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llvm_ir_generator: handle no-op coercions.

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whitequark 2016-11-21 02:25:27 +00:00
parent eb18466820
commit 7af41bd29c
2 changed files with 6 additions and 0 deletions
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2
artiq/compiler/transforms/llvm_ir_generator.py
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@ -848,6 +848,8 @@ class LLVMIRGenerator:
def process_Coerce(self, insn): def process_Coerce(self, insn):
typ, value_typ = insn.type, insn.value().type typ, value_typ = insn.type, insn.value().type
if typ == value_typ:
return self.map(insn.value())
if builtins.is_int(typ) and builtins.is_float(value_typ): if builtins.is_int(typ) and builtins.is_float(value_typ):
return self.llbuilder.fptosi(self.map(insn.value()), self.llty_of_type(typ), return self.llbuilder.fptosi(self.map(insn.value()), self.llty_of_type(typ),
name=insn.name) name=insn.name)

4
artiq/test/lit/codegen/noop_coercion.py Normal file
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@ -0,0 +1,4 @@
# RUN: %python -m artiq.compiler.testbench.llvmgen %s
def f():
return float(1.0)