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llvm_ir_generator: change !{→unconditionally_}dereferenceable.

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Since LLVM 3.8, !dereferenceable is weaker, so we introduce
!unconditionally_dereferenceable (http://reviews.llvm.org/D18738)
to regain its functionality.
This commit is contained in:
whitequark 2016-04-03 10:53:03 +00:00
parent 72b952e850
commit ad83b092fa
1 changed files with 1 additions and 1 deletions
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2
artiq/compiler/transforms/llvm_ir_generator.py
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@ -654,7 +654,7 @@ class LLVMIRGenerator:
assert isinstance(load, ll.LoadInstr) and isinstance(load.type, ll.PointerType)
pointee_size = load.type.pointee.get_abi_size(self.lldatalayout, context=self.llcontext)
metadata = self.llmodule.add_metadata([ll.Constant(lli64, pointee_size)])
load.set_metadata('dereferenceable', metadata)
load.set_metadata('unconditionally_dereferenceable', metadata)
def process_GetLocal(self, insn):
env = insn.environment()