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wasmtime/cranelift/filetests/isa/riscv/expand-i32.clif
2018-07-13 09:15:16 -07:00

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; Test the legalization of i32 instructions that don't have RISC-V versions.
test legalizer
target riscv32 supports_m=1
target riscv64 supports_m=1
; regex: V=v\d+
function %carry_out(i32, i32) -> i32, b1 {
ebb0(v1: i32, v2: i32):
v3, v4 = iadd_cout v1, v2
return v3, v4
}
; check: v3 = iadd v1, v2
; check: v4 = icmp ult v3, v1
; check: return v3, v4
; Expanding illegal immediate constants.
; Note that at some point we'll probably expand the iconst as well.
function %large_imm(i32) -> i32 {
ebb0(v0: i32):
v1 = iadd_imm v0, 1000000000
return v1
}
; check: $(cst=$V) = iconst.i32 0x3b9a_ca00
; check: v1 = iadd v0, $cst
; check: return v1
function %bitclear(i32, i32) -> i32 {
ebb0(v0: i32, v1: i32):
v2 = band_not v0, v1
; check: iconst.i32 -1
; check: bxor
; check: band
return v2
}