forked from M-Labs/artiq
compiler: remove DebugInfoEmitter for now
Causes problems with LLVM 9 and not needed at first.
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6629a49e86
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@ -37,93 +37,6 @@ def memoize(generator):
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return result
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return memoized
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class DebugInfoEmitter:
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def __init__(self, llmodule):
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self.llmodule = llmodule
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self.llcompileunit = None
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self.cache = {}
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llident = self.llmodule.add_named_metadata('llvm.ident')
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llident.add(self.emit_metadata(["ARTIQ"]))
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llflags = self.llmodule.add_named_metadata('llvm.module.flags')
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llflags.add(self.emit_metadata([2, "Debug Info Version", 3]))
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llflags.add(self.emit_metadata([2, "Dwarf Version", 4]))
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def emit_metadata(self, operands):
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def map_operand(operand):
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if operand is None:
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return ll.Constant(llmetadata, None)
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elif isinstance(operand, str):
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return ll.MetaDataString(self.llmodule, operand)
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elif isinstance(operand, int):
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return ll.Constant(lli32, operand)
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elif isinstance(operand, (list, tuple)):
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return self.emit_metadata(operand)
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else:
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assert isinstance(operand, ll.NamedValue)
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return operand
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return self.llmodule.add_metadata(list(map(map_operand, operands)))
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def emit_debug_info(self, kind, operands, is_distinct=False):
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return self.llmodule.add_debug_info(kind, operands, is_distinct)
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@memoize
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def emit_file(self, source_buffer):
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source_dir, source_file = os.path.split(source_buffer.name)
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return self.emit_debug_info("DIFile", {
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"filename": source_file,
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"directory": source_dir,
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})
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@memoize
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def emit_compile_unit(self, source_buffer):
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return self.emit_debug_info("DICompileUnit", {
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"language": ll.DIToken("DW_LANG_Python"),
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"file": self.emit_file(source_buffer),
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"producer": "ARTIQ",
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"runtimeVersion": 0,
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"emissionKind": 2, # full=1, lines only=2
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}, is_distinct=True)
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@memoize
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def emit_subroutine_type(self, typ):
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return self.emit_debug_info("DISubroutineType", {
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"types": self.emit_metadata([None])
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})
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@memoize
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def emit_subprogram(self, func, llfunc):
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source_buffer = func.loc.source_buffer
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if self.llcompileunit is None:
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self.llcompileunit = self.emit_compile_unit(source_buffer)
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llcompileunits = self.llmodule.add_named_metadata('llvm.dbg.cu')
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llcompileunits.add(self.llcompileunit)
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display_name = "{}{}".format(func.name, types.TypePrinter().name(func.type))
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return self.emit_debug_info("DISubprogram", {
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"name": func.name,
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"linkageName": llfunc.name,
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"type": self.emit_subroutine_type(func.type),
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"file": self.emit_file(source_buffer),
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"line": func.loc.line(),
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"unit": self.llcompileunit,
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"scope": self.emit_file(source_buffer),
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"scopeLine": func.loc.line(),
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"isLocal": func.is_internal,
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"isDefinition": True,
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"variables": self.emit_metadata([])
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}, is_distinct=True)
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@memoize
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def emit_loc(self, loc, scope):
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return self.emit_debug_info("DILocation", {
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"line": loc.line(),
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"column": loc.column(),
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"scope": scope
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})
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class ABILayoutInfo:
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"""Caches DataLayout size/alignment lookup results.
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@ -170,7 +83,6 @@ class LLVMIRGenerator:
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self.llmap = {}
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self.llobject_map = {}
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self.phis = []
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self.debug_info_emitter = DebugInfoEmitter(self.llmodule)
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self.empty_metadata = self.llmodule.add_metadata([])
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self.tbaa_tree = self.llmodule.add_metadata([
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ll.MetaDataString(self.llmodule, "ARTIQ TBAA")
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@ -659,10 +571,6 @@ class LLVMIRGenerator:
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self.llbuilder = ll.IRBuilder()
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llblock_map = {}
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if not func.is_generated:
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lldisubprogram = self.debug_info_emitter.emit_subprogram(func, self.llfunction)
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self.llfunction.set_metadata('dbg', lldisubprogram)
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# First, map arguments.
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if self.has_sret(func.type):
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llactualargs = self.llfunction.args[1:]
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@ -682,10 +590,6 @@ class LLVMIRGenerator:
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for block in func.basic_blocks:
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self.llbuilder.position_at_end(self.llmap[block])
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for insn in block.instructions:
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if insn.loc is not None and not func.is_generated:
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self.llbuilder.debug_metadata = \
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self.debug_info_emitter.emit_loc(insn.loc, lldisubprogram)
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llinsn = getattr(self, "process_" + type(insn).__name__)(insn)
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assert llinsn is not None
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self.llmap[insn] = llinsn
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