Files
cs420/examples/ir/switch.ir
2020-06-05 00:54:00 +09:00

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fun i32 @main () {
init:
bid: b0
allocations:
%l0:i32:a
%l1:i32:b
block b0:
%b0:i0:unit = store 1:i32 %l0:*i32
%b0:i1:unit = store 0:i32 %l1:*i32
%b0:i2:i32 = load %l0:*i32
switch %b0:i2:i32 default b4() [
0:i32 b2()
1:i32 b3()
]
block b1:
%b1:i0:i32 = load %l1:*i32
%b1:i1:u1 = cmp eq %b1:i0:i32 2:i32
%b1:i2:i32 = typecast %b1:i1:u1 to i32
ret %b1:i2:i32
block b2:
%b2:i0:i32 = load %l1:*i32
%b2:i1:i32 = add %b2:i0:i32 1:i32
%b2:i2:unit = store %b2:i1:i32 %l1:*i32
j b1()
block b3:
%b3:i0:i32 = load %l1:*i32
%b3:i1:i32 = add %b3:i0:i32 2:i32
%b3:i2:unit = store %b3:i1:i32 %l1:*i32
j b1()
block b4:
%b4:i0:i32 = load %l1:*i32
%b4:i1:i32 = add %b4:i0:i32 3:i32
%b4:i2:unit = store %b4:i1:i32 %l1:*i32
j b1()
block b5:
ret 0:i32
}