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wasmtime/cranelift/filetests/regalloc/reload.cton
Jakob Stoklund Olesen 45888ab84e Reload for spilled call return values.
When the return value from a call has been spilled, the reload pass
needs to insert a spill instruction right after the call instruction
which returns its results in registers.
2017-09-29 11:25:38 -07:00

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test regalloc
isa riscv enable_e
; regex: V=v\d+
; Check that we can handle a function return value that got spilled.
function %spill_return() -> i32 {
fn0 = function %foo() -> i32 native
ebb0:
v0 = call fn0()
; check: $(reg=$V) = call $fn0
; check: $v0 = spill $reg
v2 = call fn0()
; check: $v2 = call $fn0
return v0
; check: $(reload=$V) = fill $v0
; check: return $reload
}