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wasmtime/filetests/parser/branch.cton
Aleksey Kuznetsov 8b484b1c77 Binary function names (#91)
* Function names should start with %

* Create FunctionName from string

* Implement displaying of FunctionName as %nnnn with fallback to #xxxx

* Run rustfmt and fix FunctionName::with_string in parser

* Implement FunctionName::new as a generic function

* Binary function names should start with #

* Implement NameRepr for function name

* Fix examples in docs to reflect that function names start with %

* Rebase and fix filecheck tests
2017-06-10 10:30:37 -07:00

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; Parsing branches and jumps.
test cat
; Jumps with no arguments. The '()' empty argument list is optional.
function %minimal() {
ebb0:
jump ebb1
ebb1:
jump ebb0()
}
; sameln: function %minimal() {
; nextln: ebb0:
; nextln: jump ebb1
; nextln:
; nextln: ebb1:
; nextln: jump ebb0
; nextln: }
; Jumps with 1 arg.
function %onearg(i32) {
ebb0(v90: i32):
jump ebb1(v90)
ebb1(v91: i32):
jump ebb0(v91)
}
; sameln: function %onearg(i32) {
; nextln: ebb0($v90: i32):
; nextln: jump ebb1($v90)
; nextln:
; nextln: ebb1($v91: i32):
; nextln: jump ebb0($v91)
; nextln: }
; Jumps with 2 args.
function %twoargs(i32, f32) {
ebb0(v90: i32, v91: f32):
jump ebb1(v90, v91)
ebb1(v92: i32, v93: f32):
jump ebb0(v92, v93)
}
; sameln: function %twoargs(i32, f32) {
; nextln: ebb0($v90: i32, $v91: f32):
; nextln: jump ebb1($v90, $v91)
; nextln:
; nextln: ebb1($v92: i32, $v93: f32):
; nextln: jump ebb0($v92, $v93)
; nextln: }
; Branches with no arguments. The '()' empty argument list is optional.
function %minimal(i32) {
ebb0(v90: i32):
brz v90, ebb1
ebb1:
brnz v90, ebb1()
}
; sameln: function %minimal(i32) {
; nextln: ebb0($v90: i32):
; nextln: brz $v90, ebb1
; nextln:
; nextln: ebb1:
; nextln: brnz.i32 $v90, ebb1
; nextln: }
function %twoargs(i32, f32) {
ebb0(v90: i32, v91: f32):
brz v90, ebb1(v90, v91)
ebb1(v92: i32, v93: f32):
brnz v90, ebb0(v92, v93)
}
; sameln: function %twoargs(i32, f32) {
; nextln: ebb0($v90: i32, $v91: f32):
; nextln: brz $v90, ebb1($v90, $v91)
; nextln:
; nextln: ebb1($v92: i32, $v93: f32):
; nextln: brnz.i32 $v90, ebb0($v92, $v93)
; nextln: }
function %jumptable(i32) {
jt200 = jump_table 0, 0
jt2 = jump_table 0, 0, ebb10, ebb40, ebb20, ebb30
ebb10(v3: i32):
br_table v3, jt2
trap
ebb20:
trap
ebb30:
trap
ebb40:
trap
}
; sameln: function %jumptable(i32) {
; nextln: jt0 = jump_table 0
; nextln: jt1 = jump_table 0, 0, ebb0, ebb3, ebb1, ebb2
; nextln:
; nextln: ebb0($v3: i32):
; nextln: br_table $v3, jt1
; nextln: trap
; nextln:
; nextln: ebb1:
; nextln: trap
; nextln:
; nextln: ebb2:
; nextln: trap
; nextln:
; nextln: ebb3:
; nextln: trap
; nextln: }