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llvm_ir_generator: don't mark non-constant attribute loads as invariant. 

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whitequark 2016-03-29 12:54:36 +00:00
parent dc2c19f08f
commit a9489246a4
1 changed files with 2 additions and 1 deletions
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artiq/compiler/transforms/llvm_ir_generator.py
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@ -811,6 +811,7 @@ class LLVMIRGenerator:
llptr = self.llbuilder.gep(obj, [self.llindex(0), self.llindex(index)], llptr = self.llbuilder.gep(obj, [self.llindex(0), self.llindex(index)],
inbounds=True, name="ptr.{}".format(insn.name)) inbounds=True, name="ptr.{}".format(insn.name))
llval = self.llbuilder.load(llptr, name="val.{}".format(insn.name)) llval = self.llbuilder.load(llptr, name="val.{}".format(insn.name))
if types.is_instance(typ) and attr not in typ.constant_attributes:
llval.metadata['invariant.load'] = self.empty_metadata llval.metadata['invariant.load'] = self.empty_metadata
return llval return llval