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wasmtime/filetests/isa/riscv/legalize-abi.cton
Jakob Stoklund Olesen e83cccb6fc Fix a bug in analyze_call().
The call arguments on call_indirect should not include the fixed callee
argument.

Add legalizer assertions to verify that signatures are actually valid
after legalization. If not, we would get infinite legalizer loops.
2017-03-17 12:34:03 -07:00

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; Test legalizer's handling of ABI boundaries.
test legalizer
isa riscv
; regex: V=vx?\d+
function int_split_args(i64) -> i64 {
ebb0(v0: i64):
; check: $ebb0($(v0l=$V): i32, $(v0h=$V): i32):
; check: iconcat_lohi $v0l, $v0h
v1 = iadd_imm v0, 1
; check: $(v1l=$V), $(v1h=$V) = isplit_lohi $v1
; check: return $v1l, $v1h
return v1
}
function split_call_arg(i32) {
fn1 = function foo(i64)
fn2 = function foo(i32, i64)
ebb0(v0: i32):
v1 = uextend.i64 v0
call fn1(v1)
; check: $(v1l=$V), $(v1h=$V) = isplit_lohi $v1
; check: call $fn1($v1l, $v1h)
call fn2(v0, v1)
; check: call $fn2($v0, $V, $V)
return
}
function split_ret_val() {
fn1 = function foo() -> i64
ebb0:
v1 = call fn1()
; check: $ebb0:
; nextln: $(v1l=$V), $(v1h=$V) = call $fn1()
; check: $(v1new=$V) = iconcat_lohi $v1l, $v1h
; check: $v1 = copy $v1new
jump ebb1(v1)
; check: jump $ebb1($v1)
ebb1(v10: i64):
jump ebb1(v10)
}
; First return value is fine, second one is expanded.
function split_ret_val2() {
fn1 = function foo() -> i32, i64
ebb0:
v1, v2 = call fn1()
; check: $ebb0:
; nextln: $v1, $(v2l=$V), $(v2h=$V) = call $fn1()
; check: $(v2new=$V) = iconcat_lohi $v2l, $v2h
; check: $v2 -> $v2new
jump ebb1(v1, v2)
; check: jump $ebb1($v1, $v2)
ebb1(v9: i32, v10: i64):
jump ebb1(v9, v10)
}
function int_ext(i8, i8 sext, i8 uext) -> i8 uext {
ebb0(v1: i8, v2: i8, v3: i8):
; check: $ebb0($v1: i8, $(v2x=$V): i32, $(v3x=$V): i32):
; check: ireduce.i8 $v2x
; check: ireduce.i8 $v3x
; check: $(v1x=$V) = uextend.i32 $v1
; check: return $v1x
return v1
}
; Function produces single return value, still need to copy.
function ext_ret_val() {
fn1 = function foo() -> i8 sext
ebb0:
v1 = call fn1()
; check: $ebb0:
; nextln: $(rv=$V) = call $fn1()
; check: $(v1new=$V) = ireduce.i8 $rv
; check: $v1 = copy $v1new
jump ebb1(v1)
; check: jump $ebb1($v1)
ebb1(v10: i8):
jump ebb1(v10)
}
function vector_split_args(i64x4) -> i64x4 {
ebb0(v0: i64x4):
; check: $ebb0($(v0al=$V): i32, $(v0ah=$V): i32, $(v0bl=$V): i32, $(v0bh=$V): i32, $(v0cl=$V): i32, $(v0ch=$V): i32, $(v0dl=$V): i32, $(v0dh=$V): i32):
; check: $(v0a=$V) = iconcat_lohi $v0al, $v0ah
; check: $(v0b=$V) = iconcat_lohi $v0bl, $v0bh
; check: $(v0ab=$V) = vconcat $v0a, $v0b
; check: $(v0c=$V) = iconcat_lohi $v0cl, $v0ch
; check: $(v0d=$V) = iconcat_lohi $v0dl, $v0dh
; check: $(v0cd=$V) = vconcat $v0c, $v0d
; check: $(v0abcd=$V) = vconcat $v0ab, $v0cd
v1 = iadd v0, v0
; check: $(v1ab=$V), $(v1cd=$V) = vsplit
; check: $(v1a=$V), $(v1b=$V) = vsplit $v1ab
; check: $(v1al=$V), $(v1ah=$V) = isplit_lohi $v1a
; check: $(v1bl=$V), $(v1bh=$V) = isplit_lohi $v1b
; check: $(v1c=$V), $(v1d=$V) = vsplit $v1cd
; check: $(v1cl=$V), $(v1ch=$V) = isplit_lohi $v1c
; check: $(v1dl=$V), $(v1dh=$V) = isplit_lohi $v1d
; check: return $v1al, $v1ah, $v1bl, $v1bh, $v1cl, $v1ch, $v1dl, $v1dh
return v1
}
function indirect(i32) {
sig1 = signature()
ebb0(v0: i32):
call_indirect sig1, v0()
return
}
; The first argument to call_indirect doesn't get altered.
function indirect_arg(i32, f32x2) {
sig1 = signature(f32x2)
ebb0(v0: i32, v1: f32x2):
call_indirect sig1, v0(v1)
; check: call_indirect $sig1, $v0($V, $V)
return
}