merge main into amd-staging - #4590
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…lvm#224249) Eventually createDataLayout should be removed, so migrate these uses. Co-authored-by: Claude (Claude-Opus-4.8) <noreply@anthropic.com>
Dylib windows implementation. LoadLibraryA and FreeLibrary for library lifetime management. GetProcAddress for symbol lookup in individual libraries. We use a sentinel value to emulate global lookup (address of a local linkage variable). Uses the same reverse ordering as orc-v1.
llvm#225634) Argument lowering matched only AMDGPU_KERNEL, so spir_kernel fell into the normal calling convention path and failed, unlike SelectionDAG
…25656) If an instruction doesn't define or use a vector register it won't take part in the dataflow analysis. Skipping these improves compile time. Measured to reduce geomean −0.379% instructions retired on CTMark w/ a stage2 rva23u64 -O3 Clang build.
Control-flow hoisting handling in LICM was originally introduced for hoisting PNs as part of a delayed phi-to-select conversion effort, whose enabling however was soon reverted due to compile-time regressions and the direction never pursued further. As such, unmaintained code has been removed.
Session::reportError is called in contexts where throwing would be unsafe (e.g. while holding another Error value to return via the stack), so it must not throw.
…ests (llvm#224305) `api/multithreaded` and `api/multiple-debuggers` build a C++ driver against the SB API. Both were skipped on Windows with `"clang-cl does not support throw or catch (llvm.org/pr24538)"`, which is no longer what stops them. Two things do: the drivers fail to compile because `common.h` and `multi-process-driver.cpp` include `<unistd.h>` unconditionally, and once they compile they run on a different CRT than `liblldb.dll`: the gnu-style clang driver links [`libcmt`](https://github.com/llvm/llvm-project/blob/main/clang/lib/Driver/ToolChains/MSVC.cpp) unless `-fms-runtime-lib=` is passed, so the driver gets the static CRT while `liblldb.dll` gets the DLL one. Fixes: - Include `<direct.h>` and `<io.h>` instead of `<unistd.h>` on Windows, and get the working directory with [`_getcwd`](https://learn.microsoft.com/en-us/cpp/c-runtime-library/reference/getcwd-wgetcwd?view=msvc-170). - `get_working_dir` returns a `std::string` now. - `test_stop-hook.cpp` uses `_pipe`/`_fdopen` on Windows, and closes the pipe streams instead of the descriptors they were opened over, write end first so the interpreter's I/O thread sees EOF. - Guard the `<unistd.h>` include in `multi-process-driver.cpp`. - `buildDriver` passes `-fms-runtime-lib=dll` (`dll_dbg` for a Debug build) and drops the `libcmt` the driver adds at the link step. `test_breakpoint_location_callback` stays skipped, for an unrelated reason: `BreakpointCreateByName` with `eFunctionNameTypeFull` resolves no location in a PDB build, while `eFunctionNameTypeAuto` resolves one. Tracked in llvm#224303. rdar://177435499
…lvm#224635) This patch widens selected operands of the product calculation to `size_t`/`uint64_t` to prevent multiplication overflow when a 64-bit data size or offset is being calculated. This fixes a number of issues reported by a CodeQL scan.
…vm#225078) I spotted recently that when attempting to compile a function with an early exit loop we don't emit any remarks when we fail to vectorise due to possible faulting loads. This PR fixes that and other missing remarks, plus I've also added missing tests for some cases where we fail to vectorise early exit loops. For the remarks, I've used debug information to uniquely identify the remark and associate it with a particular function. Tests were assisted by Codex (GPT 5.5)
Adds codegen for the following AMDGCN s_prefetch builtins: - __builtin_amdgcn_s_prefetch_data - __builtin_amdgcn_s_prefetch_inst These are lowered to the corresponding `llvm.amdgcn.s.prefetch` intrinsics. Assisted by: Claude Opus 5 Co-authored-by: Claude Opus 5 <noreply@anthropic.com>
dpalermo
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Sep 23, 2026
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Note CCI merge-inner bisection finished Started 2026-09-23 17:18 UTC. This comment is updated about once an hour. Status
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Warning No culprit found. Bisection did not find a passing inner commit, so it could not isolate a first-bad SHA. CCI merge-inner bisection
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