| 文件 | 最后提交记录 | 最后更新时间 |
|---|---|---|
[clang][AArch64] Add SME2.1 feature macros (#105657) (cherry picked from commit 2617023923175b0fd2a8cb94ad677c061c01627f) | 1 年前 | |
[clang][AArch64] Add SME2.1 feature macros (#105657) (cherry picked from commit 2617023923175b0fd2a8cb94ad677c061c01627f) | 1 年前 | |
[AMDGPU] Report error in clang if wave32 is requested where unsupported (#97633) | 1 年前 | |
[NVPTX][AMDGPU][CodeGen] Fix local_space nullptr handling for NVPTX and local/private nullptr value for AMDGPU. (#78759) - Address space cast of nullptr in local_space into a generic_space for the CUDA backend. The reason for this cast was having invalid local memory base address for the associated variable. - In the context of AMD GPU, assigns a NULL value as ~0 for the address spaces of sycl_local and sycl_private to match the ones for opencl_local and opencl_private. | 2 年前 | |
Update the file headers across all of the LLVM projects in the monorepo to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351636 | 7 年前 | |
[clang] Return std::string_view from TargetInfo::getClobbers() Change the return type of getClobbers function from const char* to std::string_view. Update the function usages in CodeGen module. The reasoning of these changes is to remove unsafe const char* strings and prevent unnecessary allocations for constructing the std::string in usages of getClobbers() function. Differential Revision: https://reviews.llvm.org/D148799 | 3 年前 | |
[LLVM] [Clang] Backport "Support for Gentoo *t64 triples (64-bit time_t ABIs)" This is a backport of 387b37af1aabf325e9be844361564dfad8d45c75 for 19.x, adjusted to add new Triple::EnvironmentType members at the end to avoid breaking backwards ABI compatibility. Gentoo is planning to introduce a *t64 suffix for triples that will be used by 32-bit platforms that use 64-bit time_t. Add support for parsing and accepting these triples, and while at it make clang automatically enable the necessary glibc feature macros when this suffix is used. | 1 年前 | |
| 2 年前 | ||
[clang] Don't define predefined macros multiple times Fix several instances of macros being defined multiple times in several targets. Most of these are just simple duplication in a TargetInfo or OSTargetInfo of things already defined in InitializePredefinedMacros or InitializeStandardPredefinedMacros, but there are a few that aren't: * AArch64 defines a couple of feature macros for armv8.1a that are handled generically by getTargetDefines. * CSKY needs to take care when CPUName and ArchName are the same. * Many os/target combinations result in __ELF__ being defined twice. Instead define __ELF__ just once in InitPreprocessor based on the Triple, which already knows what the object format is based on os and target. These changes shouldn't change the final result of which macros are defined, with the exception of the changes to __ELF__ where if you explicitly specify the object type in the triple then this affects if __ELF__ is defined, e.g. --target=i686-windows-elf results in it being defined where it wasn't before, but this is more accurate as an ELF file is in fact generated. Differential Revision: https://reviews.llvm.org/D150966 | 3 年前 | |
| 2 年前 | ||
[BPF] Add support for may_goto insn (#85358) Alexei added may_goto insn in [1]. The asm syntax for may_goto looks like may_goto <label> The instruction represents a conditional branch but the condition is implicit. Later in bpf kernel verifier, the 'may_goto <label>' insn will be rewritten with an explicit condition. The encoding of 'may_goto' insn is enforced in [2] and is also implemented in this patch. In [3], 'may_goto' insn is encoded with raw bytes. I made the following change --- a/tools/testing/selftests/bpf/bpf_experimental.h +++ b/tools/testing/selftests/bpf/bpf_experimental.h @@ -328,10 +328,7 @@ l_true: \ #define cond_break \ ({ __label__ l_break, l_continue; \ - asm volatile goto("1:.byte 0xe5; \ - .byte 0; \ - .long ((%l[l_break] - 1b - 8) / 8) & 0xffff; \ - .short 0" \ + asm volatile goto("may_goto %l[l_break]" \ :::: l_break); \ goto l_continue; \ l_break: break; and ran the selftest with the latest llvm with this patch. All tests are passed. [1] https://lore.kernel.org/bpf/20240306031929.42666-1-alexei.starovoitov@gmail.com/ [2] https://lore.kernel.org/bpf/20240306031929.42666-2-alexei.starovoitov@gmail.com/ [3] https://lore.kernel.org/bpf/20240306031929.42666-4-alexei.starovoitov@gmail.com/ | 2 年前 | |
| 2 年前 | ||
[clang, SystemZ] Support -munaligned-symbols (#73511) When this option is passed to clang, external (and/or weak) symbols are not assumed to have the minimum ABI alignment normally required. Symbols defined locally that are not weak are however still given the minimum alignment. This is implemented by passing a new parameter to getMinGlobalAlign() named HasNonWeakDef that is used to return the right alignment value. This is needed when external symbols created from a linker script may not get the ABI minimum alignment and must therefore be treated as unaligned by the compiler. | 2 年前 | |
[clang, SystemZ] Support -munaligned-symbols (#73511) When this option is passed to clang, external (and/or weak) symbols are not assumed to have the minimum ABI alignment normally required. Symbols defined locally that are not weak are however still given the minimum alignment. This is implemented by passing a new parameter to getMinGlobalAlign() named HasNonWeakDef that is used to return the right alignment value. This is needed when external symbols created from a linker script may not get the ABI minimum alignment and must therefore be treated as unaligned by the compiler. | 2 年前 | |
Add clang DirectX target support This change adds a stub DirectX target for clang to enable targeting dxil targets. Reviewed By: pete Differential Revision: https://reviews.llvm.org/D122085 | 4 年前 | |
[HLSL] Cleanup TargetInfo handling (#90694) We had some odd places where we set target behaviors. We were setting the long size in target-specific code, but it should be language-based. We were not setting the Half float type semantics correctly, and instead were overriding the query in the AST context. This change it moves existing code to the right places in the Target so that as we continue working on target and language feature they are controlled in the right places. It also fixes a bug where the size of half was computed incorrectly when native half types are not supported. | 2 年前 | |
| 1 年前 | ||
Silence a signed/unsigned comparison mismatch in MSVC; NFC | 1 年前 | |
Move from llvm::makeArrayRef to ArrayRef deduction guides - clang/ part This is a follow-up to https://reviews.llvm.org/D140896, split into several parts as it touches a lot of files. Differential Revision: https://reviews.llvm.org/D141139 | 3 年前 | |
[clang] Return std::string_view from TargetInfo::getClobbers() Change the return type of getClobbers function from const char* to std::string_view. Update the function usages in CodeGen module. The reasoning of these changes is to remove unsafe const char* strings and prevent unnecessary allocations for constructing the std::string in usages of getClobbers() function. Differential Revision: https://reviews.llvm.org/D148799 | 3 年前 | |
| 1 年前 | ||
| 1 年前 | ||
[LoongArch] Support -march=la64v1.0 and -march=la64v1.1 (#100057) The newly added strings la64v1.0 and la64v1.1 in -march are as described in LoongArch toolchains conventions (see [1]). The target-cpu/feature attributes are forwarded to compiler when specifying particular -march parameter. The default cpu loongarch64 is returned when archname is la64v1.0 or la64v1.1. In addition, this commit adds la64v1.0/la64v1.1 to "__loongarch_arch" and adds definition for macro "__loongarch_frecipe". [1]: https://github.com/loongson/la-toolchain-conventions | 1 年前 | |
[LoongArch] Support -march=la64v1.0 and -march=la64v1.1 (#100057) The newly added strings la64v1.0 and la64v1.1 in -march are as described in LoongArch toolchains conventions (see [1]). The target-cpu/feature attributes are forwarded to compiler when specifying particular -march parameter. The default cpu loongarch64 is returned when archname is la64v1.0 or la64v1.1. In addition, this commit adds la64v1.0/la64v1.1 to "__loongarch_arch" and adds definition for macro "__loongarch_frecipe". [1]: https://github.com/loongson/la-toolchain-conventions | 1 年前 | |
[M68k] Change gcc register name from a7 to sp. (#87095) In M68kRegisterInfo.td, register SP is defined with name sp and alternate name a7. Fixes: https://github.com/llvm/llvm-project/issues/78620 | 2 年前 | |
| 2 年前 | ||
[clang] Don't define predefined macros multiple times Fix several instances of macros being defined multiple times in several targets. Most of these are just simple duplication in a TargetInfo or OSTargetInfo of things already defined in InitializePredefinedMacros or InitializeStandardPredefinedMacros, but there are a few that aren't: * AArch64 defines a couple of feature macros for armv8.1a that are handled generically by getTargetDefines. * CSKY needs to take care when CPUName and ArchName are the same. * Many os/target combinations result in __ELF__ being defined twice. Instead define __ELF__ just once in InitPreprocessor based on the Triple, which already knows what the object format is based on os and target. These changes shouldn't change the final result of which macros are defined, with the exception of the changes to __ELF__ where if you explicitly specify the object type in the triple then this affects if __ELF__ is defined, e.g. --target=i686-windows-elf results in it being defined where it wasn't before, but this is more accurate as an ELF file is in fact generated. Differential Revision: https://reviews.llvm.org/D150966 | 3 年前 | |
[clang] Return std::string_view from TargetInfo::getClobbers() Change the return type of getClobbers function from const char* to std::string_view. Update the function usages in CodeGen module. The reasoning of these changes is to remove unsafe const char* strings and prevent unnecessary allocations for constructing the std::string in usages of getClobbers() function. Differential Revision: https://reviews.llvm.org/D148799 | 3 年前 | |
MIPS/Clang: Add more false option pairs into validateTarget (#91968) The option pairs include: -mfpxx -mips1 -msoft-float -mmsa -mmsa -mabi=32 with 32bit pre-R2 CPUs -mfpxx -mmsa -mfp32 -mmsa | 2 年前 | |
MIPS/Clang: handleTargetFeatures, add +fp64 if +msa and no other +-fp (#92728) Commit: d59bc6b5c75384aa0b1e78cc85e17e8acaccebaf Clang/MIPS: Add +fp64 if MSA and no explicit -mfp option (#91949) added +fp64 for clang, while not for clang -cc1. So clang -cc1 -triple=mips -target-feature +msa -S will emit an asm source file without ".module fp=64". | 2 年前 | |
[CUDA][NFC] CudaArch to OffloadArch rename (#97028) Rename CudaArch to OffloadArch to better reflect its content and the use. Apply a similar rename to helpers handling the enum. | 1 年前 | |
[NVPTX] Implement variadic functions using IR lowering (#96015) Summary: This patch implements support for variadic functions for NVPTX targets. The implementation here mainly follows what was done to implement it for AMDGPU in https://github.com/llvm/llvm-project/pull/93362. We change the NVPTX codegen to lower all variadic arguments to functions by-value. This creates a flattened set of arguments that the IR lowering pass converts into a struct with the proper alignment. The behavior of this function was determined by iteratively checking what the NVCC copmiler generates for its output. See examples like https://godbolt.org/z/KavfTGY93. I have noted the main methods that NVIDIA uses to lower variadic functions. 1. All arguments are passed in a pointer to aggregate. 2. The minimum alignment for a plain argument is 4 bytes. 3. Alignment is dictated by the underlying type 4. Structs are flattened and do not have their alignment changed. 5. NVPTX never passes any arguments indirectly, even very large ones. This patch passes the tests in the libc project currently, including support for sprintf. | 1 年前 | |
[clang-cl] Add support for [[msvc::constexpr]] C++11 attribute (#71300) This commit introduces support for the MSVC-specific C++11-style attribute [[msvc::constexpr]], which was introduced in MSVC 14.33. The semantics of this attribute are enabled only under MSVC compatibility (-fms-compatibility-version) 14.33 and higher. Additionally, the default value of _MSC_VER has been raised to 1433. The current implementation lacks support for: - [[msvc::constexpr]] constructors (see #72149); at the time of this implementation, such support would have required an unreasonable number of changes in Clang. - [[msvc::constexpr]] return ::new (constexpr placement new) from non-std namespaces (see #74924). Relevant to: #57696 | 2 年前 | |
[LLVM] [Clang] Backport "Support for Gentoo *t64 triples (64-bit time_t ABIs)" This is a backport of 387b37af1aabf325e9be844361564dfad8d45c75 for 19.x, adjusted to add new Triple::EnvironmentType members at the end to avoid breaking backwards ABI compatibility. Gentoo is planning to introduce a *t64 suffix for triples that will be used by 32-bit platforms that use 64-bit time_t. Add support for parsing and accepting these triples, and while at it make clang automatically enable the necessary glibc feature macros when this suffix is used. | 1 年前 | |
[Basic] Use std::nullopt instead of None (NFC) This patch mechanically replaces None with std::nullopt where the compiler would warn if None were deprecated. The intent is to reduce the amount of manual work required in migrating from Optional to std::optional. This is part of an effort to migrate from llvm::Optional to std::optional: https://discourse.llvm.org/t/deprecating-llvm-optional-x-hasvalue-getvalue-getvalueor/63716 | 3 年前 | |
[clang] Return std::string_view from TargetInfo::getClobbers() Change the return type of getClobbers function from const char* to std::string_view. Update the function usages in CodeGen module. The reasoning of these changes is to remove unsafe const char* strings and prevent unnecessary allocations for constructing the std::string in usages of getClobbers() function. Differential Revision: https://reviews.llvm.org/D148799 | 3 年前 | |
[PowerPC] Add support for -mcpu=pwr11 / -mtune=pwr11 (#99511) This PR adds support for -mcpu=pwr11/power11 and -mtune=pwr11/power11 in clang and llvm. (cherry picked from commit 1df4d866cca51eeab8f012a97cc50957b45971fe) | 1 年前 | |
[PowerPC] Add support for -mcpu=pwr11 / -mtune=pwr11 (#99511) This PR adds support for -mcpu=pwr11/power11 and -mtune=pwr11/power11 in clang and llvm. (cherry picked from commit 1df4d866cca51eeab8f012a97cc50957b45971fe) | 1 年前 | |
[RISCV] Add -m[no-]scalar-strict-align and -m[no-]vector-strict-align. (#95024) | 1 年前 | |
[RISCV] Add -m[no-]scalar-strict-align and -m[no-]vector-strict-align. (#95024) | 1 年前 | |
[clang][SPIR-V] Add support for AMDGCN flavoured SPIRV (#89796) This change seeks to add support for vendor flavoured SPIRV - more specifically, AMDGCN flavoured SPIRV. The aim is to generate SPIRV that carries some extra bits of information that are only usable by AMDGCN targets, forfeiting absolute genericity to obtain greater expressiveness for target features: - AMDGCN inline ASM is allowed/supported, under the assumption that the [SPV_INTEL_inline_assembly](https://github.com/intel/llvm/blob/sycl/sycl/doc/design/spirv-extensions/SPV_INTEL_inline_assembly.asciidoc) extension is enabled/used - AMDGCN target specific builtins are allowed/supported, under the assumption that e.g. the --spirv-allow-unknown-intrinsics option is enabled when using the downstream translator - the featureset matches the union of AMDGCN targets' features - the datalayout string is overspecified to affix both the program address space and the alloca address space, the latter under the assumption that the [SPV_INTEL_function_pointers](https://github.com/intel/llvm/blob/sycl/sycl/doc/design/spirv-extensions/SPV_INTEL_function_pointers.asciidoc) extension is enabled/used, case in which the extant SPIRV datalayout string would lead to pointers to function pointing to the private address space, which would be wrong. Existing AMDGCN tests are extended to cover this new target. It is currently dormant / will require some additional changes, but I thought I'd rather put it up for review to get feedback as early as possible. I will note that an alternative option is to place this under AMDGPU, but that seems slightly less natural, since this is still SPIRV, albeit relaxed in terms of preconditions & constrained in terms of postconditions, and only guaranteed to be usable on AMDGCN targets (it is still possible to obtain pristine portable SPIRV through usage of the flavoured target, though). | 2 年前 | |
[clang][SPIR-V] Add support for AMDGCN flavoured SPIRV (#89796) This change seeks to add support for vendor flavoured SPIRV - more specifically, AMDGCN flavoured SPIRV. The aim is to generate SPIRV that carries some extra bits of information that are only usable by AMDGCN targets, forfeiting absolute genericity to obtain greater expressiveness for target features: - AMDGCN inline ASM is allowed/supported, under the assumption that the [SPV_INTEL_inline_assembly](https://github.com/intel/llvm/blob/sycl/sycl/doc/design/spirv-extensions/SPV_INTEL_inline_assembly.asciidoc) extension is enabled/used - AMDGCN target specific builtins are allowed/supported, under the assumption that e.g. the --spirv-allow-unknown-intrinsics option is enabled when using the downstream translator - the featureset matches the union of AMDGCN targets' features - the datalayout string is overspecified to affix both the program address space and the alloca address space, the latter under the assumption that the [SPV_INTEL_function_pointers](https://github.com/intel/llvm/blob/sycl/sycl/doc/design/spirv-extensions/SPV_INTEL_function_pointers.asciidoc) extension is enabled/used, case in which the extant SPIRV datalayout string would lead to pointers to function pointing to the private address space, which would be wrong. Existing AMDGCN tests are extended to cover this new target. It is currently dormant / will require some additional changes, but I thought I'd rather put it up for review to get feedback as early as possible. I will note that an alternative option is to place this under AMDGPU, but that seems slightly less natural, since this is still SPIRV, albeit relaxed in terms of preconditions & constrained in terms of postconditions, and only guaranteed to be usable on AMDGCN targets (it is still possible to obtain pristine portable SPIRV through usage of the flavoured target, though). | 2 年前 | |
[clang] Consistently use isOSSolaris() While looking over the Solaris GNU ld patch (D85309 <https://reviews.llvm.org/D85309>), I noticed that we weren't using isOSSolaris() consistenly in clang. This patch fixes this. Tested on amd64-pc-solaris2.11. Differential Revision: https://reviews.llvm.org/D159222 | 2 年前 | |
| 2 年前 | ||
[clang, SystemZ] Support -munaligned-symbols (#73511) When this option is passed to clang, external (and/or weak) symbols are not assumed to have the minimum ABI alignment normally required. Symbols defined locally that are not weak are however still given the minimum alignment. This is implemented by passing a new parameter to getMinGlobalAlign() named HasNonWeakDef that is used to return the right alignment value. This is needed when external symbols created from a linker script may not get the ABI minimum alignment and must therefore be treated as unaligned by the compiler. | 2 年前 | |
[clang] Use StringRef::operator== instead of StringRef::equals (NFC) (#91844) I'm planning to remove StringRef::equals in favor of StringRef::operator==. - StringRef::operator==/!= outnumber StringRef::equals by a factor of 24 under clang/ in terms of their usage. - The elimination of StringRef::equals brings StringRef closer to std::string_view, which has operator== but not equals. - S == "foo" is more readable than S.equals("foo"), especially for !Long.Expression.equals("str") vs Long.Expression != "str". | 2 年前 | |
Update the file headers across all of the LLVM projects in the monorepo to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351636 | 7 年前 | |
[clang] Return std::string_view from TargetInfo::getClobbers() Change the return type of getClobbers function from const char* to std::string_view. Update the function usages in CodeGen module. The reasoning of these changes is to remove unsafe const char* strings and prevent unnecessary allocations for constructing the std::string in usages of getClobbers() function. Differential Revision: https://reviews.llvm.org/D148799 | 3 年前 | |
[clang] Don't define predefined macros multiple times Fix several instances of macros being defined multiple times in several targets. Most of these are just simple duplication in a TargetInfo or OSTargetInfo of things already defined in InitializePredefinedMacros or InitializeStandardPredefinedMacros, but there are a few that aren't: * AArch64 defines a couple of feature macros for armv8.1a that are handled generically by getTargetDefines. * CSKY needs to take care when CPUName and ArchName are the same. * Many os/target combinations result in __ELF__ being defined twice. Instead define __ELF__ just once in InitPreprocessor based on the Triple, which already knows what the object format is based on os and target. These changes shouldn't change the final result of which macros are defined, with the exception of the changes to __ELF__ where if you explicitly specify the object type in the triple then this affects if __ELF__ is defined, e.g. --target=i686-windows-elf results in it being defined where it wasn't before, but this is more accurate as an ELF file is in fact generated. Differential Revision: https://reviews.llvm.org/D150966 | 3 年前 | |
[clang] TargetInfo hook for unaligned bitfields (#65742) Promote ARM & AArch64's HasUnaligned to TargetInfo and set for all targets. | 2 年前 | |
[WebAssembly] Re-enable reference types by default (#93261) Now that we are about to upgrade emsdk's default node to v18.20.3 (https://github.com/emscripten-core/emsdk/pull/1387), we can re-enable reference-types by default again. This effectively reverts #90792. | 1 年前 | |
[WebAssembly] Implement prototype f16x8.splat instruction. (#93228) Adds a builtin and intrinsic for the f16x8.splat instruction. Specified at: https://github.com/WebAssembly/half-precision/blob/29a9b9462c9285d4ccc1a5dc39214ddfd1892658/proposals/half-precision/Overview.md Note: the current spec has f16x8.splat as opcode 0x123, but this is incorrect and will be changed to 0x120 soon. | 2 年前 | |
[X86] AMD Zen 5 Initial enablement | 1 年前 | |
[Clang] Remove NetBSD/i386 workaround for FP eval method with older versions (#74025) NetBSD 6.x is long EoL. Make 7.x the minimum and even that is EoL. | 1 年前 | |
[clang] Optimize clang::Builtin::Info density Reorganize clang::Builtin::Info to have them naturally align on 4 bytes boundaries. Instead of storing builtin headers as a straight char pointer, enumerate them and store the enum. It allows to use a small enum instead of a pointer to reference them. On a 64 bit machine, this brings sizeof(clang::Builtin::Info) from 56 down to 48 bytes. On a release build on my Linux 64 bit machine, it shrinks the size of libclang-cpp.so by 193kB. The impact on performance is negligible in terms of instruction count, but the wall time seems better, see https://llvm-compile-time-tracker.com/compare.php?from=b3d8639f3536a4876b511aca9fb7948ff9266cee&to=a89b56423f98b550260a58c41e64aff9e56b76be&stat=task-clock Differential Revision: https://reviews.llvm.org/D142024 | 3 年前 | |
[clang] Return std::string_view from TargetInfo::getClobbers() Change the return type of getClobbers function from const char* to std::string_view. Update the function usages in CodeGen module. The reasoning of these changes is to remove unsafe const char* strings and prevent unnecessary allocations for constructing the std::string in usages of getClobbers() function. Differential Revision: https://reviews.llvm.org/D148799 | 3 年前 |
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