Sebastien Bourdeauducq
3994e503bb
Still needs more difficult modifications elsewhere to support this majority of labs using windoze and/or conda garbage.
186 lines
7.6 KiB
Diff
186 lines
7.6 KiB
Diff
diff --git a/llvmlite/ir/builder.py b/llvmlite/ir/builder.py
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index f18a8d8bd..b4958770e 100644
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--- a/llvmlite/ir/builder.py
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+++ b/llvmlite/ir/builder.py
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@@ -872,14 +872,14 @@ def resume(self, landingpad):
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# Call APIs
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def call(self, fn, args, name='', cconv=None, tail=False, fastmath=(),
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- attrs=()):
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+ attrs=(), arg_attrs=None):
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"""
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Call function *fn* with *args*:
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name = fn(args...)
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"""
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inst = instructions.CallInstr(self.block, fn, args, name=name,
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cconv=cconv, tail=tail, fastmath=fastmath,
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- attrs=attrs)
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+ attrs=attrs, arg_attrs=arg_attrs)
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self._insert(inst)
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return inst
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@@ -908,9 +908,11 @@ def store_reg(self, value, reg_type, reg_name, name=''):
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return self.asm(ftype, "", "{%s}" % reg_name, [value], True, name)
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def invoke(self, fn, args, normal_to, unwind_to,
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- name='', cconv=None, tail=False):
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+ name='', cconv=None, fastmath=(), attrs=(), arg_attrs=None):
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inst = instructions.InvokeInstr(self.block, fn, args, normal_to,
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- unwind_to, name=name, cconv=cconv)
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+ unwind_to, name=name, cconv=cconv,
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+ fastmath=fastmath, attrs=attrs,
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+ arg_attrs=arg_attrs)
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self._set_terminator(inst)
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return inst
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diff --git a/llvmlite/ir/instructions.py b/llvmlite/ir/instructions.py
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index 7e82ee032..f337c1586 100644
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--- a/llvmlite/ir/instructions.py
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+++ b/llvmlite/ir/instructions.py
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@@ -5,7 +5,7 @@
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from llvmlite.ir import types
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from llvmlite.ir.values import (Block, Function, Value, NamedValue, Constant,
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MetaDataArgument, MetaDataString, AttributeSet,
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- Undefined)
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+ Undefined, ArgumentAttributes)
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from llvmlite.ir._utils import _HasMetadata
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@@ -63,13 +63,20 @@ class FastMathFlags(AttributeSet):
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class CallInstr(Instruction):
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def __init__(self, parent, func, args, name='', cconv=None, tail=False,
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- fastmath=(), attrs=()):
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+ fastmath=(), attrs=(), arg_attrs=None):
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self.cconv = (func.calling_convention
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if cconv is None and isinstance(func, Function)
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else cconv)
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self.tail = tail
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self.fastmath = FastMathFlags(fastmath)
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self.attributes = CallInstrAttributes(attrs)
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+ self.arg_attributes = {}
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+ if arg_attrs:
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+ for idx, attrs in arg_attrs.items():
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+ if not (0 <= idx < len(args)):
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+ raise ValueError("Invalid argument index {}"
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+ .format(idx))
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+ self.arg_attributes[idx] = ArgumentAttributes(attrs)
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# Fix and validate arguments
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args = list(args)
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@@ -111,8 +118,13 @@ def called_function(self):
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return self.callee
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def _descr(self, buf, add_metadata):
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- args = ', '.join(['{0} {1}'.format(a.type, a.get_reference())
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- for a in self.args])
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+ def descr_arg(i, a):
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+ if i in self.arg_attributes:
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+ attrs = ' '.join(self.arg_attributes[i]._to_list()) + ' '
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+ else:
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+ attrs = ''
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+ return '{0} {1}{2}'.format(a.type, attrs, a.get_reference())
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+ args = ', '.join([descr_arg(i, a) for i, a in enumerate(self.args)])
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fnty = self.callee.function_type
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# Only print function type if variable-argument
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@@ -142,10 +154,12 @@ def descr(self, buf):
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class InvokeInstr(CallInstr):
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def __init__(self, parent, func, args, normal_to, unwind_to, name='',
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- cconv=None):
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+ cconv=None, fastmath=(), attrs=(), arg_attrs=None):
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assert isinstance(normal_to, Block)
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assert isinstance(unwind_to, Block)
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- super(InvokeInstr, self).__init__(parent, func, args, name, cconv)
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+ super(InvokeInstr, self).__init__(parent, func, args, name, cconv,
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+ tail=False, fastmath=fastmath,
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+ attrs=attrs, arg_attrs=arg_attrs)
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self.opname = "invoke"
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self.normal_to = normal_to
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self.unwind_to = unwind_to
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diff --git a/llvmlite/tests/test_ir.py b/llvmlite/tests/test_ir.py
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index e97e528ac..ab5864719 100644
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--- a/llvmlite/tests/test_ir.py
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+++ b/llvmlite/tests/test_ir.py
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@@ -1181,6 +1181,39 @@ def test_call_metadata(self):
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call void @"llvm.dbg.declare"(metadata i32* %"a", metadata !0, metadata !0)
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""") # noqa E501
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+ def test_call_attributes(self):
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+ block = self.block(name='my_block')
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+ builder = ir.IRBuilder(block)
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+ fun_ty = ir.FunctionType(
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+ ir.VoidType(), (int32.as_pointer(), int32, int32.as_pointer()))
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+ fun = ir.Function(builder.function.module, fun_ty, 'fun')
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+ fun.args[0].add_attribute('sret')
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+ retval = builder.alloca(int32, name='retval')
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+ other = builder.alloca(int32, name='other')
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+ builder.call(
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+ fun,
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+ (retval, ir.Constant(int32, 42), other),
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+ arg_attrs={
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+ 0: ('sret', 'noalias'),
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+ 2: 'noalias'
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+ }
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+ )
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+ self.check_block(block, """\
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+ my_block:
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+ %"retval" = alloca i32
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+ %"other" = alloca i32
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+ call void @"fun"(i32* noalias sret %"retval", i32 42, i32* noalias %"other")
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+ """) # noqa E501
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+
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+ def test_invalid_call_attributes(self):
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+ block = self.block()
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+ builder = ir.IRBuilder(block)
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+ fun_ty = ir.FunctionType(ir.VoidType(), ())
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+ fun = ir.Function(builder.function.module, fun_ty, 'fun')
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+ with self.assertRaises(ValueError):
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+ # The function has no arguments, so this should fail.
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+ builder.call(fun, (), arg_attrs={0: 'sret'})
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+
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def test_invoke(self):
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block = self.block(name='my_block')
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builder = ir.IRBuilder(block)
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@@ -1196,6 +1229,39 @@ def test_invoke(self):
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to label %"normal" unwind label %"unwind"
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""")
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+ def test_invoke_attributes(self):
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+ block = self.block(name='my_block')
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+ builder = ir.IRBuilder(block)
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+ fun_ty = ir.FunctionType(
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+ ir.VoidType(), (int32.as_pointer(), int32, int32.as_pointer()))
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+ fun = ir.Function(builder.function.module, fun_ty, 'fun')
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+ fun.calling_convention = "fastcc"
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+ fun.args[0].add_attribute('sret')
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+ retval = builder.alloca(int32, name='retval')
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+ other = builder.alloca(int32, name='other')
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+ bb_normal = builder.function.append_basic_block(name='normal')
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+ bb_unwind = builder.function.append_basic_block(name='unwind')
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+ builder.invoke(
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+ fun,
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+ (retval, ir.Constant(int32, 42), other),
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+ bb_normal,
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+ bb_unwind,
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+ cconv='fastcc',
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+ fastmath='fast',
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+ attrs='noinline',
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+ arg_attrs={
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+ 0: ('sret', 'noalias'),
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+ 2: 'noalias'
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+ }
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+ )
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+ self.check_block(block, """\
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+ my_block:
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+ %"retval" = alloca i32
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+ %"other" = alloca i32
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+ invoke fast fastcc void @"fun"(i32* noalias sret %"retval", i32 42, i32* noalias %"other") noinline
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+ to label %"normal" unwind label %"unwind"
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+ """) # noqa E501
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+
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def test_landingpad(self):
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block = self.block(name='my_block')
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builder = ir.IRBuilder(block)
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