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wasmtime/cranelift/filetests/licm/nested_loops.clif
Dan Gohman 641771ac6a Add encodings to the instructions in LICM's generated preheaders.
When LICM generates a preheader, it needs to add encodings to the
instructions it generates, since it runs after legalization.
2018-11-16 10:27:24 +01:00

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test licm
target riscv32
function %nested_loops(i32) -> i32 {
ebb0(v0: i32):
jump ebb1(v0)
ebb1(v1: i32):
v2 = iconst.i32 1
v3 = iconst.i32 2
v4 = iadd v2, v3
v5 = isub v1, v2
jump ebb2(v5, v5)
ebb2(v10: i32, v11: i32):
brz v11, ebb3(v10)
v12 = iconst.i32 1
v15 = iadd v12, v5
v13 = isub v11, v12
jump ebb2(v10,v13)
ebb3(v20: i32):
brz v20, ebb4(v20)
jump ebb1(v20)
ebb4(v30: i32):
return v30
}
; sameln:function %nested_loops(i32) -> i32 {
; nextln: ebb0(v0: i32):
; nextln: v2 = iconst.i32 1
; nextln: v3 = iconst.i32 2
; nextln: v4 = iadd v2, v3
; nextln: v12 = iconst.i32 1
; nextln: jump ebb1(v0)
; nextln:
; nextln: ebb1(v1: i32):
; nextln: v5 = isub v1, v2
; nextln: v15 = iadd.i32 v12, v5
; nextln: jump ebb2(v5, v5)
; nextln:
; nextln: ebb2(v10: i32, v11: i32):
; nextln: brz v11, ebb3(v10)
; nextln: v13 = isub v11, v12
; nextln: jump ebb2(v10, v13)
; nextln:
; nextln: ebb3(v20: i32):
; nextln: brz v20, ebb4(v20)
; nextln: jump ebb1(v20)
; nextln:
; nextln: ebb4(v30: i32):
; nextln: return v30
; nextln: }