X) and test(-BM/G, X-UM)
APInt TMUL = BM.sdiv(G);
if (TMUL.sgt(0)) {
TL = maxAPInt(TL, ceilingOfQuotient(-X, TMUL));
TL = APIntOps::smax(TL, ceilingOfQuotient(-X, TMUL));
LLVM_DEBUG(dbgs() << "\t TL = " << TL << "\n");
if (UMvalid) {
TU = minAPInt(TU, floorOfQuotient(UM - X, TMUL));
TU = APIntOps::smin(TU, floorOfQuotient(UM - X, TMUL));
LLVM_DEBUG(dbgs() << "\t TU = " << TU << "\n");
}
}
else {
TU = minAPInt(TU, floorOfQuotient(-X, TMUL));
TU = APIntOps::smin(TU, floorOfQuotient(-X, TMUL));
LLVM_DEBUG(dbgs() << "\t TU = " << TU << "\n");
if (UMvalid) {
TL = maxAPInt(TL, ceilingOfQuotient(UM - X, TMUL));
TL = APIntOps::smax(TL, ceilingOfQuotient(UM - X, TMUL));
LLVM_DEBUG(dbgs() << "\t TL = " << TL << "\n");
}
}
@ -1561,18 +1548,18 @@ bool DependenceInfo::exactSIVtest(const SCEV *SrcCoeff, const SCEV *DstCoeff,
// test(AM/G, LM-Y) and test(-AM/G, Y-UM)
TMUL = AM.sdiv(G);
if (TMUL.sgt(0)) {
TL = maxAPInt(TL, ceilingOfQuotient(-Y, TMUL));
TL = APIntOps::smax(TL, ceilingOfQuotient(-Y, TMUL));
LLVM_DEBUG(dbgs() << "\t TL = " << TL << "\n");
if (UMvalid) {
TU = minAPInt(TU, floorOfQuotient(UM - Y, TMUL));
TU = APIntOps::smin(TU, floorOfQuotient(UM - Y, TMUL));
LLVM_DEBUG(dbgs() << "\t TU = " << TU << "\n");
}
}
else {
TU = minAPInt(TU, floorOfQuotient(-Y, TMUL));
TU = APIntOps::smin(TU, floorOfQuotient(-Y, TMUL));
LLVM_DEBUG(dbgs() << "\t TU = " << TU << "\n");
if (UMvalid) {
TL = maxAPInt(TL, ceilingOfQuotient(UM - Y, TMUL));
TL = APIntOps::smax(TL, ceilingOfQuotient(UM - Y, TMUL));
LLVM_DEBUG(dbgs() << "\t TL = " << TL << "\n");
}
}
@ -1591,11 +1578,11 @@ bool DependenceInfo::exactSIVtest(const SCEV *SrcCoeff, const SCEV *DstCoeff,
LLVM_DEBUG(dbgs() << "\t exploring LT direction\n");
TMUL = AM - BM;
if (TMUL.sgt(0)) {
TL = maxAPInt(TL, ceilingOfQuotient(X - Y + 1, TMUL));
TL = APIntOps::smax(TL, ceilingOfQuotient(X - Y + 1, TMUL));
LLVM_DEBUG(dbgs() << "\t\t TL = " << TL << "\n");
}
else {
TU = minAPInt(TU, floorOfQuotient(X - Y + 1, TMUL));
TU = APIntOps::smin(TU, floorOfQuotient(X - Y + 1, TMUL));
LLVM_DEBUG(dbgs() << "\t\t TU = " << TU << "\n");
}
if (TL.sle(TU)) {
@ -1608,20 +1595,20 @@ bool DependenceInfo::exactSIVtest(const SCEV *SrcCoeff, const SCEV *DstCoeff,
TL = SaveTL;
LLVM_DEBUG(dbgs() << "\t exploring EQ direction\n");
if (TMUL.sgt(0)) {
TL = maxAPInt(TL, ceilingOfQuotient(X - Y, TMUL));
TL = APIntOps::smax(TL, ceilingOfQuotient(X - Y, TMUL));
LLVM_DEBUG(dbgs() << "\t\t TL = " << TL << "\n");
}
else {
TU = minAPInt(TU, floorOfQuotient(X - Y, TMUL));
TU = APIntOps::smin(TU, floorOfQuotient(X - Y, TMUL));
LLVM_DEBUG(dbgs() << "\t\t TU = " << TU << "\n");
}
TMUL = BM - AM;
if (TMUL.sgt(0)) {
TL = maxAPInt(TL, ceilingOfQuotient(Y - X, TMUL));
TL = APIntOps::smax(TL, ceilingOfQuotient(Y - X, TMUL));
LLVM_DEBUG(dbgs() << "\t\t TL = " << TL << "\n");
}
else {
TU = minAPInt(TU, floorOfQuotient(Y - X, TMUL));
TU = APIntOps::smin(TU, floorOfQuotient(Y - X, TMUL));
LLVM_DEBUG(dbgs() << "\t\t TU = " << TU << "\n");
}
if (TL.sle(TU)) {
@ -1634,11 +1621,11 @@ bool DependenceInfo::exactSIVtest(const SCEV *SrcCoeff, const SCEV *DstCoeff,
TL = SaveTL;
LLVM_DEBUG(dbgs() << "\t exploring GT direction\n");
if (TMUL.sgt(0)) {
TL = maxAPInt(TL, ceilingOfQuotient(Y - X + 1, TMUL));
TL = APIntOps::smax(TL, ceilingOfQuotient(Y - X + 1, TMUL));
LLVM_DEBUG(dbgs() << "\t\t TL = " << TL << "\n");
}
else {
TU = minAPInt(TU, floorOfQuotient(Y - X + 1, TMUL));
TU = APIntOps::smin(TU, floorOfQuotient(Y - X + 1, TMUL));
LLVM_DEBUG(dbgs() << "\t\t TU = " << TU << "\n");
}
if (TL.sle(TU)) {
@ -1950,18 +1937,18 @@ bool DependenceInfo::exactRDIVtest(const SCEV *SrcCoeff, const SCEV *DstCoeff,
// test(BM/G, LM-X) and test(-BM/G, X-UM)
APInt TMUL = BM.sdiv(G);
if (TMUL.sgt(0)) {
TL = maxAPInt(TL, ceilingOfQuotient(-X, TMUL));
TL = APIntOps::smax(TL, ceilingOfQuotient(-X, TMUL));
LLVM_DEBUG(dbgs() << "\t TL = " << TL << "\n");
if (SrcUMvalid) {
TU = minAPInt(TU, floorOfQuotient(SrcUM - X, TMUL));
TU = APIntOps::smin(TU, floorOfQuotient(SrcUM - X, TMUL));
LLVM_DEBUG(dbgs() << "\t TU = " << TU << "\n");
}
}
else {
TU = minAPInt(TU, floorOfQuotient(-X, TMUL));
TU = APIntOps::smin(TU, floorOfQuotient(-X, TMUL));
LLVM_DEBUG(dbgs() << "\t TU = " << TU << "\n");
if (SrcUMvalid) {
TL = maxAPInt(TL, ceilingOfQuotient(SrcUM - X, TMUL));
TL = APIntOps::smax(TL, ceilingOfQuotient(SrcUM - X, TMUL));
LLVM_DEBUG(dbgs() << "\t TL = " << TL << "\n");
}
}
@ -1969,18 +1956,18 @@ bool DependenceInfo::exactRDIVtest(const SCEV *SrcCoeff, const SCEV *DstCoeff,
// test(AM/G, LM-Y) and test(-AM/G, Y-UM)
TMUL = AM.sdiv(G);
if (TMUL.sgt(0)) {
TL = maxAPInt(TL, ceilingOfQuotient(-Y, TMUL));
TL = APIntOps::smax(TL, ceilingOfQuotient(-Y, TMUL));
LLVM_DEBUG(dbgs() << "\t TL = " << TL << "\n");
if (DstUMvalid) {
TU = minAPInt(TU, floorOfQuotient(DstUM - Y, TMUL));
TU = APIntOps::smin(TU, floorOfQuotient(DstUM - Y, TMUL));
LLVM_DEBUG(dbgs() << "\t TU = " << TU << "\n");
}
}
else {
TU = minAPInt(TU, floorOfQuotient(-Y, TMUL));
TU = APIntOps::smin(TU, floorOfQuotient(-Y, TMUL));
LLVM_DEBUG(dbgs() << "\t TU = " << TU << "\n");
if (DstUMvalid) {
TL = maxAPInt(TL, ceilingOfQuotient(DstUM - Y, TMUL));
TL = APIntOps::smax(TL, ceilingOfQuotient(DstUM - Y, TMUL));
LLVM_DEBUG(dbgs() << "\t TL = " << TL << "\n");
}
}