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c++ source #1
Output
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Intel asm syntax
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Filters
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Debug intrinsics
Compiler
6502-c++ 11.1.0
ARM GCC 10.2.0
ARM GCC 10.3.0
ARM GCC 10.4.0
ARM GCC 10.5.0
ARM GCC 11.1.0
ARM GCC 11.2.0
ARM GCC 11.3.0
ARM GCC 11.4.0
ARM GCC 12.1.0
ARM GCC 12.2.0
ARM GCC 12.3.0
ARM GCC 12.4.0
ARM GCC 13.1.0
ARM GCC 13.2.0
ARM GCC 13.2.0 (unknown-eabi)
ARM GCC 13.3.0
ARM GCC 14.1.0
ARM GCC 4.5.4
ARM GCC 4.6.4
ARM GCC 5.4
ARM GCC 6.3.0
ARM GCC 6.4.0
ARM GCC 7.3.0
ARM GCC 7.5.0
ARM GCC 8.2.0
ARM GCC 8.5.0
ARM GCC 9.3.0
ARM GCC 9.4.0
ARM GCC 9.5.0
ARM GCC trunk
ARM gcc 10.2.1 (none)
ARM gcc 10.3.1 (2021.07 none)
ARM gcc 10.3.1 (2021.10 none)
ARM gcc 11.2.1 (none)
ARM gcc 5.4.1 (none)
ARM gcc 7.2.1 (none)
ARM gcc 8.2 (WinCE)
ARM gcc 8.3.1 (none)
ARM gcc 9.2.1 (none)
ARM msvc v19.0 (WINE)
ARM msvc v19.10 (WINE)
ARM msvc v19.14 (WINE)
ARM64 Morello gcc 10.1 Alpha 2
ARM64 gcc 10.2
ARM64 gcc 10.3
ARM64 gcc 10.4
ARM64 gcc 10.5.0
ARM64 gcc 11.1
ARM64 gcc 11.2
ARM64 gcc 11.3
ARM64 gcc 11.4.0
ARM64 gcc 12.1
ARM64 gcc 12.2.0
ARM64 gcc 12.3.0
ARM64 gcc 12.4.0
ARM64 gcc 13.1.0
ARM64 gcc 13.2.0
ARM64 gcc 13.3.0
ARM64 gcc 14.1.0
ARM64 gcc 4.9.4
ARM64 gcc 5.4
ARM64 gcc 5.5.0
ARM64 gcc 6.3
ARM64 gcc 6.4
ARM64 gcc 7.3
ARM64 gcc 7.5
ARM64 gcc 8.2
ARM64 gcc 8.5
ARM64 gcc 9.3
ARM64 gcc 9.4
ARM64 gcc 9.5
ARM64 gcc trunk
ARM64 msvc v19.14 (WINE)
AVR gcc 10.3.0
AVR gcc 11.1.0
AVR gcc 12.1.0
AVR gcc 12.2.0
AVR gcc 12.3.0
AVR gcc 12.4.0
AVR gcc 13.1.0
AVR gcc 13.2.0
AVR gcc 13.3.0
AVR gcc 14.1.0
AVR gcc 4.5.4
AVR gcc 4.6.4
AVR gcc 5.4.0
AVR gcc 9.2.0
AVR gcc 9.3.0
Arduino Mega (1.8.9)
Arduino Uno (1.8.9)
BPF clang (trunk)
BPF clang 13.0.0
BPF clang 14.0.0
BPF clang 15.0.0
BPF clang 16.0.0
BPF clang 17.0.1
BPF clang 18.1.0
BPF gcc 13.1.0
BPF gcc 13.2.0
BPF gcc 13.3.0
BPF gcc trunk
EDG (experimental reflection)
EDG 6.5
EDG 6.5 (GNU mode gcc 13)
EDG 6.6
EDG 6.6 (GNU mode gcc 13)
FRC 2019
FRC 2020
FRC 2023
KVX ACB 4.1.0 (GCC 7.5.0)
KVX ACB 4.1.0-cd1 (GCC 7.5.0)
KVX ACB 4.10.0 (GCC 10.3.1)
KVX ACB 4.11.1 (GCC 10.3.1)
KVX ACB 4.12.0 (GCC 11.3.0)
KVX ACB 4.2.0 (GCC 7.5.0)
KVX ACB 4.3.0 (GCC 7.5.0)
KVX ACB 4.4.0 (GCC 7.5.0)
KVX ACB 4.6.0 (GCC 9.4.1)
KVX ACB 4.8.0 (GCC 9.4.1)
KVX ACB 4.9.0 (GCC 9.4.1)
KVX ACB 5.0.0 (GCC 12.2.1)
M68K gcc 13.1.0
M68K gcc 13.2.0
M68K gcc 13.3.0
M68K gcc 14.1.0
M68k clang (trunk)
MRISC32 gcc (trunk)
MSP430 gcc 4.5.3
MSP430 gcc 5.3.0
MSP430 gcc 6.2.1
MinGW clang 14.0.3
MinGW clang 14.0.6
MinGW clang 15.0.7
MinGW clang 16.0.0
MinGW clang 16.0.2
MinGW gcc 11.3.0
MinGW gcc 12.1.0
MinGW gcc 12.2.0
MinGW gcc 13.1.0
RISC-V (32-bits) gcc (trunk)
RISC-V (32-bits) gcc 10.2.0
RISC-V (32-bits) gcc 10.3.0
RISC-V (32-bits) gcc 11.2.0
RISC-V (32-bits) gcc 11.3.0
RISC-V (32-bits) gcc 11.4.0
RISC-V (32-bits) gcc 12.1.0
RISC-V (32-bits) gcc 12.2.0
RISC-V (32-bits) gcc 12.3.0
RISC-V (32-bits) gcc 12.4.0
RISC-V (32-bits) gcc 13.1.0
RISC-V (32-bits) gcc 13.2.0
RISC-V (32-bits) gcc 13.3.0
RISC-V (32-bits) gcc 14.1.0
RISC-V (32-bits) gcc 8.2.0
RISC-V (32-bits) gcc 8.5.0
RISC-V (32-bits) gcc 9.4.0
RISC-V (64-bits) gcc (trunk)
RISC-V (64-bits) gcc 10.2.0
RISC-V (64-bits) gcc 10.3.0
RISC-V (64-bits) gcc 11.2.0
RISC-V (64-bits) gcc 11.3.0
RISC-V (64-bits) gcc 11.4.0
RISC-V (64-bits) gcc 12.1.0
RISC-V (64-bits) gcc 12.2.0
RISC-V (64-bits) gcc 12.3.0
RISC-V (64-bits) gcc 12.4.0
RISC-V (64-bits) gcc 13.1.0
RISC-V (64-bits) gcc 13.2.0
RISC-V (64-bits) gcc 13.3.0
RISC-V (64-bits) gcc 14.1.0
RISC-V (64-bits) gcc 8.2.0
RISC-V (64-bits) gcc 8.5.0
RISC-V (64-bits) gcc 9.4.0
RISC-V rv32gc clang (trunk)
RISC-V rv32gc clang 10.0.0
RISC-V rv32gc clang 10.0.1
RISC-V rv32gc clang 11.0.0
RISC-V rv32gc clang 11.0.1
RISC-V rv32gc clang 12.0.0
RISC-V rv32gc clang 12.0.1
RISC-V rv32gc clang 13.0.0
RISC-V rv32gc clang 13.0.1
RISC-V rv32gc clang 14.0.0
RISC-V rv32gc clang 15.0.0
RISC-V rv32gc clang 16.0.0
RISC-V rv32gc clang 17.0.1
RISC-V rv32gc clang 18.1.0
RISC-V rv32gc clang 9.0.0
RISC-V rv32gc clang 9.0.1
RISC-V rv64gc clang (trunk)
RISC-V rv64gc clang 10.0.0
RISC-V rv64gc clang 10.0.1
RISC-V rv64gc clang 11.0.0
RISC-V rv64gc clang 11.0.1
RISC-V rv64gc clang 12.0.0
RISC-V rv64gc clang 12.0.1
RISC-V rv64gc clang 13.0.0
RISC-V rv64gc clang 13.0.1
RISC-V rv64gc clang 14.0.0
RISC-V rv64gc clang 15.0.0
RISC-V rv64gc clang 16.0.0
RISC-V rv64gc clang 17.0.1
RISC-V rv64gc clang 18.1.0
RISC-V rv64gc clang 9.0.0
RISC-V rv64gc clang 9.0.1
Raspbian Buster
Raspbian Stretch
SPARC LEON gcc 12.2.0
SPARC LEON gcc 12.3.0
SPARC LEON gcc 12.4.0
SPARC LEON gcc 13.1.0
SPARC LEON gcc 13.2.0
SPARC LEON gcc 13.3.0
SPARC LEON gcc 14.1.0
SPARC gcc 12.2.0
SPARC gcc 12.3.0
SPARC gcc 12.4.0
SPARC gcc 13.1.0
SPARC gcc 13.2.0
SPARC gcc 13.3.0
SPARC gcc 14.1.0
SPARC64 gcc 12.2.0
SPARC64 gcc 12.3.0
SPARC64 gcc 12.4.0
SPARC64 gcc 13.1.0
SPARC64 gcc 13.2.0
SPARC64 gcc 13.3.0
SPARC64 gcc 14.1.0
TI C6x gcc 12.2.0
TI C6x gcc 12.3.0
TI C6x gcc 12.4.0
TI C6x gcc 13.1.0
TI C6x gcc 13.2.0
TI C6x gcc 13.3.0
TI C6x gcc 14.1.0
TI CL430 21.6.1
VAX gcc NetBSDELF 10.4.0
VAX gcc NetBSDELF 10.5.0 (Nov 15 03:50:22 2023)
WebAssembly clang (trunk)
Xtensa ESP32 gcc 11.2.0 (2022r1)
Xtensa ESP32 gcc 12.2.0 (20230208)
Xtensa ESP32 gcc 8.2.0 (2019r2)
Xtensa ESP32 gcc 8.2.0 (2020r1)
Xtensa ESP32 gcc 8.2.0 (2020r2)
Xtensa ESP32 gcc 8.4.0 (2020r3)
Xtensa ESP32 gcc 8.4.0 (2021r1)
Xtensa ESP32 gcc 8.4.0 (2021r2)
Xtensa ESP32-S2 gcc 11.2.0 (2022r1)
Xtensa ESP32-S2 gcc 12.2.0 (20230208)
Xtensa ESP32-S2 gcc 8.2.0 (2019r2)
Xtensa ESP32-S2 gcc 8.2.0 (2020r1)
Xtensa ESP32-S2 gcc 8.2.0 (2020r2)
Xtensa ESP32-S2 gcc 8.4.0 (2020r3)
Xtensa ESP32-S2 gcc 8.4.0 (2021r1)
Xtensa ESP32-S2 gcc 8.4.0 (2021r2)
Xtensa ESP32-S3 gcc 11.2.0 (2022r1)
Xtensa ESP32-S3 gcc 12.2.0 (20230208)
Xtensa ESP32-S3 gcc 8.4.0 (2020r3)
Xtensa ESP32-S3 gcc 8.4.0 (2021r1)
Xtensa ESP32-S3 gcc 8.4.0 (2021r2)
arm64 msvc v19.20 VS16.0
arm64 msvc v19.21 VS16.1
arm64 msvc v19.22 VS16.2
arm64 msvc v19.23 VS16.3
arm64 msvc v19.24 VS16.4
arm64 msvc v19.25 VS16.5
arm64 msvc v19.27 VS16.7
arm64 msvc v19.28 VS16.8
arm64 msvc v19.28 VS16.9
arm64 msvc v19.29 VS16.10
arm64 msvc v19.29 VS16.11
arm64 msvc v19.30 VS17.0
arm64 msvc v19.31 VS17.1
arm64 msvc v19.32 VS17.2
arm64 msvc v19.33 VS17.3
arm64 msvc v19.34 VS17.4
arm64 msvc v19.35 VS17.5
arm64 msvc v19.36 VS17.6
arm64 msvc v19.37 VS17.7
arm64 msvc v19.38 VS17.8
armv7-a clang (trunk)
armv7-a clang 10.0.0
armv7-a clang 10.0.1
armv7-a clang 11.0.0
armv7-a clang 11.0.1
armv7-a clang 12.0.0
armv7-a clang 12.0.1
armv7-a clang 13.0.0
armv7-a clang 13.0.1
armv7-a clang 14.0.0
armv7-a clang 15.0.0
armv7-a clang 16.0.0
armv7-a clang 17.0.1
armv7-a clang 18.1.0
armv7-a clang 9.0.0
armv7-a clang 9.0.1
armv8-a clang (all architectural features, trunk)
armv8-a clang (trunk)
armv8-a clang 10.0.0
armv8-a clang 10.0.1
armv8-a clang 11.0.0
armv8-a clang 11.0.1
armv8-a clang 12.0.0
armv8-a clang 13.0.0
armv8-a clang 14.0.0
armv8-a clang 15.0.0
armv8-a clang 16.0.0
armv8-a clang 17.0.1
armv8-a clang 18.1.0
armv8-a clang 9.0.0
armv8-a clang 9.0.1
ellcc 0.1.33
ellcc 0.1.34
ellcc 2017-07-16
hexagon-clang 16.0.5
llvm-mos atari2600-3e
llvm-mos atari2600-4k
llvm-mos atari2600-common
llvm-mos atari5200-supercart
llvm-mos atari8-cart-megacart
llvm-mos atari8-cart-std
llvm-mos atari8-cart-xegs
llvm-mos atari8-common
llvm-mos atari8-dos
llvm-mos c128
llvm-mos c64
llvm-mos commodore
llvm-mos cpm65
llvm-mos cx16
llvm-mos dodo
llvm-mos eater
llvm-mos mega65
llvm-mos nes
llvm-mos nes-action53
llvm-mos nes-cnrom
llvm-mos nes-gtrom
llvm-mos nes-mmc1
llvm-mos nes-mmc3
llvm-mos nes-nrom
llvm-mos nes-unrom
llvm-mos nes-unrom-512
llvm-mos osi-c1p
llvm-mos pce
llvm-mos pce-cd
llvm-mos pce-common
llvm-mos pet
llvm-mos rp6502
llvm-mos rpc8e
llvm-mos supervision
llvm-mos vic20
loongarch64 gcc 12.2.0
loongarch64 gcc 12.3.0
loongarch64 gcc 12.4.0
loongarch64 gcc 13.1.0
loongarch64 gcc 13.2.0
loongarch64 gcc 13.3.0
loongarch64 gcc 14.1.0
mips clang 13.0.0
mips clang 14.0.0
mips clang 15.0.0
mips clang 16.0.0
mips clang 17.0.1
mips clang 18.1.0
mips gcc 11.2.0
mips gcc 12.1.0
mips gcc 12.2.0
mips gcc 12.3.0
mips gcc 12.4.0
mips gcc 13.1.0
mips gcc 13.2.0
mips gcc 13.3.0
mips gcc 14.1.0
mips gcc 4.9.4
mips gcc 5.4
mips gcc 5.5.0
mips gcc 9.3.0 (codescape)
mips gcc 9.5.0
mips64 (el) gcc 12.1.0
mips64 (el) gcc 12.2.0
mips64 (el) gcc 12.3.0
mips64 (el) gcc 12.4.0
mips64 (el) gcc 13.1.0
mips64 (el) gcc 13.2.0
mips64 (el) gcc 13.3.0
mips64 (el) gcc 14.1.0
mips64 (el) gcc 4.9.4
mips64 (el) gcc 5.4.0
mips64 (el) gcc 5.5.0
mips64 (el) gcc 9.5.0
mips64 clang 13.0.0
mips64 clang 14.0.0
mips64 clang 15.0.0
mips64 clang 16.0.0
mips64 clang 17.0.1
mips64 clang 18.1.0
mips64 gcc 11.2.0
mips64 gcc 12.1.0
mips64 gcc 12.2.0
mips64 gcc 12.3.0
mips64 gcc 12.4.0
mips64 gcc 13.1.0
mips64 gcc 13.2.0
mips64 gcc 13.3.0
mips64 gcc 14.1.0
mips64 gcc 4.9.4
mips64 gcc 5.4.0
mips64 gcc 5.5.0
mips64 gcc 9.5.0
mips64el clang 13.0.0
mips64el clang 14.0.0
mips64el clang 15.0.0
mips64el clang 16.0.0
mips64el clang 17.0.1
mips64el clang 18.1.0
mipsel clang 13.0.0
mipsel clang 14.0.0
mipsel clang 15.0.0
mipsel clang 16.0.0
mipsel clang 17.0.1
mipsel clang 18.1.0
mipsel gcc 12.1.0
mipsel gcc 12.2.0
mipsel gcc 12.3.0
mipsel gcc 12.4.0
mipsel gcc 13.1.0
mipsel gcc 13.2.0
mipsel gcc 13.3.0
mipsel gcc 14.1.0
mipsel gcc 4.9.4
mipsel gcc 5.4.0
mipsel gcc 5.5.0
mipsel gcc 9.5.0
nanoMIPS gcc 6.3.0 (mtk)
power gcc 11.2.0
power gcc 12.1.0
power gcc 12.2.0
power gcc 12.3.0
power gcc 12.4.0
power gcc 13.1.0
power gcc 13.2.0
power gcc 13.3.0
power gcc 14.1.0
power gcc 4.8.5
power64 AT12.0 (gcc8)
power64 AT13.0 (gcc9)
power64 gcc 11.2.0
power64 gcc 12.1.0
power64 gcc 12.2.0
power64 gcc 12.3.0
power64 gcc 12.4.0
power64 gcc 13.1.0
power64 gcc 13.2.0
power64 gcc 13.3.0
power64 gcc 14.1.0
power64 gcc trunk
power64le AT12.0 (gcc8)
power64le AT13.0 (gcc9)
power64le clang (trunk)
power64le gcc 11.2.0
power64le gcc 12.1.0
power64le gcc 12.2.0
power64le gcc 12.3.0
power64le gcc 12.4.0
power64le gcc 13.1.0
power64le gcc 13.2.0
power64le gcc 13.3.0
power64le gcc 14.1.0
power64le gcc 6.3.0
power64le gcc trunk
powerpc64 clang (trunk)
s390x gcc 11.2.0
s390x gcc 12.1.0
s390x gcc 12.2.0
s390x gcc 12.3.0
s390x gcc 12.4.0
s390x gcc 13.1.0
s390x gcc 13.2.0
s390x gcc 13.3.0
s390x gcc 14.1.0
sh gcc 12.2.0
sh gcc 12.3.0
sh gcc 12.4.0
sh gcc 13.1.0
sh gcc 13.2.0
sh gcc 13.3.0
sh gcc 14.1.0
sh gcc 4.9.4
sh gcc 9.5.0
vast (trunk)
x64 msvc v19.0 (WINE)
x64 msvc v19.10 (WINE)
x64 msvc v19.14 (WINE)
x64 msvc v19.20 VS16.0
x64 msvc v19.21 VS16.1
x64 msvc v19.22 VS16.2
x64 msvc v19.23 VS16.3
x64 msvc v19.24 VS16.4
x64 msvc v19.25 VS16.5
x64 msvc v19.27 VS16.7
x64 msvc v19.28 VS16.8
x64 msvc v19.28 VS16.9
x64 msvc v19.29 VS16.10
x64 msvc v19.29 VS16.11
x64 msvc v19.30 VS17.0
x64 msvc v19.31 VS17.1
x64 msvc v19.32 VS17.2
x64 msvc v19.33 VS17.3
x64 msvc v19.34 VS17.4
x64 msvc v19.35 VS17.5
x64 msvc v19.36 VS17.6
x64 msvc v19.37 VS17.7
x64 msvc v19.38 VS17.8
x86 djgpp 4.9.4
x86 djgpp 5.5.0
x86 djgpp 6.4.0
x86 djgpp 7.2.0
x86 msvc v19.0 (WINE)
x86 msvc v19.10 (WINE)
x86 msvc v19.14 (WINE)
x86 msvc v19.20 VS16.0
x86 msvc v19.21 VS16.1
x86 msvc v19.22 VS16.2
x86 msvc v19.23 VS16.3
x86 msvc v19.24 VS16.4
x86 msvc v19.25 VS16.5
x86 msvc v19.27 VS16.7
x86 msvc v19.28 VS16.8
x86 msvc v19.28 VS16.9
x86 msvc v19.29 VS16.10
x86 msvc v19.29 VS16.11
x86 msvc v19.30 VS17.0
x86 msvc v19.31 VS17.1
x86 msvc v19.32 VS17.2
x86 msvc v19.33 VS17.3
x86 msvc v19.34 VS17.4
x86 msvc v19.35 VS17.5
x86 msvc v19.36 VS17.6
x86 msvc v19.37 VS17.7
x86 msvc v19.38 VS17.8
x86 nvc++ 22.11
x86 nvc++ 22.7
x86 nvc++ 22.9
x86 nvc++ 23.1
x86 nvc++ 23.11
x86 nvc++ 23.3
x86 nvc++ 23.5
x86 nvc++ 23.7
x86 nvc++ 23.9
x86 nvc++ 24.1
x86 nvc++ 24.3
x86 nvc++ 24.5
x86-64 Zapcc 190308
x86-64 clang (amd-staging)
x86-64 clang (assertions trunk)
x86-64 clang (clangir)
x86-64 clang (dascandy contracts)
x86-64 clang (experimental -Wlifetime)
x86-64 clang (experimental P1061)
x86-64 clang (experimental P1144)
x86-64 clang (experimental P1221)
x86-64 clang (experimental P2996)
x86-64 clang (experimental P3068)
x86-64 clang (experimental metaprogramming - P2632)
x86-64 clang (experimental pattern matching)
x86-64 clang (old concepts branch)
x86-64 clang (p1974)
x86-64 clang (reflection)
x86-64 clang (resugar)
x86-64 clang (thephd.dev)
x86-64 clang (trunk)
x86-64 clang (variadic friends - P2893)
x86-64 clang (widberg)
x86-64 clang 10.0.0
x86-64 clang 10.0.0 (assertions)
x86-64 clang 10.0.1
x86-64 clang 11.0.0
x86-64 clang 11.0.0 (assertions)
x86-64 clang 11.0.1
x86-64 clang 12.0.0
x86-64 clang 12.0.0 (assertions)
x86-64 clang 12.0.1
x86-64 clang 13.0.0
x86-64 clang 13.0.0 (assertions)
x86-64 clang 13.0.1
x86-64 clang 14.0.0
x86-64 clang 14.0.0 (assertions)
x86-64 clang 15.0.0
x86-64 clang 15.0.0 (assertions)
x86-64 clang 16.0.0
x86-64 clang 16.0.0 (assertions)
x86-64 clang 17.0.1
x86-64 clang 17.0.1 (assertions)
x86-64 clang 18.1.0
x86-64 clang 18.1.0 (assertions)
x86-64 clang 2.6.0 (assertions)
x86-64 clang 2.7.0 (assertions)
x86-64 clang 2.8.0 (assertions)
x86-64 clang 2.9.0 (assertions)
x86-64 clang 3.0.0
x86-64 clang 3.0.0 (assertions)
x86-64 clang 3.1
x86-64 clang 3.1 (assertions)
x86-64 clang 3.2
x86-64 clang 3.2 (assertions)
x86-64 clang 3.3
x86-64 clang 3.3 (assertions)
x86-64 clang 3.4 (assertions)
x86-64 clang 3.4.1
x86-64 clang 3.5
x86-64 clang 3.5 (assertions)
x86-64 clang 3.5.1
x86-64 clang 3.5.2
x86-64 clang 3.6
x86-64 clang 3.6 (assertions)
x86-64 clang 3.7
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x86-64 clang 3.7.1
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x86-64 clang 6.0.1
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x86-64 clang 7.0.0 (assertions)
x86-64 clang 7.0.1
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zig c++ 0.10.0
zig c++ 0.11.0
zig c++ 0.12.0
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//===----------------------------------------------------------------------===// // // 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 // //===----------------------------------------------------------------------===// // <set> // UNSUPPORTED: c++98, c++03, c++11, c++14 // UNSUPPORTED: libcpp-no-deduction-guides // template<class InputIterator, // class Compare = less<iter-value-type<InputIterator>>, // class Allocator = allocator<iter-value-type<InputIterator>>> // set(InputIterator, InputIterator, // Compare = Compare(), Allocator = Allocator()) // -> set<iter-value-type<InputIterator>, Compare, Allocator>; // template<class Key, class Compare = less<Key>, class Allocator = allocator<Key>> // set(initializer_list<Key>, Compare = Compare(), Allocator = Allocator()) // -> set<Key, Compare, Allocator>; // template<class InputIterator, class Allocator> // set(InputIterator, InputIterator, Allocator) // -> set<iter-value-type<InputIterator>, less<iter-value-type<InputIterator>>, Allocator>; // template<class Key, class Allocator> // set(initializer_list<Key>, Allocator) -> set<Key, less<Key>, Allocator>; #include <set> #include <cassert> #include <climits> // INT_MAX //===----------------------------------------------------------------------===// // // 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 TEST_ALLOCATOR_H #define TEST_ALLOCATOR_H #include <type_traits> #include <new> #include <memory> #include <utility> #include <cstddef> #include <cstdlib> #include <climits> #include <cassert> #include "https://raw.githubusercontent.com/llvm-mirror/libcxx/master/test/support/test_macros.h" template <class Alloc> inline typename std::allocator_traits<Alloc>::size_type alloc_max_size(Alloc const &a) { typedef std::allocator_traits<Alloc> AT; return AT::max_size(a); } class test_alloc_base { protected: static int time_to_throw; public: static int throw_after; static int count; static int alloc_count; static int copied; static int moved; static int converted; const static int destructed_value = -1; const static int default_value = 0; const static int moved_value = INT_MAX; static void clear() { assert(count == 0 && "clearing leaking allocator data?"); count = 0; time_to_throw = 0; alloc_count = 0; throw_after = INT_MAX; clear_ctor_counters(); } static void clear_ctor_counters() { copied = 0; moved = 0; converted = 0; } }; int test_alloc_base::count = 0; int test_alloc_base::time_to_throw = 0; int test_alloc_base::alloc_count = 0; int test_alloc_base::throw_after = INT_MAX; int test_alloc_base::copied = 0; int test_alloc_base::moved = 0; int test_alloc_base::converted = 0; template <class T> class test_allocator : public test_alloc_base { int data_; // participates in equality int id_; // unique identifier, doesn't participate in equality template <class U> friend class test_allocator; public: typedef unsigned size_type; typedef int difference_type; typedef T value_type; typedef value_type* pointer; typedef const value_type* const_pointer; typedef typename std::add_lvalue_reference<value_type>::type reference; typedef typename std::add_lvalue_reference<const value_type>::type const_reference; template <class U> struct rebind {typedef test_allocator<U> other;}; test_allocator() TEST_NOEXCEPT : data_(0), id_(0) {++count;} explicit test_allocator(int i, int id = 0) TEST_NOEXCEPT : data_(i), id_(id) {++count;} test_allocator(const test_allocator& a) TEST_NOEXCEPT : data_(a.data_), id_(a.id_) { ++count; ++copied; assert(a.data_ != destructed_value && a.id_ != destructed_value && "copying from destroyed allocator"); } #if TEST_STD_VER >= 11 test_allocator(test_allocator&& a) TEST_NOEXCEPT : data_(a.data_), id_(a.id_) { ++count; ++moved; assert(a.data_ != destructed_value && a.id_ != destructed_value && "moving from destroyed allocator"); a.data_ = moved_value; a.id_ = moved_value; } #endif template <class U> test_allocator(const test_allocator<U>& a) TEST_NOEXCEPT : data_(a.data_), id_(a.id_) { ++count; ++converted; } ~test_allocator() TEST_NOEXCEPT { assert(data_ >= 0); assert(id_ >= 0); --count; data_ = destructed_value; id_ = destructed_value; } pointer address(reference x) const {return &x;} const_pointer address(const_reference x) const {return &x;} pointer allocate(size_type n, const void* = 0) { assert(data_ >= 0); if (time_to_throw >= throw_after) { #ifndef TEST_HAS_NO_EXCEPTIONS throw std::bad_alloc(); #else std::terminate(); #endif } ++time_to_throw; ++alloc_count; return (pointer)::operator new(n * sizeof(T)); } void deallocate(pointer p, size_type) {assert(data_ >= 0); --alloc_count; ::operator delete((void*)p);} size_type max_size() const TEST_NOEXCEPT {return UINT_MAX / sizeof(T);} #if TEST_STD_VER < 11 void construct(pointer p, const T& val) {::new(static_cast<void*>(p)) T(val);} #else template <class U> void construct(pointer p, U&& val) {::new(static_cast<void*>(p)) T(std::forward<U>(val));} #endif void destroy(pointer p) {p->~T();} friend bool operator==(const test_allocator& x, const test_allocator& y) {return x.data_ == y.data_;} friend bool operator!=(const test_allocator& x, const test_allocator& y) {return !(x == y);} int get_data() const { return data_; } int get_id() const { return id_; } }; template <class T> class non_default_test_allocator : public test_alloc_base { int data_; template <class U> friend class non_default_test_allocator; public: typedef unsigned size_type; typedef int difference_type; typedef T value_type; typedef value_type* pointer; typedef const value_type* const_pointer; typedef typename std::add_lvalue_reference<value_type>::type reference; typedef typename std::add_lvalue_reference<const value_type>::type const_reference; template <class U> struct rebind {typedef non_default_test_allocator<U> other;}; // non_default_test_allocator() TEST_NOEXCEPT : data_(0) {++count;} explicit non_default_test_allocator(int i) TEST_NOEXCEPT : data_(i) {++count;} non_default_test_allocator(const non_default_test_allocator& a) TEST_NOEXCEPT : data_(a.data_) {++count;} template <class U> non_default_test_allocator(const non_default_test_allocator<U>& a) TEST_NOEXCEPT : data_(a.data_) {++count;} ~non_default_test_allocator() TEST_NOEXCEPT {assert(data_ >= 0); --count; data_ = -1;} pointer address(reference x) const {return &x;} const_pointer address(const_reference x) const {return &x;} pointer allocate(size_type n, const void* = 0) { assert(data_ >= 0); if (time_to_throw >= throw_after) { #ifndef TEST_HAS_NO_EXCEPTIONS throw std::bad_alloc(); #else std::terminate(); #endif } ++time_to_throw; ++alloc_count; return (pointer)::operator new (n * sizeof(T)); } void deallocate(pointer p, size_type) {assert(data_ >= 0); --alloc_count; ::operator delete((void*)p); } size_type max_size() const TEST_NOEXCEPT {return UINT_MAX / sizeof(T);} #if TEST_STD_VER < 11 void construct(pointer p, const T& val) {::new(static_cast<void*>(p)) T(val);} #else template <class U> void construct(pointer p, U&& val) {::new(static_cast<void*>(p)) T(std::forward<U>(val));} #endif void destroy(pointer p) {p->~T();} friend bool operator==(const non_default_test_allocator& x, const non_default_test_allocator& y) {return x.data_ == y.data_;} friend bool operator!=(const non_default_test_allocator& x, const non_default_test_allocator& y) {return !(x == y);} }; template <> class test_allocator<void> : public test_alloc_base { int data_; int id_; template <class U> friend class test_allocator; public: typedef unsigned size_type; typedef int difference_type; typedef void value_type; typedef value_type* pointer; typedef const value_type* const_pointer; template <class U> struct rebind {typedef test_allocator<U> other;}; test_allocator() TEST_NOEXCEPT : data_(0), id_(0) {} explicit test_allocator(int i, int id = 0) TEST_NOEXCEPT : data_(i), id_(id) {} test_allocator(const test_allocator& a) TEST_NOEXCEPT : data_(a.data_), id_(a.id_) {} template <class U> test_allocator(const test_allocator<U>& a) TEST_NOEXCEPT : data_(a.data_), id_(a.id_) {} ~test_allocator() TEST_NOEXCEPT {data_ = -1; id_ = -1; } int get_id() const { return id_; } int get_data() const { return data_; } friend bool operator==(const test_allocator& x, const test_allocator& y) {return x.data_ == y.data_;} friend bool operator!=(const test_allocator& x, const test_allocator& y) {return !(x == y);} }; template <class T> class other_allocator { int data_; template <class U> friend class other_allocator; public: typedef T value_type; other_allocator() : data_(-1) {} explicit other_allocator(int i) : data_(i) {} template <class U> other_allocator(const other_allocator<U>& a) : data_(a.data_) {} T* allocate(std::size_t n) {return (T*)::operator new(n * sizeof(T));} void deallocate(T* p, std::size_t) {::operator delete((void*)p);} other_allocator select_on_container_copy_construction() const {return other_allocator(-2);} friend bool operator==(const other_allocator& x, const other_allocator& y) {return x.data_ == y.data_;} friend bool operator!=(const other_allocator& x, const other_allocator& y) {return !(x == y);} typedef std::true_type propagate_on_container_copy_assignment; typedef std::true_type propagate_on_container_move_assignment; typedef std::true_type propagate_on_container_swap; #if TEST_STD_VER < 11 std::size_t max_size() const {return UINT_MAX / sizeof(T);} #endif }; #if TEST_STD_VER >= 11 struct Ctor_Tag {}; template <typename T> class TaggingAllocator; struct Tag_X { // All constructors must be passed the Tag type. // DefaultInsertable into vector<X, TaggingAllocator<X>>, Tag_X(Ctor_Tag) {} // CopyInsertable into vector<X, TaggingAllocator<X>>, Tag_X(Ctor_Tag, const Tag_X&) {} // MoveInsertable into vector<X, TaggingAllocator<X>>, and Tag_X(Ctor_Tag, Tag_X&&) {} // EmplaceConstructible into vector<X, TaggingAllocator<X>> from args. template<typename... Args> Tag_X(Ctor_Tag, Args&&...) { } // not DefaultConstructible, CopyConstructible or MoveConstructible. Tag_X() = delete; Tag_X(const Tag_X&) = delete; Tag_X(Tag_X&&) = delete; // CopyAssignable. Tag_X& operator=(const Tag_X&) { return *this; } // MoveAssignable. Tag_X& operator=(Tag_X&&) { return *this; } private: // Not Destructible. ~Tag_X() { } // Erasable from vector<X, TaggingAllocator<X>>. friend class TaggingAllocator<Tag_X>; }; template<typename T> class TaggingAllocator { public: using value_type = T; TaggingAllocator() = default; template<typename U> TaggingAllocator(const TaggingAllocator<U>&) { } T* allocate(std::size_t n) { return std::allocator<T>{}.allocate(n); } void deallocate(T* p, std::size_t n) { std::allocator<T>{}.deallocate(p, n); } template<typename... Args> void construct(Tag_X* p, Args&&... args) { ::new((void*)p) Tag_X(Ctor_Tag{}, std::forward<Args>(args)...); } template<typename U, typename... Args> void construct(U* p, Args&&... args) { ::new((void*)p) U(std::forward<Args>(args)...); } template<typename U, typename... Args> void destroy(U* p) { p->~U(); } }; template<typename T, typename U> bool operator==(const TaggingAllocator<T>&, const TaggingAllocator<U>&) { return true; } template<typename T, typename U> bool operator!=(const TaggingAllocator<T>&, const TaggingAllocator<U>&) { return false; } #endif template <std::size_t MaxAllocs> struct limited_alloc_handle { std::size_t outstanding_; void* last_alloc_; limited_alloc_handle() : outstanding_(0), last_alloc_(nullptr) {} template <class T> T *allocate(std::size_t N) { if (N + outstanding_ > MaxAllocs) TEST_THROW(std::bad_alloc()); last_alloc_ = ::operator new(N*sizeof(T)); outstanding_ += N; return static_cast<T*>(last_alloc_); } void deallocate(void* ptr, std::size_t N) { if (ptr == last_alloc_) { last_alloc_ = nullptr; assert(outstanding_ >= N); outstanding_ -= N; } ::operator delete(ptr); } }; template <class T, std::size_t N> class limited_allocator { template <class U, std::size_t UN> friend class limited_allocator; typedef limited_alloc_handle<N> BuffT; std::shared_ptr<BuffT> handle_; public: typedef T value_type; typedef value_type* pointer; typedef const value_type* const_pointer; typedef value_type& reference; typedef const value_type& const_reference; typedef std::size_t size_type; typedef std::ptrdiff_t difference_type; template <class U> struct rebind { typedef limited_allocator<U, N> other; }; limited_allocator() : handle_(new BuffT) {} limited_allocator(limited_allocator const& other) : handle_(other.handle_) {} template <class U> explicit limited_allocator(limited_allocator<U, N> const& other) : handle_(other.handle_) {} private: limited_allocator& operator=(const limited_allocator&);// = delete; public: pointer allocate(size_type n) { return handle_->template allocate<T>(n); } void deallocate(pointer p, size_type n) { handle_->deallocate(p, n); } size_type max_size() const {return N;} BuffT* getHandle() const { return handle_.get(); } }; template <class T, class U, std::size_t N> inline bool operator==(limited_allocator<T, N> const& LHS, limited_allocator<U, N> const& RHS) { return LHS.getHandle() == RHS.getHandle(); } template <class T, class U, std::size_t N> inline bool operator!=(limited_allocator<T, N> const& LHS, limited_allocator<U, N> const& RHS) { return !(LHS == RHS); } #endif // TEST_ALLOCATOR_H struct A { friend bool operator<(A, A) { return false; } }; int main(int, char**) { // Test the explicit deduction guides { const int arr[] = { 1, 2, 1, INT_MAX, 3 }; std::set s(std::begin(arr), std::end(arr)); static_assert(std::is_same_v<decltype(s), std::set<int>>, ""); int expected_s[] = {1, 2, 3, INT_MAX}; assert(std::equal(s.begin(), s.end(), std::begin(expected_s), std::end(expected_s))); } { const int arr[] = { 1, 2, 1, INT_MAX, 3 }; std::set s(std::begin(arr), std::end(arr), std::greater<int>()); static_assert(std::is_same_v<decltype(s), std::set<int, std::greater<int>>>, ""); int expected_s[] = {INT_MAX, 3, 2, 1}; assert(std::equal(s.begin(), s.end(), std::begin(expected_s), std::end(expected_s))); } { const int arr[] = { 1, 2, 1, INT_MAX, 3 }; std::set s(std::begin(arr), std::end(arr), std::greater<int>(), test_allocator<int>(0, 42)); static_assert(std::is_same_v<decltype(s), std::set<int, std::greater<int>, test_allocator<int>>>, ""); int expected_s[] = {INT_MAX, 3, 2, 1}; assert(std::equal(s.begin(), s.end(), std::begin(expected_s), std::end(expected_s))); assert(s.get_allocator().get_id() == 42); } { std::set s{ 1, 2, 1, INT_MAX, 3 }; static_assert(std::is_same_v<decltype(s), std::set<int>>, ""); int expected_s[] = {1, 2, 3, INT_MAX}; assert(std::equal(s.begin(), s.end(), std::begin(expected_s), std::end(expected_s))); } { std::set s({ 1, 2, 1, INT_MAX, 3 }, std::greater<int>()); static_assert(std::is_same_v<decltype(s), std::set<int, std::greater<int>>>, ""); int expected_s[] = {INT_MAX, 3, 2, 1}; assert(std::equal(s.begin(), s.end(), std::begin(expected_s), std::end(expected_s))); } { std::set s({ 1, 2, 1, INT_MAX, 3 }, std::greater<int>(), test_allocator<int>(0, 43)); static_assert(std::is_same_v<decltype(s), std::set<int, std::greater<int>, test_allocator<int>>>, ""); int expected_s[] = {INT_MAX, 3, 2, 1}; assert(std::equal(s.begin(), s.end(), std::begin(expected_s), std::end(expected_s))); assert(s.get_allocator().get_id() == 43); } { const int arr[] = { 1, 2, 1, INT_MAX, 3 }; std::set s(std::begin(arr), std::end(arr), test_allocator<int>(0, 44)); static_assert(std::is_same_v<decltype(s), std::set<int, std::less<int>, test_allocator<int>>>, ""); int expected_s[] = {1, 2, 3, INT_MAX}; assert(std::equal(s.begin(), s.end(), std::begin(expected_s), std::end(expected_s))); assert(s.get_allocator().get_id() == 44); } { std::set s({ 1, 2, 1, INT_MAX, 3 }, test_allocator<int>(0, 45)); static_assert(std::is_same_v<decltype(s), std::set<int, std::less<int>, test_allocator<int>>>, ""); int expected_s[] = {1, 2, 3, INT_MAX}; assert(std::equal(s.begin(), s.end(), std::begin(expected_s), std::end(expected_s))); assert(s.get_allocator().get_id() == 45); } { std::set<long> source; std::set s(source); // set(set &) static_assert(std::is_same_v<decltype(s), std::set<long>>, ""); assert(s.size() == 0); } { std::set<long> source; std::set s{source}; // set(set &) static_assert(std::is_same_v<decltype(s), std::set<long>>, ""); assert(s.size() == 0); } { A a; std::set s{a}; // set(initializer_list<A>) static_assert(std::is_same_v<decltype(s), std::set<A>>, ""); assert(s.size() == 1); } { std::set<long> source; std::set s{source, source}; // set(initializer_list<set<long>>) static_assert(std::is_same_v<decltype(s), std::set<std::set<long>>>, ""); assert(s.size() == 1); } { A a; std::set s{a, a}; // set(initializer_list<A>) static_assert(std::is_same_v<decltype(s), std::set<A>>, ""); assert(s.size() == 1); } { int source[3] = {3, 4, 5}; std::set s(source, source + 3); // set(InputIterator, InputIterator) static_assert(std::is_same_v<decltype(s), std::set<int>>, ""); assert(s.size() == 3); } { int source[3] = {3, 4, 5}; std::set s{source, source + 3}; // set(initializer_list<int*>) static_assert(std::is_same_v<decltype(s), std::set<int*>>, ""); assert(s.size() == 2); } return 0; }
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