Files
wasmtime/filetests/wasm/control.cton
Jakob Stoklund Olesen e8acad5070 Intel encodings for trap.
Use a ud2 instruction which generates an undefined instruction
exception.
2017-07-19 15:01:32 -07:00

51 lines
720 B
Plaintext

; Test basic code generation for control flow WebAssembly instructions.
test compile
set is_64bit=0
isa intel haswell
set is_64bit=1
isa intel haswell
function %br_if(i32) -> i32 {
ebb0(v0: i32):
v1 = iconst.i32 1
brz v0, ebb1(v1)
jump ebb2
ebb1(v2: i32):
return v2
ebb2:
jump ebb1(v0)
}
function %br_if_not(i32) -> i32 {
ebb0(v0: i32):
v1 = iconst.i32 1
brnz v0, ebb1(v0)
jump ebb2
ebb1(v2: i32):
return v2
ebb2:
jump ebb1(v0)
}
function %br_if_fallthrough(i32) -> i32 {
ebb0(v0: i32):
v1 = iconst.i32 1
brz v0, ebb1(v1)
; This jump gets converted to a fallthrough.
jump ebb1(v0)
ebb1(v2: i32):
return v2
}
function %undefined() {
ebb0:
trap
}