LLVMIRGenerator: fix syscall emission.

2015-08-28 03:03:12 -05:00 · 2015-08-28 03:03:12 -05:00 · 9fd25a1cc4
parent 6a29775bf0
commit 9fd25a1cc4
1 changed files with 7 additions and 4 deletions
--- a/artiq/compiler/transforms/llvm_ir_generator.py
+++ b/artiq/compiler/transforms/llvm_ir_generator.py
@ -793,6 +793,9 @@ class LLVMIRGenerator:

    def _prepare_ffi_call(self, insn):
        llargs    = [self.map(arg) for arg in insn.arguments()]
+        llfunname = insn.target_function().type.name
+        llfun     = self.llmodule.get_global(llfunname)
+        if llfun is None:
            llfunty = ll.FunctionType(self.llty_of_type(insn.type, for_return=True),
                                      [llarg.type for llarg in llargs])
            llfun   = ll.Function(self.llmodule, llfunty,