Reland [llvm] add GenericFloatingPointPredicateUtils #140254 #141065
Merged
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
|
@llvm/pr-subscribers-llvm-transforms @llvm/pr-subscribers-llvm-analysis Author: Tim Gymnich (tgymnich) Changes#140254 was previously missing 2 files in the bazel build config. Patch is 48.45 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/141065.diff 15 Files Affected:
diff --git a/llvm/include/llvm/ADT/GenericFloatingPointPredicateUtils.h b/llvm/include/llvm/ADT/GenericFloatingPointPredicateUtils.h
new file mode 100644
index 0000000000000..49c5fe0aed6e1
--- /dev/null
+++ b/llvm/include/llvm/ADT/GenericFloatingPointPredicateUtils.h
@@ -0,0 +1,479 @@
+//===- llvm/Support/GenericFloatingPointPredicateUtils.h -----*- C++-*-----===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+///
+/// \file
+/// Utilities for dealing with flags related to floating point properties and
+/// mode controls.
+///
+//===----------------------------------------------------------------------===/
+
+#ifndef LLVM_ADT_GENERICFLOATINGPOINTPREDICATEUTILS_H
+#define LLVM_ADT_GENERICFLOATINGPOINTPREDICATEUTILS_H
+
+#include "llvm/ADT/APFloat.h"
+#include "llvm/ADT/FloatingPointMode.h"
+#include "llvm/IR/Instructions.h"
+#include <optional>
+
+namespace llvm {
+
+template <typename ContextT> class GenericFloatingPointPredicateUtils {
+ using ValueRefT = typename ContextT::ValueRefT;
+ using FunctionT = typename ContextT::FunctionT;
+
+ constexpr static ValueRefT Invalid = {};
+
+private:
+ static DenormalMode queryDenormalMode(const FunctionT &F, ValueRefT Val);
+
+ static bool lookThroughFAbs(const FunctionT &F, ValueRefT LHS,
+ ValueRefT &Src);
+
+ static std::optional<APFloat> matchConstantFloat(const FunctionT &F,
+ ValueRefT Val);
+
+ /// Return the return value for fcmpImpliesClass for a compare that produces
+ /// an exact class test.
+ static std::tuple<ValueRefT, FPClassTest, FPClassTest>
+ exactClass(ValueRefT V, FPClassTest M) {
+ return {V, M, ~M};
+ }
+
+public:
+ /// Returns a pair of values, which if passed to llvm.is.fpclass, returns the
+ /// same result as an fcmp with the given operands.
+ static std::pair<ValueRefT, FPClassTest>
+ fcmpToClassTest(FCmpInst::Predicate Pred, const FunctionT &F, ValueRefT LHS,
+ ValueRefT RHS, bool LookThroughSrc) {
+ std::optional<APFloat> ConstRHS = matchConstantFloat(F, RHS);
+ if (!ConstRHS)
+ return {Invalid, fcAllFlags};
+
+ return fcmpToClassTest(Pred, F, LHS, *ConstRHS, LookThroughSrc);
+ }
+
+ static std::pair<ValueRefT, FPClassTest>
+ fcmpToClassTest(FCmpInst::Predicate Pred, const FunctionT &F, ValueRefT LHS,
+ const APFloat &ConstRHS, bool LookThroughSrc) {
+
+ auto [Src, ClassIfTrue, ClassIfFalse] =
+ fcmpImpliesClass(Pred, F, LHS, ConstRHS, LookThroughSrc);
+
+ if (Src && ClassIfTrue == ~ClassIfFalse)
+ return {Src, ClassIfTrue};
+
+ return {Invalid, fcAllFlags};
+ }
+
+ /// Compute the possible floating-point classes that \p LHS could be based on
+ /// fcmp \Pred \p LHS, \p RHS.
+ ///
+ /// \returns { TestedValue, ClassesIfTrue, ClassesIfFalse }
+ ///
+ /// If the compare returns an exact class test, ClassesIfTrue ==
+ /// ~ClassesIfFalse
+ ///
+ /// This is a less exact version of fcmpToClassTest (e.g. fcmpToClassTest will
+ /// only succeed for a test of x > 0 implies positive, but not x > 1).
+ ///
+ /// If \p LookThroughSrc is true, consider the input value when computing the
+ /// mask. This may look through sign bit operations.
+ ///
+ /// If \p LookThroughSrc is false, ignore the source value (i.e. the first
+ /// pair element will always be LHS.
+ ///
+ static std::tuple<ValueRefT, FPClassTest, FPClassTest>
+ fcmpImpliesClass(CmpInst::Predicate Pred, const FunctionT &F, ValueRefT LHS,
+ FPClassTest RHSClass, bool LookThroughSrc) {
+ assert(RHSClass != fcNone);
+ ValueRefT Src = LHS;
+
+ if (Pred == FCmpInst::FCMP_TRUE)
+ return exactClass(Src, fcAllFlags);
+
+ if (Pred == FCmpInst::FCMP_FALSE)
+ return exactClass(Src, fcNone);
+
+ const FPClassTest OrigClass = RHSClass;
+
+ const bool IsNegativeRHS = (RHSClass & fcNegative) == RHSClass;
+ const bool IsPositiveRHS = (RHSClass & fcPositive) == RHSClass;
+ const bool IsNaN = (RHSClass & ~fcNan) == fcNone;
+
+ if (IsNaN) {
+ // fcmp o__ x, nan -> false
+ // fcmp u__ x, nan -> true
+ return exactClass(Src, CmpInst::isOrdered(Pred) ? fcNone : fcAllFlags);
+ }
+
+ // fcmp ord x, zero|normal|subnormal|inf -> ~fcNan
+ if (Pred == FCmpInst::FCMP_ORD)
+ return exactClass(Src, ~fcNan);
+
+ // fcmp uno x, zero|normal|subnormal|inf -> fcNan
+ if (Pred == FCmpInst::FCMP_UNO)
+ return exactClass(Src, fcNan);
+
+ const bool IsFabs = LookThroughSrc && lookThroughFAbs(F, LHS, Src);
+ if (IsFabs)
+ RHSClass = llvm::inverse_fabs(RHSClass);
+
+ const bool IsZero = (OrigClass & fcZero) == OrigClass;
+ if (IsZero) {
+ assert(Pred != FCmpInst::FCMP_ORD && Pred != FCmpInst::FCMP_UNO);
+ // Compares with fcNone are only exactly equal to fcZero if input
+ // denormals are not flushed.
+ // TODO: Handle DAZ by expanding masks to cover subnormal cases.
+ DenormalMode Mode = queryDenormalMode(F, LHS);
+ if (Mode.Input != DenormalMode::IEEE)
+ return {Invalid, fcAllFlags, fcAllFlags};
+
+ switch (Pred) {
+ case FCmpInst::FCMP_OEQ: // Match x == 0.0
+ return exactClass(Src, fcZero);
+ case FCmpInst::FCMP_UEQ: // Match isnan(x) || (x == 0.0)
+ return exactClass(Src, fcZero | fcNan);
+ case FCmpInst::FCMP_UNE: // Match (x != 0.0)
+ return exactClass(Src, ~fcZero);
+ case FCmpInst::FCMP_ONE: // Match !isnan(x) && x != 0.0
+ return exactClass(Src, ~fcNan & ~fcZero);
+ case FCmpInst::FCMP_ORD:
+ // Canonical form of ord/uno is with a zero. We could also handle
+ // non-canonical other non-NaN constants or LHS == RHS.
+ return exactClass(Src, ~fcNan);
+ case FCmpInst::FCMP_UNO:
+ return exactClass(Src, fcNan);
+ case FCmpInst::FCMP_OGT: // x > 0
+ return exactClass(Src, fcPosSubnormal | fcPosNormal | fcPosInf);
+ case FCmpInst::FCMP_UGT: // isnan(x) || x > 0
+ return exactClass(Src, fcPosSubnormal | fcPosNormal | fcPosInf | fcNan);
+ case FCmpInst::FCMP_OGE: // x >= 0
+ return exactClass(Src, fcPositive | fcNegZero);
+ case FCmpInst::FCMP_UGE: // isnan(x) || x >= 0
+ return exactClass(Src, fcPositive | fcNegZero | fcNan);
+ case FCmpInst::FCMP_OLT: // x < 0
+ return exactClass(Src, fcNegSubnormal | fcNegNormal | fcNegInf);
+ case FCmpInst::FCMP_ULT: // isnan(x) || x < 0
+ return exactClass(Src, fcNegSubnormal | fcNegNormal | fcNegInf | fcNan);
+ case FCmpInst::FCMP_OLE: // x <= 0
+ return exactClass(Src, fcNegative | fcPosZero);
+ case FCmpInst::FCMP_ULE: // isnan(x) || x <= 0
+ return exactClass(Src, fcNegative | fcPosZero | fcNan);
+ default:
+ llvm_unreachable("all compare types are handled");
+ }
+
+ return {Invalid, fcAllFlags, fcAllFlags};
+ }
+
+ const bool IsDenormalRHS = (OrigClass & fcSubnormal) == OrigClass;
+
+ const bool IsInf = (OrigClass & fcInf) == OrigClass;
+ if (IsInf) {
+ FPClassTest Mask = fcAllFlags;
+
+ switch (Pred) {
+ case FCmpInst::FCMP_OEQ:
+ case FCmpInst::FCMP_UNE: {
+ // Match __builtin_isinf patterns
+ //
+ // fcmp oeq x, +inf -> is_fpclass x, fcPosInf
+ // fcmp oeq fabs(x), +inf -> is_fpclass x, fcInf
+ // fcmp oeq x, -inf -> is_fpclass x, fcNegInf
+ // fcmp oeq fabs(x), -inf -> is_fpclass x, 0 -> false
+ //
+ // fcmp une x, +inf -> is_fpclass x, ~fcPosInf
+ // fcmp une fabs(x), +inf -> is_fpclass x, ~fcInf
+ // fcmp une x, -inf -> is_fpclass x, ~fcNegInf
+ // fcmp une fabs(x), -inf -> is_fpclass x, fcAllFlags -> true
+ if (IsNegativeRHS) {
+ Mask = fcNegInf;
+ if (IsFabs)
+ Mask = fcNone;
+ } else {
+ Mask = fcPosInf;
+ if (IsFabs)
+ Mask |= fcNegInf;
+ }
+ break;
+ }
+ case FCmpInst::FCMP_ONE:
+ case FCmpInst::FCMP_UEQ: {
+ // Match __builtin_isinf patterns
+ // fcmp one x, -inf -> is_fpclass x, fcNegInf
+ // fcmp one fabs(x), -inf -> is_fpclass x, ~fcNegInf & ~fcNan
+ // fcmp one x, +inf -> is_fpclass x, ~fcNegInf & ~fcNan
+ // fcmp one fabs(x), +inf -> is_fpclass x, ~fcInf & fcNan
+ //
+ // fcmp ueq x, +inf -> is_fpclass x, fcPosInf|fcNan
+ // fcmp ueq (fabs x), +inf -> is_fpclass x, fcInf|fcNan
+ // fcmp ueq x, -inf -> is_fpclass x, fcNegInf|fcNan
+ // fcmp ueq fabs(x), -inf -> is_fpclass x, fcNan
+ if (IsNegativeRHS) {
+ Mask = ~fcNegInf & ~fcNan;
+ if (IsFabs)
+ Mask = ~fcNan;
+ } else {
+ Mask = ~fcPosInf & ~fcNan;
+ if (IsFabs)
+ Mask &= ~fcNegInf;
+ }
+
+ break;
+ }
+ case FCmpInst::FCMP_OLT:
+ case FCmpInst::FCMP_UGE: {
+ if (IsNegativeRHS) {
+ // No value is ordered and less than negative infinity.
+ // All values are unordered with or at least negative infinity.
+ // fcmp olt x, -inf -> false
+ // fcmp uge x, -inf -> true
+ Mask = fcNone;
+ break;
+ }
+
+ // fcmp olt fabs(x), +inf -> fcFinite
+ // fcmp uge fabs(x), +inf -> ~fcFinite
+ // fcmp olt x, +inf -> fcFinite|fcNegInf
+ // fcmp uge x, +inf -> ~(fcFinite|fcNegInf)
+ Mask = fcFinite;
+ if (!IsFabs)
+ Mask |= fcNegInf;
+ break;
+ }
+ case FCmpInst::FCMP_OGE:
+ case FCmpInst::FCMP_ULT: {
+ if (IsNegativeRHS) {
+ // fcmp oge x, -inf -> ~fcNan
+ // fcmp oge fabs(x), -inf -> ~fcNan
+ // fcmp ult x, -inf -> fcNan
+ // fcmp ult fabs(x), -inf -> fcNan
+ Mask = ~fcNan;
+ break;
+ }
+
+ // fcmp oge fabs(x), +inf -> fcInf
+ // fcmp oge x, +inf -> fcPosInf
+ // fcmp ult fabs(x), +inf -> ~fcInf
+ // fcmp ult x, +inf -> ~fcPosInf
+ Mask = fcPosInf;
+ if (IsFabs)
+ Mask |= fcNegInf;
+ break;
+ }
+ case FCmpInst::FCMP_OGT:
+ case FCmpInst::FCMP_ULE: {
+ if (IsNegativeRHS) {
+ // fcmp ogt x, -inf -> fcmp one x, -inf
+ // fcmp ogt fabs(x), -inf -> fcmp ord x, x
+ // fcmp ule x, -inf -> fcmp ueq x, -inf
+ // fcmp ule fabs(x), -inf -> fcmp uno x, x
+ Mask = IsFabs ? ~fcNan : ~(fcNegInf | fcNan);
+ break;
+ }
+
+ // No value is ordered and greater than infinity.
+ Mask = fcNone;
+ break;
+ }
+ case FCmpInst::FCMP_OLE:
+ case FCmpInst::FCMP_UGT: {
+ if (IsNegativeRHS) {
+ Mask = IsFabs ? fcNone : fcNegInf;
+ break;
+ }
+
+ // fcmp ole x, +inf -> fcmp ord x, x
+ // fcmp ole fabs(x), +inf -> fcmp ord x, x
+ // fcmp ole x, -inf -> fcmp oeq x, -inf
+ // fcmp ole fabs(x), -inf -> false
+ Mask = ~fcNan;
+ break;
+ }
+ default:
+ llvm_unreachable("all compare types are handled");
+ }
+
+ // Invert the comparison for the unordered cases.
+ if (FCmpInst::isUnordered(Pred))
+ Mask = ~Mask;
+
+ return exactClass(Src, Mask);
+ }
+
+ if (Pred == FCmpInst::FCMP_OEQ)
+ return {Src, RHSClass, fcAllFlags};
+
+ if (Pred == FCmpInst::FCMP_UEQ) {
+ FPClassTest Class = RHSClass | fcNan;
+ return {Src, Class, ~fcNan};
+ }
+
+ if (Pred == FCmpInst::FCMP_ONE)
+ return {Src, ~fcNan, RHSClass | fcNan};
+
+ if (Pred == FCmpInst::FCMP_UNE)
+ return {Src, fcAllFlags, RHSClass};
+
+ assert((RHSClass == fcNone || RHSClass == fcPosNormal ||
+ RHSClass == fcNegNormal || RHSClass == fcNormal ||
+ RHSClass == fcPosSubnormal || RHSClass == fcNegSubnormal ||
+ RHSClass == fcSubnormal) &&
+ "should have been recognized as an exact class test");
+
+ if (IsNegativeRHS) {
+ // TODO: Handle fneg(fabs)
+ if (IsFabs) {
+ // fabs(x) o> -k -> fcmp ord x, x
+ // fabs(x) u> -k -> true
+ // fabs(x) o< -k -> false
+ // fabs(x) u< -k -> fcmp uno x, x
+ switch (Pred) {
+ case FCmpInst::FCMP_OGT:
+ case FCmpInst::FCMP_OGE:
+ return {Src, ~fcNan, fcNan};
+ case FCmpInst::FCMP_UGT:
+ case FCmpInst::FCMP_UGE:
+ return {Src, fcAllFlags, fcNone};
+ case FCmpInst::FCMP_OLT:
+ case FCmpInst::FCMP_OLE:
+ return {Src, fcNone, fcAllFlags};
+ case FCmpInst::FCMP_ULT:
+ case FCmpInst::FCMP_ULE:
+ return {Src, fcNan, ~fcNan};
+ default:
+ break;
+ }
+
+ return {Invalid, fcAllFlags, fcAllFlags};
+ }
+
+ FPClassTest ClassesLE = fcNegInf | fcNegNormal;
+ FPClassTest ClassesGE = fcPositive | fcNegZero | fcNegSubnormal;
+
+ if (IsDenormalRHS)
+ ClassesLE |= fcNegSubnormal;
+ else
+ ClassesGE |= fcNegNormal;
+
+ switch (Pred) {
+ case FCmpInst::FCMP_OGT:
+ case FCmpInst::FCMP_OGE:
+ return {Src, ClassesGE, ~ClassesGE | RHSClass};
+ case FCmpInst::FCMP_UGT:
+ case FCmpInst::FCMP_UGE:
+ return {Src, ClassesGE | fcNan, ~(ClassesGE | fcNan) | RHSClass};
+ case FCmpInst::FCMP_OLT:
+ case FCmpInst::FCMP_OLE:
+ return {Src, ClassesLE, ~ClassesLE | RHSClass};
+ case FCmpInst::FCMP_ULT:
+ case FCmpInst::FCMP_ULE:
+ return {Src, ClassesLE | fcNan, ~(ClassesLE | fcNan) | RHSClass};
+ default:
+ break;
+ }
+ } else if (IsPositiveRHS) {
+ FPClassTest ClassesGE = fcPosNormal | fcPosInf;
+ FPClassTest ClassesLE = fcNegative | fcPosZero | fcPosSubnormal;
+ if (IsDenormalRHS)
+ ClassesGE |= fcPosSubnormal;
+ else
+ ClassesLE |= fcPosNormal;
+
+ if (IsFabs) {
+ ClassesGE = llvm::inverse_fabs(ClassesGE);
+ ClassesLE = llvm::inverse_fabs(ClassesLE);
+ }
+
+ switch (Pred) {
+ case FCmpInst::FCMP_OGT:
+ case FCmpInst::FCMP_OGE:
+ return {Src, ClassesGE, ~ClassesGE | RHSClass};
+ case FCmpInst::FCMP_UGT:
+ case FCmpInst::FCMP_UGE:
+ return {Src, ClassesGE | fcNan, ~(ClassesGE | fcNan) | RHSClass};
+ case FCmpInst::FCMP_OLT:
+ case FCmpInst::FCMP_OLE:
+ return {Src, ClassesLE, ~ClassesLE | RHSClass};
+ case FCmpInst::FCMP_ULT:
+ case FCmpInst::FCMP_ULE:
+ return {Src, ClassesLE | fcNan, ~(ClassesLE | fcNan) | RHSClass};
+ default:
+ break;
+ }
+ }
+
+ return {Invalid, fcAllFlags, fcAllFlags};
+ }
+
+ static std::tuple<ValueRefT, FPClassTest, FPClassTest>
+ fcmpImpliesClass(CmpInst::Predicate Pred, const FunctionT &F, ValueRefT LHS,
+ const APFloat &ConstRHS, bool LookThroughSrc) {
+ // We can refine checks against smallest normal / largest denormal to an
+ // exact class test.
+ if (!ConstRHS.isNegative() && ConstRHS.isSmallestNormalized()) {
+ ValueRefT Src = LHS;
+ const bool IsFabs = LookThroughSrc && lookThroughFAbs(F, LHS, Src);
+
+ FPClassTest Mask;
+ // Match pattern that's used in __builtin_isnormal.
+ switch (Pred) {
+ case FCmpInst::FCMP_OLT:
+ case FCmpInst::FCMP_UGE: {
+ // fcmp olt x, smallest_normal ->
+ // fcNegInf|fcNegNormal|fcSubnormal|fcZero fcmp olt fabs(x),
+ // smallest_normal -> fcSubnormal|fcZero fcmp uge x, smallest_normal ->
+ // fcNan|fcPosNormal|fcPosInf fcmp uge fabs(x), smallest_normal ->
+ // ~(fcSubnormal|fcZero)
+ Mask = fcZero | fcSubnormal;
+ if (!IsFabs)
+ Mask |= fcNegNormal | fcNegInf;
+
+ break;
+ }
+ case FCmpInst::FCMP_OGE:
+ case FCmpInst::FCMP_ULT: {
+ // fcmp oge x, smallest_normal -> fcPosNormal | fcPosInf
+ // fcmp oge fabs(x), smallest_normal -> fcInf | fcNormal
+ // fcmp ult x, smallest_normal -> ~(fcPosNormal | fcPosInf)
+ // fcmp ult fabs(x), smallest_normal -> ~(fcInf | fcNormal)
+ Mask = fcPosInf | fcPosNormal;
+ if (IsFabs)
+ Mask |= fcNegInf | fcNegNormal;
+ break;
+ }
+ default:
+ return fcmpImpliesClass(Pred, F, LHS, ConstRHS.classify(),
+ LookThroughSrc);
+ }
+
+ // Invert the comparison for the unordered cases.
+ if (FCmpInst::isUnordered(Pred))
+ Mask = ~Mask;
+
+ return exactClass(Src, Mask);
+ }
+
+ return fcmpImpliesClass(Pred, F, LHS, ConstRHS.classify(), LookThroughSrc);
+ }
+
+ static std::tuple<ValueRefT, FPClassTest, FPClassTest>
+ fcmpImpliesClass(CmpInst::Predicate Pred, const FunctionT &F, ValueRefT LHS,
+ ValueRefT RHS, bool LookThroughSrc) {
+ std::optional<APFloat> ConstRHS = matchConstantFloat(F, RHS);
+ if (!ConstRHS)
+ return {Invalid, fcAllFlags, fcAllFlags};
+
+ // TODO: Just call computeKnownFPClass for RHS to handle non-constants.
+ return fcmpImpliesClass(Pred, F, LHS, *ConstRHS, LookThroughSrc);
+ }
+};
+
+} // namespace llvm
+
+#endif // LLVM_ADT_GENERICFLOATINGPOINTPREDICATEUTILS_H
diff --git a/llvm/include/llvm/Analysis/FloatingPointPredicateUtils.h b/llvm/include/llvm/Analysis/FloatingPointPredicateUtils.h
new file mode 100644
index 0000000000000..96fdbf48d8b43
--- /dev/null
+++ b/llvm/include/llvm/Analysis/FloatingPointPredicateUtils.h
@@ -0,0 +1,73 @@
+//===- llvm/Analysis/FloatingPointPredicateUtils.h ------------*- C++ -*---===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_ANALYSIS_FLOATINGPOINTPREDICATEUTILS_H
+#define LLVM_ANALYSIS_FLOATINGPOINTPREDICATEUTILS_H
+
+#include "llvm/ADT/GenericFloatingPointPredicateUtils.h"
+#include "llvm/IR/SSAContext.h"
+
+namespace llvm {
+
+using FloatingPointPredicateUtils =
+ GenericFloatingPointPredicateUtils<SSAContext>;
+
+/// Returns a pair of values, which if passed to llvm.is.fpclass, returns the
+/// same result as an fcmp with the given operands.
+///
+/// If \p LookThroughSrc is true, consider the input value when computing the
+/// mask.
+///
+/// If \p LookThroughSrc is false, ignore the source value (i.e. the first pair
+/// element will always be LHS.
+inline std::pair<Value *, FPClassTest>
+fcmpToClassTest(FCmpInst::Predicate Pred, const Function &F, Value *LHS,
+ Value *RHS, bool LookThroughSrc = true) {
+ return FloatingPointPredicateUtils::fcmpToClassTest(Pred, F, LHS, RHS,
+ LookThroughSrc = true);
+}
+
+/// Returns a pair of values, which if passed to llvm.is.fpclass, returns the
+/// same result as an fcmp with the given operands.
+///
+/// If \p LookThroughSrc is true, consider the input value when computing the
+/// mask.
+///
+/// If \p LookThroughSrc is false, ignore the source value (i.e. the first pair
+/// element will always be LHS.
+inline std::pair<Value *, FPClassTest>
+fcmpToClassTest(FCmpInst::Predicate Pred, const Function &F, Value *LHS,
+ const APFloat *ConstRHS, bool LookThroughSrc = true) {
+ return FloatingPointPredicateUtils::fcmpToClassTest(Pred, F, LHS, *ConstRHS,
+ LookThroughSrc);
+}
+
+inline std::tuple<Value *, FPClassTest, FPClassTest>
+fcmpImpliesClass(CmpInst::Predicate Pred, const Function &F, Value *LHS,
+ FPClassTest RHSClass, bool LookThroughSrc = true) {
+ return FloatingPointPredicateUtils::fcmpImpliesClass(Pred, F, LHS, RHSClass,
+ LookThroughSrc);
+}
+
+inline std::tuple<Value *, FPClassTest, FPClassTest>
+fcmpImpliesClass(CmpInst::Predicate Pred, const Function &F, Value *LHS,
+ const APFloat &ConstRHS, bool LookThroughSrc = true) {
+ return FloatingPointPredicateUtils::fcmpImpliesClass(Pred, F, LHS, ConstRHS,
+ ...
[truncated]
|
Should not have been reverted due to Bazel issues, this isn't supposed to be your problem |
arsenm
approved these changes
May 22, 2025
|
LLVM Buildbot has detected a new failure on builder Full details are available at: https://lab.llvm.org/buildbot/#/builders/10/builds/5862 Here is the relevant piece of the build log for the reference |
|
Hi there, does this miss some library that it should link and that's why our bot broke? |
|
LLVM Buildbot has detected a new failure on builder Full details are available at: https://lab.llvm.org/buildbot/#/builders/138/builds/13511 Here is the relevant piece of the build log for the reference |
arsenm
reviewed
May 22, 2025
| @@ -0,0 +1,48 @@ | |||
| //===- MachineFloatingPointPredicateUtils.cpp -----------------------------===// | |||
There was a problem hiding this comment.
This should be moved into the LLVMGlobalISel library, it's not general codegen
|
LLVM Buildbot has detected a new failure on builder Full details are available at: https://lab.llvm.org/buildbot/#/builders/206/builds/682 Here is the relevant piece of the build log for the reference |
|
LLVM Buildbot has detected a new failure on builder Full details are available at: https://lab.llvm.org/buildbot/#/builders/204/builds/10126 Here is the relevant piece of the build log for the reference |
|
LLVM Buildbot has detected a new failure on builder Full details are available at: https://lab.llvm.org/buildbot/#/builders/205/builds/10104 Here is the relevant piece of the build log for the reference |
|
LLVM Buildbot has detected a new failure on builder Full details are available at: https://lab.llvm.org/buildbot/#/builders/203/builds/11313 Here is the relevant piece of the build log for the reference |
|
LLVM Buildbot has detected a new failure on builder Full details are available at: https://lab.llvm.org/buildbot/#/builders/76/builds/9804 Here is the relevant piece of the build log for the reference |
|
LLVM Buildbot has detected a new failure on builder Full details are available at: https://lab.llvm.org/buildbot/#/builders/126/builds/3734 Here is the relevant piece of the build log for the reference |
|
LLVM Buildbot has detected a new failure on builder Full details are available at: https://lab.llvm.org/buildbot/#/builders/80/builds/13608 Here is the relevant piece of the build log for the reference |
|
LLVM Buildbot has detected a new failure on builder Full details are available at: https://lab.llvm.org/buildbot/#/builders/160/builds/17892 Here is the relevant piece of the build log for the reference |
|
LLVM Buildbot has detected a new failure on builder Full details are available at: https://lab.llvm.org/buildbot/#/builders/180/builds/18035 Here is the relevant piece of the build log for the reference |
|
LLVM Buildbot has detected a new failure on builder Full details are available at: https://lab.llvm.org/buildbot/#/builders/130/builds/13309 Here is the relevant piece of the build log for the reference |
|
LLVM Buildbot has detected a new failure on builder Full details are available at: https://lab.llvm.org/buildbot/#/builders/97/builds/6778 Here is the relevant piece of the build log for the reference |
|
LLVM Buildbot has detected a new failure on builder Full details are available at: https://lab.llvm.org/buildbot/#/builders/118/builds/6434 Here is the relevant piece of the build log for the reference |
|
This breaks Darwin bots: https://green.lab.llvm.org/job/llvm.org/job/clang-stage2-Rthinlto/762/ It is a module layering violation to include LLVM_IR from Support or ADT. Please revert. |
tgymnich
added a commit
to tgymnich/llvm-project
that referenced
this pull request
May 23, 2025
(llvm#141065)" This reverts commit 571a24c.
|
LLVM Buildbot has detected a new failure on builder Full details are available at: https://lab.llvm.org/buildbot/#/builders/151/builds/5832 Here is the relevant piece of the build log for the reference |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
#140254 was previously missing 2 files in the bazel build config.