[SCEV] Remove existing predicates implied by newly added ones. #118185
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@llvm/pr-subscribers-llvm-analysis @llvm/pr-subscribers-llvm-transforms Author: Florian Hahn (fhahn) ChangesWhen adding a new predicate to a union predicate, some of the existing Depends on #118184 to show the main benefit (changes included in this PR). Patch is 68.23 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/118185.diff 14 Files Affected:
diff --git a/llvm/include/llvm/Analysis/ScalarEvolution.h b/llvm/include/llvm/Analysis/ScalarEvolution.h
index 885c5985f9d23a..27df25cbf2b7d2 100644
--- a/llvm/include/llvm/Analysis/ScalarEvolution.h
+++ b/llvm/include/llvm/Analysis/ScalarEvolution.h
@@ -241,7 +241,7 @@ class SCEVPredicate : public FoldingSetNode {
virtual bool isAlwaysTrue() const = 0;
/// Returns true if this predicate implies \p N.
- virtual bool implies(const SCEVPredicate *N) const = 0;
+ virtual bool implies(const SCEVPredicate *N, ScalarEvolution &SE) const = 0;
/// Prints a textual representation of this predicate with an indentation of
/// \p Depth.
@@ -286,7 +286,7 @@ class SCEVComparePredicate final : public SCEVPredicate {
const SCEV *LHS, const SCEV *RHS);
/// Implementation of the SCEVPredicate interface
- bool implies(const SCEVPredicate *N) const override;
+ bool implies(const SCEVPredicate *N, ScalarEvolution &SE) const override;
void print(raw_ostream &OS, unsigned Depth = 0) const override;
bool isAlwaysTrue() const override;
@@ -393,7 +393,7 @@ class SCEVWrapPredicate final : public SCEVPredicate {
/// Implementation of the SCEVPredicate interface
const SCEVAddRecExpr *getExpr() const;
- bool implies(const SCEVPredicate *N) const override;
+ bool implies(const SCEVPredicate *N, ScalarEvolution &SE) const override;
void print(raw_ostream &OS, unsigned Depth = 0) const override;
bool isAlwaysTrue() const override;
@@ -418,16 +418,17 @@ class SCEVUnionPredicate final : public SCEVPredicate {
SmallVector<const SCEVPredicate *, 16> Preds;
/// Adds a predicate to this union.
- void add(const SCEVPredicate *N);
+ void add(const SCEVPredicate *N, ScalarEvolution &SE);
public:
- SCEVUnionPredicate(ArrayRef<const SCEVPredicate *> Preds);
+ SCEVUnionPredicate(ArrayRef<const SCEVPredicate *> Preds,
+ ScalarEvolution &SE);
ArrayRef<const SCEVPredicate *> getPredicates() const { return Preds; }
/// Implementation of the SCEVPredicate interface
bool isAlwaysTrue() const override;
- bool implies(const SCEVPredicate *N) const override;
+ bool implies(const SCEVPredicate *N, ScalarEvolution &SE) const override;
void print(raw_ostream &OS, unsigned Depth) const override;
/// We estimate the complexity of a union predicate as the size number of
diff --git a/llvm/lib/Analysis/ScalarEvolution.cpp b/llvm/lib/Analysis/ScalarEvolution.cpp
index c3f296b9ff3347..5fe9a814a28fb5 100644
--- a/llvm/lib/Analysis/ScalarEvolution.cpp
+++ b/llvm/lib/Analysis/ScalarEvolution.cpp
@@ -5725,8 +5725,9 @@ bool PredicatedScalarEvolution::areAddRecsEqualWithPreds(
return true;
auto areExprsEqual = [&](const SCEV *Expr1, const SCEV *Expr2) -> bool {
- if (Expr1 != Expr2 && !Preds->implies(SE.getEqualPredicate(Expr1, Expr2)) &&
- !Preds->implies(SE.getEqualPredicate(Expr2, Expr1)))
+ if (Expr1 != Expr2 &&
+ !Preds->implies(SE.getEqualPredicate(Expr1, Expr2), SE) &&
+ !Preds->implies(SE.getEqualPredicate(Expr2, Expr1), SE))
return false;
return true;
};
@@ -14823,7 +14824,7 @@ class SCEVPredicateRewriter : public SCEVRewriteVisitor<SCEVPredicateRewriter> {
bool addOverflowAssumption(const SCEVPredicate *P) {
if (!NewPreds) {
// Check if we've already made this assumption.
- return Pred && Pred->implies(P);
+ return Pred && Pred->implies(P, SE);
}
NewPreds->push_back(P);
return true;
@@ -14904,7 +14905,8 @@ SCEVComparePredicate::SCEVComparePredicate(const FoldingSetNodeIDRef ID,
assert(LHS != RHS && "LHS and RHS are the same SCEV");
}
-bool SCEVComparePredicate::implies(const SCEVPredicate *N) const {
+bool SCEVComparePredicate::implies(const SCEVPredicate *N,
+ ScalarEvolution &SE) const {
const auto *Op = dyn_cast<SCEVComparePredicate>(N);
if (!Op)
@@ -14934,10 +14936,52 @@ SCEVWrapPredicate::SCEVWrapPredicate(const FoldingSetNodeIDRef ID,
const SCEVAddRecExpr *SCEVWrapPredicate::getExpr() const { return AR; }
-bool SCEVWrapPredicate::implies(const SCEVPredicate *N) const {
+bool SCEVWrapPredicate::implies(const SCEVPredicate *N,
+ ScalarEvolution &SE) const {
const auto *Op = dyn_cast<SCEVWrapPredicate>(N);
+ if (!Op)
+ return false;
+
+ if (setFlags(Flags, Op->Flags) != Flags)
+ return false;
+
+ if (Op->AR == AR)
+ return true;
+
+ if (Flags != SCEVWrapPredicate::IncrementNSSW &&
+ Flags != SCEVWrapPredicate::IncrementNUSW)
+ return false;
+
+ bool IsNUW = Flags == SCEVWrapPredicate::IncrementNUSW;
+ const SCEV *Step = AR->getStepRecurrence(SE);
+ const SCEV *OpStep = Op->AR->getStepRecurrence(SE);
+
+ // If both steps are positive, this implies N, if N's start and step are
+ // ULE/SLE (for NSUW/NSSW) than this'.
+ if (SE.isKnownPositive(Step) && SE.isKnownPositive(OpStep)) {
+ const SCEV *OpStart = Op->AR->getStart();
+ const SCEV *Start = AR->getStart();
+ if (SE.getTypeSizeInBits(Step->getType()) >
+ SE.getTypeSizeInBits(OpStep->getType())) {
+ OpStep = SE.getZeroExtendExpr(OpStep, Step->getType());
+ } else {
+ Step = IsNUW ? SE.getNoopOrZeroExtend(Step, OpStep->getType())
+ : SE.getNoopOrSignExtend(Step, OpStep->getType());
+ }
+ if (SE.getTypeSizeInBits(Start->getType()) >
+ SE.getTypeSizeInBits(OpStart->getType())) {
+ OpStart = IsNUW ? SE.getZeroExtendExpr(OpStart, Start->getType())
+ : SE.getSignExtendExpr(OpStart, Start->getType());
+ } else {
+ Start = IsNUW ? SE.getNoopOrZeroExtend(Start, OpStart->getType())
+ : SE.getNoopOrSignExtend(Start, OpStart->getType());
+ }
- return Op && Op->AR == AR && setFlags(Flags, Op->Flags) == Flags;
+ CmpInst::Predicate Pred = IsNUW ? CmpInst::ICMP_ULE : CmpInst::ICMP_SLE;
+ return SE.isKnownPredicate(Pred, OpStep, Step) &&
+ SE.isKnownPredicate(Pred, OpStart, Start);
+ }
+ return false;
}
bool SCEVWrapPredicate::isAlwaysTrue() const {
@@ -14981,10 +15025,11 @@ SCEVWrapPredicate::getImpliedFlags(const SCEVAddRecExpr *AR,
}
/// Union predicates don't get cached so create a dummy set ID for it.
-SCEVUnionPredicate::SCEVUnionPredicate(ArrayRef<const SCEVPredicate *> Preds)
- : SCEVPredicate(FoldingSetNodeIDRef(nullptr, 0), P_Union) {
+SCEVUnionPredicate::SCEVUnionPredicate(ArrayRef<const SCEVPredicate *> Preds,
+ ScalarEvolution &SE)
+ : SCEVPredicate(FoldingSetNodeIDRef(nullptr, 0), P_Union) {
for (const auto *P : Preds)
- add(P);
+ add(P, SE);
}
bool SCEVUnionPredicate::isAlwaysTrue() const {
@@ -14992,13 +15037,15 @@ bool SCEVUnionPredicate::isAlwaysTrue() const {
[](const SCEVPredicate *I) { return I->isAlwaysTrue(); });
}
-bool SCEVUnionPredicate::implies(const SCEVPredicate *N) const {
+bool SCEVUnionPredicate::implies(const SCEVPredicate *N,
+ ScalarEvolution &SE) const {
if (const auto *Set = dyn_cast<SCEVUnionPredicate>(N))
- return all_of(Set->Preds,
- [this](const SCEVPredicate *I) { return this->implies(I); });
+ return all_of(Set->Preds, [this, &SE](const SCEVPredicate *I) {
+ return this->implies(I, SE);
+ });
return any_of(Preds,
- [N](const SCEVPredicate *I) { return I->implies(N); });
+ [N, &SE](const SCEVPredicate *I) { return I->implies(N, SE); });
}
void SCEVUnionPredicate::print(raw_ostream &OS, unsigned Depth) const {
@@ -15006,23 +15053,34 @@ void SCEVUnionPredicate::print(raw_ostream &OS, unsigned Depth) const {
Pred->print(OS, Depth);
}
-void SCEVUnionPredicate::add(const SCEVPredicate *N) {
+void SCEVUnionPredicate::add(const SCEVPredicate *N, ScalarEvolution &SE) {
if (const auto *Set = dyn_cast<SCEVUnionPredicate>(N)) {
for (const auto *Pred : Set->Preds)
- add(Pred);
+ add(Pred, SE);
return;
}
// Only add predicate if it is not already implied by this union predicate.
- if (!implies(N))
- Preds.push_back(N);
+ if (implies(N, SE))
+ return;
+
+ // Build a new vector containing the current predicates, except the ones that
+ // are implied by the new predicate N.
+ SmallVector<const SCEVPredicate *> PrunedPreds;
+ for (auto *P : Preds) {
+ if (N->implies(P, SE))
+ continue;
+ PrunedPreds.push_back(P);
+ }
+ Preds = std::move(PrunedPreds);
+ Preds.push_back(N);
}
PredicatedScalarEvolution::PredicatedScalarEvolution(ScalarEvolution &SE,
Loop &L)
: SE(SE), L(L) {
SmallVector<const SCEVPredicate*, 4> Empty;
- Preds = std::make_unique<SCEVUnionPredicate>(Empty);
+ Preds = std::make_unique<SCEVUnionPredicate>(Empty, SE);
}
void ScalarEvolution::registerUser(const SCEV *User,
@@ -15086,12 +15144,12 @@ unsigned PredicatedScalarEvolution::getSmallConstantMaxTripCount() {
}
void PredicatedScalarEvolution::addPredicate(const SCEVPredicate &Pred) {
- if (Preds->implies(&Pred))
+ if (Preds->implies(&Pred, SE))
return;
SmallVector<const SCEVPredicate *, 4> NewPreds(Preds->getPredicates());
NewPreds.push_back(&Pred);
- Preds = std::make_unique<SCEVUnionPredicate>(NewPreds);
+ Preds = std::make_unique<SCEVUnionPredicate>(NewPreds, SE);
updateGeneration();
}
@@ -15158,9 +15216,10 @@ const SCEVAddRecExpr *PredicatedScalarEvolution::getAsAddRec(Value *V) {
PredicatedScalarEvolution::PredicatedScalarEvolution(
const PredicatedScalarEvolution &Init)
- : RewriteMap(Init.RewriteMap), SE(Init.SE), L(Init.L),
- Preds(std::make_unique<SCEVUnionPredicate>(Init.Preds->getPredicates())),
- Generation(Init.Generation), BackedgeCount(Init.BackedgeCount) {
+ : RewriteMap(Init.RewriteMap), SE(Init.SE), L(Init.L),
+ Preds(std::make_unique<SCEVUnionPredicate>(Init.Preds->getPredicates(),
+ SE)),
+ Generation(Init.Generation), BackedgeCount(Init.BackedgeCount) {
for (auto I : Init.FlagsMap)
FlagsMap.insert(I);
}
diff --git a/llvm/test/Analysis/LoopAccessAnalysis/memcheck-wrapping-pointers.ll b/llvm/test/Analysis/LoopAccessAnalysis/memcheck-wrapping-pointers.ll
index 6dbb4a0c0129a6..ae10ab841420fd 100644
--- a/llvm/test/Analysis/LoopAccessAnalysis/memcheck-wrapping-pointers.ll
+++ b/llvm/test/Analysis/LoopAccessAnalysis/memcheck-wrapping-pointers.ll
@@ -29,20 +29,19 @@ target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
; CHECK-NEXT: Run-time memory checks:
; CHECK-NEXT: Check 0:
; CHECK-NEXT: Comparing group
-; CHECK-NEXT: %arrayidx = getelementptr inbounds i32, ptr %a, i64 %idxprom
-; CHECK-NEXT: Against group
; CHECK-NEXT: %arrayidx4 = getelementptr inbounds i32, ptr %b, i64 %conv11
+; CHECK-NEXT: Against group
+; CHECK-NEXT: %arrayidx = getelementptr inbounds i32, ptr %a, i64 %idxprom
; CHECK-NEXT: Grouped accesses:
; CHECK-NEXT: Group
-; CHECK-NEXT: (Low: (4 + %a) High: (4 + (4 * (1 umax %x)) + %a))
-; CHECK-NEXT: Member: {(4 + %a),+,4}<%for.body>
-; CHECK-NEXT: Group
; CHECK-NEXT: (Low: %b High: ((4 * (1 umax %x)) + %b))
; CHECK-NEXT: Member: {%b,+,4}<%for.body>
+; CHECK-NEXT: Group
+; CHECK-NEXT: (Low: (4 + %a) High: (4 + (4 * (1 umax %x)) + %a))
+; CHECK-NEXT: Member: {(4 + %a),+,4}<%for.body>
; CHECK: Non vectorizable stores to invariant address were not found in loop.
; CHECK-NEXT: SCEV assumptions:
; CHECK-NEXT: {1,+,1}<%for.body> Added Flags: <nusw>
-; CHECK-NEXT: {0,+,1}<%for.body> Added Flags: <nusw>
; CHECK: Expressions re-written:
; CHECK-NEXT: [PSE] %arrayidx = getelementptr inbounds i32, ptr %a, i64 %idxprom:
; CHECK-NEXT: ((4 * (zext i32 {1,+,1}<%for.body> to i64))<nuw><nsw> + %a)<nuw>
@@ -85,7 +84,6 @@ exit:
; CHECK: Memory dependences are safe
; CHECK: SCEV assumptions:
; CHECK-NEXT: {1,+,1}<%for.body> Added Flags: <nusw>
-; CHECK-NEXT: {0,+,1}<%for.body> Added Flags: <nusw>
define void @test2(i64 %x, ptr %a) {
entry:
br label %for.body
diff --git a/llvm/test/Analysis/LoopAccessAnalysis/nssw-predicate-implied.ll b/llvm/test/Analysis/LoopAccessAnalysis/nssw-predicate-implied.ll
index 1a07805c2614f8..c502c7c1176c0d 100644
--- a/llvm/test/Analysis/LoopAccessAnalysis/nssw-predicate-implied.ll
+++ b/llvm/test/Analysis/LoopAccessAnalysis/nssw-predicate-implied.ll
@@ -3,7 +3,7 @@
target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-n32:64-S128-Fn32"
-; FIXME: {0,+,3} implies {0,+,2}.
+; {0,+,3} [nssw] implies {0,+,2} [nssw]
define void @wrap_check_iv.3_implies_iv.2(i32 noundef %N, ptr %dst, ptr %src) {
; CHECK-LABEL: 'wrap_check_iv.3_implies_iv.2'
; CHECK-NEXT: loop:
@@ -26,7 +26,6 @@ define void @wrap_check_iv.3_implies_iv.2(i32 noundef %N, ptr %dst, ptr %src) {
; CHECK-NEXT: Non vectorizable stores to invariant address were not found in loop.
; CHECK-NEXT: SCEV assumptions:
; CHECK-NEXT: {0,+,3}<%loop> Added Flags: <nssw>
-; CHECK-NEXT: {0,+,2}<%loop> Added Flags: <nssw>
; CHECK-EMPTY:
; CHECK-NEXT: Expressions re-written:
; CHECK-NEXT: [PSE] %gep.iv.2 = getelementptr inbounds i32, ptr %src, i64 %ext.iv.2:
@@ -59,7 +58,7 @@ exit:
ret void
}
-; FIXME: {2,+,2} implies {0,+,2}.
+; {2,+,2} [nssw] implies {0,+,2} [nssw].
define void @wrap_check_iv.3_implies_iv.2_different_start(i32 noundef %N, ptr %dst, ptr %src) {
; CHECK-LABEL: 'wrap_check_iv.3_implies_iv.2_different_start'
; CHECK-NEXT: loop:
@@ -82,7 +81,6 @@ define void @wrap_check_iv.3_implies_iv.2_different_start(i32 noundef %N, ptr %d
; CHECK-NEXT: Non vectorizable stores to invariant address were not found in loop.
; CHECK-NEXT: SCEV assumptions:
; CHECK-NEXT: {2,+,2}<%loop> Added Flags: <nssw>
-; CHECK-NEXT: {0,+,2}<%loop> Added Flags: <nssw>
; CHECK-EMPTY:
; CHECK-NEXT: Expressions re-written:
; CHECK-NEXT: [PSE] %gep.iv.2 = getelementptr inbounds i32, ptr %src, i64 %ext.iv.2:
@@ -115,7 +113,7 @@ exit:
ret void
}
-; FIXME: {0,+,3} implies {0,+,2}.
+; {0,+,3} [nssw] implies {0,+,2} [nssw].
define void @wrap_check_iv.3_implies_iv.2_predicates_added_in_different_order(i32 noundef %N, ptr %dst, ptr %src) {
; CHECK-LABEL: 'wrap_check_iv.3_implies_iv.2_predicates_added_in_different_order'
; CHECK-NEXT: loop:
@@ -137,7 +135,6 @@ define void @wrap_check_iv.3_implies_iv.2_predicates_added_in_different_order(i3
; CHECK-EMPTY:
; CHECK-NEXT: Non vectorizable stores to invariant address were not found in loop.
; CHECK-NEXT: SCEV assumptions:
-; CHECK-NEXT: {0,+,2}<%loop> Added Flags: <nssw>
; CHECK-NEXT: {0,+,3}<%loop> Added Flags: <nssw>
; CHECK-EMPTY:
; CHECK-NEXT: Expressions re-written:
diff --git a/llvm/test/Analysis/LoopAccessAnalysis/wrapping-pointer-versioning.ll b/llvm/test/Analysis/LoopAccessAnalysis/wrapping-pointer-versioning.ll
index 9da3d8f3d28021..52ef2d7fb76216 100644
--- a/llvm/test/Analysis/LoopAccessAnalysis/wrapping-pointer-versioning.ll
+++ b/llvm/test/Analysis/LoopAccessAnalysis/wrapping-pointer-versioning.ll
@@ -22,7 +22,7 @@ target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
; LAA-LABEL: f1
; LAA: Memory dependences are safe{{$}}
; LAA: SCEV assumptions:
-; LAA-NEXT: {0,+,2}<%for.body> Added Flags: <nusw>
+; LAA-NOT: {0,+,2}<%for.body> Added Flags: <nusw>
; LAA-NEXT: {%a,+,4}<%for.body> Added Flags: <nusw>
; The expression for %mul_ext as analyzed by SCEV is
diff --git a/llvm/test/Transforms/LoopVectorize/AArch64/induction-costs-sve.ll b/llvm/test/Transforms/LoopVectorize/AArch64/induction-costs-sve.ll
index e4c23999919456..5d8330eb199a70 100644
--- a/llvm/test/Transforms/LoopVectorize/AArch64/induction-costs-sve.ll
+++ b/llvm/test/Transforms/LoopVectorize/AArch64/induction-costs-sve.ll
@@ -758,7 +758,6 @@ define void @exit_cond_zext_iv(ptr %dst, i64 %N) {
; DEFAULT: vector.scevcheck:
; DEFAULT-NEXT: [[UMAX:%.*]] = call i64 @llvm.umax.i64(i64 [[N]], i64 1)
; DEFAULT-NEXT: [[TMP0:%.*]] = add i64 [[UMAX]], -1
-; DEFAULT-NEXT: [[TMP1:%.*]] = icmp ugt i64 [[TMP0]], 4294967295
; DEFAULT-NEXT: [[TMP2:%.*]] = trunc i64 [[TMP0]] to i32
; DEFAULT-NEXT: [[TMP3:%.*]] = add i32 1, [[TMP2]]
; DEFAULT-NEXT: [[TMP4:%.*]] = icmp ult i32 [[TMP3]], 1
@@ -808,7 +807,6 @@ define void @exit_cond_zext_iv(ptr %dst, i64 %N) {
; PRED: vector.scevcheck:
; PRED-NEXT: [[UMAX:%.*]] = call i64 @llvm.umax.i64(i64 [[N]], i64 1)
; PRED-NEXT: [[TMP0:%.*]] = add i64 [[UMAX]], -1
-; PRED-NEXT: [[TMP1:%.*]] = icmp ugt i64 [[TMP0]], 4294967295
; PRED-NEXT: [[TMP2:%.*]] = trunc i64 [[TMP0]] to i32
; PRED-NEXT: [[TMP3:%.*]] = add i32 1, [[TMP2]]
; PRED-NEXT: [[TMP4:%.*]] = icmp ult i32 [[TMP3]], 1
diff --git a/llvm/test/Transforms/LoopVectorize/AArch64/induction-costs.ll b/llvm/test/Transforms/LoopVectorize/AArch64/induction-costs.ll
index f7f36d011535f4..46998615388440 100644
--- a/llvm/test/Transforms/LoopVectorize/AArch64/induction-costs.ll
+++ b/llvm/test/Transforms/LoopVectorize/AArch64/induction-costs.ll
@@ -391,7 +391,6 @@ define void @zext_iv_increment(ptr %dst, i64 %N) {
; CHECK: vector.scevcheck:
; CHECK-NEXT: [[UMAX:%.*]] = call i64 @llvm.umax.i64(i64 [[N]], i64 1)
; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[UMAX]], -1
-; CHECK-NEXT: [[TMP1:%.*]] = icmp ugt i64 [[TMP0]], 4294967295
; CHECK-NEXT: [[TMP2:%.*]] = trunc i64 [[TMP0]] to i32
; CHECK-NEXT: [[TMP3:%.*]] = add i32 1, [[TMP2]]
; CHECK-NEXT: [[TMP4:%.*]] = icmp ult i32 [[TMP3]], 1
diff --git a/llvm/test/Transforms/LoopVectorize/X86/cost-model.ll b/llvm/test/Transforms/LoopVectorize/X86/cost-model.ll
index f8de81f43afc58..42d14bd04a8f2d 100644
--- a/llvm/test/Transforms/LoopVectorize/X86/cost-model.ll
+++ b/llvm/test/Transforms/LoopVectorize/X86/cost-model.ll
@@ -335,14 +335,13 @@ define void @multi_exit(ptr %dst, ptr %src.1, ptr %src.2, i64 %A, i64 %B) #0 {
; CHECK-NEXT: [[TMP1:%.*]] = freeze i64 [[TMP0]]
; CHECK-NEXT: [[UMIN7:%.*]] = call i64 @llvm.umin.i64(i64 [[TMP1]], i64 [[A:%.*]])
; CHECK-NEXT: [[TMP2:%.*]] = add nuw i64 [[UMIN7]], 1
-; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ule i64 [[TMP2]], 30
+; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ule i64 [[TMP2]], 28
; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_SCEVCHECK:%.*]]
; CHECK: vector.scevcheck:
; CHECK-NEXT: [[UMAX:%.*]] = call i64 @llvm.umax.i64(i64 [[B]], i64 1)
; CHECK-NEXT: [[TMP3:%.*]] = add i64 [[UMAX]], -1
; CHECK-NEXT: [[TMP4:%.*]] = freeze i64 [[TMP3]]
; CHECK-NEXT: [[UMIN:%.*]] = call i64 @llvm.umin.i64(i64 [[TMP4]], i64 [[A]])
-; CHECK-NEXT: [[TMP5:%.*]] = icmp ugt i64 [[UMIN]], 4294967295
; CHECK-NEXT: [[TMP6:%.*]] = trunc i64 [[UMIN]] to i32
; CHECK-NEXT: [[TMP7:%.*]] = add i32 1, [[TMP6]]
; CHECK-NEXT: [[TMP8:%.*]] = icmp ult i32 [[TMP7]], 1
diff --git a/llvm/test/Transforms/LoopVectorize/X86/interleave-cost.ll b/llvm/test/Transforms/LoopVectorize/X86/interleave-cost.ll
index fd89c8b0193415..cda0774ecc3d4d 100644
--- a/llvm/test/Transforms/LoopVectorize/X86/interleave-cost.ll
+++ b/llvm/test/Transforms/LoopVectorize/X86/interleave-cost.ll
@@ -4,182 +4,6 @@
target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.15.0"
-define void @test_free_instructions_feeding_geps_for_interleave_groups(ptr noalias %p.invar, ptr noalias %dst.1, ptr noalias %dst.2) {
-; CHECK-LABEL: define void @test_free_instructions_feeding_geps_for_interleave_groups(
-; CHECK-SAME: ptr noalias [[P_INVAR:%.*]], ptr noalias [[DST_1:%.*]], ptr noalias [[DST_2:%.*]]) {
-; CHECK-NEXT: [[ENTRY:.*]]:
-; CHECK-NEXT: br i1 true, label %[[SCALAR_PH:.*]], label %[[VECTOR_SCEVCHECK:.*]]
-; CHECK: [[VECTOR_SCEVCHECK]]:
-; CHECK-NEXT: [[SCEVGEP:%.*]] = getelementptr i8, ptr [[DST_1]], i64 8
-; CHECK-NEXT: [[MUL:%.*]] = call { i64, i1 } @llvm.umul.with.overflow.i64(i64 16, i64 -1)
-; CHECK-NEXT: [[MUL_RESULT:%.*]] = extractvalue { i64, i1 } [[MUL]], 0
-; CHECK-NEXT: [[MUL_OVERFLOW:%.*]] = extractvalue { i64, i1 } [[MUL]], 1
-; CHECK-NEXT: [[TMP0:%.*]] = sub i64 0, [[MUL_RESULT]]
-; CHECK-NEXT: [[TMP1:%.*]] = getelem...
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When adding a new predicate to a union predicate, some of the existing predicates may be implied by the new predicate. Remove any existing predicates that are already implied by the new predicate. Depends on llvm#118184.
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…nes. (#118185) When adding a new predicate to a union predicate, some of the existing predicates may be implied by the new predicate. Remove any existing predicates that are already implied by the new predicate. Depends on llvm/llvm-project#118184 to show the main benefit. PR: llvm/llvm-project#118185
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When adding a new predicate to a union predicate, some of the existing
predicates may be implied by the new predicate. Remove any existing
predicates that are already implied by the new predicate.
Depends on #118184 to show the main benefit (changes included in this PR).