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wasmtime/cranelift/filetests/postopt/fold_offset_into_address.clif
Dan Gohman 54ab1ea533 Optimize load/store with an iadd_imm operand.
Fold the immediate into the load/store offset when possible.
2018-10-19 10:58:55 -07:00

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test postopt
target x86_64
; Fold the immediate of an iadd_imm into an address offset.
function u0:0(i64 vmctx) -> i64 {
ebb0(v0: i64):
v1 = iadd_imm.i64 v0, 16
[RexOp1ldDisp8#808b] v2 = load.i64 notrap aligned v1
[Op1ret#c3] return v2
}
; sameln: function u0:0(i64 vmctx) -> i64 fast {
; nextln: ebb0(v0: i64):
; nextln: v1 = iadd_imm v0, 16
; nextln: [RexOp1ldDisp8#808b] v2 = load.i64 notrap aligned v0+16
; nextln: [Op1ret#c3] return v2
; nextln: }