4f8e76684f
AsmPrinter always creates a symbol for the end of function if valid debug info is present. However, this breaks SPIR-V target's output, because SPIR-V specification allows label instructions only inside a block, not after the function body (see https://registry.khronos.org/SPIR-V/specs/unified1/SPIRV.html#OpLabel). This PR proposes to disable emission of label instructions after the function body if the target is SPIR-V. This PR is a fix of the https://github.com/llvm/llvm-project/issues/102732 issue.