Tracking Issue: LLVM 22

[alexrp]

• LLVM ERROR: SPARCv8 does not handle f128 in calls; pass indirectly for sparc-* targets #23674
• [PowerPC] Change half to use soft promotion rather than PromoteFloat llvm/llvm-project#152632
• [AVR] Change half to use softPromoteHalfType llvm/llvm-project#152783
• [SPARC] Change half to use soft promotion rather than PromoteFloat llvm/llvm-project#152727
• [WebAssembly] Change half to use soft promotion rather than PromoteFloat llvm/llvm-project#152833
• [llvm-objcopy][libObject] Add RISC-V big-endian support llvm/llvm-project#146913
• Default stack alignment of X86 Hurd to 16 bytes llvm/llvm-project#158454
• [AArch64] Improve host feature detection. llvm/llvm-project#160410
• AMDGPU: Use ELF mangling in data layout llvm/llvm-project#163011
• [PowerPC] Take ABI into account for data layout llvm/llvm-project#149725
• Rename wasm32-wasi to wasm32-wasip1. llvm/llvm-project#165345
• [clang][RISCV] Add big-endian RISC-V target support llvm/llvm-project#165599
• [Mips] Add MipsPat (MipsGPRel tglobaladdr:$in) to select MipsISD::GPRel TargetGlobalAddress llvm/llvm-project#165531

• zig/lib/std/zig/system.zig

  Lines 441 to 444 in feb05a7

  	// https://github.com/llvm/llvm-project/issues/135283
  	if (result.cpu.arch.isMIPS() and result.abi.float() == .soft) {
  	result.cpu.features.addFeature(@intFromEnum(Target.mips.Feature.soft_float));
  	}

• zig/test/llvm_targets.zig

  Lines 355 to 356 in bb79c85

  	// .{ .cpu_arch = .xtensa, .os_tag = .freestanding, .abi = .none },
  	// .{ .cpu_arch = .xtensa, .os_tag = .linux, .abi = .none },

• beb25b0 & 35d2b1e
• f90548e & e7f1624

Previous upgrade: #23176