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compiler: use default triple to determine data_layout for JIT

This commit is contained in:
Sebastien Bourdeauducq 2018-12-02 18:52:13 +08:00
parent d931967e5c
commit 981a77834a
2 changed files with 6 additions and 6 deletions
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4
artiq/compiler/targets.py
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@ -239,6 +239,9 @@ class NativeTarget(Target):
def __init__(self): def __init__(self):
super().__init__() super().__init__()
self.triple = llvm.get_default_triple() self.triple = llvm.get_default_triple()
host_data_layout = str(llvm.targets.Target.from_default_triple().create_target_machine().target_data)
assert host_data_layout[0] in "eE"
self.little_endian = host_data_layout[0] == "e"
class OR1KTarget(Target): class OR1KTarget(Target):
triple = "or1k-linux" triple = "or1k-linux"
@ -246,3 +249,4 @@ class OR1KTarget(Target):
"f64:32:32-v64:32:32-v128:32:32-a0:0:32-n32" "f64:32:32-v64:32:32-v128:32:32-a0:0:32-n32"
features = ["mul", "div", "ffl1", "cmov", "addc"] features = ["mul", "div", "ffl1", "cmov", "addc"]
print_function = "core_log" print_function = "core_log"
little_endian = False

8
artiq/compiler/transforms/llvm_ir_generator.py
View File

@ -150,10 +150,6 @@ class LLVMIRGenerator:
ll.Constant(lli64, 1) ll.Constant(lli64, 1)
]) ])
data_layout = str(self.lldatalayout)
assert data_layout[0] in "eE"
self.little_endian = data_layout[0] == "e"
def needs_sret(self, lltyp, may_be_large=True): def needs_sret(self, lltyp, may_be_large=True):
if isinstance(lltyp, ll.VoidType): if isinstance(lltyp, ll.VoidType):
return False return False
@ -1160,7 +1156,7 @@ class LLVMIRGenerator:
lltime_lo = self.llbuilder.trunc(lltime, lli32) lltime_lo = self.llbuilder.trunc(lltime, lli32)
llnow_hiptr = self.llbuilder.bitcast(self.llbuiltin("now"), lli32.as_pointer()) llnow_hiptr = self.llbuilder.bitcast(self.llbuiltin("now"), lli32.as_pointer())
llnow_loptr = self.llbuilder.gep(llnow_hiptr, [self.llindex(1)]) llnow_loptr = self.llbuilder.gep(llnow_hiptr, [self.llindex(1)])
if self.little_endian: if self.target.little_endian:
lltime_hi, lltime_lo = lltime_lo, lltime_hi lltime_hi, lltime_lo = lltime_lo, lltime_hi
llstore_hi = self.llbuilder.store_atomic(lltime_hi, llnow_hiptr, ordering="seq_cst", align=4) llstore_hi = self.llbuilder.store_atomic(lltime_hi, llnow_hiptr, ordering="seq_cst", align=4)
llstore_lo = self.llbuilder.store_atomic(lltime_lo, llnow_loptr, ordering="seq_cst", align=4) llstore_lo = self.llbuilder.store_atomic(lltime_lo, llnow_loptr, ordering="seq_cst", align=4)
@ -1175,7 +1171,7 @@ class LLVMIRGenerator:
lladjusted_lo = self.llbuilder.trunc(lladjusted, lli32) lladjusted_lo = self.llbuilder.trunc(lladjusted, lli32)
llnow_hiptr = self.llbuilder.bitcast(llnowptr, lli32.as_pointer()) llnow_hiptr = self.llbuilder.bitcast(llnowptr, lli32.as_pointer())
llnow_loptr = self.llbuilder.gep(llnow_hiptr, [self.llindex(1)]) llnow_loptr = self.llbuilder.gep(llnow_hiptr, [self.llindex(1)])
if self.little_endian: if self.target.little_endian:
lladjusted_hi, lladjusted_lo = lladjusted_lo, lladjusted_hi lladjusted_hi, lladjusted_lo = lladjusted_lo, lladjusted_hi
llstore_hi = self.llbuilder.store_atomic(lladjusted_hi, llnow_hiptr, ordering="seq_cst", align=4) llstore_hi = self.llbuilder.store_atomic(lladjusted_hi, llnow_hiptr, ordering="seq_cst", align=4)
llstore_lo = self.llbuilder.store_atomic(lladjusted_lo, llnow_loptr, ordering="seq_cst", align=4) llstore_lo = self.llbuilder.store_atomic(lladjusted_lo, llnow_loptr, ordering="seq_cst", align=4)