2026-01-19 13:59:43 +00:00
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~builtin.module() ({
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~func.func() ({
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^entry(%buffer: i32, %lb: index, %ub: index, %step: index):
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; Initial sum set to 0.
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%sum.0 = ~arith.constant() {value = 0.0 : f32} : () -> f32
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; iter_args binds initial values to the loop's region arguments.
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;%sum = "scf.for"(%lb, %ub, %step) -> (f32) {
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~cf.br() [ ^for.entry:(%lb: index, %sum.0: f32) ] : () -> ()
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^for.entry(%iv: index, %sum.iter: f32):
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%t, %x, %z = ~memref.load(%buffer, %iv) : (i32, index) -> (f32, i1, i1)
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%sum.next = ~arith.addf(%sum.iter, %t) : (f32, f32) -> f32
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~cf.br() [ ^for.cond:(%iv: index, %sum.next: f32) ] : () -> ()
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^for.cond(%iv2: index, %sum.next2: f32):
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; Yield current iteration sum to next iteration %sum.iter or to %sum
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; if final iteration.
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%iv.next = ~arith.addi(%iv, %step) : (index, index) -> index
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%stop = ~arith.cmpi(%iv.next, %ub) { predicate = 9 } : (index, index) -> i1
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~cf.br-cond(%stop) [ ^for.end, ^for.entry:(%iv.next: index, %sum.next: f32) ] : (i1) -> ()
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^for.end(%sum: f32):
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~func.return(%sum) : (f32) -> ()
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}) {sym_name = "reduce", function_type = (i32, index, index, index) -> f32 } : () -> ()
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}) : () -> ()
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