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Clarify local SSA form.

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Rename 'local' to 'stack_slot'.
This commit is contained in:
Jakob Stoklund Olesen
2016-01-22 12:13:38 -08:00
parent 189fc7dfb7
commit 74eb6ce901
2 changed files with 42 additions and 10 deletions
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10
docs/example.cton
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@@ -1,24 +1,24 @@
function average(i32, i32) -> f32 {
ss1 = local 8, align 4 ; Stack slot for ``sum``.
ss1 = stack_slot 8, align 4 ; Stack slot for ``sum``.
entry ebb1(v1: i32, v2: i32):
v3 = fconst.f64 0.0
stack_store v3, ss1
brz v2, ebb3 ; Handle count == 0.
brz v2, ebb3 ; Handle count == 0.
v4 = iconst.i32 0
br ebb2(v4)
ebb2(v5: i32):
v6 = imul_imm v5, 4
v7 = iadd v1, v6
v8 = heap_load.f32 v7 ; array[i]
v8 = heap_load.f32 v7 ; array[i]
v9 = fext.f64 v8
v10 = stack_load.f64 ss1
v11 = fadd v9, v10
stack_store v11, ss1
v12 = iadd_imm v5, 1
v13 = icmp ult v12, v2
brnz v13, ebb2(v12) ; Loop backedge.
brnz v13, ebb2(v12) ; Loop backedge.
v14 = stack_load.f64 ss1
v15 = cvt_utof.f64 v2
v16 = fdiv v14, v15
@@ -26,6 +26,6 @@ ebb2(v5: i32):
return v17
ebb3:
v100 = fconst.f32 0x7fc00000 ; 0/0 = NaN
v100 = fconst.f32 0x7fc00000 ; 0/0 = NaN
return v100
}