Files
wasmtime/cranelift/filetests/regalloc/aliases.clif
Dan Gohman a20c852148 Support heaps with no offset-guard pages.
Also, say "guard-offset pages" rather than just "guard pages" to describe the
region of a heap which is never accessible and which exists to support
optimizations for heap accesses with offsets.

And, introduce a `Uimm64` immediate type, and make all heap fields use
`Uimm64` instead of `Imm64` since they really are unsigned.
2018-12-11 15:40:24 -05:00

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test regalloc
target x86_64 haswell
function %value_aliases(i32, f32, i64 vmctx) baldrdash {
gv0 = vmctx
heap0 = static gv0, min 0x0001_0000, bound 0x0001_0000_0000, offset_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
}