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

Oops.
2016-03-29 12:54:36 +00:00 · 2016-03-29 12:54:36 +00:00 · a9489246a4
commit a9489246a4
parent dc2c19f08f
1 changed files with 2 additions and 1 deletions
--- a/artiq/compiler/transforms/llvm_ir_generator.py
+++ b/artiq/compiler/transforms/llvm_ir_generator.py
@ -811,6 +811,7 @@ class LLVMIRGenerator:
                llptr = self.llbuilder.gep(obj, [self.llindex(0), self.llindex(index)],
                                           inbounds=True, name="ptr.{}".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
                return llval