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wasmtime/cranelift/docs/example.cton
Dan Gohman 9e4ab7dc86 Rename CallConv::Native to CallConv::SystemV. (#291)
To keep cross-compiling straightforward, Cretonne shouldn't have any
behavior that depends on the host. This renames the "Native" calling
convention to "SystemV", which has a defined meaning for each target,
so that it's clear that the calling convention doesn't change
depending on what host Cretonne is running on.
2018-03-30 12:32:14 -07:00

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test verifier
function %average(i32, i32) -> f32 system_v {
ss1 = explicit_slot 8 ; Stack slot for ``sum``.
ebb1(v1: i32, v2: i32):
v3 = f64const 0x0.0
stack_store v3, ss1
brz v2, ebb3 ; Handle count == 0.
v4 = iconst.i32 0
jump ebb2(v4)
ebb2(v5: i32):
v6 = imul_imm v5, 4
v7 = iadd v1, v6
v8 = load.f32 v7 ; array[i]
v9 = fpromote.f64 v8
v10 = stack_load.f64 ss1
v11 = fadd v9, v10
stack_store v11, ss1
v12 = iadd_imm v5, 1
v13 = icmp ult v12, v2
brnz v13, ebb2(v12) ; Loop backedge.
v14 = stack_load.f64 ss1
v15 = fcvt_from_uint.f64 v2
v16 = fdiv v14, v15
v17 = fdemote.f32 v16
return v17
ebb3:
v100 = f32const +NaN
return v100
}