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wasmtime/cranelift/filetests/regalloc/aliases.cton
Jakob Stoklund Olesen 5f56f81251 Resolve all value aliases when computing live ranges.
Value aliases are only in the way during register allocation, so make
sure they are all dead as we enter the register allocation passes.
2017-09-29 15:54:06 -07:00

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test compile
set is_64bit
isa intel haswell
function %value_aliases(i32, f32, i64 vmctx) spiderwasm {
gv0 = vmctx
heap0 = static gv0, min 0x0001_0000, bound 0x0001_0000_0000, guard 0x8000_0000
ebb0(v0: i32, v1: f32, v2: i64):
v3 = iconst.i32 0
jump ebb3(v3)
ebb3(v4: i32):
v5 = heap_addr.i64 heap0, v4, 1
v6 = load.f32 v5
v7 -> v1
v8 = fdiv v6, v7
v9 = heap_addr.i64 heap0, v4, 1
store v8, v9
v10 = iconst.i32 4
v11 = iadd v4, v10
v12 -> v0
v13 = icmp ult v11, v12
v14 = bint.i32 v13
brnz v14, ebb3(v11)
jump ebb4
ebb4:
jump ebb2
ebb2:
jump ebb1
ebb1:
return
}