[pull] main from llvm:main #692
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Found it while looking at other stuffs.
This should fix the buildbot failure reported here: https://lab.llvm.org/buildbot/#/builders/11/builds/27869
…#167684) We've been seeing (rare) crashes from both `CPlusPlusLanguage::SymbolNameFitsToLanguage` and `ObjCLanguage::SymbolNameFitsToLanguage` when we try to read contents of the `ConstString`s of the `Mangled` parameter. I'm not entirely sure how that can happen (current theory is corrupted stack somehow which overwrites `ConstString::m_string` to an invalid pointer) but I'm not able to confirm that. One thing these crashes had in common is that they operate on the `Mangled` object we copied into `SymbolNameFitsToLanguage` by value. While I can't see off the top why that would cause it to contain unintiailized/corrupt `ConstString`s, the class is sufficiently large enough to probably pass it by `const &` anyway. This is what this patch does. rdar://164519648
…StringRef (#167660) We've seen some crashes around this area (particularly around checking/handling raw C-strings). Dealing with `StringRef`s makes it a bit easier to reason about. This doesn't fix anything per se, but is an improvement in readability. rdar://164519648
In the LLVM-C library, there is currently no way to get information about a DbgRecord - which is the new way to attach debug information to llvm instructions. We can only iterate on debug records with LLVMGetFirstDbgRecord/ LLVMGetLastDbgRecord/LLVMGetNextDbgRecord, but there is no way to read information. This PR adds utility functions to read DbgRecord information.
…tor (#163558) This patch applies the same optimization as implemented in #151304 to the overloads taking an allocator as the second argument. Apple M4: ``` Benchmark old new Difference % Difference ----------------------------------------------------------- -------------- -------------- ------------ -------------- std::map<int,_int>::ctor(&&,_different_allocs)/0 14.59 12.78 -1.81 -12.41% std::map<int,_int>::ctor(&&,_different_allocs)/1024 16407.05 6265.11 -10141.94 -61.81% std::map<int,_int>::ctor(&&,_different_allocs)/32 395.99 199.76 -196.23 -49.56% std::map<int,_int>::ctor(&&,_different_allocs)/8192 141478.67 53767.84 -87710.83 -62.00% std::map<int,_int>::ctor(const&,_alloc)/0 12.83 12.71 -0.12 -0.94% std::map<int,_int>::ctor(const&,_alloc)/1024 9979.71 7849.11 -2130.59 -21.35% std::map<int,_int>::ctor(const&,_alloc)/32 283.82 266.05 -17.77 -6.26% std::map<int,_int>::ctor(const&,_alloc)/8192 81418.63 63190.41 -18228.21 -22.39% std::map<std::string,_int>::ctor(&&,_different_allocs)/0 14.58 12.68 -1.90 -13.00% std::map<std::string,_int>::ctor(&&,_different_allocs)/1024 19513.56 7806.04 -11707.52 -60.00% std::map<std::string,_int>::ctor(&&,_different_allocs)/32 477.80 247.28 -230.52 -48.25% std::map<std::string,_int>::ctor(&&,_different_allocs)/8192 504558.78 69592.21 -434966.56 -86.21% std::map<std::string,_int>::ctor(const&,_alloc)/0 12.64 12.60 -0.04 -0.33% std::map<std::string,_int>::ctor(const&,_alloc)/1024 43198.53 37220.54 -5977.99 -13.84% std::map<std::string,_int>::ctor(const&,_alloc)/32 928.39 867.03 -61.36 -6.61% std::map<std::string,_int>::ctor(const&,_alloc)/8192 461313.81 389200.82 -72112.99 -15.63% ```
Handle each event type in a different function
Only the fortran source files in flang/test have been modified. The other files in the directory will be cleaned up in subsequent commits
…149042) Building on top of #148817, introduce a new abstract LastActiveLane opcode that gets lowered to Not(Mask) → FirstActiveLane(NotMask) → Sub(result, 1). When folding the tail, update all extracts for uses outside the loop the extract the value of the last actice lane. See also #148603 PR: #149042
#164671) Make use of AVX512 VPLZCNT/VPOPCNT to perform the big integer bit counts per vector element and then use VPCOMPRESS to extract the first non-zero element result. There's more we can do here (widen/split other vector widths etc.) - but this is a good starting point.
Without this patch, DenseMap::swap and SmallDenseMap::swap are inconsistent because DenseMap::swap increments the epoch while SmallDenseMap::swap does not. This patch solves the inconsistency by making DenseMapBase::swap the public entry point and renaming the existing swap to swapImpl. To ease the review process, this patch does not move or group functions according to access specifiers like private: and protected:.
This commit adds support for legalizing pointer casts between array and vector types within the SPIRV backend. This is necessary to handle cases where a vector is loaded from or stored to an array, which can occur with HLSL matrix types. The following changes are included: - Added to load a vector from an array. - Added to store a vector to an array. - Added the test case to verify the functionality.
In order to have MVE support, the same bits of the CPACR register that enable the floating-point extension must be set.
…tions. (#164682) This change aims to convert vector loads to scalar loads, if they are only converted to scalars after anyway. alive2 proof: https://alive2.llvm.org/ce/z/U_rvht
Fixes minor spelling issues in the shape dialect's passes tablegen file.
As per the wording from 5.2, the COLLAPSE clause applies once to the entire construct. The 6.0 spec has a somewhat similar wording with the same intent. In practice, apply the clause to the innermost leaf constituent that allows it, without requiring it to be the exact innermost leaf.
Added support for conditional operators in the lifetime safety analysis. Added a `VisitConditionalOperator` method to the `FactsGenerator` class to handle the ternary operator (`?:`) in lifetime safety analysis. Fixes #157108
Upstream supporting Load/Store ops for Complex with volatile qualifier
Add a missing description.
#165946) When building LLVM and Clang on Windows with plugin support enabled, some symbols are redundantly exported due to template instantiations and lambda functions. These symbols are not needed in the importing translation units and can be safely removed. In the meantime, the global variables and static data members are needed for correct linking and runtime behavior, so they are added to the export list. Also, the `llvm::<Class>::dump()` and `clang::<Class>::dump()` methods are not needed for linking in importing translation units, because they are only available in debug builds and should be only used for debugging purposes. Therefore, these methods are removed from the export list.
… MapsForPrivatizedSymbolsPass (#167554) The descriptors of a variable that has been privatized should be mapped `tofrom` instead of `to`.
…tTriple().isSPIRV() ` with `targetSupportsBF16Type(MF)` (#167704)
…#152738) This PR adds hardware-measured latencies for all instructions defined in Section 16 of the RVV specification: "Vector Permutation Instructions" to the SpacemiT-X60 scheduling model. --------- Signed-off-by: Mikhail R. Gadelha <[email protected]>
…6668) Including unistd.h does not expose fileno() on Newlib.
Store the list of errors in the ConsstructDecomposition class in addition to the broken up output. This not used in flang yet, because the splitting happens at a time when diagnostic messages can no longer be emitted. Use unit tests to test this instead.
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