SingleSource/Regression/C/gcc-c-torture/execute/CMakeLists.txt - llvm-test-suite - Git at Google

 add_subdirectory(ieee)

 # GCC C Torture Suite is conventionally run without warnings
 list(APPEND CFLAGS "-w")

 set(TestsToSkip)

 ##
 ## Main Test Blacklist for Clang
 ##

 # Tests with features unsupported by Clang (usually GCC extensions)
 # (Big list of naughty tests)
 file(GLOB UnsupportedTests CONFIGURE_DEPENDS
   # GCC Extension: Nested functions
   20000822-1.c
   20010209-1.c
   20010605-1.c
   20030501-1.c
   20040520-1.c
   20061220-1.c
   20090219-1.c
   920415-1.c
   920428-2.c
   920501-7.c
   920612-2.c
   920721-4.c
   921017-1.c
   921215-1.c
   931002-1.c
   comp-goto-2.c
   nest-align-1.c
   nest-stdar-1.c
   nestfunc-1.c
   nestfunc-2.c
   nestfunc-3.c
   nestfunc-5.c
   nestfunc-6.c
   nestfunc-7.c
   pr22061-3.c
   pr22061-4.c
   pr24135.c
   pr51447.c
   pr71494.c

   # Variable length arrays in structs
   20020412-1.c
   20040308-1.c
   20040423-1.c
   20041218-2.c
   20070919-1.c
   align-nest.c
   pr41935.c
   pr82210.c

   # Initialization of flexible array member
   pr28865.c

   # GCC Extension: __builtin_*
   pr39228.c          # __builtin_isinff, __builtin_isinfl
   pr47237.c          # __builtin_apply, __builtin_apply_args
   pr85331.c          # __builtin_shuffle
   va-arg-pack-1.c    # __builtin_va_arg_pack

   # Clang does not support 'DD' suffix on floating constant
   pr80692.c

   # Test requires compiler to recognise llabs without including <inttypes.h> -
   # clang will only recognise this function if the header is included.
   20021127-1.c

   # Tests __attribute__((noinit))
   noinit-attribute.c

   # We are unable to parse the dg-additional-options for this test, which is
   # required for it to work (we discard any with `target`, but we need the
   # define for this test)
   20101011-1.c

   # The following rely on C Undefined Behavior

   # Test relies on UB around (float)INT_MAX
   20031003-1.c

   # UB: Expects very specific behavior around setjmp/longjmp and allocas, which
   # clang is not obliged to replicate.
   pr64242.c

   # UB: Creates two `restrict` pointers that alias in the same scope.
   pr38212.c

   # UB: Each comparisons in (cyx != cyy || mpn_cmp (dx, dy, size + 1) != 0 ||
   #     dx[size] != 0x12345678) is UB on its own.
   921202-1.c

   # The following all expect very specific optimiser behavior from the compiler

   # __builtin_return_address(n) with n > 0 not guaranteed to give expected result
   20010122-1.c

   # Expects gnu89 inline behavior
   20001121-1.c
   20020107-1.c
   930526-1.c
   961223-1.c
   980608-1.c
   bcp-1.c
   loop-2c.c
   p18298.c
   restrict-1.c
   unroll-1.c
   va-arg-7.c
   va-arg-8.c

   # Clang at O0 does not work out the code referencing the undefined symbol can
   # never be executed
   medce-1.c

   # Expects that function is always inlined
   990208-1.c

   # pragma optimize("-option") is ignored by Clang
   alias-1.c
   pr79043.c

   # The following all expect very specific optimiser behavior from the compiler
   # around __printf_chk and friends.
   fprintf-chk-1.c
   printf-chk-1.c
   vfprintf-chk-1.c
   vprintf-chk-1.c

   # Clang at -O0 does not enable -finstrument-functions
   # (https://bugs.llvm.org/show_bug.cgi?id=49143)
   eeprof-1.c
 )
 list(APPEND TestsToSkip ${UnsupportedTests})

 # Tests where clang currently has bugs or issues
 file(GLOB FailingTests CONFIGURE_DEPENDS

   # Handling of bitfields is different between clang and GCC:
   # http://lists.llvm.org/pipermail/llvm-dev/2017-October/118507.html
   # https://gcc.gnu.org/ml/gcc/2017-10/msg00192.html
   # http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1260.htm
   bitfld-3.c
   bitfld-5.c
   pr32244-1.c
   pr34971.c

   # This causes a stacktrace on x86 in X86TargetLowering::LowerCallTo
   pr84169.c

   # clang complains the array is too large
   991014-1.c

   # __builtin_setjmp/__builtin_longjmp are interacting badly with optimisation
   pr60003.c
 )
 list(APPEND TestsToSkip ${FailingTests})

 ##
 ## Tests that require extra CFLAGS in Clang
 ##

 # Tests that require -fwrapv
 file(GLOB TestRequiresFWrapV CONFIGURE_DEPENDS
   # Test relies on undefined signed overflow behavior (int foo - INT_MIN).
   20040409-1.c
   20040409-2.c
   20040409-3.c
 )

 # Tests that require -Wno-return-type
 file(GLOB TestRequiresWNoReturnType CONFIGURE_DEPENDS
   # Non-void function must return a value
   920302-1.c
   920501-3.c
   920728-1.c
 )

 # Tests that require libm (-lm ldflag)
 file(GLOB TestRequiresLibM CONFIGURE_DEPENDS
   980709-1.c
   float-floor.c
   complex-5.c  # -lm needed on FreeBSD
 )

 # Tests that require newnlib Nano IO (--undefined=_printf_float ldflag)
 file(GLOB TestRequiresNanoIO CONFIGURE_DEPENDS
   920501-8.c
   930513-1.c
 )

 ##
 ## Architecture-specific Test Blacklists
 ##


 # Tests that require mmap
 include(CheckSymbolExists)
 CHECK_SYMBOL_EXISTS("mmap" "sys/types.h;sys/mman.h" HAVE_MMAP)
 if (NOT HAVE_MMAP)
   file(GLOB MMapTests
     loop-2f.c
     loop-2g.c
   )
   list(APPEND TestsToSkip ${MMapTests})
 endif()

 # x86-only Tests
 if(NOT ARCH MATCHES "x86")
   file(GLOB X86OnlyTests CONFIGURE_DEPENDS
     990413-2.c
   )

   list(APPEND TestsToSkip ${X86OnlyTests})
 endif()

 # MIPS Test Blacklist
 if(ARCH MATCHES "Mips")
   file(GLOB MipsTestsToSkip CONFIGURE_DEPENDS
     # No backend support for __builtin_longjmp/__builtin_setjmp
     built-in-setjmp.c
     pr84521.c
     # Triggers "return address can be determined only for current frame"
     20030323-1.c
     # These test cases compiled very long due PR43263.
     pr20621-1.c
     pr23135.c
     pr28982b.c
   )

   # MIPS 32-bit Test Blacklist
   if(NOT MIPS_IS_MIPS64_ENABLED)
     file(GLOB Mips32TestsToSkip CONFIGURE_DEPENDS
       # No support for __int128 on MIPS 32-bit
       pr84748.c
     )

     list(APPEND MipsTestsToSkip ${Mips32TestsToSkip})
   endif()

   list(APPEND TestsToSkip ${MipsTestsToSkip})
 endif()

 # RISC-V Test Blacklist
 if(ARCH MATCHES "riscv")
   file(GLOB RISCVTestsToSkip CONFIGURE_DEPENDS
     # No backend support for __builtin_longjmp/__builtin_setjmp
     built-in-setjmp.c
     pr84521.c
   )

   # RISC-V 32-bit Test Blacklist
   if (ARCH MATCHES "riscv32")
     file(GLOB RISCV32TestsToSkip CONFIGURE_DEPENDS
       # No support for __int128 on rv32
       pr84748.c
     )

     list(APPEND RISCVTestsToSkip ${RISCV32TestsToSkip})
   endif()

   list(APPEND TestsToSkip ${RISCVTestsToSkip})
 endif()

 # SystemZ Test Blacklist
 if(ARCH MATCHES "SystemZ")
   file(GLOB SystemZTestsToSkip CONFIGURE_DEPENDS
     # error: __builtin_longjmp is not supported for the current target
     # error: __builtin_setjmp is not supported for the current target
     built-in-setjmp.c
     pr84521.c
     # Triggers "Unsupported stack frame traversal count"
     20030323-1.c
   )

   list(APPEND TestsToSkip ${SystemZTestsToSkip})
 endif()

 # AArch64 Test Blacklist
 if(ARCH MATCHES "AArch64")
   file(GLOB AArch64TestsToSkip CONFIGURE_DEPENDS
     # error: __builtin_longjmp is not supported for the current target
     # error: __builtin_setjmp is not supported for the current target
     built-in-setjmp.c
     pr84521.c
     # Triggers an assertion failure at at least -O3
     va-arg-22.c
     # Triggers an assertion failure in RegBankSelect pass at -O0 (GlobalIsel)
     pr71626-1.c
     pr71626-2.c
   )

   list(APPEND TestsToSkip ${AArch64TestsToSkip})
 endif()

 # ARM Test Blacklist
 if(ARCH MATCHES "ARM")
   file(GLOB ARMTestsToSkip CONFIGURE_DEPENDS
     # No support for __int128 on ARM 32-bit
     pr84748.c

     # With some command line options, linking fails with:
     # pr89434.c:(.text+0xac): undefined reference to `__mulodi4'
     pr89434.c

     # Fails in the front end with:
     # clang: llvm/include/llvm/Support/Casting.h:269: typename
     #   cast_retty<X, Y *>::ret_type llvm::cast(Y *) [X = llvm::PointerType,
     #   Y = llvm::Type]: Assertion `isa<X>(Val) && "cast<Ty>() argument of
     #   incompatible type!"' failed.
     va-arg-22.c
   )

   list(APPEND TestsToSkip ${ARMTestsToSkip})
 endif()

 # Darwin Test Blacklist
 if(TARGET_OS STREQUAL "Darwin")
   file(GLOB DarwinTestsToSkip CONFIGURE_DEPENDS
     # error: aliases are not supported on darwin
     alias-2.c
     alias-3.c
     alias-4.c
     # Undefined symbols for architecture x86_64:
     # "_printf_float", referenced from:
     # -u command line option
     930513-1.c
     920501-8.c
   )
   list(APPEND TestsToSkip ${DarwinTestsToSkip})
 endif()

 ##
 ## Test target setup
 ##

 file(GLOB TestFiles CONFIGURE_DEPENDS
   *.c
 )
 foreach(TestToSkip ${TestsToSkip})
   list(REMOVE_ITEM TestFiles ${TestToSkip})
 endforeach()

 foreach(File ${TestFiles})
   set(MaybeCFlags)
   set(MaybeLDFlags)

   # Add Test-specific CFLAGS/LDFLAGS here

   if(${File} IN_LIST TestRequiresLibM)
     list(APPEND MaybeLDFlags "-lm")
   endif()

   if(${File} IN_LIST TestRequiresWNoReturnType)
     list(APPEND MaybeCFlags "-Wno-return-type")
   endif()

   if(${File} IN_LIST TestRequiresFWrapV)
     list(APPEND MaybeCFlags "-fwrapv")
   endif()

   if(${File} IN_LIST TestRequiresNanoIO)
     list(APPEND MaybeLDFlags "-Wl,-u,_printf_float")
   endif()

   # Add Test Target
   gcc_torture_execute_test(${File}
                            PREFIX "GCC-C-execute"
                            CFLAGS ${MaybeCFlags}
                            LDFLAGS ${MaybeLDFlags})
 endforeach()
	add_subdirectory(ieee)

	# GCC C Torture Suite is conventionally run without warnings
	list(APPEND CFLAGS "-w")

	set(TestsToSkip)

	##
	## Main Test Blacklist for Clang
	##

	# Tests with features unsupported by Clang (usually GCC extensions)
	# (Big list of naughty tests)
	file(GLOB UnsupportedTests CONFIGURE_DEPENDS
	# GCC Extension: Nested functions
	20000822-1.c
	20010209-1.c
	20010605-1.c
	20030501-1.c
	20040520-1.c
	20061220-1.c
	20090219-1.c
	920415-1.c
	920428-2.c
	920501-7.c
	920612-2.c
	920721-4.c
	921017-1.c
	921215-1.c
	931002-1.c
	comp-goto-2.c
	nest-align-1.c
	nest-stdar-1.c
	nestfunc-1.c
	nestfunc-2.c
	nestfunc-3.c
	nestfunc-5.c
	nestfunc-6.c
	nestfunc-7.c
	pr22061-3.c
	pr22061-4.c
	pr24135.c
	pr51447.c
	pr71494.c

	# Variable length arrays in structs
	20020412-1.c
	20040308-1.c
	20040423-1.c
	20041218-2.c
	20070919-1.c
	align-nest.c
	pr41935.c
	pr82210.c

	# Initialization of flexible array member
	pr28865.c

	# GCC Extension: __builtin_*
	pr39228.c # __builtin_isinff, __builtin_isinfl
	pr47237.c # __builtin_apply, __builtin_apply_args
	pr85331.c # __builtin_shuffle
	va-arg-pack-1.c # __builtin_va_arg_pack

	# Clang does not support 'DD' suffix on floating constant
	pr80692.c

	# Test requires compiler to recognise llabs without including <inttypes.h> -
	# clang will only recognise this function if the header is included.
	20021127-1.c

	# Tests __attribute__((noinit))
	noinit-attribute.c

	# We are unable to parse the dg-additional-options for this test, which is
	# required for it to work (we discard any with `target`, but we need the
	# define for this test)
	20101011-1.c

	# The following rely on C Undefined Behavior

	# Test relies on UB around (float)INT_MAX
	20031003-1.c

	# UB: Expects very specific behavior around setjmp/longjmp and allocas, which
	# clang is not obliged to replicate.
	pr64242.c

	# UB: Creates two `restrict` pointers that alias in the same scope.
	pr38212.c

	# UB: Each comparisons in (cyx != cyy \|\| mpn_cmp (dx, dy, size + 1) != 0 \|\|
	# dx[size] != 0x12345678) is UB on its own.
	921202-1.c

	# The following all expect very specific optimiser behavior from the compiler

	# __builtin_return_address(n) with n > 0 not guaranteed to give expected result
	20010122-1.c

	# Expects gnu89 inline behavior
	20001121-1.c
	20020107-1.c
	930526-1.c
	961223-1.c
	980608-1.c
	bcp-1.c
	loop-2c.c
	p18298.c
	restrict-1.c
	unroll-1.c
	va-arg-7.c
	va-arg-8.c

	# Clang at O0 does not work out the code referencing the undefined symbol can
	# never be executed
	medce-1.c

	# Expects that function is always inlined
	990208-1.c

	# pragma optimize("-option") is ignored by Clang
	alias-1.c
	pr79043.c

	# The following all expect very specific optimiser behavior from the compiler
	# around __printf_chk and friends.
	fprintf-chk-1.c
	printf-chk-1.c
	vfprintf-chk-1.c
	vprintf-chk-1.c

	# Clang at -O0 does not enable -finstrument-functions
	# (https://bugs.llvm.org/show_bug.cgi?id=49143)
	eeprof-1.c
	)
	list(APPEND TestsToSkip ${UnsupportedTests})

	# Tests where clang currently has bugs or issues
	file(GLOB FailingTests CONFIGURE_DEPENDS

	# Handling of bitfields is different between clang and GCC:
	# http://lists.llvm.org/pipermail/llvm-dev/2017-October/118507.html
	# https://gcc.gnu.org/ml/gcc/2017-10/msg00192.html
	# http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1260.htm
	bitfld-3.c
	bitfld-5.c
	pr32244-1.c
	pr34971.c

	# This causes a stacktrace on x86 in X86TargetLowering::LowerCallTo
	pr84169.c

	# clang complains the array is too large
	991014-1.c

	# __builtin_setjmp/__builtin_longjmp are interacting badly with optimisation
	pr60003.c
	)
	list(APPEND TestsToSkip ${FailingTests})

	##
	## Tests that require extra CFLAGS in Clang
	##

	# Tests that require -fwrapv
	file(GLOB TestRequiresFWrapV CONFIGURE_DEPENDS
	# Test relies on undefined signed overflow behavior (int foo - INT_MIN).
	20040409-1.c
	20040409-2.c
	20040409-3.c
	)

	# Tests that require -Wno-return-type
	file(GLOB TestRequiresWNoReturnType CONFIGURE_DEPENDS
	# Non-void function must return a value
	920302-1.c
	920501-3.c
	920728-1.c
	)

	# Tests that require libm (-lm ldflag)
	file(GLOB TestRequiresLibM CONFIGURE_DEPENDS
	980709-1.c
	float-floor.c
	complex-5.c # -lm needed on FreeBSD
	)

	# Tests that require newnlib Nano IO (--undefined=_printf_float ldflag)
	file(GLOB TestRequiresNanoIO CONFIGURE_DEPENDS
	920501-8.c
	930513-1.c
	)

	##
	## Architecture-specific Test Blacklists
	##


	# Tests that require mmap
	include(CheckSymbolExists)
	CHECK_SYMBOL_EXISTS("mmap" "sys/types.h;sys/mman.h" HAVE_MMAP)
	if (NOT HAVE_MMAP)
	file(GLOB MMapTests
	loop-2f.c
	loop-2g.c
	)
	list(APPEND TestsToSkip ${MMapTests})
	endif()

	# x86-only Tests
	if(NOT ARCH MATCHES "x86")
	file(GLOB X86OnlyTests CONFIGURE_DEPENDS
	990413-2.c
	)

	list(APPEND TestsToSkip ${X86OnlyTests})
	endif()

	# MIPS Test Blacklist
	if(ARCH MATCHES "Mips")
	file(GLOB MipsTestsToSkip CONFIGURE_DEPENDS
	# No backend support for __builtin_longjmp/__builtin_setjmp
	built-in-setjmp.c
	pr84521.c
	# Triggers "return address can be determined only for current frame"
	20030323-1.c
	# These test cases compiled very long due PR43263.
	pr20621-1.c
	pr23135.c
	pr28982b.c
	)

	# MIPS 32-bit Test Blacklist
	if(NOT MIPS_IS_MIPS64_ENABLED)
	file(GLOB Mips32TestsToSkip CONFIGURE_DEPENDS
	# No support for __int128 on MIPS 32-bit
	pr84748.c
	)

	list(APPEND MipsTestsToSkip ${Mips32TestsToSkip})
	endif()

	list(APPEND TestsToSkip ${MipsTestsToSkip})
	endif()

	# RISC-V Test Blacklist
	if(ARCH MATCHES "riscv")
	file(GLOB RISCVTestsToSkip CONFIGURE_DEPENDS
	# No backend support for __builtin_longjmp/__builtin_setjmp
	built-in-setjmp.c
	pr84521.c
	)

	# RISC-V 32-bit Test Blacklist
	if (ARCH MATCHES "riscv32")
	file(GLOB RISCV32TestsToSkip CONFIGURE_DEPENDS
	# No support for __int128 on rv32
	pr84748.c
	)

	list(APPEND RISCVTestsToSkip ${RISCV32TestsToSkip})
	endif()

	list(APPEND TestsToSkip ${RISCVTestsToSkip})
	endif()

	# SystemZ Test Blacklist
	if(ARCH MATCHES "SystemZ")
	file(GLOB SystemZTestsToSkip CONFIGURE_DEPENDS
	# error: __builtin_longjmp is not supported for the current target
	# error: __builtin_setjmp is not supported for the current target
	built-in-setjmp.c
	pr84521.c
	# Triggers "Unsupported stack frame traversal count"
	20030323-1.c
	)

	list(APPEND TestsToSkip ${SystemZTestsToSkip})
	endif()

	# AArch64 Test Blacklist
	if(ARCH MATCHES "AArch64")
	file(GLOB AArch64TestsToSkip CONFIGURE_DEPENDS
	# error: __builtin_longjmp is not supported for the current target
	# error: __builtin_setjmp is not supported for the current target
	built-in-setjmp.c
	pr84521.c
	# Triggers an assertion failure at at least -O3
	va-arg-22.c
	# Triggers an assertion failure in RegBankSelect pass at -O0 (GlobalIsel)
	pr71626-1.c
	pr71626-2.c
	)

	list(APPEND TestsToSkip ${AArch64TestsToSkip})
	endif()

	# ARM Test Blacklist
	if(ARCH MATCHES "ARM")
	file(GLOB ARMTestsToSkip CONFIGURE_DEPENDS
	# No support for __int128 on ARM 32-bit
	pr84748.c

	# With some command line options, linking fails with:
	# pr89434.c:(.text+0xac): undefined reference to `__mulodi4'
	pr89434.c

	# Fails in the front end with:
	# clang: llvm/include/llvm/Support/Casting.h:269: typename
	# cast_retty<X, Y >::ret_type llvm::cast(Y ) [X = llvm::PointerType,
	# Y = llvm::Type]: Assertion `isa<X>(Val) && "cast<Ty>() argument of
	# incompatible type!"' failed.
	va-arg-22.c
	)

	list(APPEND TestsToSkip ${ARMTestsToSkip})
	endif()

	# Darwin Test Blacklist
	if(TARGET_OS STREQUAL "Darwin")
	file(GLOB DarwinTestsToSkip CONFIGURE_DEPENDS
	# error: aliases are not supported on darwin
	alias-2.c
	alias-3.c
	alias-4.c
	# Undefined symbols for architecture x86_64:
	# "_printf_float", referenced from:
	# -u command line option
	930513-1.c
	920501-8.c
	)
	list(APPEND TestsToSkip ${DarwinTestsToSkip})
	endif()

	##
	## Test target setup
	##

	file(GLOB TestFiles CONFIGURE_DEPENDS
	*.c
	)
	foreach(TestToSkip ${TestsToSkip})
	list(REMOVE_ITEM TestFiles ${TestToSkip})
	endforeach()

	foreach(File ${TestFiles})
	set(MaybeCFlags)
	set(MaybeLDFlags)

	# Add Test-specific CFLAGS/LDFLAGS here

	if(${File} IN_LIST TestRequiresLibM)
	list(APPEND MaybeLDFlags "-lm")
	endif()

	if(${File} IN_LIST TestRequiresWNoReturnType)
	list(APPEND MaybeCFlags "-Wno-return-type")
	endif()

	if(${File} IN_LIST TestRequiresFWrapV)
	list(APPEND MaybeCFlags "-fwrapv")
	endif()

	if(${File} IN_LIST TestRequiresNanoIO)
	list(APPEND MaybeLDFlags "-Wl,-u,_printf_float")
	endif()

	# Add Test Target
	gcc_torture_execute_test(${File}
	PREFIX "GCC-C-execute"
	CFLAGS ${MaybeCFlags}
	LDFLAGS ${MaybeLDFlags})
	endforeach()