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Merged
merged 3 commits into from
Oct 10, 2025
Merged

[DA] Address followup comments on #128782 #162645

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1d313ab
fix variable name
kasuga-fj Oct 9, 2025
7017d6e
change debug format
kasuga-fj Oct 9, 2025
07e4e00
adjust debug message
kasuga-fj Oct 10, 2025
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8 changes: 4 additions & 4 deletions llvm/include/llvm/Analysis/DependenceAnalysis.h
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Expand Up @@ -160,7 +160,7 @@ class LLVM_ABI Dependence {

/// getDVEntry - Returns the DV entry associated with a regular or a
/// SameSD level
DVEntry getDVEntry(unsigned Level, bool isSameSD) const;
DVEntry getDVEntry(unsigned Level, bool IsSameSD) const;

/// getDirection - Returns the direction associated with a particular
/// common or SameSD level.
Expand Down Expand Up @@ -234,7 +234,7 @@ class LLVM_ABI Dependence {

/// dumpImp - For debugging purposes. Dumps a dependence to OS with or
/// without considering the SameSD levels.
void dumpImp(raw_ostream &OS, bool SameSD = false) const;
void dumpImp(raw_ostream &OS, bool IsSameSD = false) const;

protected:
Instruction *Src, *Dst;
Expand Down Expand Up @@ -282,8 +282,8 @@ class LLVM_ABI FullDependence final : public Dependence {

/// getDVEntry - Returns the DV entry associated with a regular or a
/// SameSD level.
DVEntry getDVEntry(unsigned Level, bool isSameSD) const {
if (!isSameSD) {
DVEntry getDVEntry(unsigned Level, bool IsSameSD) const {
if (!IsSameSD) {
assert(0 < Level && Level <= Levels && "Level out of range");
return DV[Level - 1];
} else {
Expand Down
32 changes: 16 additions & 16 deletions llvm/lib/Analysis/DependenceAnalysis.cpp
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Expand Up @@ -275,7 +275,7 @@ bool Dependence::isAnti() const {
// if no subscript in the source or destination mention the induction
// variable associated with the loop at this level.
// Leave this out of line, so it will serve as a virtual method anchor
bool Dependence::isScalar(unsigned level, bool isSameSD) const { return false; }
bool Dependence::isScalar(unsigned level, bool IsSameSD) const { return false; }

//===----------------------------------------------------------------------===//
// FullDependence methods
Expand Down Expand Up @@ -351,38 +351,38 @@ bool FullDependence::normalize(ScalarEvolution *SE) {

// getDirection - Returns the direction associated with a particular common or
// SameSD level.
unsigned FullDependence::getDirection(unsigned Level, bool isSameSD) const {
return getDVEntry(Level, isSameSD).Direction;
unsigned FullDependence::getDirection(unsigned Level, bool IsSameSD) const {
return getDVEntry(Level, IsSameSD).Direction;
}

// Returns the distance (or NULL) associated with a particular common or
// SameSD level.
const SCEV *FullDependence::getDistance(unsigned Level, bool isSameSD) const {
return getDVEntry(Level, isSameSD).Distance;
const SCEV *FullDependence::getDistance(unsigned Level, bool IsSameSD) const {
return getDVEntry(Level, IsSameSD).Distance;
}

// Returns true if a particular regular or SameSD level is scalar; that is,
// if no subscript in the source or destination mention the induction variable
// associated with the loop at this level.
bool FullDependence::isScalar(unsigned Level, bool isSameSD) const {
return getDVEntry(Level, isSameSD).Scalar;
bool FullDependence::isScalar(unsigned Level, bool IsSameSD) const {
return getDVEntry(Level, IsSameSD).Scalar;
}

// Returns true if peeling the first iteration from this regular or SameSD
// loop level will break this dependence.
bool FullDependence::isPeelFirst(unsigned Level, bool isSameSD) const {
return getDVEntry(Level, isSameSD).PeelFirst;
bool FullDependence::isPeelFirst(unsigned Level, bool IsSameSD) const {
return getDVEntry(Level, IsSameSD).PeelFirst;
}

// Returns true if peeling the last iteration from this regular or SameSD
// loop level will break this dependence.
bool FullDependence::isPeelLast(unsigned Level, bool isSameSD) const {
return getDVEntry(Level, isSameSD).PeelLast;
bool FullDependence::isPeelLast(unsigned Level, bool IsSameSD) const {
return getDVEntry(Level, IsSameSD).PeelLast;
}

// Returns true if splitting loop will break the dependence.
bool FullDependence::isSplitable(unsigned Level, bool isSameSD) const {
return getDVEntry(Level, isSameSD).Splitable;
bool FullDependence::isSplitable(unsigned Level, bool IsSameSD) const {
return getDVEntry(Level, IsSameSD).Splitable;
}

// inSameSDLoops - Returns true if this level is an SameSD level, i.e.,
Expand Down Expand Up @@ -691,7 +691,7 @@ void Dependence::dump(raw_ostream &OS) const {
dumpImp(OS);
unsigned SameSDLevels = getSameSDLevels();
if (SameSDLevels > 0) {
OS << "! / assuming " << SameSDLevels << " loop level(s) fused: ";
OS << " / assuming " << SameSDLevels << " loop level(s) fused: ";
dumpImp(OS, true);
}
}
Expand All @@ -706,13 +706,13 @@ void Dependence::dump(raw_ostream &OS) const {

// For debugging purposes. Dumps a dependence to OS with or without considering
// the SameSD levels.
void Dependence::dumpImp(raw_ostream &OS, bool isSameSD) const {
void Dependence::dumpImp(raw_ostream &OS, bool IsSameSD) const {
bool Splitable = false;
unsigned Levels = getLevels();
unsigned SameSDLevels = getSameSDLevels();
bool OnSameSD = false;
unsigned LevelNum = Levels;
if (isSameSD)
if (IsSameSD)
LevelNum += SameSDLevels;
OS << " [";
for (unsigned II = 1; II <= LevelNum; ++II) {
Expand Down
2 changes: 1 addition & 1 deletion llvm/test/Analysis/DependenceAnalysis/PreliminaryNoValidityCheckFixedSize.ll
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Expand Up @@ -20,7 +20,7 @@ define void @p2(i64 %n, ptr %A, ptr %B) nounwind uwtable ssp {
; CHECK-NEXT: Src: store i64 %i.011, ptr %arrayidx8, align 8 --> Dst: store i64 %i.011, ptr %arrayidx8, align 8
; CHECK-NEXT: da analyze - none!
; CHECK-NEXT: Src: store i64 %i.011, ptr %arrayidx8, align 8 --> Dst: %0 = load i64, ptr %arrayidx17, align 8
; CHECK-NEXT: da analyze - flow [-3 -2]!
; CHECK-NEXT: da analyze - flow [-3 -2] / assuming 1 loop level(s) fused: [-3 -2 -1]!
; CHECK-NEXT: Src: store i64 %i.011, ptr %arrayidx8, align 8 --> Dst: store i64 %0, ptr %B.addr.24, align 8
; CHECK-NEXT: da analyze - confused!
; CHECK-NEXT: Src: %0 = load i64, ptr %arrayidx17, align 8 --> Dst: %0 = load i64, ptr %arrayidx17, align 8
Expand Down
8 changes: 4 additions & 4 deletions llvm/test/Analysis/DependenceAnalysis/SameSDLoops.ll
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Expand Up @@ -18,7 +18,7 @@ define void @samebd0(ptr %A) nounwind uwtable ssp {
; CHECK-NEXT: Src: store i64 %i.013, ptr %arrayidx12, align 8 --> Dst: store i64 %i.013, ptr %arrayidx12, align 8
; CHECK-NEXT: da analyze - none!
; CHECK-NEXT: Src: store i64 %i.013, ptr %arrayidx12, align 8 --> Dst: store i64 %l17.04, ptr %arrayidx24, align 8
; CHECK-NEXT: da analyze - output [-4 -3]! / assuming 2 loop level(s) fused: [-4 -3 -3 -1]!
; CHECK-NEXT: da analyze - output [-4 -3] / assuming 2 loop level(s) fused: [-4 -3 -3 -1]!
; CHECK-NEXT: Src: store i64 %l17.04, ptr %arrayidx24, align 8 --> Dst: store i64 %l17.04, ptr %arrayidx24, align 8
; CHECK-NEXT: da analyze - none!
;
Expand Down Expand Up @@ -96,7 +96,7 @@ define void @samebd1(ptr %A) nounwind uwtable ssp {
; CHECK-NEXT: Src: store i64 %i.03, ptr %arrayidx, align 4 --> Dst: store i64 %i.03, ptr %arrayidx, align 4
; CHECK-NEXT: da analyze - none!
; CHECK-NEXT: Src: store i64 %i.03, ptr %arrayidx, align 4 --> Dst: %0 = load i64, ptr %arrayidx7, align 4
; CHECK-NEXT: da analyze - flow [|<]! / assuming 1 loop level(s) fused: [<=|<]!
; CHECK-NEXT: da analyze - flow [|<] / assuming 1 loop level(s) fused: [<=|<]!
; CHECK-NEXT: Src: %0 = load i64, ptr %arrayidx7, align 4 --> Dst: %0 = load i64, ptr %arrayidx7, align 4
; CHECK-NEXT: da analyze - none!
;
Expand Down Expand Up @@ -148,7 +148,7 @@ define void @non_samebd0(ptr %A) nounwind uwtable ssp {
; CHECK-NEXT: Src: store i64 %i.013, ptr %arrayidx12, align 8 --> Dst: store i64 %i.013, ptr %arrayidx12, align 8
; CHECK-NEXT: da analyze - none!
; CHECK-NEXT: Src: store i64 %i.013, ptr %arrayidx12, align 8 --> Dst: store i64 %l17.04, ptr %arrayidx24, align 8
; CHECK-NEXT: da analyze - output [-4 -3]!{{$}}
; CHECK-NEXT: da analyze - output [-4 -3]!
; CHECK-NEXT: Src: store i64 %l17.04, ptr %arrayidx24, align 8 --> Dst: store i64 %l17.04, ptr %arrayidx24, align 8
; CHECK-NEXT: da analyze - none!
;
Expand Down Expand Up @@ -227,7 +227,7 @@ define void @non_samebd1(ptr %A) nounwind uwtable ssp {
; CHECK-NEXT: Src: store i64 %i.03, ptr %arrayidx, align 4 --> Dst: store i64 %i.03, ptr %arrayidx, align 4
; CHECK-NEXT: da analyze - none!
; CHECK-NEXT: Src: store i64 %i.03, ptr %arrayidx, align 4 --> Dst: %0 = load i64, ptr %arrayidx7, align 4
; CHECK-NEXT: da analyze - flow [|<]!{{$}}
; CHECK-NEXT: da analyze - flow [|<]!
; CHECK-NEXT: Src: %0 = load i64, ptr %arrayidx7, align 4 --> Dst: %0 = load i64, ptr %arrayidx7, align 4
; CHECK-NEXT: da analyze - none!
;
Expand Down