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wasmtime/cranelift/filetests/isa/riscv/verify-encoding.cton
Jakob Stoklund Olesen b948de1693 Add a verifier pass for CPU flags.
Only one CPU flags value can be live at a time, and some instructions
clobber the flags.
2017-10-18 15:07:19 -07:00

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test verifier
isa riscv
function %RV32I(i32 link [%x1]) -> i32 link [%x1] {
fn0 = function %foo()
ebb0(v9999: i32):
; iconst.i32 needs legalizing, so it should throw a
[R#0,-] v1 = iconst.i32 0xf0f0f0f0f0 ; error: Instruction failed to re-encode
return v9999
}
function %RV32I(i32 link [%x1]) -> i32 link [%x1] {
fn0 = function %foo()
ebb0(v9999: i32):
v1 = iconst.i32 1
v2 = iconst.i32 2
[R#0,-] v3 = iadd v1, v2 ; error: encoding R#00 should be R#0c
return v9999
}