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Generate more compact ARTIQ IR for else-less if.

This commit is contained in:
whitequark 2015-07-18 07:49:27 +03:00
parent e96bc3c36c
commit 255ffec483
1 changed files with 11 additions and 6 deletions
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17
artiq/compiler/transforms/ir_generator.py
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@ -238,17 +238,22 @@ class IRGenerator(algorithm.Visitor):
self.current_block = if_true self.current_block = if_true
self.visit(node.body) self.visit(node.body)
if_false = self.add_block() if any(node.orelse):
self.current_block = if_false if_false = self.add_block()
self.visit(node.orelse) self.current_block = if_false
self.visit(node.orelse)
tail = self.add_block() tail = self.add_block()
self.current_block = tail self.current_block = tail
if not if_true.is_terminated(): if not if_true.is_terminated():
if_true.append(ir.Branch(tail)) if_true.append(ir.Branch(tail))
if not if_false.is_terminated():
if_false.append(ir.Branch(tail)) if any(node.orelse):
head.append(ir.BranchIf(cond, if_true, if_false)) if not if_false.is_terminated():
if_false.append(ir.Branch(tail))
head.append(ir.BranchIf(cond, if_true, if_false))
else:
head.append(ir.BranchIf(cond, if_true, tail))
def visit_While(self, node): def visit_While(self, node):
try: try: