Date: Thu, 20 Apr 2017 21:48:54 +0000 (UTC) From: Dimitry Andric <dim@FreeBSD.org> To: src-committers@freebsd.org, svn-src-projects@freebsd.org Subject: svn commit: r317230 - in projects/clang500-import: contrib/llvm/include/llvm contrib/llvm/include/llvm-c contrib/llvm/include/llvm/ADT contrib/llvm/include/llvm/Analysis contrib/llvm/include/llvm/B... Message-ID: <201704202148.v3KLms0M014554@repo.freebsd.org>
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Author: dim Date: Thu Apr 20 21:48:54 2017 New Revision: 317230 URL: https://svnweb.freebsd.org/changeset/base/317230 Log: Merge llvm, clang, lld and lldb trunk r300890, and update build glue. Added: projects/clang500-import/contrib/llvm/tools/clang/include/clang/Basic/AttrSubjectMatchRules.h - copied unchanged from r317229, vendor/clang/dist/include/clang/Basic/AttrSubjectMatchRules.h Modified: projects/clang500-import/contrib/llvm/include/llvm-c/Core.h projects/clang500-import/contrib/llvm/include/llvm-c/Types.h projects/clang500-import/contrib/llvm/include/llvm/ADT/APInt.h projects/clang500-import/contrib/llvm/include/llvm/ADT/BitVector.h projects/clang500-import/contrib/llvm/include/llvm/ADT/SmallBitVector.h projects/clang500-import/contrib/llvm/include/llvm/Analysis/BlockFrequencyInfoImpl.h projects/clang500-import/contrib/llvm/include/llvm/Analysis/DominanceFrontierImpl.h projects/clang500-import/contrib/llvm/include/llvm/Analysis/LoopInfo.h projects/clang500-import/contrib/llvm/include/llvm/Analysis/LoopInfoImpl.h projects/clang500-import/contrib/llvm/include/llvm/Analysis/MemoryBuiltins.h projects/clang500-import/contrib/llvm/include/llvm/Analysis/ScalarEvolution.h 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projects/clang500-import/contrib/llvm/tools/lldb/source/Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/RenderScriptRuntime.cpp projects/clang500-import/contrib/llvm/tools/lldb/source/Plugins/Process/NetBSD/NativeProcessNetBSD.cpp projects/clang500-import/contrib/llvm/tools/lldb/source/Plugins/Process/NetBSD/NativeRegisterContextNetBSD.cpp projects/clang500-import/contrib/llvm/tools/lldb/source/Plugins/Process/NetBSD/NativeRegisterContextNetBSD.h projects/clang500-import/contrib/llvm/tools/lldb/source/Plugins/Process/NetBSD/NativeRegisterContextNetBSD_x86_64.cpp projects/clang500-import/contrib/llvm/tools/lldb/source/Plugins/Process/NetBSD/NativeRegisterContextNetBSD_x86_64.h projects/clang500-import/contrib/llvm/tools/lldb/source/Plugins/Process/NetBSD/NativeThreadNetBSD.cpp projects/clang500-import/contrib/llvm/tools/lldb/source/Plugins/Process/NetBSD/NativeThreadNetBSD.h projects/clang500-import/contrib/llvm/tools/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_mips64.cpp projects/clang500-import/contrib/llvm/tools/lldb/source/Plugins/Process/Utility/RegisterInfos_x86_64.h projects/clang500-import/contrib/llvm/tools/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.cpp projects/clang500-import/contrib/llvm/tools/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.h projects/clang500-import/contrib/llvm/tools/lldb/source/Symbol/ClangASTContext.cpp projects/clang500-import/contrib/llvm/tools/lldb/source/Utility/StringLexer.cpp projects/clang500-import/contrib/llvm/tools/llvm-bcanalyzer/llvm-bcanalyzer.cpp projects/clang500-import/contrib/llvm/tools/llvm-modextract/llvm-modextract.cpp projects/clang500-import/contrib/llvm/tools/llvm-xray/xray-extract.cc projects/clang500-import/contrib/llvm/utils/TableGen/CodeGenTarget.cpp projects/clang500-import/contrib/llvm/utils/TableGen/IntrinsicEmitter.cpp projects/clang500-import/lib/clang/include/clang/Basic/Version.inc projects/clang500-import/lib/clang/include/lld/Config/Version.inc projects/clang500-import/lib/clang/include/llvm/Support/VCSRevision.h Directory Properties: projects/clang500-import/contrib/llvm/ (props changed) projects/clang500-import/contrib/llvm/tools/clang/ (props changed) projects/clang500-import/contrib/llvm/tools/lld/ (props changed) projects/clang500-import/contrib/llvm/tools/lldb/ (props changed) Modified: projects/clang500-import/contrib/llvm/include/llvm-c/Core.h ============================================================================== --- projects/clang500-import/contrib/llvm/include/llvm-c/Core.h Thu Apr 20 21:21:35 2017 (r317229) +++ projects/clang500-import/contrib/llvm/include/llvm-c/Core.h Thu Apr 20 21:48:54 2017 (r317230) @@ -2131,6 +2131,16 @@ LLVMValueRef LLVMMDNodeInContext(LLVMCon LLVMValueRef LLVMMDNode(LLVMValueRef *Vals, unsigned Count); /** + * Obtain a Metadata as a Value. + */ +LLVMValueRef LLVMMetadataAsValue(LLVMContextRef C, LLVMMetadataRef MD); + +/** + * Obtain a Value as a Metadata. + */ +LLVMMetadataRef LLVMValueAsMetadata(LLVMValueRef Val); + +/** * Obtain the underlying string from a MDString value. * * @param V Instance to obtain string from. Modified: projects/clang500-import/contrib/llvm/include/llvm-c/Types.h ============================================================================== --- projects/clang500-import/contrib/llvm/include/llvm-c/Types.h Thu Apr 20 21:21:35 2017 (r317229) +++ projects/clang500-import/contrib/llvm/include/llvm-c/Types.h Thu Apr 20 21:48:54 2017 (r317230) @@ -83,6 +83,13 @@ typedef struct LLVMOpaqueValue *LLVMValu typedef struct LLVMOpaqueBasicBlock *LLVMBasicBlockRef; /** + * Represents an LLVM Metadata. + * + * This models llvm::Metadata. + */ +typedef struct LLVMOpaqueMetadata *LLVMMetadataRef; + +/** * Represents an LLVM basic block builder. * * This models llvm::IRBuilder. @@ -90,6 +97,13 @@ typedef struct LLVMOpaqueBasicBlock *LLV typedef struct LLVMOpaqueBuilder *LLVMBuilderRef; /** + * Represents an LLVM debug info builder. + * + * This models llvm::DIBuilder. + */ +typedef struct LLVMOpaqueDIBuilder *LLVMDIBuilderRef; + +/** * Interface used to provide a module to JIT or interpreter. * This is now just a synonym for llvm::Module, but we have to keep using the * different type to keep binary compatibility. Modified: projects/clang500-import/contrib/llvm/include/llvm/ADT/APInt.h ============================================================================== --- projects/clang500-import/contrib/llvm/include/llvm/ADT/APInt.h Thu Apr 20 21:21:35 2017 (r317229) +++ projects/clang500-import/contrib/llvm/include/llvm/ADT/APInt.h Thu Apr 20 21:48:54 2017 (r317230) @@ -189,17 +189,17 @@ private: void initSlowCase(const APInt &that); /// out-of-line slow case for shl - APInt shlSlowCase(unsigned shiftAmt) const; + void shlSlowCase(unsigned ShiftAmt); + + /// out-of-line slow case for lshr. + void lshrSlowCase(unsigned ShiftAmt); /// out-of-line slow case for operator= - APInt &AssignSlowCase(const APInt &RHS); + void AssignSlowCase(const APInt &RHS); /// out-of-line slow case for operator== bool EqualSlowCase(const APInt &RHS) const LLVM_READONLY; - /// out-of-line slow case for operator== - bool EqualSlowCase(uint64_t Val) const LLVM_READONLY; - /// out-of-line slow case for countLeadingZeros unsigned countLeadingZerosSlowCase() const LLVM_READONLY; @@ -209,6 +209,12 @@ private: /// out-of-line slow case for countPopulation unsigned countPopulationSlowCase() const LLVM_READONLY; + /// out-of-line slow case for intersects. + bool intersectsSlowCase(const APInt &RHS) const LLVM_READONLY; + + /// out-of-line slow case for isSubsetOf. + bool isSubsetOfSlowCase(const APInt &RHS) const LLVM_READONLY; + /// out-of-line slow case for setBits. void setBitsSlowCase(unsigned loBit, unsigned hiBit); @@ -216,13 +222,13 @@ private: void flipAllBitsSlowCase(); /// out-of-line slow case for operator&=. - APInt& AndAssignSlowCase(const APInt& RHS); + void AndAssignSlowCase(const APInt& RHS); /// out-of-line slow case for operator|=. - APInt& OrAssignSlowCase(const APInt& RHS); + void OrAssignSlowCase(const APInt& RHS); /// out-of-line slow case for operator^=. - APInt& XorAssignSlowCase(const APInt& RHS); + void XorAssignSlowCase(const APInt& RHS); public: /// \name Constructors @@ -330,6 +336,20 @@ public: /// This tests the high bit of the APInt to determine if it is unset. bool isNonNegative() const { return !isNegative(); } + /// \brief Determine if sign bit of this APInt is set. + /// + /// This tests the high bit of this APInt to determine if it is set. + /// + /// \returns true if this APInt has its sign bit set, false otherwise. + bool isSignBitSet() const { return (*this)[BitWidth-1]; } + + /// \brief Determine if sign bit of this APInt is clear. + /// + /// This tests the high bit of this APInt to determine if it is clear. + /// + /// \returns true if this APInt has its sign bit clear, false otherwise. + bool isSignBitClear() const { return !isSignBitSet(); } + /// \brief Determine if this APInt Value is positive. /// /// This tests if the value of this APInt is positive (> 0). Note @@ -396,10 +416,10 @@ public: return countPopulationSlowCase() == 1; } - /// \brief Check if the APInt's value is returned by getSignBit. + /// \brief Check if the APInt's value is returned by getSignMask. /// - /// \returns true if this is the value returned by getSignBit. - bool isSignBit() const { return isMinSignedValue(); } + /// \returns true if this is the value returned by getSignMask. + bool isSignMask() const { return isMinSignedValue(); } /// \brief Convert APInt to a boolean value. /// @@ -409,8 +429,7 @@ public: /// If this value is smaller than the specified limit, return it, otherwise /// return the limit value. This causes the value to saturate to the limit. uint64_t getLimitedValue(uint64_t Limit = UINT64_MAX) const { - return (getActiveBits() > 64 || getZExtValue() > Limit) ? Limit - : getZExtValue(); + return ugt(Limit) ? Limit : getZExtValue(); } /// \brief Check if the APInt consists of a repeated bit pattern. @@ -427,8 +446,9 @@ public: assert(numBits <= BitWidth && "numBits out of range"); if (isSingleWord()) return VAL == (UINT64_MAX >> (APINT_BITS_PER_WORD - numBits)); - unsigned Ones = countTrailingOnes(); - return (numBits == Ones) && ((Ones + countLeadingZeros()) == BitWidth); + unsigned Ones = countTrailingOnesSlowCase(); + return (numBits == Ones) && + ((Ones + countLeadingZerosSlowCase()) == BitWidth); } /// \returns true if this APInt is a non-empty sequence of ones starting at @@ -437,8 +457,8 @@ public: bool isMask() const { if (isSingleWord()) return isMask_64(VAL); - unsigned Ones = countTrailingOnes(); - return (Ones > 0) && ((Ones + countLeadingZeros()) == BitWidth); + unsigned Ones = countTrailingOnesSlowCase(); + return (Ones > 0) && ((Ones + countLeadingZerosSlowCase()) == BitWidth); } /// \brief Return true if this APInt value contains a sequence of ones with @@ -446,8 +466,9 @@ public: bool isShiftedMask() const { if (isSingleWord()) return isShiftedMask_64(VAL); - unsigned Ones = countPopulation(); - return (Ones + countTrailingZeros() + countLeadingZeros()) == BitWidth; + unsigned Ones = countPopulationSlowCase(); + unsigned LeadZ = countLeadingZerosSlowCase(); + return (Ones + LeadZ + countTrailingZeros()) == BitWidth; } /// @} @@ -476,11 +497,11 @@ public: return API; } - /// \brief Get the SignBit for a specific bit width. + /// \brief Get the SignMask for a specific bit width. /// /// This is just a wrapper function of getSignedMinValue(), and it helps code - /// readability when we want to get a SignBit. - static APInt getSignBit(unsigned BitWidth) { + /// readability when we want to get a SignMask. + static APInt getSignMask(unsigned BitWidth) { return getSignedMinValue(BitWidth); } @@ -674,29 +695,22 @@ public: return clearUnusedBits(); } - return AssignSlowCase(RHS); + AssignSlowCase(RHS); + return *this; } /// @brief Move assignment operator. APInt &operator=(APInt &&that) { - if (!isSingleWord()) { - // The MSVC STL shipped in 2013 requires that self move assignment be a - // no-op. Otherwise algorithms like stable_sort will produce answers - // where half of the output is left in a moved-from state. - if (this == &that) - return *this; + assert(this != &that && "Self-move not supported"); + if (!isSingleWord()) delete[] pVal; - } // Use memcpy so that type based alias analysis sees both VAL and pVal // as modified. memcpy(&VAL, &that.VAL, sizeof(uint64_t)); - // If 'this == &that', avoid zeroing our own bitwidth by storing to 'that' - // first. - unsigned ThatBitWidth = that.BitWidth; + BitWidth = that.BitWidth; that.BitWidth = 0; - BitWidth = ThatBitWidth; return *this; } @@ -727,11 +741,11 @@ public: /// \returns *this after ANDing with RHS. APInt &operator&=(const APInt &RHS) { assert(BitWidth == RHS.BitWidth && "Bit widths must be the same"); - if (isSingleWord()) { + if (isSingleWord()) VAL &= RHS.VAL; - return *this; - } - return AndAssignSlowCase(RHS); + else + AndAssignSlowCase(RHS); + return *this; } /// \brief Bitwise AND assignment operator. @@ -757,11 +771,11 @@ public: /// \returns *this after ORing with RHS. APInt &operator|=(const APInt &RHS) { assert(BitWidth == RHS.BitWidth && "Bit widths must be the same"); - if (isSingleWord()) { + if (isSingleWord()) VAL |= RHS.VAL; - return *this; - } - return OrAssignSlowCase(RHS); + else + OrAssignSlowCase(RHS); + return *this; } /// \brief Bitwise OR assignment operator. @@ -787,11 +801,11 @@ public: /// \returns *this after XORing with RHS. APInt &operator^=(const APInt &RHS) { assert(BitWidth == RHS.BitWidth && "Bit widths must be the same"); - if (isSingleWord()) { + if (isSingleWord()) VAL ^= RHS.VAL; - return *this; - } - return XorAssignSlowCase(RHS); + else + XorAssignSlowCase(RHS); + return *this; } /// \brief Bitwise XOR assignment operator. @@ -836,9 +850,17 @@ public: /// /// Shifts *this left by shiftAmt and assigns the result to *this. /// - /// \returns *this after shifting left by shiftAmt - APInt &operator<<=(unsigned shiftAmt) { - *this = shl(shiftAmt); + /// \returns *this after shifting left by ShiftAmt + APInt &operator<<=(unsigned ShiftAmt) { + assert(ShiftAmt <= BitWidth && "Invalid shift amount"); + if (isSingleWord()) { + if (ShiftAmt == BitWidth) + VAL = 0; + else + VAL <<= ShiftAmt; + return clearUnusedBits(); + } + shlSlowCase(ShiftAmt); return *this; } @@ -875,20 +897,26 @@ public: return R; } - /// Logical right-shift this APInt by shiftAmt in place. - void lshrInPlace(unsigned shiftAmt); + /// Logical right-shift this APInt by ShiftAmt in place. + void lshrInPlace(unsigned ShiftAmt) { + assert(ShiftAmt <= BitWidth && "Invalid shift amount"); + if (isSingleWord()) { + if (ShiftAmt == BitWidth) + VAL = 0; + else + VAL >>= ShiftAmt; + return; + } + lshrSlowCase(ShiftAmt); + } /// \brief Left-shift function. /// /// Left-shift this APInt by shiftAmt. APInt shl(unsigned shiftAmt) const { - assert(shiftAmt <= BitWidth && "Invalid shift amount"); - if (isSingleWord()) { - if (shiftAmt >= BitWidth) - return APInt(BitWidth, 0); // avoid undefined shift results - return APInt(BitWidth, VAL << shiftAmt); - } - return shlSlowCase(shiftAmt); + APInt R(*this); + R <<= shiftAmt; + return R; } /// \brief Rotate left by rotateAmt. @@ -905,7 +933,14 @@ public: /// \brief Logical right-shift function. /// /// Logical right-shift this APInt by shiftAmt. - APInt lshr(const APInt &shiftAmt) const; + APInt lshr(const APInt &ShiftAmt) const { + APInt R(*this); + R.lshrInPlace(ShiftAmt); + return R; + } + + /// Logical right-shift this APInt by ShiftAmt in place. + void lshrInPlace(const APInt &ShiftAmt); /// \brief Left-shift function. /// @@ -1003,9 +1038,7 @@ public: /// /// \returns true if *this == Val bool operator==(uint64_t Val) const { - if (isSingleWord()) - return VAL == Val; - return EqualSlowCase(Val); + return (isSingleWord() || getActiveBits() <= 64) && getZExtValue() == Val; } /// \brief Equality comparison. @@ -1055,7 +1088,8 @@ public: /// /// \returns true if *this < RHS when considered unsigned. bool ult(uint64_t RHS) const { - return getActiveBits() > 64 ? false : getZExtValue() < RHS; + // Only need to check active bits if not a single word. + return (isSingleWord() || getActiveBits() <= 64) && getZExtValue() < RHS; } /// \brief Signed less than comparison @@ -1073,7 +1107,8 @@ public: /// /// \returns true if *this < RHS when considered signed. bool slt(int64_t RHS) const { - return getMinSignedBits() > 64 ? isNegative() : getSExtValue() < RHS; + return (!isSingleWord() && getMinSignedBits() > 64) ? isNegative() + : getSExtValue() < RHS; } /// \brief Unsigned less or equal comparison @@ -1123,7 +1158,8 @@ public: /// /// \returns true if *this > RHS when considered unsigned. bool ugt(uint64_t RHS) const { - return getActiveBits() > 64 ? true : getZExtValue() > RHS; + // Only need to check active bits if not a single word. + return (!isSingleWord() && getActiveBits() > 64) || getZExtValue() > RHS; } /// \brief Signed greather than comparison @@ -1141,7 +1177,8 @@ public: /// /// \returns true if *this > RHS when considered signed. bool sgt(int64_t RHS) const { - return getMinSignedBits() > 64 ? !isNegative() : getSExtValue() > RHS; + return (!isSingleWord() && getMinSignedBits() > 64) ? !isNegative() + : getSExtValue() > RHS; } /// \brief Unsigned greater or equal comparison @@ -1179,9 +1216,18 @@ public: /// This operation tests if there are any pairs of corresponding bits /// between this APInt and RHS that are both set. bool intersects(const APInt &RHS) const { - APInt temp(*this); - temp &= RHS; - return temp != 0; + assert(BitWidth == RHS.BitWidth && "Bit widths must be the same"); + if (isSingleWord()) + return (VAL & RHS.VAL) != 0; + return intersectsSlowCase(RHS); + } + + /// This operation checks that all bits set in this APInt are also set in RHS. + bool isSubsetOf(const APInt &RHS) const { + assert(BitWidth == RHS.BitWidth && "Bit widths must be the same"); + if (isSingleWord()) + return (VAL & ~RHS.VAL) == 0; + return isSubsetOfSlowCase(RHS); } /// @} @@ -1404,8 +1450,7 @@ public: /// int64_t. Otherwise an assertion will result. int64_t getSExtValue() const { if (isSingleWord()) - return int64_t(VAL << (APINT_BITS_PER_WORD - BitWidth)) >> - (APINT_BITS_PER_WORD - BitWidth); + return SignExtend64(VAL, BitWidth); assert(getMinSignedBits() <= 64 && "Too many bits for int64_t"); return int64_t(pVal[0]); } @@ -1759,13 +1804,13 @@ public: WordType *remainder, WordType *scratch, unsigned parts); - /// Shift a bignum left COUNT bits. Shifted in bits are zero. There are no - /// restrictions on COUNT. - static void tcShiftLeft(WordType *, unsigned parts, unsigned count); - - /// Shift a bignum right COUNT bits. Shifted in bits are zero. There are no - /// restrictions on COUNT. - static void tcShiftRight(WordType *, unsigned parts, unsigned count); + /// Shift a bignum left Count bits. Shifted in bits are zero. There are no + /// restrictions on Count. + static void tcShiftLeft(WordType *, unsigned Words, unsigned Count); + + /// Shift a bignum right Count bits. Shifted in bits are zero. There are no + /// restrictions on Count. + static void tcShiftRight(WordType *, unsigned Words, unsigned Count); /// The obvious AND, OR and XOR and complement operations. static void tcAnd(WordType *, const WordType *, unsigned); @@ -1959,7 +2004,7 @@ inline const APInt &umax(const APInt &A, /// \brief Compute GCD of two unsigned APInt values. /// /// This function returns the greatest common divisor of the two APInt values -/// using Euclid's algorithm. +/// using Stein's algorithm. /// /// \returns the greatest common divisor of A and B. APInt GreatestCommonDivisor(APInt A, APInt B); Modified: projects/clang500-import/contrib/llvm/include/llvm/ADT/BitVector.h ============================================================================== --- projects/clang500-import/contrib/llvm/include/llvm/ADT/BitVector.h Thu Apr 20 21:21:35 2017 (r317229) +++ projects/clang500-import/contrib/llvm/include/llvm/ADT/BitVector.h Thu Apr 20 21:48:54 2017 (r317230) @@ -14,6 +14,8 @@ #ifndef LLVM_ADT_BITVECTOR_H #define LLVM_ADT_BITVECTOR_H +#include "llvm/ADT/ArrayRef.h" +#include "llvm/ADT/STLExtras.h" #include "llvm/Support/MathExtras.h" #include <algorithm> #include <cassert> @@ -455,6 +457,105 @@ public: return *this; } + BitVector &operator>>=(unsigned N) { + assert(N <= Size); + if (LLVM_UNLIKELY(empty() || N == 0)) + return *this; + + unsigned NumWords = NumBitWords(Size); + assert(NumWords >= 1); + + wordShr(N / BITWORD_SIZE); + + unsigned BitDistance = N % BITWORD_SIZE; + if (BitDistance == 0) + return *this; + + // When the shift size is not a multiple of the word size, then we have + // a tricky situation where each word in succession needs to extract some + // of the bits from the next word and or them into this word while + // shifting this word to make room for the new bits. This has to be done + // for every word in the array. + + // Since we're shifting each word right, some bits will fall off the end + // of each word to the right, and empty space will be created on the left. + // The final word in the array will lose bits permanently, so starting at + // the beginning, work forwards shifting each word to the right, and + // OR'ing in the bits from the end of the next word to the beginning of + // the current word. + + // Example: + // Starting with {0xAABBCCDD, 0xEEFF0011, 0x22334455} and shifting right + // by 4 bits. + // Step 1: Word[0] >>= 4 ; 0x0ABBCCDD + // Step 2: Word[0] |= 0x10000000 ; 0x1ABBCCDD + // Step 3: Word[1] >>= 4 ; 0x0EEFF001 + // Step 4: Word[1] |= 0x50000000 ; 0x5EEFF001 + // Step 5: Word[2] >>= 4 ; 0x02334455 + // Result: { 0x1ABBCCDD, 0x5EEFF001, 0x02334455 } + const BitWord Mask = maskTrailingOnes<BitWord>(BitDistance); + const unsigned LSH = BITWORD_SIZE - BitDistance; + + for (unsigned I = 0; I < NumWords - 1; ++I) { + Bits[I] >>= BitDistance; + Bits[I] |= (Bits[I + 1] & Mask) << LSH; + } + + Bits[NumWords - 1] >>= BitDistance; + + return *this; + } + + BitVector &operator<<=(unsigned N) { + assert(N <= Size); + if (LLVM_UNLIKELY(empty() || N == 0)) + return *this; + + unsigned NumWords = NumBitWords(Size); + assert(NumWords >= 1); + + wordShl(N / BITWORD_SIZE); + + unsigned BitDistance = N % BITWORD_SIZE; + if (BitDistance == 0) + return *this; + + // When the shift size is not a multiple of the word size, then we have + // a tricky situation where each word in succession needs to extract some + // of the bits from the previous word and or them into this word while + // shifting this word to make room for the new bits. This has to be done + // for every word in the array. This is similar to the algorithm outlined + // in operator>>=, but backwards. + + // Since we're shifting each word left, some bits will fall off the end + // of each word to the left, and empty space will be created on the right. + // The first word in the array will lose bits permanently, so starting at + // the end, work backwards shifting each word to the left, and OR'ing + // in the bits from the end of the next word to the beginning of the + // current word. + + // Example: + // Starting with {0xAABBCCDD, 0xEEFF0011, 0x22334455} and shifting left + // by 4 bits. + // Step 1: Word[2] <<= 4 ; 0x23344550 + // Step 2: Word[2] |= 0x0000000E ; 0x2334455E + // Step 3: Word[1] <<= 4 ; 0xEFF00110 + // Step 4: Word[1] |= 0x0000000A ; 0xEFF0011A + // Step 5: Word[0] <<= 4 ; 0xABBCCDD0 + // Result: { 0xABBCCDD0, 0xEFF0011A, 0x2334455E } + const BitWord Mask = maskLeadingOnes<BitWord>(BitDistance); + const unsigned RSH = BITWORD_SIZE - BitDistance; + + for (int I = NumWords - 1; I > 0; --I) { + Bits[I] <<= BitDistance; + Bits[I] |= (Bits[I - 1] & Mask) >> RSH; + } + Bits[0] <<= BitDistance; + clear_unused_bits(); + + return *this; + } + // Assignment operator. const BitVector &operator=(const BitVector &RHS) { if (this == &RHS) return *this; @@ -538,6 +639,54 @@ public: } private: + /// \brief Perform a logical left shift of \p Count words by moving everything + /// \p Count words to the right in memory. + /// + /// While confusing, words are stored from least significant at Bits[0] to + /// most significant at Bits[NumWords-1]. A logical shift left, however, + /// moves the current least significant bit to a higher logical index, and + /// fills the previous least significant bits with 0. Thus, we actually + /// need to move the bytes of the memory to the right, not to the left. + /// Example: + /// Words = [0xBBBBAAAA, 0xDDDDFFFF, 0x00000000, 0xDDDD0000] + /// represents a BitVector where 0xBBBBAAAA contain the least significant + /// bits. So if we want to shift the BitVector left by 2 words, we need to + /// turn this into 0x00000000 0x00000000 0xBBBBAAAA 0xDDDDFFFF by using a + /// memmove which moves right, not left. + void wordShl(uint32_t Count) { + if (Count == 0) + return; + + uint32_t NumWords = NumBitWords(Size); + + auto Src = ArrayRef<BitWord>(Bits, NumWords).drop_back(Count); + auto Dest = MutableArrayRef<BitWord>(Bits, NumWords).drop_front(Count); + + // Since we always move Word-sized chunks of data with src and dest both + // aligned to a word-boundary, we don't need to worry about endianness + // here. + std::memmove(Dest.begin(), Src.begin(), Dest.size() * sizeof(BitWord)); + std::memset(Bits, 0, Count * sizeof(BitWord)); + clear_unused_bits(); + } + + /// \brief Perform a logical right shift of \p Count words by moving those + /// words to the left in memory. See wordShl for more information. + /// + void wordShr(uint32_t Count) { + if (Count == 0) + return; + + uint32_t NumWords = NumBitWords(Size); + + auto Src = ArrayRef<BitWord>(Bits, NumWords).drop_front(Count); + auto Dest = MutableArrayRef<BitWord>(Bits, NumWords).drop_back(Count); + assert(Dest.size() == Src.size()); + + std::memmove(Dest.begin(), Src.begin(), Dest.size() * sizeof(BitWord)); + std::memset(Dest.end(), 0, Count * sizeof(BitWord)); + } + int next_unset_in_word(int WordIndex, BitWord Word) const { unsigned Result = WordIndex * BITWORD_SIZE + countTrailingOnes(Word); return Result < size() ? Result : -1; Modified: projects/clang500-import/contrib/llvm/include/llvm/ADT/SmallBitVector.h ============================================================================== --- projects/clang500-import/contrib/llvm/include/llvm/ADT/SmallBitVector.h Thu Apr 20 21:21:35 2017 (r317229) +++ projects/clang500-import/contrib/llvm/include/llvm/ADT/SmallBitVector.h Thu Apr 20 21:48:54 2017 (r317230) @@ -508,6 +508,22 @@ public: return *this; } + SmallBitVector &operator<<=(unsigned N) { + if (isSmall()) + setSmallBits(getSmallBits() << N); + else + getPointer()->operator<<=(N); + return *this; + } + + SmallBitVector &operator>>=(unsigned N) { + if (isSmall()) + setSmallBits(getSmallBits() >> N); + else + getPointer()->operator>>=(N); + return *this; + } + // Assignment operator. const SmallBitVector &operator=(const SmallBitVector &RHS) { if (isSmall()) { Modified: projects/clang500-import/contrib/llvm/include/llvm/Analysis/BlockFrequencyInfoImpl.h ============================================================================== --- projects/clang500-import/contrib/llvm/include/llvm/Analysis/BlockFrequencyInfoImpl.h Thu Apr 20 21:21:35 2017 (r317229) +++ projects/clang500-import/contrib/llvm/include/llvm/Analysis/BlockFrequencyInfoImpl.h Thu Apr 20 21:48:54 2017 (r317230) @@ -1164,9 +1164,8 @@ template <class BT> struct BlockEdgesAdd void operator()(IrreducibleGraph &G, IrreducibleGraph::IrrNode &Irr, const LoopData *OuterLoop) { const BlockT *BB = BFI.RPOT[Irr.Node.Index]; - for (auto I = Successor::child_begin(BB), E = Successor::child_end(BB); - I != E; ++I) - G.addEdge(Irr, BFI.getNode(*I), OuterLoop); + for (const auto Succ : children<const BlockT *>(BB)) + G.addEdge(Irr, BFI.getNode(Succ), OuterLoop); } }; } @@ -1210,10 +1209,9 @@ BlockFrequencyInfoImpl<BT>::propagateMas return false; } else { const BlockT *BB = getBlock(Node); - for (auto SI = Successor::child_begin(BB), SE = Successor::child_end(BB); - SI != SE; ++SI) - if (!addToDist(Dist, OuterLoop, Node, getNode(*SI), - getWeightFromBranchProb(BPI->getEdgeProbability(BB, SI)))) + for (const auto Succ : children<const BlockT *>(BB)) + if (!addToDist(Dist, OuterLoop, Node, getNode(Succ), + getWeightFromBranchProb(BPI->getEdgeProbability(BB, Succ)))) // Irreducible backedge. return false; } Modified: projects/clang500-import/contrib/llvm/include/llvm/Analysis/DominanceFrontierImpl.h ============================================================================== --- projects/clang500-import/contrib/llvm/include/llvm/Analysis/DominanceFrontierImpl.h Thu Apr 20 21:21:35 2017 (r317229) +++ projects/clang500-import/contrib/llvm/include/llvm/Analysis/DominanceFrontierImpl.h Thu Apr 20 21:48:54 2017 (r317230) @@ -174,12 +174,10 @@ ForwardDominanceFrontierBase<BlockT>::ca // Visit each block only once. if (visited.insert(currentBB).second) { // Loop over CFG successors to calculate DFlocal[currentNode] - for (auto SI = BlockTraits::child_begin(currentBB), - SE = BlockTraits::child_end(currentBB); - SI != SE; ++SI) { + for (const auto Succ : children<BlockT *>(currentBB)) { // Does Node immediately dominate this successor? - if (DT[*SI]->getIDom() != currentNode) - S.insert(*SI); + if (DT[Succ]->getIDom() != currentNode) + S.insert(Succ); } } Modified: projects/clang500-import/contrib/llvm/include/llvm/Analysis/LoopInfo.h ============================================================================== --- projects/clang500-import/contrib/llvm/include/llvm/Analysis/LoopInfo.h Thu Apr 20 21:21:35 2017 (r317229) +++ projects/clang500-import/contrib/llvm/include/llvm/Analysis/LoopInfo.h Thu Apr 20 21:48:54 2017 (r317230) @@ -158,11 +158,8 @@ public: /// True if terminator in the block can branch to another block that is /// outside of the current loop. bool isLoopExiting(const BlockT *BB) const { - typedef GraphTraits<const BlockT*> BlockTraits; - for (typename BlockTraits::ChildIteratorType SI = - BlockTraits::child_begin(BB), - SE = BlockTraits::child_end(BB); SI != SE; ++SI) { - if (!contains(*SI)) + for (const auto Succ : children<const BlockT*>(BB)) { + if (!contains(Succ)) return true; } return false; @@ -186,11 +183,8 @@ public: unsigned NumBackEdges = 0; BlockT *H = getHeader(); - typedef GraphTraits<Inverse<BlockT*> > InvBlockTraits; - for (typename InvBlockTraits::ChildIteratorType I = - InvBlockTraits::child_begin(H), - E = InvBlockTraits::child_end(H); I != E; ++I) - if (contains(*I)) + for (const auto Pred : children<Inverse<BlockT*> >(H)) + if (contains(Pred)) ++NumBackEdges; return NumBackEdges; @@ -249,12 +243,9 @@ public: /// contains a branch back to the header. void getLoopLatches(SmallVectorImpl<BlockT *> &LoopLatches) const { BlockT *H = getHeader(); - typedef GraphTraits<Inverse<BlockT*> > InvBlockTraits; - for (typename InvBlockTraits::ChildIteratorType I = - InvBlockTraits::child_begin(H), - E = InvBlockTraits::child_end(H); I != E; ++I) - if (contains(*I)) - LoopLatches.push_back(*I); + for (const auto Pred : children<Inverse<BlockT*>>(H)) + if (contains(Pred)) + LoopLatches.push_back(Pred); } //===--------------------------------------------------------------------===// Modified: projects/clang500-import/contrib/llvm/include/llvm/Analysis/LoopInfoImpl.h ============================================================================== --- projects/clang500-import/contrib/llvm/include/llvm/Analysis/LoopInfoImpl.h Thu Apr 20 21:21:35 2017 (r317229) +++ projects/clang500-import/contrib/llvm/include/llvm/Analysis/LoopInfoImpl.h Thu Apr 20 21:48:54 2017 (r317230) @@ -34,14 +34,11 @@ namespace llvm { template<class BlockT, class LoopT> void LoopBase<BlockT, LoopT>:: getExitingBlocks(SmallVectorImpl<BlockT *> &ExitingBlocks) const { - typedef GraphTraits<BlockT*> BlockTraits; - for (block_iterator BI = block_begin(), BE = block_end(); BI != BE; ++BI) - for (typename BlockTraits::ChildIteratorType I = - BlockTraits::child_begin(*BI), E = BlockTraits::child_end(*BI); - I != E; ++I) - if (!contains(*I)) { + for (const auto BB : blocks()) + for (const auto Succ : children<BlockT*>(BB)) + if (!contains(Succ)) { // Not in current loop? It must be an exit block. - ExitingBlocks.push_back(*BI); + ExitingBlocks.push_back(BB); break; } } @@ -63,14 +60,11 @@ BlockT *LoopBase<BlockT, LoopT>::getExit template<class BlockT, class LoopT> void LoopBase<BlockT, LoopT>:: getExitBlocks(SmallVectorImpl<BlockT*> &ExitBlocks) const { - typedef GraphTraits<BlockT*> BlockTraits; - for (block_iterator BI = block_begin(), BE = block_end(); BI != BE; ++BI) - for (typename BlockTraits::ChildIteratorType I = - BlockTraits::child_begin(*BI), E = BlockTraits::child_end(*BI); - I != E; ++I) - if (!contains(*I)) + for (const auto BB : blocks()) + for (const auto Succ : children<BlockT*>(BB)) + if (!contains(Succ)) // Not in current loop? It must be an exit block. - ExitBlocks.push_back(*I); + ExitBlocks.push_back(Succ); } /// getExitBlock - If getExitBlocks would return exactly one block, @@ -88,14 +82,11 @@ BlockT *LoopBase<BlockT, LoopT>::getExit template<class BlockT, class LoopT> void LoopBase<BlockT, LoopT>:: getExitEdges(SmallVectorImpl<Edge> &ExitEdges) const { - typedef GraphTraits<BlockT*> BlockTraits; - for (block_iterator BI = block_begin(), BE = block_end(); BI != BE; ++BI) - for (typename BlockTraits::ChildIteratorType I = - BlockTraits::child_begin(*BI), E = BlockTraits::child_end(*BI); - I != E; ++I) - if (!contains(*I)) + for (const auto BB : blocks()) + for (const auto Succ : children<BlockT*>(BB)) + if (!contains(Succ)) // Not in current loop? It must be an exit block. - ExitEdges.push_back(Edge(*BI, *I)); + ExitEdges.emplace_back(BB, Succ); } /// getLoopPreheader - If there is a preheader for this loop, return it. A @@ -134,15 +125,11 @@ BlockT *LoopBase<BlockT, LoopT>::getLoop // Loop over the predecessors of the header node... BlockT *Header = getHeader(); - typedef GraphTraits<Inverse<BlockT*> > InvBlockTraits; - for (typename InvBlockTraits::ChildIteratorType PI = - InvBlockTraits::child_begin(Header), - PE = InvBlockTraits::child_end(Header); PI != PE; ++PI) { - typename InvBlockTraits::NodeRef N = *PI; - if (!contains(N)) { // If the block is not in the loop... - if (Out && Out != N) + for (const auto Pred : children<Inverse<BlockT*>>(Header)) { + if (!contains(Pred)) { // If the block is not in the loop... + if (Out && Out != Pred) return nullptr; // Multiple predecessors outside the loop - Out = N; + Out = Pred; } } @@ -156,17 +143,11 @@ BlockT *LoopBase<BlockT, LoopT>::getLoop template<class BlockT, class LoopT> BlockT *LoopBase<BlockT, LoopT>::getLoopLatch() const { BlockT *Header = getHeader(); - typedef GraphTraits<Inverse<BlockT*> > InvBlockTraits; - typename InvBlockTraits::ChildIteratorType PI = - InvBlockTraits::child_begin(Header); - typename InvBlockTraits::ChildIteratorType PE = - InvBlockTraits::child_end(Header); BlockT *Latch = nullptr; - for (; PI != PE; ++PI) { - typename InvBlockTraits::NodeRef N = *PI; - if (contains(N)) { + for (const auto Pred : children<Inverse<BlockT*>>(Header)) { + if (contains(Pred)) { if (Latch) return nullptr; - Latch = N; + Latch = Pred; } } @@ -394,11 +375,9 @@ static void discoverAndMapSubloop(LoopT // within this subloop tree itself. Note that a predecessor may directly // reach another subloop that is not yet discovered to be a subloop of // this loop, which we must traverse. - for (typename InvBlockTraits::ChildIteratorType PI = - InvBlockTraits::child_begin(PredBB), - PE = InvBlockTraits::child_end(PredBB); PI != PE; ++PI) { - if (LI->getLoopFor(*PI) != Subloop) - ReverseCFGWorklist.push_back(*PI); + for (const auto Pred : children<Inverse<BlockT*>>(PredBB)) { + if (LI->getLoopFor(Pred) != Subloop) + ReverseCFGWorklist.push_back(Pred); } } } @@ -482,13 +461,7 @@ analyze(const DominatorTreeBase<BlockT> SmallVector<BlockT *, 4> Backedges; // Check each predecessor of the potential loop header. - typedef GraphTraits<Inverse<BlockT*> > InvBlockTraits; - for (typename InvBlockTraits::ChildIteratorType PI = - InvBlockTraits::child_begin(Header), - PE = InvBlockTraits::child_end(Header); PI != PE; ++PI) { - - BlockT *Backedge = *PI; - + for (const auto Backedge : children<Inverse<BlockT*>>(Header)) { // If Header dominates predBB, this is a new loop. Collect the backedges. if (DomTree.dominates(Header, Backedge) && DomTree.isReachableFromEntry(Backedge)) { Modified: projects/clang500-import/contrib/llvm/include/llvm/Analysis/MemoryBuiltins.h ============================================================================== --- projects/clang500-import/contrib/llvm/include/llvm/Analysis/MemoryBuiltins.h Thu Apr 20 21:21:35 2017 (r317229) +++ projects/clang500-import/contrib/llvm/include/llvm/Analysis/MemoryBuiltins.h Thu Apr 20 21:48:54 2017 (r317230) @@ -54,6 +54,11 @@ bool isCallocLikeFn(const Value *V, cons bool LookThroughBitCast = false); /// \brief Tests if a value is a call or invoke to a library function that +/// allocates memory similar to malloc or calloc. +bool isMallocOrCallocLikeFn(const Value *V, const TargetLibraryInfo *TLI, + bool LookThroughBitCast = false); + +/// \brief Tests if a value is a call or invoke to a library function that /// allocates memory (either malloc, calloc, or strdup like). bool isAllocLikeFn(const Value *V, const TargetLibraryInfo *TLI, bool LookThroughBitCast = false); Modified: projects/clang500-import/contrib/llvm/include/llvm/Analysis/ScalarEvolution.h ============================================================================== --- projects/clang500-import/contrib/llvm/include/llvm/Analysis/ScalarEvolution.h Thu Apr 20 21:21:35 2017 (r317229) +++ projects/clang500-import/contrib/llvm/include/llvm/Analysis/ScalarEvolution.h Thu Apr 20 21:48:54 2017 (r317230) @@ -1159,8 +1159,20 @@ public: const SCEV *getConstant(const APInt &Val); const SCEV *getConstant(Type *Ty, uint64_t V, bool isSigned = false); const SCEV *getTruncateExpr(const SCEV *Op, Type *Ty); + + typedef SmallDenseMap<std::pair<const SCEV *, Type *>, const SCEV *, 8> + ExtendCacheTy; const SCEV *getZeroExtendExpr(const SCEV *Op, Type *Ty); + const SCEV *getZeroExtendExprCached(const SCEV *Op, Type *Ty, + ExtendCacheTy &Cache); + const SCEV *getZeroExtendExprImpl(const SCEV *Op, Type *Ty, + ExtendCacheTy &Cache); + const SCEV *getSignExtendExpr(const SCEV *Op, Type *Ty); + const SCEV *getSignExtendExprCached(const SCEV *Op, Type *Ty, + ExtendCacheTy &Cache); + const SCEV *getSignExtendExprImpl(const SCEV *Op, Type *Ty, + ExtendCacheTy &Cache); const SCEV *getAnyExtendExpr(const SCEV *Op, Type *Ty); const SCEV *getAddExpr(SmallVectorImpl<const SCEV *> &Ops, SCEV::NoWrapFlags Flags = SCEV::FlagAnyWrap, Modified: projects/clang500-import/contrib/llvm/include/llvm/Bitcode/BitcodeReader.h ============================================================================== --- projects/clang500-import/contrib/llvm/include/llvm/Bitcode/BitcodeReader.h Thu Apr 20 21:21:35 2017 (r317229) +++ projects/clang500-import/contrib/llvm/include/llvm/Bitcode/BitcodeReader.h Thu Apr 20 21:48:54 2017 (r317230) @@ -46,6 +46,9 @@ namespace llvm { ArrayRef<uint8_t> Buffer; StringRef ModuleIdentifier; + // The string table used to interpret this module. + StringRef Strtab; + // The bitstream location of the IDENTIFICATION_BLOCK. uint64_t IdentificationBit; @@ -70,6 +73,7 @@ namespace llvm { StringRef getBuffer() const { return StringRef((const char *)Buffer.begin(), Buffer.size()); } + StringRef getStrtab() const { return Strtab; } StringRef getModuleIdentifier() const { return ModuleIdentifier; } Modified: projects/clang500-import/contrib/llvm/include/llvm/Bitcode/BitcodeWriter.h ============================================================================== --- projects/clang500-import/contrib/llvm/include/llvm/Bitcode/BitcodeWriter.h Thu Apr 20 21:21:35 2017 (r317229) +++ projects/clang500-import/contrib/llvm/include/llvm/Bitcode/BitcodeWriter.h Thu Apr 20 21:48:54 2017 (r317230) @@ -15,6 +15,7 @@ #define LLVM_BITCODE_BITCODEWRITER_H #include "llvm/IR/ModuleSummaryIndex.h" +#include "llvm/MC/StringTableBuilder.h" #include <string> namespace llvm { @@ -26,12 +27,25 @@ namespace llvm { SmallVectorImpl<char> &Buffer; std::unique_ptr<BitstreamWriter> Stream; + StringTableBuilder StrtabBuilder{StringTableBuilder::RAW}; + bool WroteStrtab = false; + + void writeBlob(unsigned Block, unsigned Record, StringRef Blob); + public: /// Create a BitcodeWriter that writes to Buffer. BitcodeWriter(SmallVectorImpl<char> &Buffer); ~BitcodeWriter(); + /// Write the bitcode file's string table. This must be called exactly once + /// after all modules have been written. + void writeStrtab(); + + /// Copy the string table for another module into this bitcode file. This + /// should be called after copying the module itself into the bitcode file. + void copyStrtab(StringRef Strtab); + /// Write the specified module to the buffer specified at construction time. /// /// If \c ShouldPreserveUseListOrder, encode the use-list order for each \a Modified: projects/clang500-import/contrib/llvm/include/llvm/Bitcode/LLVMBitCodes.h ============================================================================== --- projects/clang500-import/contrib/llvm/include/llvm/Bitcode/LLVMBitCodes.h Thu Apr 20 21:21:35 2017 (r317229) +++ projects/clang500-import/contrib/llvm/include/llvm/Bitcode/LLVMBitCodes.h Thu Apr 20 21:48:54 2017 (r317230) @@ -22,7 +22,7 @@ namespace llvm { namespace bitc { -// The only top-level block type defined is for a module. +// The only top-level block types are MODULE, IDENTIFICATION and STRTAB. enum BlockIDs { // Blocks MODULE_BLOCK_ID = FIRST_APPLICATION_BLOCKID, @@ -52,7 +52,9 @@ enum BlockIDs { OPERAND_BUNDLE_TAGS_BLOCK_ID, - METADATA_KIND_BLOCK_ID + METADATA_KIND_BLOCK_ID, + + STRTAB_BLOCK_ID, }; *** DIFF OUTPUT TRUNCATED AT 1000 LINES ***
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